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Posted to commits@hawq.apache.org by yo...@apache.org on 2017/02/22 22:15:20 UTC

[25/31] incubator-hawq-site git commit: rebuilt userguide html with latest changes from source release/2.1.0.0-incubating branch

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/1b0cdd8e/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-character-encoding.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-character-encoding.html b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-character-encoding.html
index 1f88e91..78ed458 100644
--- a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-character-encoding.html
+++ b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-character-encoding.html
@@ -170,6 +170,9 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/monitor.html">Monitoring a HAWQ System</a>
           </li>
+          <li>
+            <a href="/docs/userguide/2.1.0.0-incubating/admin/logfiles.html">HAWQ Administrative Log Files</a>
+          </li>
         </ul>
       </li>
       <li class="has_submenu">
@@ -443,6 +446,7 @@
       </li>
       <li class="has_submenu"><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/HAWQBestPracticesOverview.html">Best Practices</a>
         <ul>
+          <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/config_hawq_bestpractices.html">Configuring HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/operating_hawq_bestpractices.html">Operating HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/secure_bestpractices.html">Securing HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/managing_resources_bestpractices.html">Managing Resources</a></li>
@@ -565,11 +569,17 @@
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_filerep_tcp_keepalives_interval">gp_filerep_tcp_keepalives_interval</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_hashjoin_tuples_per_bucket">gp_hashjoin_tuples_per_bucket</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_idf_deduplicate">gp_idf_deduplicate</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_cache_future_packets">gp_interconnect_cache_future_packets</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_default_rtt">gp_interconnect_default_rtt</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_fc_method">gp_interconnect_fc_method</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_hash_multiplier">gp_interconnect_hash_multiplier</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_retries_before_timeout">gp_interconnect_min_retries_before_timeout</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_rto">gp_interconnect_min_rto</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_queue_depth">gp_interconnect_queue_depth</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_setup_timeout">gp_interconnect_setup_timeout</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_snd_queue_depth">gp_interconnect_snd_queue_depth</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_checking_period">gp_interconnect_timer_checking_period</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_period">gp_interconnect_timer_period</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_type">gp_interconnect_type</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_log_format">gp_log_format</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_max_csv_line_length">gp_max_csv_line_length</a></li>
@@ -967,7 +977,26 @@
         <div class="to-top" id="js-to-top">
           <a href="#top" title="back to top"></a>
         </div>
-        <p>Character encoding systems consist of a code that pairs each character from a character set with something else, such as a sequence of numbers or octets, to facilitate data stransmission and storage. HAWQ supports a variety of character sets, including single-byte character sets such as the ISO 8859 series and multiple-byte character sets such as EUC (Extended UNIX Code), UTF-8, and Mule internal code. Clients can use all supported character sets transparently, but a few are not supported for use within the server as a server-side encoding.</p>
+        <!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+<p>Character encoding systems consist of a code that pairs each character from a character set with something else, such as a sequence of numbers or octets, to facilitate data stransmission and storage. HAWQ supports a variety of character sets, including single-byte character sets such as the ISO 8859 series and multiple-byte character sets such as EUC (Extended UNIX Code), UTF-8, and Mule internal code. Clients can use all supported character sets transparently, but a few are not supported for use within the server as a server-side encoding.</p>
 
 <p>Data files must be in a character encoding recognized by HAWQ. Data files that contain invalid or unsupported encoding sequences encounter errors when loading into HAWQ.</p>
 

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/1b0cdd8e/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-command-based-web-external-tables.html
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diff --git a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-command-based-web-external-tables.html b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-command-based-web-external-tables.html
index 16ceca8..2abd8c7 100644
--- a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-command-based-web-external-tables.html
+++ b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-command-based-web-external-tables.html
@@ -170,6 +170,9 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/monitor.html">Monitoring a HAWQ System</a>
           </li>
+          <li>
+            <a href="/docs/userguide/2.1.0.0-incubating/admin/logfiles.html">HAWQ Administrative Log Files</a>
+          </li>
         </ul>
       </li>
       <li class="has_submenu">
@@ -443,6 +446,7 @@
       </li>
       <li class="has_submenu"><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/HAWQBestPracticesOverview.html">Best Practices</a>
         <ul>
+          <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/config_hawq_bestpractices.html">Configuring HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/operating_hawq_bestpractices.html">Operating HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/secure_bestpractices.html">Securing HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/managing_resources_bestpractices.html">Managing Resources</a></li>
@@ -565,11 +569,17 @@
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_filerep_tcp_keepalives_interval">gp_filerep_tcp_keepalives_interval</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_hashjoin_tuples_per_bucket">gp_hashjoin_tuples_per_bucket</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_idf_deduplicate">gp_idf_deduplicate</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_cache_future_packets">gp_interconnect_cache_future_packets</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_default_rtt">gp_interconnect_default_rtt</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_fc_method">gp_interconnect_fc_method</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_hash_multiplier">gp_interconnect_hash_multiplier</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_retries_before_timeout">gp_interconnect_min_retries_before_timeout</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_rto">gp_interconnect_min_rto</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_queue_depth">gp_interconnect_queue_depth</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_setup_timeout">gp_interconnect_setup_timeout</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_snd_queue_depth">gp_interconnect_snd_queue_depth</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_checking_period">gp_interconnect_timer_checking_period</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_period">gp_interconnect_timer_period</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_type">gp_interconnect_type</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_log_format">gp_log_format</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_max_csv_line_length">gp_max_csv_line_length</a></li>
@@ -967,7 +977,26 @@
         <div class="to-top" id="js-to-top">
           <a href="#top" title="back to top"></a>
         </div>
-        <p>The output of a shell command or script defines command-based web table data. Specify the command in the <code>EXECUTE</code> clause of <code>CREATE EXTERNAL WEB                 TABLE</code>. The data is current as of the time the command runs. The <code>EXECUTE</code> clause runs the shell command or script on the specified master or virtual segments. The virtual segments run the command in parallel. Scripts must be executable by the gpadmin user and reside in the same location on the master or the hosts of virtual segments.</p>
+        <!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+<p>The output of a shell command or script defines command-based web table data. Specify the command in the <code>EXECUTE</code> clause of <code>CREATE EXTERNAL WEB                 TABLE</code>. The data is current as of the time the command runs. The <code>EXECUTE</code> clause runs the shell command or script on the specified master or virtual segments. The virtual segments run the command in parallel. Scripts must be executable by the gpadmin user and reside in the same location on the master or the hosts of virtual segments.</p>
 
