This is a du -hs * of the riak folder: 44G anti_entropy 1.1M kv_vnode 252G leveldb 124K ring
It's a 6 machine cluster, so ~1512G of levelDB. Thanks for the tip, I'll upgrade in a near future! Best regards On 27 December 2013 21:41, Matthew Von-Maszewski <matth...@basho.com> wrote: > I have a query out to the developer that can better respond to your > follow-up questions. It might be Monday before we get a reply due to the > holidays. > > Do you happen to know how much data is in the leveldb dataset and/or one > vnode? Not sure it will change the response, but might be nice to have > that info available. > > Matthew > > P.S. Unrelated to your question: Riak 1.4.4 is available for download. > It has a couple of nice bug fixes for leveldb. > > > On Dec 27, 2013, at 2:08 PM, Edgar Veiga <edgarmve...@gmail.com> wrote: > > Ok, thanks for confirming! > > Is it normal, that this action affects the overall state of the cluster? > On the 26th It started the regeneration and the the response times of the > cluster raised to never seen values. It was a day of heavy traffic but > everything was going quite ok until it started the regeneration process.. > > Have you got any advices about changing those app.config values? My > cluster is running smoothly for the past 6 months and I don't want to start > all over again :) > > Best Regards > > > On 27 December 2013 18:56, Matthew Von-Maszewski <matth...@basho.com>wrote: > >> Yes. Confirmed. >> >> There are options available in app.config to control how often this >> occurs and how many vnodes rehash at once: defaults are every 7 days and >> two vnodes per server at a time. >> >> Matthew Von-Maszewski >> >> >> On Dec 27, 2013, at 13:50, Edgar Veiga <edgarmve...@gmail.com> wrote: >> >> Hi! >> >> I've been trying to find what may be the cause of this. >> >> Every once in a week, all the nodes in my riak cluster start to do some >> kind of operation that lasts at least for two days. >> >> You can watch a sample of my munin logs regarding the last week in here: >> >> https://cloudup.com/imWiBwaC6fm >> Take a look at the days 19 and 20, and now it has started again on the >> 26... >> >> I'm suspecting that this may be caused by the aae hash trees being >> regenerated, as you say in your documentation: >> For added protection, Riak periodically (default: once a week) clears and >> regenerates all hash trees from the on-disk K/V data. >> Can you confirm me that this may be the root of the "problem" and if it's >> normal for the action to last for two days? >> >> I'm using riak 1.4.2 on 6 machines, with centOS. The backend is levelDB. >> >> Best Regards, >> Edgar Veiga >> >> _______________________________________________ >> riak-users mailing list >> riak-users@lists.basho.com >> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com >> >> > >
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