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From "Jeff Jirsa (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-12776) when memtable flush Statistics thisOffHeap error
Date Wed, 19 Oct 2016 01:19:58 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-12776?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jeff Jirsa updated CASSANDRA-12776:
-----------------------------------
         Assignee: Kurt Greaves
    Fix Version/s: 3.10
                   3.0.10

Thanks for the report and the patch. 

Committed as {{7d3062f2d5386ef3a98fa268a41b1b293f55e43b}}

 

> when memtable flush Statistics thisOffHeap error
> ------------------------------------------------
>
>                 Key: CASSANDRA-12776
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12776
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: 翟玉勇
>            Assignee: Kurt Greaves
>            Priority: Trivial
>              Labels: lhf
>             Fix For: 3.0.10, 3.10
>
>         Attachments: 12776.patch
>
>
> {code}
> if (largest != null)
>             {
>                 float usedOnHeap = Memtable.MEMORY_POOL.onHeap.usedRatio();
>                 float usedOffHeap = Memtable.MEMORY_POOL.offHeap.usedRatio();
>                 float flushingOnHeap = Memtable.MEMORY_POOL.onHeap.reclaimingRatio();
>                 float flushingOffHeap = Memtable.MEMORY_POOL.offHeap.reclaimingRatio();
>                 float thisOnHeap = largest.getAllocator().onHeap().ownershipRatio();
>                 float thisOffHeap = largest.getAllocator().onHeap().ownershipRatio();
>                 logger.info("Flushing largest {} to free up room. Used total: {}, live:
{}, flushing: {}, this: {}",
>                             largest.cfs, ratio(usedOnHeap, usedOffHeap), ratio(liveOnHeap,
liveOffHeap),
>                             ratio(flushingOnHeap, flushingOffHeap), ratio(thisOnHeap,
thisOffHeap));
>                 largest.cfs.switchMemtableIfCurrent(largest);
>             }
> {code}
> Should:
> {code}
> float thisOffHeap = largest.getAllocator().onHeap().ownershipRatio();
> {code}
> Be:
> {{offHeap().ownershipRatio();}}



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