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https://issues.apache.org/jira/browse/HBASE-12615?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Misty Stanley-Jones updated HBASE-12615:
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Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 2.0.0
Status: Resolved (was: Patch Available)
Verified by Jon. Pushed to master.
> Document GC conserving guidelines for contributors
> --------------------------------------------------
>
> Key: HBASE-12615
> URL: https://issues.apache.org/jira/browse/HBASE-12615
> Project: HBase
> Issue Type: Bug
> Components: documentation
> Reporter: Andrew Purtell
> Assignee: Misty Stanley-Jones
> Fix For: 2.0.0
>
> Attachments: HBASE-12615.patch
>
>
> LinkedIn put up a blog post with a nice concise list of GC conserving
> techniques we should document for contributors. Additionally, when we're at a
> point our build supports custom error-prone plugins, we can develop warnings
> for some of them.
> Source:
> http://engineering.linkedin.com/performance/linkedin-feed-faster-less-jvm-garbage
> - Be careful with Iterators
> - Estimate the size of a collection when initializing
> - Defer expression evaluation
> - Compile the regex patterns in advance
> - Cache it if you can
> - String Interns are useful but dangerous
> All good advice and practice that I know we aim for.
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