On Wed, Nov 28, 2012 at 11:52 PM, Venki Yedidha <venkatesh.yedi...@gmail.com> wrote: > Thanks Sean, > > Now I know that I can't find the memory occupied by a particular bucket/key > in the riak cluster...I just cleared data directory in my local system and > inserted that single bucket/key in my local system,So, no cluster in this > scenario as I was running on a single node. The statistics showed me it > occupied 2.6MB when I performed du -h on eleveldb directory(running in my > local) and I didn't change n_val, so by default it should take 3. Then, > Will a single node riak still replicates to three different > locations(vnodes) as my n_val=3 and > if the above is true, then the memory occupied by my bucket/key's data is > 2.6/3 = 0.8666MB. > Since, there is a single bucket with single key is available from my local > Riak. > Am I right?
Correct. If there are no other bucket/key pairs, then that 2.6MB is the combined size of your replicas plus some small amount of ring config data. Mark > > Thanks, > Venkatesh > > > > > > On Wed, Nov 28, 2012 at 7:36 PM, Sean Cribbs <s...@basho.com> wrote: >> >> Venki, >> >> Regarding your original question about size of individual buckets/keys >> within that data directory -- that cannot be done without directly >> manipulating the storage engine or other components of Riak. One of the >> benefits of Riak's consistent hashing is that you get a really even spread >> among nodes and you don't really know (without digging into the Erlang >> console) where specific keys live. That said, we have done it for customers >> who have had specific production issues related to large keys, but this is >> not something we recommend doing in general. >> >> >> On Wed, Nov 28, 2012 at 1:59 AM, Venki Yedidha >> <venkatesh.yedi...@gmail.com> wrote: >>> >>> Thanks Mark, >>> >>> Now when I performed du -h on the eleveldb directory in my local: It >>> showed me some thing like: >>> >>> 4.9M ./1370157784997721485815954530671515330927436759040 >>> 2.7M ./776422744832042175295707567380525354192214163456 >>> 2.7M ./525227150915793236229449236757414210188850757632 >>> 2.7M ./959110449498405040071168171470060731649205731328 >>> 3.3M ./1073290264914881830555831049026020342559825461248 >>> 2.7M ./1438665674247607560106752257205091097473808596992 >>> 2.8M ./91343852333181432387730302044767688728495783936 >>> 2.8M ./1324485858831130769622089379649131486563188867072 >>> 2.7M ./228359630832953580969325755111919221821239459840 >>> 2.9M ./890602560248518965780370444936484965102833893376 >>> 2.8M ./913438523331814323877303020447676887284957839360 >>> 2.6M ./639406966332270026714112114313373821099470487552 >>> 2.7M ./159851741583067506678528028578343455274867621888 >>> 177M . >>> >>> So, It occupied 177MB in total.. Now, My interest is I would like to know >>> the space occupied by a particular bucket/key, Can I extract that >>> information form the above? >>> >>> and how are these numbers like >>> "776422744832042175295707567380525354192214163456" generated? >>> >>> Thanks, >>> Venkatesh >>> >>> >>> >>> On Wed, Nov 21, 2012 at 5:24 AM, Mark Phillips <m...@basho.com> wrote: >>>> >>>> Hi Venki >>>> >>>> On Sun, Nov 18, 2012 at 10:11 PM, Venki Yedidha >>>> <venkatesh.yedi...@gmail.com> wrote: >>>> > Hi All, >>>> > I would like to know the data storage of my riak database till >>>> > date. >>>> > Also, I would like to know the space occupied on a riak cluster by a >>>> > bucket/key's data inserted. am running all the nodes(in the cluster) >>>> > on >>>> > eleveldb backend. >>>> > >>>> >>>> The easiest way to do this would be to run some flavor of "du" on the >>>> backend directory that lives under /data of each of your Riak nodes. >>>> The sum of all of the nodes should give you the total replicated data >>>> set. Divide it by your n_val to get the actual data set size. >>>> >>>> Hope that helps. >>>> >>>> Mark >>>> >>>> > >>>> > Thanks, >>>> > Venkatesh >>>> > >>>> > >>>> > >>>> > _______________________________________________ >>>> > riak-users mailing list >>>> > riak-users@lists.basho.com >>>> > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com >>>> > >>> >>> >>> >>> _______________________________________________ >>> riak-users mailing list >>> riak-users@lists.basho.com >>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com >>> >> >> >> >> -- >> Sean Cribbs <s...@basho.com> >> Software Engineer >> Basho Technologies, Inc. >> http://basho.com/ >> > > > _______________________________________________ > riak-users mailing list > riak-users@lists.basho.com > http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com > _______________________________________________ riak-users mailing list riak-users@lists.basho.com http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