 <p>The command that you specify in the external table definition executes from the database and cannot access environment variables from <code>.bashrc</code> or <code>.profile</code>. Set environment variables in the <code>EXECUTE</code> clause. The following external web table, for example, runs a command on the HAWQ master host:</p>
 <pre class="highlight sql"><code><span class="k">CREATE</span> <span class="k">EXTERNAL</span> <span class="n">WEB</span> <span class="k">TABLE</span> <span class="k">output</span> <span class="p">(</span><span class="k">output</span> <span class="n">text</span><span class="p">)</span>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/1b0cdd8e/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-configuration-file-format.html
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diff --git a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-configuration-file-format.html b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-configuration-file-format.html
index aa99577..8d1c175 100644
--- a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-configuration-file-format.html
+++ b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-configuration-file-format.html
@@ -170,6 +170,9 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/monitor.html">Monitoring a HAWQ System</a>
           </li>
+          <li>
+            <a href="/docs/userguide/2.1.0.0-incubating/admin/logfiles.html">HAWQ Administrative Log Files</a>
+          </li>
         </ul>
       </li>
       <li class="has_submenu">
@@ -443,6 +446,7 @@
       </li>
       <li class="has_submenu"><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/HAWQBestPracticesOverview.html">Best Practices</a>
         <ul>
+          <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/config_hawq_bestpractices.html">Configuring HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/operating_hawq_bestpractices.html">Operating HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/secure_bestpractices.html">Securing HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/managing_resources_bestpractices.html">Managing Resources</a></li>
@@ -565,11 +569,17 @@
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_filerep_tcp_keepalives_interval">gp_filerep_tcp_keepalives_interval</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_hashjoin_tuples_per_bucket">gp_hashjoin_tuples_per_bucket</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_idf_deduplicate">gp_idf_deduplicate</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_cache_future_packets">gp_interconnect_cache_future_packets</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_default_rtt">gp_interconnect_default_rtt</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_fc_method">gp_interconnect_fc_method</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_hash_multiplier">gp_interconnect_hash_multiplier</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_retries_before_timeout">gp_interconnect_min_retries_before_timeout</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_rto">gp_interconnect_min_rto</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_queue_depth">gp_interconnect_queue_depth</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_setup_timeout">gp_interconnect_setup_timeout</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_snd_queue_depth">gp_interconnect_snd_queue_depth</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_checking_period">gp_interconnect_timer_checking_period</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_period">gp_interconnect_timer_period</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_type">gp_interconnect_type</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_log_format">gp_log_format</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_max_csv_line_length">gp_max_csv_line_length</a></li>
@@ -967,7 +977,26 @@
         <div class="to-top" id="js-to-top">
           <a href="#top" title="back to top"></a>
         </div>
-        <p>The <code>gpfdist</code> configuration file uses the YAML 1.1 document format and implements a schema for defining the transformation parameters. The configuration file must be a valid YAML document.</p>
+        <!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+<p>The <code>gpfdist</code> configuration file uses the YAML 1.1 document format and implements a schema for defining the transformation parameters. The configuration file must be a valid YAML document.</p>
 
 <p>The <code>gpfdist</code> program processes the document in order and uses indentation (spaces) to determine the document hierarchy and relationships of the sections to one another. The use of white space is significant. Do not use white space for formatting and do not use tabs.</p>
 

