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From Sujee Maniyam <su...@sujee.net>
Subject region splits, but not assigned to other region servers
Date Wed, 15 Jun 2011 07:53:36 GMT
Hi all

I am loading data into a table using a standalone java client (multiple
threads).  I see the table splits into regions, but for a while the new
regions are not distributed among region servers. (see screenshot, in this
case all regions are in SN8 machine).  So the updates go to one RS as
opposed to many RSs.

Eventually the regions do get spread around.

In RegionServer logs I do see messages like following:
2011-06-14 15:50:44,319 INFO
org.apache.hadoop.hbase.regionserver.CompactSplitThread: Region split, ME
TA updated, and report to master.
Parent=logs,,1308091368394.a4e9b514dbb9061cd444d5a1104de5b9., new re
gions: logs,,1308091842570.87cc920ee45add9c094c9e872774e2d1.,
logs,\x00\x07\xA0\xBC\x00\x00\x00\x01\x7
F\xFF\xFE\xDA\x17\x03\x1Ac,1308091842570.39dc0057e0bdbcdaa8bd51b5da0dfd3f..
Split took 1sec

version : Hbase 0.90.1-cdh3u0, r
region size : 1G

is this the expected behavior?

thanks
Sujee
http://sujee.net

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