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https://issues.apache.org/jira/browse/TEZ-1526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15922730#comment-15922730
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Jonathan Eagles commented on TEZ-1526:
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[~rajesh.balamohan], the FastNumberFormat shows a big performance benefit in
TEZ-1526 as discussed in TEZ-3650.
> 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, hamlet.txt, TEZ-1526.3.patch,
> TEZ-1526.4.patch, TEZ-1526.5.patch, TEZ-1526.6.patch, TEZ-1526.7.patch,
> TEZ-1526.8.patch, TEZ-1526.memory.test.patch, TEZ-1526-v1.patch,
> TEZ-1526-v2.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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