Interesting... Can you share you hbase-site.xml? Have you setup hbase.regionserver.optionalcacheflushinterval?
Can you hadoop fs -ls -R this region folder? 2015-02-24 11:15 GMT-05:00 Brian Jeltema <[email protected]>: > I’m seeing occasional HBase log output similar to the output shown below. > It appears there is a request to flush a region, repeated every 10 > seconds, that apparently is never being performed. It’s causing MR jobs to > timeout because they cannot write to this region. Is this a known problem? > > hbase version 0.98.0.2.1.2.1-471-hadoop2 > hadoop version 2.4.0.2.1.2.1-471 > > > 2015-02-23 14:51:47,612 INFO [regionserver60020.periodicFlusher] > regionserver.HRegionServer: regionserver60020.periodicFlusher requesting > flush for region > Host,\x00_m\xB8\x06,1415044750009.6ec50faa43a312cd6465d991e5984ec6. after a > delay of 13758 > 2015-02-23 14:51:57,611 INFO [regionserver60020.periodicFlusher] > regionserver.HRegionServer: regionserver60020.periodicFlusher requesting > flush for region > Host,\x00_m\xB8\x06,1415044750009.6ec50faa43a312cd6465d991e5984ec6. after a > delay of 18080 > 2015-02-23 14:52:07,611 INFO [regionserver60020.periodicFlusher] > regionserver.HRegionServer: regionserver60020.periodicFlusher requesting > flush for region > Host,\x00_m\xB8\x06,1415044750009.6ec50faa43a312cd6465d991e5984ec6. after a > delay of 17701 > 2015-02-23 14:52:17,612 INFO [regionserver60020.periodicFlusher] > regionserver.HRegionServer: regionserver60020.periodicFlusher requesting > flush for region > Host,\x00_m\xB8\x06,1415044750009.6ec50faa43a312cd6465d991e5984ec6. after a > delay of 19090 > 2015-02-23 14:52:27,616 INFO [regionserver60020.periodicFlusher] > regionserver.HRegionServer: regionserver60020.periodicFlusher requesting > flush for region > Host,\x00_m\xB8\x06,1415044750009.6ec50faa43a312cd6465d991e5984ec6. after a > delay of 4042 > 2015-02-23 14:52:37,615 INFO [regionserver60020.periodicFlusher] > regionserver.HRegionServer: regionserver60020.periodicFlusher requesting > flush for region > Host,\x00_m\xB8\x06,1415044750009.6ec50faa43a312cd6465d991e5984ec6. after a > delay of 12968 > 2015-02-23 18:12:03,307 INFO [regionserver60020.periodicFlusher] > regionserver.HRegionServer: regionserver60020.periodicFlusher requesting > flush for region > Host,\x00_m\xB8\x06,1424724136146.48d4d3fa0e02a97a8a1d9b85d5cf0162. after a > delay of 10482 > 2015-02-23 18:12:13,308 INFO [regionserver60020.periodicFlusher] > regionserver.HRegionServer: regionserver60020.periodicFlusher requesting > flush for region > Host,\x00_m\xB8\x06,1424724136146.48d4d3fa0e02a97a8a1d9b85d5cf0162. after a > delay of 14829 > 2015-02-23 19:15:13,330 INFO [regionserver60020.periodicFlusher] > regionserver.HRegionServer: regionserver60020.periodicFlusher requesting > flush for region > Host,\x00_m\xB8\x06,1424724136146.48d4d3fa0e02a97a8a1d9b85d5cf0162. after a > delay of 22888 > 2015-02-23 19:15:23,329 INFO [regionserver60020.periodicFlusher] > regionserver.HRegionServer: regionserver60020.periodicFlusher requesting > flush for region > Host,\x00_m\xB8\x06,1424724136146.48d4d3fa0e02a97a8a1d9b85d5cf0162. after a > delay of 21081 > 2015-02-23 19:15:33,329 INFO [regionserver60020.periodicFlusher] > regionserver.HRegionServer: regionserver60020.periodicFlusher requesting > flush for region > Host,\x00_m\xB8\x06,1424724136146.48d4d3fa0e02a97a8a1d9b85d5cf0162. after a > delay of 6387 > 2015-02-23 20:50:23,368 INFO [regionserver60020.periodicFlusher] > regionserver.HRegionServer: regionserver60020.periodicFlusher requesting > flush for region > Host,\x00_m\xB8\x06,1424724136146.48d4d3fa0e02a97a8a1d9b85d5cf0162. after a > delay of 8828 > >
