Interesting, so it's not just us. Based on the behavior, I'm guessing that listing the buckets requires traversing the key space?
> Message: 2 > Date: Thu, 15 Mar 2012 11:19:15 -0700 > From: Aphyr <[email protected]> > To: [email protected] > Subject: Re: Listing buckets causes nodes to misbehave > Message-ID: <[email protected]> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > Yup, list-keys and list-buckets does this for us too, since Riak 0.14. > Bitcask, 6 nodes, physical hardware, 1024 partitions, 100-300 million > keys with n_val 3. > > --Kyle > > On 03/15/2012 11:17 AM, Armon Dadgar wrote: >> We are currently running Riak 1.1 in production, using LevelDB >> with snappy compression and yesterday we ran into a strange >> issue where listing the buckets via: >> >> $ curl "http://east-riak-001:8098/riak?buckets=true"; >> >> Doing this caused curl to hang indefinitely, and the target node to >> freak out. >> Symptoms included a massive increase in system load (2-3x), FSM timings >> exploding >> from ~30-50 msec to 500 - 5000 msec, and most of the APIs becoming >> totally unresponsive. >> >> We ran this on a few nodes on the cluster, which basically brought >> everything to a halt. Our solution was to just reboot all the nodes, at >> which point things returned to normal. >> >> Curious if anybody else has experienced this. >> >> Best Regards, >> >> Armon Dadgar >> >> >> >> _______________________________________________ >> riak-users mailing list >> [email protected] >> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com _______________________________________________ riak-users mailing list [email protected] http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
