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Posted to commits@accumulo.apache.org by kt...@apache.org on 2018/07/25 13:25:21 UTC

[accumulo-website] branch asf-site updated: Jekyll build from master:8b2982b

This is an automated email from the ASF dual-hosted git repository.

kturner pushed a commit to branch asf-site
in repository https://gitbox.apache.org/repos/asf/accumulo-website.git


The following commit(s) were added to refs/heads/asf-site by this push:
     new 54a667f  Jekyll build from master:8b2982b
54a667f is described below

commit 54a667fd67dd1375037425f781adeddc60c8d28c
Author: Keith Turner <kt...@apache.org>
AuthorDate: Wed Jul 25 09:24:55 2018 -0400

    Jekyll build from master:8b2982b
    
    mention apache/accumulo#467 in 1.9.2 rel notes
---
 feed.xml                          | 12 ++++++++++--
 redirects.json                    |  2 +-
 release/accumulo-1.9.2/index.html |  8 ++++++++
 search_data.json                  |  2 +-
 4 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/feed.xml b/feed.xml
index 83ab880..7e4737f 100644
--- a/feed.xml
+++ b/feed.xml
@@ -6,8 +6,8 @@
 </description>
     <link>https://accumulo.apache.org/</link>
     <atom:link href="https://accumulo.apache.org/feed.xml" rel="self" type="application/rss+xml"/>
-    <pubDate>Thu, 19 Jul 2018 17:34:03 -0400</pubDate>
-    <lastBuildDate>Thu, 19 Jul 2018 17:34:03 -0400</lastBuildDate>
+    <pubDate>Wed, 25 Jul 2018 09:24:49 -0400</pubDate>
+    <lastBuildDate>Wed, 25 Jul 2018 09:24:49 -0400</lastBuildDate>
     <generator>Jekyll v3.7.3</generator>
     
     
@@ -60,6 +60,14 @@ or &lt;code class=&quot;highlighter-rouge&quot;&gt;ConcurrentModificationExcepti
 
 &lt;p&gt;These bugs were fixed in &lt;a href=&quot;https://github.com/apache/accumulo/issues/546&quot;&gt;#546&lt;/a&gt;.&lt;/p&gt;
 
+&lt;h3 id=&quot;caching-of-file-lengths&quot;&gt;Caching of file lengths&lt;/h3&gt;
+
+&lt;p&gt;RFiles stores metadata at the end of file. When opening a rfile Accumulo
+seeks to the end and reads metadata.  To do this seek the file length is needed. 
+Before opening a file its length is requested from the namenode.  This can
+add more load to a busy namenode.  To alleviate this, a small cache of file lengths was
+added in &lt;a href=&quot;https://github.com/apache/accumulo/issues/467&quot;&gt;#467&lt;/a&gt;.&lt;/p&gt;
+
 &lt;h3 id=&quot;monitor-time-unit-bug&quot;&gt;Monitor time unit bug&lt;/h3&gt;
 
 &lt;p&gt;A bug was found in the monitor which displayed time durations (for example,
diff --git a/redirects.json b/redirects.json
index cc2442e..2ec52c0 100644
--- a/redirects.json
+++ b/redirects.json
@@ -1 +1 @@
-{"/release_notes/1.5.1.html":"https://accumulo.apache.org/release/accumulo-1.5.1/","/release_notes/1.6.0.html":"https://accumulo.apache.org/release/accumulo-1.6.0/","/release_notes/1.6.1.html":"https://accumulo.apache.org/release/accumulo-1.6.1/","/release_notes/1.6.2.html":"https://accumulo.apache.org/release/accumulo-1.6.2/","/release_notes/1.7.0.html":"https://accumulo.apache.org/release/accumulo-1.7.0/","/release_notes/1.5.3.html":"https://accumulo.apache.org/release/accumulo-1.5.3/" [...]
\ No newline at end of file
+{"/release_notes/1.5.1.html":"https://accumulo.apache.org/release/accumulo-1.5.1/","/release_notes/1.6.0.html":"https://accumulo.apache.org/release/accumulo-1.6.0/","/release_notes/1.6.1.html":"https://accumulo.apache.org/release/accumulo-1.6.1/","/release_notes/1.6.2.html":"https://accumulo.apache.org/release/accumulo-1.6.2/","/release_notes/1.7.0.html":"https://accumulo.apache.org/release/accumulo-1.7.0/","/release_notes/1.5.3.html":"https://accumulo.apache.org/release/accumulo-1.5.3/" [...]
\ No newline at end of file
diff --git a/release/accumulo-1.9.2/index.html b/release/accumulo-1.9.2/index.html
index 9f5345a..c22166d 100644
--- a/release/accumulo-1.9.2/index.html
+++ b/release/accumulo-1.9.2/index.html
@@ -205,6 +205,14 @@ or <code class="highlighter-rouge">ConcurrentModificationException</code>s.</p>
 
 <p>These bugs were fixed in <a href="https://github.com/apache/accumulo/issues/546">#546</a>.</p>
 
+<h3 id="caching-of-file-lengths">Caching of file lengths</h3>
+
+<p>RFiles stores metadata at the end of file. When opening a rfile Accumulo
+seeks to the end and reads metadata.  To do this seek the file length is needed. 
+Before opening a file its length is requested from the namenode.  This can
+add more load to a busy namenode.  To alleviate this, a small cache of file lengths was
+added in <a href="https://github.com/apache/accumulo/issues/467">#467</a>.</p>
+
 <h3 id="monitor-time-unit-bug">Monitor time unit bug</h3>
 
 <p>A bug was found in the monitor which displayed time durations (for example,
diff --git a/search_data.json b/search_data.json
index 12a83db..588cb58 100644
--- a/search_data.json
+++ b/search_data.json
@@ -241,7 +241,7 @@
   
     "release-accumulo-1-9-2": {
       "title": "Apache Accumulo 1.9.2",
-      "content"	 : "Apache Accumulo 1.9.2 contains fixes for critical write-ahead log bugs.Users of any previous version of 1.8 or 1.9 are encouraged to upgradeimmediately to avoid those issues.  User Manual - In-depth developer and administrator documentation  Javadocs - Accumulo 1.9 API  Examples - Code with corresponding readme files that give step bystep instructions for running example codeNotable ChangesFixes for Critical WAL Bugs (affects versions 1.8.0-1.9.1)Multiple bugs were fi [...]
+      "content"	 : "Apache Accumulo 1.9.2 contains fixes for critical write-ahead log bugs.Users of any previous version of 1.8 or 1.9 are encouraged to upgradeimmediately to avoid those issues.  User Manual - In-depth developer and administrator documentation  Javadocs - Accumulo 1.9 API  Examples - Code with corresponding readme files that give step bystep instructions for running example codeNotable ChangesFixes for Critical WAL Bugs (affects versions 1.8.0-1.9.1)Multiple bugs were fi [...]
       "url": " /release/accumulo-1.9.2/",
       "categories": "release"
     }