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From Stack <st...@duboce.net>
Subject Re: Handling downtime from hbase.client
Date Wed, 14 Jul 2010 16:32:17 GMT
Thanks Otis:

I added a link to this sweet tool to the head of our mailing list page.

St.Ack


On Tue, Jul 13, 2010 at 10:17 PM, Otis Gospodnetic
<otis_gospodnetic@yahoo.com> wrote:
> Use http://search-hadoop.com .
>
> We index all HBase and other Hadoop content - mailing lists, JIRA, Wiki, Web
> site, source code.
>
>
> Otis
> ----
> Sematext :: http://sematext.com/ :: Solr - Lucene - Nutch
>
>
>
>
> ----- Original Message ----
>> From: Jean-Daniel Cryans <jdcryans@apache.org>
>> To: hbase-user@hadoop.apache.org
>> Sent: Tue, July 13, 2010 2:02:47 PM
>> Subject: Re: Handling downtime from hbase.client
>>
>> That's probably temporary, else there's always google ;)
>>
>> J-D
>>
>> On  Tue, Jul 13, 2010 at 10:58 AM, Justin Cohen <justin.cohen@teamaol.com>
>>wrote:
>> > Where's the best place to search the mailing list?  The archives  here don't
>> > seem to work: http://mail-archives.apache.org/mod_mbox/hbase-user/
>> >
>> >  Thanks!
>> >
>> > -justin
>> >
>> > On 7/13/10 10:47 AM, Jean-Daniel  Cryans wrote:
>> >>
>> >> This kind of issue was discussed a couple  of times on this mailing
>> >> list. Basically, you can play with  hbase.client.pause and
>> >> hbase.client.retries.number but you won't  find this satisfactory,
>> >> which is why we opened
>> >> https://issues.apache.org/jira/browse/HBASE-2445
>> >>
>> >>  J-D
>> >>
>> >> On Tue, Jul 13, 2010 at 10:38 AM, Justin Cohen<justin.cohen@teamaol.com>
>> >>   wrote:
>> >>
>> >>>
>> >>> Is there a way to configure  hbase.client call timeouts?  If we have
a
>> >>> network outage or if  hbase/zk goes down for some reason, we want our
>> >>> table.puts to  timeout reasonably (5-15 seconds) so we can queue them
up
>> >>>  for
>> >>> later.  We also want scans and gets to timeout so we can  fail gracefully.
>> >>>  I've played with some of the retries and pause  configs but I can't
seem
>> >>> to
>> >>> get a consistent  timeout. It's often over 30 seconds, and occasionally
it
>> >>> never  times out.
>> >>>
>> >>> Also, when hbase does come back,  there seems to be a good 30-60 second
>> >>> delay
>> >>>  before we can contact region servers.
>> >>>
>> >>> Right now  I'm testing this using hbase in standalone mode, bring up
and
>> >>>  down
>> >>> stop-hbase.sh and  start-hbase.sh
>> >>>
>> >>> Any tips?
>> >>>  Justin
>> >>>
>> >>>
>> >
>>
>

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