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https://issues.apache.org/jira/browse/HBASE-5283?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lars Hofhansl updated HBASE-5283:
---------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
This was committed, marking as fixed.
> Request counters may become negative for heavily loaded regions
> ---------------------------------------------------------------
>
> Key: HBASE-5283
> URL: https://issues.apache.org/jira/browse/HBASE-5283
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.92.0
> Reporter: Zhihong Yu
> Assignee: Mubarak Seyed
> Fix For: 0.94.0
>
> Attachments: 5283.txt, HBASE-5283.trunk.v1.patch
>
>
> Requests counter showing negative count, example under 'Requests' column:
> -645470239
> {code}
> Name Region Server Start Key End Key Requests
> usertable,user2037516127892189021,1326756873774.16833e4566d1daef109b8fdcd1f4b5a6.
> xxx.com:60030 user2037516127892189021 user2296868939942738705
> -645470239
> {code}
> RegionLoad.readRequestsCount and RegionLoad.writeRequestsCount are of int
> type. Our Ops has been running lots of heavy load operation.
> RegionLoad.getRequestsCount() overflows int.MAX_VALUE. It is set to D986E7E1.
> In table.jsp, RegionLoad.getRequestsCount() is assigned to long type.
> D986E7E1 is converted to long FFFFFFFFD986E7E1 which is -645470239 in decimal.
> Suggested fix is to make readRequestsCount and writeRequestsCount long type.
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