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From: Dan Crosta <dan@magnetic.com>
To: "<user@hbase.apache.org>" <user@hbase.apache.org>
Subject: Re: Scanner timeout -- any reason not to raise?
Thread-Topic: Scanner timeout -- any reason not to raise?
Thread-Index: AQHOIz+3yL8lmoVmLUCxUjoa/bLk8JiqnZkAgAACpQA=
Date: Sun, 17 Mar 2013 20:56:08 +0000
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Ah, thanks Ted -- I was wondering what that setting was for.

We are using CDH 4.2.0, which is HBase 0.94.2 (give or take a few backports=
 from 0.94.3).

Is there any harm in setting the lease timeout to something larger, like 5 =
or 10 minutes?

Thanks,
- Dan

On Mar 17, 2013, at 1:46 PM, Ted Yu wrote:

> Which HBase version are you using ?
>=20
> In 0.94 and prior, the config param is hbase.regionserver.lease.period
>=20
> In 0.95, it is different. See release notes of HBASE-6170
>=20
> On Sun, Mar 17, 2013 at 11:46 AM, Dan Crosta <dan@magnetic.com> wrote:
>=20
>> We occasionally get scanner timeout errors such as "66698ms passed since
>> the last invocation, timeout is currently set to 60000" when iterating a
>> scanner through the Thrift API. Is there any reason not to raise the
>> timeout to something larger than the default 60s? Put another way, what
>> resources (and how much of them) does a scanner take up on a thrift serv=
er
>> or region server?
>>=20
>> Also, to confirm -- I believe "hbase.rpc.timeout" is the setting in
>> question here, but someone please correct me if I'm wrong.
>>=20
>> Thanks,
>> - Dan
>>=20
>>=20
>>=20