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/1b0cdd8e/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-controlling-segment-parallelism.html
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diff --git a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-controlling-segment-parallelism.html b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-controlling-segment-parallelism.html
index 81db163..0a769e1 100644
--- a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-controlling-segment-parallelism.html
+++ b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-controlling-segment-parallelism.html
@@ -170,6 +170,9 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/monitor.html">Monitoring a HAWQ System</a>
           </li>
+          <li>
+            <a href="/docs/userguide/2.1.0.0-incubating/admin/logfiles.html">HAWQ Administrative Log Files</a>
+          </li>
         </ul>
       </li>
       <li class="has_submenu">
@@ -443,6 +446,7 @@
       </li>
       <li class="has_submenu"><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/HAWQBestPracticesOverview.html">Best Practices</a>
         <ul>
+          <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/config_hawq_bestpractices.html">Configuring HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/operating_hawq_bestpractices.html">Operating HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/secure_bestpractices.html">Securing HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/managing_resources_bestpractices.html">Managing Resources</a></li>
@@ -565,11 +569,17 @@
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_filerep_tcp_keepalives_interval">gp_filerep_tcp_keepalives_interval</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_hashjoin_tuples_per_bucket">gp_hashjoin_tuples_per_bucket</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_idf_deduplicate">gp_idf_deduplicate</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_cache_future_packets">gp_interconnect_cache_future_packets</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_default_rtt">gp_interconnect_default_rtt</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_fc_method">gp_interconnect_fc_method</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_hash_multiplier">gp_interconnect_hash_multiplier</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_retries_before_timeout">gp_interconnect_min_retries_before_timeout</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_rto">gp_interconnect_min_rto</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_queue_depth">gp_interconnect_queue_depth</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_setup_timeout">gp_interconnect_setup_timeout</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_snd_queue_depth">gp_interconnect_snd_queue_depth</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_checking_period">gp_interconnect_timer_checking_period</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_period">gp_interconnect_timer_period</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_type">gp_interconnect_type</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_log_format">gp_log_format</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_max_csv_line_length">gp_max_csv_line_length</a></li>
@@ -967,7 +977,26 @@
         <div class="to-top" id="js-to-top">
           <a href="#top" title="back to top"></a>
         </div>
-        <p>The <code>gp_external_max_segs</code> server configuration parameter controls the number of virtual segments that can simultaneously access a single <code>gpfdist</code> instance. The default is 64. You can set the number of segments such that some segments process external data files and some perform other database processing. Set this parameter in the <code>hawq-site.xml</code> file of your master instance.</p>
+        <!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+<p>The <code>gp_external_max_segs</code> server configuration parameter controls the number of virtual segments that can simultaneously access a single <code>gpfdist</code> instance. The default is 64. You can set the number of segments such that some segments process external data files and some perform other database processing. Set this parameter in the <code>hawq-site.xml</code> file of your master instance.</p>
 
 <p>The number of segments in the <code>gpfdist</code> location list specify the minimum number of virtual segments required to serve data to a <code>gpfdist</code> external table.</p>
 

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/1b0cdd8e/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-create-an-error-table-and-declare-a-reject-limit.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-create-an-error-table-and-declare-a-reject-limit.html b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-create-an-error-table-and-declare-a-reject-limit.html
index e1ec870..c63272e 100644
--- a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-create-an-error-table-and-declare-a-reject-limit.html
+++ b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-create-an-error-table-and-declare-a-reject-limit.html
@@ -170,6 +170,9 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/monitor.html">Monitoring a HAWQ System</a>
           </li>
+          <li>
+            <a href="/docs/userguide/2.1.0.0-incubating/admin/logfiles.html">HAWQ Administrative Log Files</a>
+          </li>
         </ul>
       </li>
       <li class="has_submenu">
@@ -443,6 +446,7 @@
       </li>
       <li class="has_submenu"><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/HAWQBestPracticesOverview.html">Best Practices</a>
         <ul>
+          <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/config_hawq_bestpractices.html">Configuring HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/operating_hawq_bestpractices.html">Operating HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/secure_bestpractices.html">Securing HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/managing_resources_bestpractices.html">Managing Resources</a></li>
@@ -565,11 +569,17 @@
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_filerep_tcp_keepalives_interval">gp_filerep_tcp_keepalives_interval</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_hashjoin_tuples_per_bucket">gp_hashjoin_tuples_per_bucket</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_idf_deduplicate">gp_idf_deduplicate</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_cache_future_packets">gp_interconnect_cache_future_packets</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_default_rtt">gp_interconnect_default_rtt</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_fc_method">gp_interconnect_fc_method</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_hash_multiplier">gp_interconnect_hash_multiplier</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_retries_before_timeout">gp_interconnect_min_retries_before_timeout</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_rto">gp_interconnect_min_rto</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_queue_depth">gp_interconnect_queue_depth</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_setup_timeout">gp_interconnect_setup_timeout</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_snd_queue_depth">gp_interconnect_snd_queue_depth</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_checking_period">gp_interconnect_timer_checking_period</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_period">gp_interconnect_timer_period</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_type">gp_interconnect_type</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_log_format">gp_log_format</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_max_csv_line_length">gp_max_csv_line_length</a></li>
@@ -967,7 +977,26 @@
         <div class="to-top" id="js-to-top">
           <a href="#top" title="back to top"></a>
         </div>
-        <p>The following SQL fragment captures formatting errors internally in HAWQ and declares a reject limit of 10 rows.</p>
+        <!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+<p>The following SQL fragment captures formatting errors internally in HAWQ and declares a reject limit of 10 rows.</p>
 <pre class="highlight sql"><code><span class="n">LOG</span> <span class="n">ERRORS</span> <span class="k">INTO</span> <span class="n">errortable</span> <span class="n">SEGMENT</span> <span class="n">REJECT</span> <span class="k">LIMIT</span> <span class="mi">10</span> <span class="k">ROWS</span>
 </code></pre>
 

