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Posted to commits@hawq.apache.org by yo...@apache.org on 2016/10/19 17:28:38 UTC
[1/3] incubator-hawq-docs git commit: add reverse dns lookup failure
error to client troubleshooting table
Repository: incubator-hawq-docs
Updated Branches:
refs/heads/develop 8c10c5509 -> 19c676a70
add reverse dns lookup failure error to client troubleshooting table
Project: http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/commit/0b1597af
Tree: http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/tree/0b1597af
Diff: http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/diff/0b1597af
Branch: refs/heads/develop
Commit: 0b1597af13d3dcc6995464faddf04cd968f0dc62
Parents: a819abd
Author: Lisa Owen <lo...@pivotal.io>
Authored: Mon Oct 10 16:45:20 2016 -0700
Committer: Lisa Owen <lo...@pivotal.io>
Committed: Mon Oct 10 16:45:20 2016 -0700
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clientaccess/g-troubleshooting-connection-problems.html.md.erb | 1 +
1 file changed, 1 insertion(+)
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http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/blob/0b1597af/clientaccess/g-troubleshooting-connection-problems.html.md.erb
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diff --git a/clientaccess/g-troubleshooting-connection-problems.html.md.erb b/clientaccess/g-troubleshooting-connection-problems.html.md.erb
index cceaf0a..2cd6815 100644
--- a/clientaccess/g-troubleshooting-connection-problems.html.md.erb
+++ b/clientaccess/g-troubleshooting-connection-problems.html.md.erb
@@ -10,3 +10,4 @@ A number of things can prevent a client application from successfully connecting
|HAWQ is not running|If the HAWQ master instance is down, users will not be able to connect. You can verify that the HAWQ system is up by running the `hawq state` utility on the HAWQ master host.|
|Network problems<br/><br/>Interconnect timeouts|If users connect to the HAWQ master host from a remote client, network problems can prevent a connection \(for example, DNS host name resolution problems, the host system is down, and so on.\). To ensure that network problems are not the cause, connect to the HAWQ master host from the remote client host. For example: `ping hostname`. <br/><br/>If the system cannot resolve the host names and IP addresses of the hosts involved in HAWQ, queries and connections will fail. For some operations, connections to the HAWQ master use `localhost` and others use the actual host name, so you must be able to resolve both. If you encounter this error, first make sure you can connect to each host in your HAWQ array from the master host over the network. In the `/etc/hosts` file of the master and all segments, make sure you have the correct host names and IP addresses for all hosts involved in the HAWQ array. The `127.0.0.1` IP must resolve to `localho
st`.|
|Too many clients already|By default, HAWQ is configured to allow a maximum of 200 concurrent user connections on the master and 1280 connections on a segment. A connection attempt that causes that limit to be exceeded will be refused. This limit is controlled by the `max_connections` parameter on the master instance and by the `seg_max_connections` parameter on segment instances. If you change this setting for the master, you must also make appropriate changes at the segments.|
+|Query failure|Reverse DNS must be configured in your HAWQ cluster network. In cases where reverse DNS has not been configured, failing queries will generate "Failed to reverse DNS lookup for ip \<ip-address\>" messages to the HAWQ master node log file. |
[2/3] incubator-hawq-docs git commit: identify message as a warning
Posted by yo...@apache.org.
identify message as a warning
Project: http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/commit/621d95d6
Tree: http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/tree/621d95d6
Diff: http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/diff/621d95d6
Branch: refs/heads/develop
Commit: 621d95d6231412661a36472e2d2a1bed3ea55adf
Parents: 0b1597a
Author: Lisa Owen <lo...@pivotal.io>
Authored: Mon Oct 10 16:56:41 2016 -0700
Committer: Lisa Owen <lo...@pivotal.io>
Committed: Mon Oct 10 16:56:41 2016 -0700
----------------------------------------------------------------------
clientaccess/g-troubleshooting-connection-problems.html.md.erb | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/blob/621d95d6/clientaccess/g-troubleshooting-connection-problems.html.md.erb
----------------------------------------------------------------------
diff --git a/clientaccess/g-troubleshooting-connection-problems.html.md.erb b/clientaccess/g-troubleshooting-connection-problems.html.md.erb
index 2cd6815..0328606 100644
--- a/clientaccess/g-troubleshooting-connection-problems.html.md.erb
+++ b/clientaccess/g-troubleshooting-connection-problems.html.md.erb
@@ -10,4 +10,4 @@ A number of things can prevent a client application from successfully connecting
|HAWQ is not running|If the HAWQ master instance is down, users will not be able to connect. You can verify that the HAWQ system is up by running the `hawq state` utility on the HAWQ master host.|
|Network problems<br/><br/>Interconnect timeouts|If users connect to the HAWQ master host from a remote client, network problems can prevent a connection \(for example, DNS host name resolution problems, the host system is down, and so on.\). To ensure that network problems are not the cause, connect to the HAWQ master host from the remote client host. For example: `ping hostname`. <br/><br/>If the system cannot resolve the host names and IP addresses of the hosts involved in HAWQ, queries and connections will fail. For some operations, connections to the HAWQ master use `localhost` and others use the actual host name, so you must be able to resolve both. If you encounter this error, first make sure you can connect to each host in your HAWQ array from the master host over the network. In the `/etc/hosts` file of the master and all segments, make sure you have the correct host names and IP addresses for all hosts involved in the HAWQ array. The `127.0.0.1` IP must resolve to `localho
st`.|
|Too many clients already|By default, HAWQ is configured to allow a maximum of 200 concurrent user connections on the master and 1280 connections on a segment. A connection attempt that causes that limit to be exceeded will be refused. This limit is controlled by the `max_connections` parameter on the master instance and by the `seg_max_connections` parameter on segment instances. If you change this setting for the master, you must also make appropriate changes at the segments.|
-|Query failure|Reverse DNS must be configured in your HAWQ cluster network. In cases where reverse DNS has not been configured, failing queries will generate "Failed to reverse DNS lookup for ip \<ip-address\>" messages to the HAWQ master node log file. |
+|Query failure|Reverse DNS must be configured in your HAWQ cluster network. In cases where reverse DNS has not been configured, failing queries will generate "Failed to reverse DNS lookup for ip \<ip-address\>" warning messages to the HAWQ master node log file. |
[3/3] incubator-hawq-docs git commit: Merge branch
'feature/dnslookup-fail' of https://github.com/lisakowen/incubator-hawq-docs
into develop
Posted by yo...@apache.org.
Merge branch 'feature/dnslookup-fail' of https://github.com/lisakowen/incubator-hawq-docs into develop
Project: http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/commit/19c676a7
Tree: http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/tree/19c676a7
Diff: http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/diff/19c676a7
Branch: refs/heads/develop
Commit: 19c676a7052ab9bed41161618d3c10b456c7964d
Parents: 8c10c55 621d95d
Author: David Yozie <yo...@apache.org>
Authored: Wed Oct 19 10:28:31 2016 -0700
Committer: David Yozie <yo...@apache.org>
Committed: Wed Oct 19 10:28:31 2016 -0700
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clientaccess/g-troubleshooting-connection-problems.html.md.erb | 1 +
1 file changed, 1 insertion(+)
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