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HBase >> mail # user >> HConnectionManager$HConnectionImplementation.locateRegionInMeta


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Re: HConnectionManager$HConnectionImplementation.locateRegionInMeta
HBASE-8346 was integrated 3 weeks ago.

Let's open new JIRA for backport, if Lars thinks it is Okay.

Cheers

On Wed, May 29, 2013 at 9:16 PM, Anoop John <[EMAIL PROTECTED]> wrote:

> Can you have a look at issue HBASE-8476?  Seems related?  A fix is
> available in HBASE-8346's patch..
>
> -Anoop-
>
> On Thu, May 30, 2013 at 9:21 AM, Kireet <[EMAIL PROTECTED]> wrote:
>
> > We are running hbase 0.94.6 in a concurrent environment and we are seeing
> > the majority of our code stuck in this method at the synchronized block
> > (line 997). Is there some configuration we can change to avoid it? It
> seems
> > like we could disable prefetching, but that sounds like it could cause
> > other problems?
> >
> >  - org.apache.hadoop.hbase.**client.HConnectionManager$**
> > HConnectionImplementation.**locateRegionInMeta(byte[], byte[], byte[],
> > boolean, java.lang.Object, boolean) @bci=149, line=997 (Compiled frame)
> >  - org.apache.hadoop.hbase.**client.HConnectionManager$**
> > HConnectionImplementation.**locateRegion(byte[], byte[], boolean,
> > boolean) @bci=212, line=889 (Compiled frame)
> >  - org.apache.hadoop.hbase.**client.HConnectionManager$**
> > HConnectionImplementation.**locateRegion(byte[], byte[]) @bci=5, line=846
> > (Compiled frame)
> >  - org.apache.hadoop.hbase.**client.HConnectionManager$**
> > HConnectionImplementation.**processBatchCallback(java.**util.List,
> > byte[], java.util.concurrent.**ExecutorService, java.lang.Object[],
> > org.apache.hadoop.hbase.**client.coprocessor.Batch$**Callback) @bci=194,
> > line=1533 (Compiled frame)
> >  - org.apache.hadoop.hbase.**client.HConnectionManager$**
> > HConnectionImplementation.**processBatch(java.util.List, byte[],
> > java.util.concurrent.**ExecutorService, java.lang.Object[]) @bci=30,
> > line=1418 (Compiled frame)
> >  - org.apache.hadoop.hbase.**client.HTable.batch(java.util.**List)
> > @bci=24, line=702 (Compiled frame)
> >  - org.apache.hadoop.hbase.**client.HTable.get(java.util.**List) @bci=2,
> > line=671 (Compiled frame)
> >  - org.apache.hadoop.hbase.**client.HTablePool$**
> > PooledHTable.get(java.util.**List) @bci=5, line=367 (Compiled frame)
> >
> >
>
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB