[
https://issues.apache.org/jira/browse/HBASE-4508?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Bright Fulton updated HBASE-4508:
---------------------------------
Attachment: HBASE-4508.v5.patch
Remove TestHCM.getValidKeyCount() from patch to avoid
ConcurrentModificationException:
testConnectionUniqueness(org.apache.hadoop.hbase.client.TestHCM) Time elapsed:
1.978 sec <<< ERROR!
java.util.ConcurrentModificationException
at
java.util.LinkedHashMap$LinkedHashIterator.nextEntry(LinkedHashMap.java:373)
at java.util.LinkedHashMap$KeyIterator.next(LinkedHashMap.java:384)
at java.util.AbstractCollection.toArray(AbstractCollection.java:124)
at java.util.ArrayList.<init>(ArrayList.java:131)
at
org.apache.hadoop.hbase.client.TestHCM.getValidKeyCount(TestHCM.java:136)
at
org.apache.hadoop.hbase.client.TestHCM.testConnectionUniqueness(TestHCM.java:222)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
Based on revision 1188010.
> Backport HBASE-3777 to 0.90 branch
> ----------------------------------
>
> Key: HBASE-4508
> URL: https://issues.apache.org/jira/browse/HBASE-4508
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Bright Fulton
> Fix For: 0.90.5
>
> Attachments: HBASE-4508.v1.patch, HBASE-4508.v2.patch,
> HBASE-4508.v3.patch, HBASE-4508.v4.git.patch, HBASE-4508.v4.patch,
> HBASE-4508.v5.patch
>
>
> See discussion here:
> http://search-hadoop.com/m/MJBId1aazTR1/backporting+HBASE-3777+to+0.90&subj=backporting+HBASE+3777+to+0+90
> Rocketfuel has been running 0.90.3 with HBASE-3777 since its resolution.
> They have 10 RS nodes , 1 Master and 1 Zookeeper
> Live writes and reads but super heavy on reads. Cache hit is pretty high.
> The qps on one of their data centers is 50K.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators:
https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira
