Hi Krishna, Can you please send screenshots of namenode web UI.
Thanks Aditya. On Mon, Jul 15, 2013 at 1:54 PM, Krishna Kishore Bonagiri < write2kish...@gmail.com> wrote: > I have had enough space on the disk that is used, like around 30 Gigs > > Thanks, > Kishore > > > On Mon, Jul 15, 2013 at 1:30 PM, Venkatarami Netla < > venkatarami.ne...@cloudwick.com> wrote: > >> Hi, >> pls see the available space for NN storage directory. >> >> Thanks & Regards >> >> Venkat >> >> >> On Mon, Jul 15, 2013 at 12:14 PM, Krishna Kishore Bonagiri < >> write2kish...@gmail.com> wrote: >> >>> Hi, >>> >>> I am doing no activity on my single node cluster which is using >>> 2.1.0-beta, and still observed that it has gone to safe mode by itself >>> after a while. I was looking at the name node log and see many of these >>> kinds of entries.. Can anything be interpreted from these? >>> >>> 2013-07-12 09:06:11,256 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Starting log segment at >>> 561 >>> 2013-07-12 09:07:11,290 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Roll Edit Log from >>> 9.70.137.114 >>> 2013-07-12 09:07:11,290 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Rolling edit logs >>> 2013-07-12 09:07:11,290 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Ending log segment 561 >>> 2013-07-12 09:07:11,291 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Number of transactions: 2 >>> Total time for transactions(ms): 1 Number of transactions batched in Syncs: >>> 0 Number of syncs: 2 SyncTimes(ms): 14 >>> 2013-07-12 09:07:11,292 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Number of transactions: 2 >>> Total time for transactions(ms): 1 Number of transactions batched in Syncs: >>> 0 Number of syncs: 3 SyncTimes(ms): 15 >>> 2013-07-12 09:07:11,293 INFO >>> org.apache.hadoop.hdfs.server.namenode.FileJournalManager: Finalizing edits >>> file >>> /tmp/hadoop-dsadm/dfs/name/current/edits_inprogress_0000000000000000561 -> >>> /tmp/hadoop-dsadm/dfs/name/current/edits_0000000000000000561-0000000000000000562 >>> 2013-07-12 09:07:11,294 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Starting log segment at >>> 563 >>> 2013-07-12 09:08:11,397 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Roll Edit Log from >>> 9.70.137.114 >>> 2013-07-12 09:08:11,398 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Rolling edit logs >>> 2013-07-12 09:08:11,398 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Ending log segment 563 >>> 2013-07-12 09:08:11,399 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Number of transactions: 2 >>> Total time for transactions(ms): 2 Number of transactions batched in Syncs: >>> 0 Number of syncs: 2 SyncTimes(ms): 11 >>> 2013-07-12 09:08:11,400 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Number of transactions: 2 >>> Total time for transactions(ms): 2 Number of transactions batched in Syncs: >>> 0 Number of syncs: 3 SyncTimes(ms): 12 >>> 2013-07-12 09:08:11,402 INFO >>> org.apache.hadoop.hdfs.server.namenode.FileJournalManager: Finalizing edits >>> file >>> /tmp/hadoop-dsadm/dfs/name/current/edits_inprogress_0000000000000000563 -> >>> /tmp/hadoop-dsadm/dfs/name/current/edits_0000000000000000563-0000000000000000564 >>> 2013-07-12 09:08:11,402 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Starting log segment at >>> 565 >>> 2013-07-12 09:09:11,440 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Roll Edit Log from >>> 9.70.137.114 >>> 2013-07-12 09:09:11,440 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Rolling edit logs >>> 2013-07-12 09:09:11,440 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Ending log segment 565 >>> 2013-07-12 09:09:11,440 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Number of transactions: 2 >>> Total time for transactions(ms): 0 Number of transactions batched in Syncs: >>> 0 Number of syncs: 2 SyncTimes(ms): 13 >>> 2013-07-12 09:09:11,441 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Number of transactions: 2 >>> Total time for transactions(ms): 0 Number of transactions batched in Syncs: >>> 0 Number of syncs: 3 SyncTimes(ms): 13 >>> >>> >>> And after sometime it said: >>> >>> 2013-07-12 11:03:19,799 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Starting log segment at >>> 795 >>> 2013-07-12 11:04:19,826 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Roll Edit Log from >>> 9.70.137.114 >>> 2013-07-12 11:04:19,826 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Rolling edit logs >>> 2013-07-12 11:04:19,827 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Ending log segment 795 >>> 2013-07-12 11:04:19,827 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Number of transactions: 2 >>> Total time for transactions(ms): 0 Number of transactions batched in Syncs: >>> 0 Number of syncs: 2 SyncTimes(ms): 12 >>> 2013-07-12 11:04:19,827 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Number of transactions: 2 >>> Total time for transactions(ms): 0 Number of transactions batched in Syncs: >>> 0 Number of syncs: 3 SyncTimes(ms): 12 >>> 2013-07-12 11:04:19,829 INFO >>> org.apache.hadoop.hdfs.server.namenode.FileJournalManager: Finalizing edits >>> file >>> /tmp/hadoop-dsadm/dfs/name/current/edits_inprogress_0000000000000000795 -> >>> /tmp/hadoop-dsadm/dfs/name/current/edits_0000000000000000795-0000000000000000796 >>> 2013-07-12 11:04:19,829 INFO >>> org.apache.hadoop.hdfs.server.namenode.FSEditLog: Starting log segment at >>> 797 >>> 2013-07-12 11:04:26,002 WARN >>> org.apache.hadoop.hdfs.server.namenode.NameNodeResourceChecker: Space >>> available on volume 'null' is 0, which is below the configured reserved >>> amount 104857600 >>> 2013-07-12 11:04:26,003 WARN >>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: NameNode low on >>> available disk space. Entering safe mode. >>> 2013-07-12 11:04:26,004 INFO org.apache.hadoop.hdfs.StateChange: STATE* >>> Safe mode is ON. >>> Resources are low on NN. Please add or free up more resources then turn >>> off safe mode manually. NOTE: If you turn off safe mode before adding >>> resources, the NN will immediately return to safe mode.. >>> 2013-07-12 11:04:31,004 WARN >>> org.apache.hadoop.hdfs.server.namenode.NameNodeResourceChecker: Space >>> available on volume 'null' is 0, which is below the configured reserved >>> amount 104857600 >>> 2013-07-12 11:04:31,005 WARN >>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: NameNode low on >>> available disk space. Already in safe mode. >>> 2013-07-12 11:04:31,005 INFO org.apache.hadoop.hdfs.StateChange: STATE* >>> Safe mode is ONResources are low on NN. Please add or free up more >>> resources then turn off safe mode manually. NOTE: If you turn off safe >>> mode before adding resources, the NN will immediately return to safe mode.. >>> 2013-07-12 11:04:36,005 WARN >>> org.apache.hadoop.hdfs.server.namenode.NameNodeResourceChecker: Space >>> available on volume 'null' is 0, which is below the configured reserved >>> amount 104857600 >>> >>> >>> Thanks, >>> Kishore >>> >> >> >> >> -- >> N Venkata Rami Reddy >> Hadoop Admin >> Cloudwick Technologies >> > >
