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https://issues.apache.org/jira/browse/HBASE-20932?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16556894#comment-16556894
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Hudson commented on HBASE-20932:
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Results for branch branch-2
[build #1027 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/1027/]:
(x) *{color:red}-1 overall{color}*
----
details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/1027//General_Nightly_Build_Report/]
(/) {color:green}+1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/1027//JDK8_Nightly_Build_Report_(Hadoop2)/]
(x) {color:red}-1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://builds.apache.org/job/HBase%20Nightly/job/branch-2/1027//JDK8_Nightly_Build_Report_(Hadoop3)/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> Effective MemStoreSize::hashCode()
> -----------------------------------
>
> Key: HBASE-20932
> URL: https://issues.apache.org/jira/browse/HBASE-20932
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.0.2
> Reporter: Mingliang Liu
> Assignee: Mingliang Liu
> Priority: Major
> Fix For: 2.2.0
>
> Attachments: HBASE-20932.001.patch, HBASE-20932.002.patch
>
>
> After HBASE-20411 we have
> {code:java|title=MemStoreSize::hashCode()}
> @Override
> public int hashCode() {
> long h = 31 * this.dataSize;
> h = h + 31 * this.heapSize;
> h = h + 31 * this.offHeapSize;
> return (int) h;
> }
> {code}
> This is not effective {{hashCode()}} implementation. Instead we can use:
> {code:java|title=MemStoreSize::hashCode()}
> @Override
> public int hashCode() {
> long h = this.dataSize;
> h = h * 31 + this.heapSize;
> h = h * 31 + this.offHeapSize;
> return (int) h;
> }
> {code}
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