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/1b0cdd8e/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-creating-and-using-web-external-tables.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-creating-and-using-web-external-tables.html b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-creating-and-using-web-external-tables.html
index a3c1229..9c00a63 100644
--- a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-creating-and-using-web-external-tables.html
+++ b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-creating-and-using-web-external-tables.html
@@ -170,6 +170,9 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/monitor.html">Monitoring a HAWQ System</a>
           </li>
+          <li>
+            <a href="/docs/userguide/2.1.0.0-incubating/admin/logfiles.html">HAWQ Administrative Log Files</a>
+          </li>
         </ul>
       </li>
       <li class="has_submenu">
@@ -443,6 +446,7 @@
       </li>
       <li class="has_submenu"><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/HAWQBestPracticesOverview.html">Best Practices</a>
         <ul>
+          <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/config_hawq_bestpractices.html">Configuring HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/operating_hawq_bestpractices.html">Operating HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/secure_bestpractices.html">Securing HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/managing_resources_bestpractices.html">Managing Resources</a></li>
@@ -565,11 +569,17 @@
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_filerep_tcp_keepalives_interval">gp_filerep_tcp_keepalives_interval</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_hashjoin_tuples_per_bucket">gp_hashjoin_tuples_per_bucket</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_idf_deduplicate">gp_idf_deduplicate</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_cache_future_packets">gp_interconnect_cache_future_packets</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_default_rtt">gp_interconnect_default_rtt</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_fc_method">gp_interconnect_fc_method</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_hash_multiplier">gp_interconnect_hash_multiplier</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_retries_before_timeout">gp_interconnect_min_retries_before_timeout</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_rto">gp_interconnect_min_rto</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_queue_depth">gp_interconnect_queue_depth</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_setup_timeout">gp_interconnect_setup_timeout</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_snd_queue_depth">gp_interconnect_snd_queue_depth</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_checking_period">gp_interconnect_timer_checking_period</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_period">gp_interconnect_timer_period</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_type">gp_interconnect_type</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_log_format">gp_log_format</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_max_csv_line_length">gp_max_csv_line_length</a></li>
@@ -967,7 +977,26 @@
         <div class="to-top" id="js-to-top">
           <a href="#top" title="back to top"></a>
         </div>
-        <p><code>CREATE EXTERNAL WEB TABLE</code> creates a web table definition. Web external tables allow HAWQ to treat dynamic data sources like regular database tables. Because web table data can change as a query runs, the data is not rescannable.</p>
+        <!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+<p><code>CREATE EXTERNAL WEB TABLE</code> creates a web table definition. Web external tables allow HAWQ to treat dynamic data sources like regular database tables. Because web table data can change as a query runs, the data is not rescannable.</p>
 
 <p>You can define command-based or URL-based web external tables. The definition forms are distinct: you cannot mix command-based and URL-based definitions.</p>
 

