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https://issues.apache.org/jira/browse/HBASE-21061?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16598099#comment-16598099
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Sean Busbey commented on HBASE-21061:
-------------------------------------
javac warning:
{code}
$ cat /tmp/yetus-27066.15542/diff-compile-javac-hbase-server.txt
[WARNING]
/testptch/hbase/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/RpcServer.java:[1713,28]
[InputStreamSlowMultibyteRead] Please also override int read(byte[], int,
int), otherwise multi-byte reads from this input stream are likely to be slow.
{code}
It's unrelated, just not recognized as a dup because of how many lines the
method moved due to the patch. shows up above as one fixed and one new:
{code}
$ diff /tmp/yetus-27066.15542/branch-compile-javac-hbase-server.txt
/tmp/yetus-27066.15542/patch-compile-javac-hbase-server.txt
2c2
< [WARNING]
/testptch/hbase/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/RpcServer.java:[1702,26]
[InputStreamSlowMultibyteRead] Please also override int read(byte[], int,
int), otherwise multi-byte reads from this input stream are likely to be slow.
---
> [WARNING]
> /testptch/hbase/hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/RpcServer.java:[1713,28]
> [InputStreamSlowMultibyteRead] Please also override int read(byte[], int,
> int), otherwise multi-byte reads from this input stream are likely to be slow.
{code}
> fix synchronization of
> org.apache.hadoop.hbase.ipc.RpcServer$Connection.useWrap
> -------------------------------------------------------------------------------
>
> Key: HBASE-21061
> URL: https://issues.apache.org/jira/browse/HBASE-21061
> Project: HBase
> Issue Type: Sub-task
> Components: rpc
> Affects Versions: 1.5.0, 1.3.3, 1.2.7, 1.4.7
> Reporter: Sean Busbey
> Assignee: Sean Busbey
> Priority: Critical
> Attachments: HBASE-21061-branch-1.v0.patch
>
>
> fix findbugs highlighted issue
> {code}
> Inconsistent synchronization of
> org.apache.hadoop.hbase.ipc.RpcServer$Connection.useWrap; locked 75% of time
> Unsynchronized access at RpcServer.java:75% of time Unsynchronized access at
> RpcServer.java
> {code}
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