> What vendor/version/release corresponds with version > "0.98.0.2.1.2.1-471-hadoop2" ? I've not seen that before.
That’s what Ambari 1.6.0 installed when we selected HDP 2.1 (if memory serves). > > We did recently analyze and fix an issue involving the flush queue, see > HBASE-10499 (https://issues.apache.org/jira/browse/HBASE-10499). This was > released in 0.98.10. I'm not definitively saying this is your issue but do > recommend an upgrade to the the current Apache HBase 0.98 release, which is > 0.98.10.1, or contact your vendor. Looks promising. Thanks. > > > > On Tue, Feb 24, 2015 at 8:15 AM, Brian Jeltema < > brian.jelt...@digitalenvoy.net> wrote: > >> 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 >> >> > > > -- > Best regards, > > - Andy > > Problems worthy of attack prove their worth by hitting back. - Piet Hein > (via Tom White)
