[jira] [Commented] (TEZ-1526) LoadingCache for TezTaskID slow for large jobs

["TezQA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TEZ-1526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15369281#comment-15369281 ] 

TezQA commented on TEZ-1526:
----------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment
  http://issues.apache.org/jira/secure/attachment/12798881/TEZ-1526.5.patch
  against master revision 608e15e.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version 3.0.1) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in .

Test results: https://builds.apache.org/job/PreCommit-TEZ-Build/1842//testReport/
Console output: https://builds.apache.org/job/PreCommit-TEZ-Build/1842//console

This message is automatically generated.

> LoadingCache for TezTaskID slow for large jobs
> ----------------------------------------------
>
>                 Key: TEZ-1526
>                 URL: https://issues.apache.org/jira/browse/TEZ-1526
>             Project: Apache Tez
>          Issue Type: Improvement
>            Reporter: Jonathan Eagles
>            Assignee: Jonathan Eagles
>              Labels: performance
>         Attachments: 100000-TezTaskIDs.patch, TEZ-1526-v1.patch, TEZ-1526-v2.patch, TEZ-1526.3.patch, TEZ-1526.4.patch, TEZ-1526.5.patch
>
>
> Using the LoadingCache with default builder settings. 100,000 TezTaskIDs are created in 10 seconds on my setup. With a LoadingCache initialCapacity of 10,000 they are created in 300 ms. With no LoadingCache, they are created in 10 ms. A test case in attached to illustrate the condition I would like to be sped up.



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