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[expand - 7 more] - RE: RPC statistics from region servers... - HBase - [mail # dev]
...I do seem to be getting data in multiPut* and get* now from all the Region  Servers. So things look good now.  Gary:  ng   What would be the net effect of this change com...
   Author: Kannan Muthukkaruppan, 2010-07-29, 23:17
RE: volatile considered harmful - HBase - [mail # dev]
...Ryan:  Joy had brought up a related issue to attention recently, and fwd'ed this l ink:  http://blogs.sun.com/dave/entry/a_race_in_locksupport_park  It has to do with a volati...
   Author: Kannan Muthukkaruppan, 2010-04-15, 22:28
RE: HDFS-895 hflush speedup - HBase - [mail # dev]
...Todd: Good stuff! Have you tried this out on a HBase test too?  e a bit speedup.  Will batching now happen underneath the DFSClient automatically now that sy ncs/appends are not se...
   Author: Kannan Muthukkaruppan, 2010-04-15, 17:51
RE: HBASE-2312 discussion - HBase - [mail # dev]
...Option #1 seems easy to reason about and simple to implement. Can we go ahe ad with that if there is no major objection?  regards, Kannan From: Karthik Ranganathan [mailto:[EMAIL PROTEC...
   Author: Kannan Muthukkaruppan, 2010-03-17, 01:07
[expand - 1 more] - RE: row level atomicity - HBase - [mail # dev]
...Spoke to Dhruba on (i), and he suggested doing something at the HBase layer  such as using markers in the transaction log to clearly delineate start-en d boundary of a transaction, and ...
   Author: Kannan Muthukkaruppan, 2010-03-03, 22:21
compactions & flushing - HBase - [mail # dev]
...The description for "hbase.hstore.compactionThreshold" in hbase-default.xml  says: >> .  What's the reason for this restriction?  I couldn't spot where this is gett ing ...
   Author: Kannan Muthukkaruppan, 2010-02-23, 02:24
RE: Cannot locate root region - HBase - [mail # dev]
...@Joy: The info stored in .META. for various regions as well as in the ephem eral nodes for region servers in zookeeper are both already IP address base d. So doesn't look like multi-homing a...
   Author: Kannan Muthukkaruppan, 2010-01-29, 16:33
[expand - 6 more] - RE: scanner lease expired/region server shutdown - HBase - [mail # dev]
...1. >>>  That's what seems to have happened. For all these problem regions (about 50  out of the 400 odd regions my table had), a scan of .META. shows 5 entries , info:spli...
   Author: Kannan Muthukkaruppan, 2010-01-27, 22:30
[expand - 3 more] - RE: commit semantics - HBase - [mail # dev]
...Yes.   Seems like we all generally agree that large number of regions per region s erver may not be the way to go.  So coming back to Dhruba's question on having one commit log per...
   Author: Kannan Muthukkaruppan, 2010-01-12, 21:07
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