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/1b0cdd8e/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-define-an-external-table-with-single-row-error-isolation.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-define-an-external-table-with-single-row-error-isolation.html b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-define-an-external-table-with-single-row-error-isolation.html
index b49894e..1f54f61 100644
--- a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-define-an-external-table-with-single-row-error-isolation.html
+++ b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-define-an-external-table-with-single-row-error-isolation.html
@@ -170,6 +170,9 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/monitor.html">Monitoring a HAWQ System</a>
           </li>
+          <li>
+            <a href="/docs/userguide/2.1.0.0-incubating/admin/logfiles.html">HAWQ Administrative Log Files</a>
+          </li>
         </ul>
       </li>
       <li class="has_submenu">
@@ -443,6 +446,7 @@
       </li>
       <li class="has_submenu"><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/HAWQBestPracticesOverview.html">Best Practices</a>
         <ul>
+          <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/config_hawq_bestpractices.html">Configuring HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/operating_hawq_bestpractices.html">Operating HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/secure_bestpractices.html">Securing HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/managing_resources_bestpractices.html">Managing Resources</a></li>
@@ -565,11 +569,17 @@
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_filerep_tcp_keepalives_interval">gp_filerep_tcp_keepalives_interval</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_hashjoin_tuples_per_bucket">gp_hashjoin_tuples_per_bucket</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_idf_deduplicate">gp_idf_deduplicate</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_cache_future_packets">gp_interconnect_cache_future_packets</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_default_rtt">gp_interconnect_default_rtt</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_fc_method">gp_interconnect_fc_method</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_hash_multiplier">gp_interconnect_hash_multiplier</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_retries_before_timeout">gp_interconnect_min_retries_before_timeout</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_rto">gp_interconnect_min_rto</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_queue_depth">gp_interconnect_queue_depth</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_setup_timeout">gp_interconnect_setup_timeout</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_snd_queue_depth">gp_interconnect_snd_queue_depth</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_checking_period">gp_interconnect_timer_checking_period</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_period">gp_interconnect_timer_period</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_type">gp_interconnect_type</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_log_format">gp_log_format</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_max_csv_line_length">gp_max_csv_line_length</a></li>
@@ -967,7 +977,26 @@
         <div class="to-top" id="js-to-top">
           <a href="#top" title="back to top"></a>
         </div>
-        <p>The following example logs errors internally in HAWQ and sets an error threshold of 10 errors.</p>
+        <!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+<p>The following example logs errors internally in HAWQ and sets an error threshold of 10 errors.</p>
 <pre class="highlight sql"><code><span class="o">=#</span> <span class="k">CREATE</span> <span class="k">EXTERNAL</span> <span class="k">TABLE</span> <span class="n">ext_expenses</span> <span class="p">(</span> <span class="n">name</span> <span class="n">text</span><span class="p">,</span> <span class="n">date</span> <span class="n">date</span><span class="p">,</span> <span class="n">amount</span> <span class="n">float4</span><span class="p">,</span> <span class="n">category</span> <span class="n">text</span><span class="p">,</span> <span class="n">desc1</span> <span class="n">text</span> <span class="p">)</span>
    <span class="k">LOCATION</span> <span class="p">(</span><span class="s1">'gpfdist://etlhost-1:8081/*'</span><span class="p">,</span> <span class="s1">'gpfdist://etlhost-2:8082/*'</span><span class="p">)</span>
    <span class="n">FORMAT</span> <span class="s1">'TEXT'</span> <span class="p">(</span><span class="k">DELIMITER</span> <span class="s1">'|'</span><span class="p">)</span>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/1b0cdd8e/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-defining-a-command-based-writable-external-web-table.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-defining-a-command-based-writable-external-web-table.html b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-defining-a-command-based-writable-external-web-table.html
index 78eae45..a99bdbc 100644
--- a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-defining-a-command-based-writable-external-web-table.html
+++ b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-defining-a-command-based-writable-external-web-table.html
@@ -170,6 +170,9 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/monitor.html">Monitoring a HAWQ System</a>
           </li>
+          <li>
+            <a href="/docs/userguide/2.1.0.0-incubating/admin/logfiles.html">HAWQ Administrative Log Files</a>
+          </li>
         </ul>
       </li>
       <li class="has_submenu">
@@ -443,6 +446,7 @@
       </li>
       <li class="has_submenu"><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/HAWQBestPracticesOverview.html">Best Practices</a>
         <ul>
+          <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/config_hawq_bestpractices.html">Configuring HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/operating_hawq_bestpractices.html">Operating HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/secure_bestpractices.html">Securing HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/managing_resources_bestpractices.html">Managing Resources</a></li>
@@ -565,11 +569,17 @@
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_filerep_tcp_keepalives_interval">gp_filerep_tcp_keepalives_interval</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_hashjoin_tuples_per_bucket">gp_hashjoin_tuples_per_bucket</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_idf_deduplicate">gp_idf_deduplicate</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_cache_future_packets">gp_interconnect_cache_future_packets</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_default_rtt">gp_interconnect_default_rtt</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_fc_method">gp_interconnect_fc_method</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_hash_multiplier">gp_interconnect_hash_multiplier</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_retries_before_timeout">gp_interconnect_min_retries_before_timeout</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_rto">gp_interconnect_min_rto</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_queue_depth">gp_interconnect_queue_depth</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_setup_timeout">gp_interconnect_setup_timeout</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_snd_queue_depth">gp_interconnect_snd_queue_depth</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_checking_period">gp_interconnect_timer_checking_period</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_period">gp_interconnect_timer_period</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_type">gp_interconnect_type</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_log_format">gp_log_format</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_max_csv_line_length">gp_max_csv_line_length</a></li>
@@ -967,7 +977,26 @@
         <div class="to-top" id="js-to-top">
           <a href="#top" title="back to top"></a>
         </div>
-        <p>You can define writable external web tables to send output rows to an application or script. The application must accept an input stream, reside in the same location on all of the HAWQ segment hosts, and be executable by the <code>gpadmin</code> user. All segments in the HAWQ system run the application or script, whether or not a segment has output rows to process.</p>
+        <!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+<p>You can define writable external web tables to send output rows to an application or script. The application must accept an input stream, reside in the same location on all of the HAWQ segment hosts, and be executable by the <code>gpadmin</code> user. All segments in the HAWQ system run the application or script, whether or not a segment has output rows to process.</p>
 
