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RE: Cluster Size/Node Density - HBase - [mail # user]
...You meant 15TB/45TB right?  Your numbers seem in the realm of possibility.  You should try it out on yo ur 10 node cluster if you can.  I've done applications like this in the...
   Author: Jonathan Gray, 2010-12-17, 22:46
RE: question about multi-transaction queries - HBase - [mail # user]
...Have you looked at the thrift support?  Plenty of people are using HBase fr om PHP via Thrift.  I don't think there is MultiPut or MultiGet support but there is work curre ntly und...
   Author: Jonathan Gray, 2010-12-17, 22:26
RE: Results from a Map/Reduce - HBase - [mail # user]
...If you do aggregation, your queries will most likely be well under a second .  The aggregates should reduce the amount of data that needs to be read by  several orders of magnitude...
   Author: Jonathan Gray, 2010-12-17, 22:25
RE: [RFC] Deployment layout and server configurations - HBase - [mail # user]
...Hey Imran,  This looks reasonable but it's hard to say without knowing what the read/wr ite workload is like.  You say all searches are done using Solr... will tha t also be hosted...
   Author: Jonathan Gray, 2010-12-17, 06:11
RE: Recommended setup for a small cluster - HBase - [mail # user]
...That sounds right.  One node would have NN, HMaster, and ZK.  Others would  have DN and RS.  You could put the SNN on any of the slave nodes I suppose.  se...
   Author: Jonathan Gray, 2010-12-15, 06:19
RE: Confusion on the role of regionserver - HBase - [mail # user]
...The 5 RS will be connecting to all 10 DNs.  However, when writing to HDFS t he first replica always goes to the local node.  Because of this, the 5 DNs  that are hosting the 5...
   Author: Jonathan Gray, 2010-12-15, 04:56
RE: Composite key, scan on partial key - HBase - [mail # user]
...There might be a little confusion.  Specifying start/stop rows vs. scanning all rows with a filter... yes, clea rly the start/stop is far more efficient.  What Ryan is talking abou...
   Author: Jonathan Gray, 2010-12-15, 04:53
RE: Modifying existing table entries - HBase - [mail # user]
...Applying a filter can prevent all rows from being sent to the client (or MR  task) but HBase will still be doing a full table scan.  This can certainly  help but in the end yo...
   Author: Jonathan Gray, 2010-12-15, 04:51
RE: Build failed in Hudson: hbase-0.90 #27 - HBase - [mail # dev]
...Somehow there's a ZK session expiration that I've not seen before...  2010-12-14 22:20:25,284 ERROR [Thread-282-EventThread] zookeeper.ClientCnxn $EventThread(532): Error while calling ...
   Author: Jonathan Gray, 2010-12-15, 00:17
RE: HBase stability - HBase - [mail # user]
...Hey Baggio,  Looks like you've done some good analysis.  Much of what you've mentioned u nder HBase is in the works (multi-thread compactions, distributed log split ting, HBCK tool...
   Author: Jonathan Gray, 2010-12-13, 17:19
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