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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4383) SlabCache reports negative heap sizes
Date Tue, 13 Sep 2011 19:11:08 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4383?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13103914#comment-13103914
] 

Todd Lipcon commented on HBASE-4383:
------------------------------------

It's also now reporting negative "occupied":

2011-09-13 12:06:18,183 INFO org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache: For Slab
of size 72089: -11917 occupied, out of a capacity of 226398 blocks. HeapSize is -798.5m bytes.,
churnTime=7mins, 53sec


> SlabCache reports negative heap sizes
> -------------------------------------
>
>                 Key: HBASE-4383
>                 URL: https://issues.apache.org/jira/browse/HBASE-4383
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>    Affects Versions: 0.92.0
>            Reporter: Todd Lipcon
>            Assignee: Li Pi
>             Fix For: 0.92.0
>
>
> 2011-09-13 00:36:17,734 INFO org.apache.hadoop.hbase.io.hfile.slab.SlabCache: Request
Stats
> 2011-09-13 00:36:17,734 INFO org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache: For
Slab of size 72089: 0 occupied, out of a capacity of 226398 blocks. HeapSize is -798.5m bytes.,
churnTime=0sec
> 2011-09-13 00:36:17,734 INFO org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache: For
Slab of size 137625: 0 occupied, out of a capacity of 29647 blocks. HeapSize is -202.1m bytes.,
churnTime=0sec
> 2011-09-13 00:36:17,735 INFO org.apache.hadoop.hbase.io.hfile.slab.SlabCache: Current
heap size is: -1000.7m
> 2011-09-13 00:36:17,735 INFO org.apache.hadoop.hbase.io.hfile.slab.SlabCache: Successfully
Cached Stats
> 2011-09-13 00:36:17,735 INFO org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache: For
Slab of size 72089: 0 occupied, out of a capacity of 226398 blocks. HeapSize is -798.5m bytes.,
churnTime=0sec
> 2011-09-13 00:36:17,735 INFO org.apache.hadoop.hbase.io.hfile.slab.SingleSizeCache: For
Slab of size 137625: 0 occupied, out of a capacity of 29647 blocks. HeapSize is -202.1m bytes.,
churnTime=0sec
> 2011-09-13 00:36:17,735 INFO org.apache.hadoop.hbase.io.hfile.slab.SlabCache: Current
heap size is: -1000.7m

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