 <p>Use <code>CREATE WRITABLE EXTERNAL WEB TABLE</code> to define the external table and specify the application or script to run on the segment hosts. Commands execute from within the database and cannot access environment variables (such as <code>$PATH</code>). Set environment variables in the <code>EXECUTE</code> clause of your writable external table definition. For example:</p>
 <pre class="highlight sql"><code><span class="o">=#</span> <span class="k">CREATE</span> <span class="n">WRITABLE</span> <span class="k">EXTERNAL</span> <span class="n">WEB</span> <span class="k">TABLE</span> <span class="k">output</span> <span class="p">(</span><span class="k">output</span> <span class="n">text</span><span class="p">)</span> 

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/1b0cdd8e/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-defining-a-file-based-writable-external-table.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-defining-a-file-based-writable-external-table.html b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-defining-a-file-based-writable-external-table.html
index dfd2782..b718a46 100644
--- a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-defining-a-file-based-writable-external-table.html
+++ b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-defining-a-file-based-writable-external-table.html
@@ -170,6 +170,9 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/monitor.html">Monitoring a HAWQ System</a>
           </li>
+          <li>
+            <a href="/docs/userguide/2.1.0.0-incubating/admin/logfiles.html">HAWQ Administrative Log Files</a>
+          </li>
         </ul>
       </li>
       <li class="has_submenu">
@@ -443,6 +446,7 @@
       </li>
       <li class="has_submenu"><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/HAWQBestPracticesOverview.html">Best Practices</a>
         <ul>
+          <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/config_hawq_bestpractices.html">Configuring HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/operating_hawq_bestpractices.html">Operating HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/secure_bestpractices.html">Securing HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/managing_resources_bestpractices.html">Managing Resources</a></li>
@@ -565,11 +569,17 @@
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_filerep_tcp_keepalives_interval">gp_filerep_tcp_keepalives_interval</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_hashjoin_tuples_per_bucket">gp_hashjoin_tuples_per_bucket</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_idf_deduplicate">gp_idf_deduplicate</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_cache_future_packets">gp_interconnect_cache_future_packets</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_default_rtt">gp_interconnect_default_rtt</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_fc_method">gp_interconnect_fc_method</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_hash_multiplier">gp_interconnect_hash_multiplier</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_retries_before_timeout">gp_interconnect_min_retries_before_timeout</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_rto">gp_interconnect_min_rto</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_queue_depth">gp_interconnect_queue_depth</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_setup_timeout">gp_interconnect_setup_timeout</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_snd_queue_depth">gp_interconnect_snd_queue_depth</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_checking_period">gp_interconnect_timer_checking_period</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_period">gp_interconnect_timer_period</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_type">gp_interconnect_type</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_log_format">gp_log_format</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_max_csv_line_length">gp_max_csv_line_length</a></li>
@@ -967,7 +977,26 @@
         <div class="to-top" id="js-to-top">
           <a href="#top" title="back to top"></a>
         </div>
-        <p>Writable external tables that output data to files use the HAWQ parallel file server program, <code>gpfdist</code>, or HAWQ Extensions Framework (PXF).</p>
+        <!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+<p>Writable external tables that output data to files use the HAWQ parallel file server program, <code>gpfdist</code>, or HAWQ Extensions Framework (PXF).</p>
 
 <p>Use the <code>CREATE WRITABLE EXTERNAL TABLE</code> command to define the external table and specify the location and format of the output files.</p>
 

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/1b0cdd8e/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-determine-the-transformation-schema.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-determine-the-transformation-schema.html b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-determine-the-transformation-schema.html
index 333c1ea..0f0b512 100644
--- a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-determine-the-transformation-schema.html
+++ b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-determine-the-transformation-schema.html
@@ -170,6 +170,9 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/monitor.html">Monitoring a HAWQ System</a>
           </li>
+          <li>
+            <a href="/docs/userguide/2.1.0.0-incubating/admin/logfiles.html">HAWQ Administrative Log Files</a>
+          </li>
         </ul>
       </li>
       <li class="has_submenu">
@@ -443,6 +446,7 @@
       </li>
       <li class="has_submenu"><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/HAWQBestPracticesOverview.html">Best Practices</a>
         <ul>
+          <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/config_hawq_bestpractices.html">Configuring HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/operating_hawq_bestpractices.html">Operating HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/secure_bestpractices.html">Securing HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/managing_resources_bestpractices.html">Managing Resources</a></li>
@@ -565,11 +569,17 @@
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_filerep_tcp_keepalives_interval">gp_filerep_tcp_keepalives_interval</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_hashjoin_tuples_per_bucket">gp_hashjoin_tuples_per_bucket</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_idf_deduplicate">gp_idf_deduplicate</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_cache_future_packets">gp_interconnect_cache_future_packets</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_default_rtt">gp_interconnect_default_rtt</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_fc_method">gp_interconnect_fc_method</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_hash_multiplier">gp_interconnect_hash_multiplier</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_retries_before_timeout">gp_interconnect_min_retries_before_timeout</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_rto">gp_interconnect_min_rto</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_queue_depth">gp_interconnect_queue_depth</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_setup_timeout">gp_interconnect_setup_timeout</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_snd_queue_depth">gp_interconnect_snd_queue_depth</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_checking_period">gp_interconnect_timer_checking_period</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_period">gp_interconnect_timer_period</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_type">gp_interconnect_type</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_log_format">gp_log_format</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_max_csv_line_length">gp_max_csv_line_length</a></li>
@@ -967,7 +977,26 @@
         <div class="to-top" id="js-to-top">
           <a href="#top" title="back to top"></a>
         </div>
-        <p>To prepare for the transformation project:</p>
+        <!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+<p>To prepare for the transformation project:</p>
 
