t;
> Cc:
> Sent: Thursday, January 19, 2012 9:46 AM
> Subject: Re: Meta region hotspotting
>
>T hanks Jack.
>
> We couldn't find any "bad" queries (though perhaps we weren't
> looking hard enough) but an upgrade to 0.92rc3 seems to have resolved
your help everyone,
-Ben
- Original Message -
From: Jack Levin
To: user@hbase.apache.org
Cc: Ben West
Sent: Monday, December 26, 2011 7:32 PM
Subject: Re: Meta region hotspotting
Some time ago, we had a situation where our REST server was slammed
with queries that did not find any matches for
Some time ago, we had a situation where our REST server was slammed
with queries that did not find any matches for rows in Hbase. When
that happened we sustained 50k rpc/sec to META region server as
reported by the master web page. After digging deeper we found that
reach request with 'wrong' url
On Fri, Dec 23, 2011 at 1:42 PM, Ben West wrote:
> For those following at home, I tried this change and it does not appear to
> have solved the problem. Back to the drawing board.
>
>
Thanks for digging in Ben.
St.Ack
g any
> cache.
>
> Does this sound plausible? I can submit a JIRA asking for maxSize to be a
> config param if so. We have >> 10 simultaneous requests.
>
>
> - Original Message -
> From: Ben West
> To: Stack ; "user@hbase.apache.org"
> Cc:
&g
s this sound plausible? I can submit a JIRA asking for maxSize to be a
> config param if so. We have >> 10 simultaneous requests.
>
>
> - Original Message -
> From: Ben West
> To: Stack ; "user@hbase.apache.org"
> Cc:
> Sent: Friday, Decembe
is sound plausible? I can submit a JIRA asking for maxSize to be a
config param if so. We have >> 10 simultaneous requests.
- Original Message -
From: Ben West
To: Stack ; "user@hbase.apache.org"
Cc:
Sent: Friday, December 9, 2011 10:52 AM
Subject: Re: Meta region hotspo
December 8, 2011 6:24 PM
Subject: Re: Meta region hotspotting
On Thu, Dec 8, 2011 at 4:05 PM, Ben West wrote:
> We have a cluster with four region servers and about 2,000 regions. We're
> using the REST server, and we've noticed that whatever region is hosting META
> gets 3-5
On Thu, Dec 8, 2011 at 4:05 PM, Ben West wrote:
> We have a cluster with four region servers and about 2,000 regions. We're
> using the REST server, and we've noticed that whatever region is hosting META
> gets 3-5x the number of requests that the other regions do.
>
> It's my understanding that
Hey all,
We have a cluster with four region servers and about 2,000 regions. We're using
the REST server, and we've noticed that whatever region is hosting META gets
3-5x the number of requests that the other regions do.
It's my understanding that the client should cache the row start/end loca
10 matches
Mail list logo
