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HBase >> mail # user >> Unique Put ends up twice in HBase?


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Mesika, Asaf 2013-02-04, 07:20
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Re: Unique Put ends up twice in HBase?
Hi
If the put is successful and stored to memstore then it should be a
successful put.
What type of exception did the Server throw?

Regards
Ram

On Mon, Feb 4, 2013 at 12:50 PM, Mesika, Asaf <[EMAIL PROTECTED]> wrote:

> Hi,
>
> Can the following scenario occur?
>
> Create a Put for (rk1, cf1, cq1, value=1L)
> run hTable.batch
> Inside implementation:
> Put is sent to server
> Server throws an exception, but Put still is saved (WAL, memstore)
> Flush kicks in
> Client attempts a retry and succeeds, thus same put is written for the
> second time with different timestamp
>
> Fetching the data, assuming we allow maxVersion=2, we get value = 2 for
> that rk1, cf1, cq1 ?
>
>
> Thanks,
>
> Asaf
>
>
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