 <ol>
 <li> <span class="ph">Determine the goal of the project, such as indexing data, analyzing data, combining data, and so on.</span></li>

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/1b0cdd8e/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-disabling-execute-for-web-or-writable-external-tables.html
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diff --git a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-disabling-execute-for-web-or-writable-external-tables.html b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-disabling-execute-for-web-or-writable-external-tables.html
index 21400a2..a03469f 100644
--- a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-disabling-execute-for-web-or-writable-external-tables.html
+++ b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-disabling-execute-for-web-or-writable-external-tables.html
@@ -170,6 +170,9 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/monitor.html">Monitoring a HAWQ System</a>
           </li>
+          <li>
+            <a href="/docs/userguide/2.1.0.0-incubating/admin/logfiles.html">HAWQ Administrative Log Files</a>
+          </li>
         </ul>
       </li>
       <li class="has_submenu">
@@ -443,6 +446,7 @@
       </li>
       <li class="has_submenu"><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/HAWQBestPracticesOverview.html">Best Practices</a>
         <ul>
+          <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/config_hawq_bestpractices.html">Configuring HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/operating_hawq_bestpractices.html">Operating HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/secure_bestpractices.html">Securing HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/managing_resources_bestpractices.html">Managing Resources</a></li>
@@ -565,11 +569,17 @@
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_filerep_tcp_keepalives_interval">gp_filerep_tcp_keepalives_interval</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_hashjoin_tuples_per_bucket">gp_hashjoin_tuples_per_bucket</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_idf_deduplicate">gp_idf_deduplicate</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_cache_future_packets">gp_interconnect_cache_future_packets</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_default_rtt">gp_interconnect_default_rtt</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_fc_method">gp_interconnect_fc_method</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_hash_multiplier">gp_interconnect_hash_multiplier</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_retries_before_timeout">gp_interconnect_min_retries_before_timeout</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_rto">gp_interconnect_min_rto</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_queue_depth">gp_interconnect_queue_depth</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_setup_timeout">gp_interconnect_setup_timeout</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_snd_queue_depth">gp_interconnect_snd_queue_depth</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_checking_period">gp_interconnect_timer_checking_period</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_period">gp_interconnect_timer_period</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_type">gp_interconnect_type</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_log_format">gp_log_format</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_max_csv_line_length">gp_max_csv_line_length</a></li>
@@ -967,7 +977,26 @@
         <div class="to-top" id="js-to-top">
           <a href="#top" title="back to top"></a>
         </div>
-        <p>There is a security risk associated with allowing external tables to execute OS commands or scripts. To disable the use of <code>EXECUTE</code> in web and writable external table definitions, set the <code>gp_external_enable_exec server</code> configuration parameter to off in your master <code>hawq-site.xml</code> file:</p>
+        <!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+<p>There is a security risk associated with allowing external tables to execute OS commands or scripts. To disable the use of <code>EXECUTE</code> in web and writable external table definitions, set the <code>gp_external_enable_exec server</code> configuration parameter to off in your master <code>hawq-site.xml</code> file:</p>
 <pre class="highlight plaintext"><code>gp_external_enable_exec = off
 </code></pre>
 

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/1b0cdd8e/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-escaping-in-csv-formatted-files.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-escaping-in-csv-formatted-files.html b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-escaping-in-csv-formatted-files.html
index 70928bd..8a77b3e 100644
--- a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-escaping-in-csv-formatted-files.html
+++ b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-escaping-in-csv-formatted-files.html
@@ -170,6 +170,9 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/monitor.html">Monitoring a HAWQ System</a>
           </li>
+          <li>
+            <a href="/docs/userguide/2.1.0.0-incubating/admin/logfiles.html">HAWQ Administrative Log Files</a>
+          </li>
         </ul>
       </li>
       <li class="has_submenu">
@@ -443,6 +446,7 @@
       </li>
       <li class="has_submenu"><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/HAWQBestPracticesOverview.html">Best Practices</a>
         <ul>
+          <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/config_hawq_bestpractices.html">Configuring HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/operating_hawq_bestpractices.html">Operating HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/secure_bestpractices.html">Securing HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/managing_resources_bestpractices.html">Managing Resources</a></li>
@@ -565,11 +569,17 @@
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_filerep_tcp_keepalives_interval">gp_filerep_tcp_keepalives_interval</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_hashjoin_tuples_per_bucket">gp_hashjoin_tuples_per_bucket</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_idf_deduplicate">gp_idf_deduplicate</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_cache_future_packets">gp_interconnect_cache_future_packets</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_default_rtt">gp_interconnect_default_rtt</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_fc_method">gp_interconnect_fc_method</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_hash_multiplier">gp_interconnect_hash_multiplier</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_retries_before_timeout">gp_interconnect_min_retries_before_timeout</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_rto">gp_interconnect_min_rto</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_queue_depth">gp_interconnect_queue_depth</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_setup_timeout">gp_interconnect_setup_timeout</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_snd_queue_depth">gp_interconnect_snd_queue_depth</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_checking_period">gp_interconnect_timer_checking_period</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_period">gp_interconnect_timer_period</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_type">gp_interconnect_type</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_log_format">gp_log_format</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_max_csv_line_length">gp_max_csv_line_length</a></li>
@@ -967,7 +977,26 @@
         <div class="to-top" id="js-to-top">
           <a href="#top" title="back to top"></a>
         </div>
-        <p>By default, the escape character is a <code>&quot;</code> (double quote) for CSV-formatted files. If you want to use a different escape character, use the <code>ESCAPE</code> clause of <code>COPY</code>, <code>CREATE EXTERNAL TABLE</code> or the <code>hawq load</code> control file to declare a different escape character. In cases where your selected escape character is present in your data, you can use it to escape itself.</p>
+        <!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+<p>By default, the escape character is a <code>&quot;</code> (double quote) for CSV-formatted files. If you want to use a different escape character, use the <code>ESCAPE</code> clause of <code>COPY</code>, <code>CREATE EXTERNAL TABLE</code> or the <code>hawq load</code> control file to declare a different escape character. In cases where your selected escape character is present in your data, you can use it to escape itself.</p>
 
