riak with leveldb timeouts when retrieving bucket keys

Artem Kozarezov artemciy at gmail.com
Fri Sep 23 12:39:39 EDT 2011


Hi, Kelly!

I'm using
http://downloads.basho.com/riak/riak-1.0.0rc1/riak_1.0.0rc1-1_amd64.deb
There are approximately 1400000 objects in the bucket, 153 GiB in 59645
leveldb files (find leveldb/ -type f | wc -l) .

On Fri, Sep 23, 2011 at 18:31, Kelly McLaughlin <kelly at basho.com> wrote:

> Artem,
>
> Are you using a riak package or have you built from source? Which version
> or branch are you using? Also do you know how many objects are in the
> bucket. Thanks.
>
> Kelly
>
> On Sep 23, 2011, at 2:23 AM, Artem Kozarezov wrote:
>
> > Riak becomes unavailable when fetching bucket keys.
> > wget "http://127.0.0.1:8098/riak/bucket?keys=stream"
> >
> > 2011-09-23 12:13:21.924 [error] <0.1110.0> CRASH REPORT Process [] with 0
> neighbours crashed with reason:
> {timeout,{gen_server,call,[<0.1116.0>,{work,<0.1111.0>,{fold,#Fun<riak_kv_eleveldb_backend.3.30705690>,#Fun<riak_kv_vnode.13.73121757>},{fsm,{33509606,{1278813932664540053428224228626747642198940975104,'
> riak at 188.138.84.236'}},<0.14780.226>}}]}}
> > 2011-09-23 12:13:31.198 [error] <0.907.0> gen_fsm <0.907.0> in state
> ready terminated with reason:
> {timeout,{gen_server,call,[<0.916.0>,{work,<0.908.0>,{fold,#Fun<riak_kv_eleveldb_backend.3.30705690>,#Fun<riak_kv_vnode.13.73121757>},{fsm,{33509606,{1187470080331358621040493926581979953470445191168,'
> riak at 188.138.84.236'}},<0.14780.226>}}]}}
> > 2011-09-23 12:14:22.196 [error] <0.1512.0> gen_fsm <0.1512.0> in state
> ready terminated with reason:
> {timeout,{gen_fsm,sync_send_all_state_event,[<0.1513.0>,stop]}}
> >
> > Would be nice to have a configurable bandwidth limit for the keys
> retrieval (e.g. "please give me no more than 1000 keys per second"), so that
> one could fetch the keys without making Riak unresponsive.
> >
> > _______________________________________________
> > riak-users mailing list
> > riak-users at lists.basho.com
> > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
>
>
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