 <p>For example, suppose you have a table with three columns and you want to load the following three fields:</p>
 

http://git-wip-us.apache.org/repos/asf/incubator-hawq-site/blob/1b0cdd8e/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-escaping-in-text-formatted-files.html
----------------------------------------------------------------------
diff --git a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-escaping-in-text-formatted-files.html b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-escaping-in-text-formatted-files.html
index 9894efe..edaa4a0 100644
--- a/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-escaping-in-text-formatted-files.html
+++ b/docs/userguide/2.1.0.0-incubating/datamgmt/load/g-escaping-in-text-formatted-files.html
@@ -170,6 +170,9 @@
           <li>
             <a href="/docs/userguide/2.1.0.0-incubating/admin/monitor.html">Monitoring a HAWQ System</a>
           </li>
+          <li>
+            <a href="/docs/userguide/2.1.0.0-incubating/admin/logfiles.html">HAWQ Administrative Log Files</a>
+          </li>
         </ul>
       </li>
       <li class="has_submenu">
@@ -443,6 +446,7 @@
       </li>
       <li class="has_submenu"><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/HAWQBestPracticesOverview.html">Best Practices</a>
         <ul>
+          <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/config_hawq_bestpractices.html">Configuring HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/operating_hawq_bestpractices.html">Operating HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/secure_bestpractices.html">Securing HAWQ</a></li>
           <li><a href="/docs/userguide/2.1.0.0-incubating/bestpractices/managing_resources_bestpractices.html">Managing Resources</a></li>
@@ -565,11 +569,17 @@
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_filerep_tcp_keepalives_interval">gp_filerep_tcp_keepalives_interval</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_hashjoin_tuples_per_bucket">gp_hashjoin_tuples_per_bucket</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_idf_deduplicate">gp_idf_deduplicate</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_cache_future_packets">gp_interconnect_cache_future_packets</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_default_rtt">gp_interconnect_default_rtt</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_fc_method">gp_interconnect_fc_method</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_hash_multiplier">gp_interconnect_hash_multiplier</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_retries_before_timeout">gp_interconnect_min_retries_before_timeout</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_min_rto">gp_interconnect_min_rto</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_queue_depth">gp_interconnect_queue_depth</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_setup_timeout">gp_interconnect_setup_timeout</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_snd_queue_depth">gp_interconnect_snd_queue_depth</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_checking_period">gp_interconnect_timer_checking_period</a></li>
+                  <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_timer_period">gp_interconnect_timer_period</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_interconnect_type">gp_interconnect_type</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_log_format">gp_log_format</a></li>
                   <li><a href="/docs/userguide/2.1.0.0-incubating/reference/guc/parameter_definitions.html#gp_max_csv_line_length">gp_max_csv_line_length</a></li>
@@ -967,7 +977,26 @@
         <div class="to-top" id="js-to-top">
           <a href="#top" title="back to top"></a>
         </div>
-        <p>By default, the escape character is a \ (backslash) for text-formatted files. You can declare a different escape character in the <code>ESCAPE</code> clause of <code>COPY</code>, <code>CREATE EXTERNAL TABLE</code>, or the <code>hawq             load</code> control file. If your escape character appears in your data, use it to escape itself.</p>
+        <!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+<p>By default, the escape character is a \ (backslash) for text-formatted files. You can declare a different escape character in the <code>ESCAPE</code> clause of <code>COPY</code>, <code>CREATE EXTERNAL TABLE</code>, or the <code>hawq             load</code> control file. If your escape character appears in your data, use it to escape itself.</p>
 
 <p>For example, suppose you have a table with three columns and you want to load the following three fields:</p>