Re:Re: exportSnapshot tool

Maybe you should initialize the HDFS HA state in ZooKeeper, or execute 'hdfs zkfc -formatZK'

RegionServer not crash but not response!!

Hi, all, Our hbase is hbase-0.96.0, we found one region server not work normally, can any body know the reason? The time is about 2015-04-29 17:04:00 Attachment is the region server log. Any idea will be appreciated.

Re: exportSnapshot tool

Hi Ted, I am using hadoop-2.5.1 and hbase-0.98.7-hadoop2. The command for snapshot export is: hbase org.apache.hadoop.hbase.snapshot.ExportSnapshot -snapshot snappy -copy-to hdfs://hb1m/hbase -overwrite Thank you Regards, Akmal Abbasov On 03 May 2015, at 16:57, Ted Yu yuzhih...@gmail.com

Re: HBase Questions

For #1, You really don’t want to do what is suggested by the HBase book. Yes you can do it, but then again, just because you can do something doesn’t mean you should. Its really bad advice. HBase is IRT not CRUD. (IRT == Insert, Read, Tombstone) If there is a temporal component to your

exportSnapshot tool

Hi, I using exportSnapshot tool, and observed a strange behaviour. I have HBase HA configured in my destination cluster. I have hbm1 and hbm2 which are HBase masters. Currently hbm2 is active, and hbm1 is in standby mode. I am assuming that when I am using exportSnapshot tool I need to specify

Re: HBase Filesystem Adapter

If you’re not going to be using HDFS and Map/Reduce, I would suggest you choose a different noSQL persistent data store. On May 1, 2015, at 6:49 AM, Buğra Çakır bugra.ca...@oranteknoloji.com wrote: Hi, I would like to use HBase in areas when we don't need functionality given within

Re: RowKey hashing in HBase 1.0

Yes, don’t use a salt. Salt implies that your seed is orthogonal (read random) to the base table row key. You’re better off using a truncated hash (md5 is fastest) so that at least you can use a single get(). Common? Only if your row key is mostly sequential. Note that even with

Re: HBase Questions

For #1, see http://hbase.apache.org/book.html#versions and http://hbase.apache.org/book.html#schema.versions Cheers On Fri, May 1, 2015 at 9:17 PM, Arun Patel arunp.bigd...@gmail.com wrote: 1) Are there any problems having many versions for a column family? What's the recommended limit? 2)

Re: exportSnapshot tool

Can you give us a bit more information ? Such as: release of hbase you're using release of hadoop you're using the command line for snapshot export Thanks On Sun, May 3, 2015 at 7:53 AM, Akmal Abbasov akmal.abba...@icloud.com wrote: Hi, I using exportSnapshot tool, and observed a strange

Re: exportSnapshot tool

bq. Operation category READ is not supported in state standby Can you confirm whether active namenode is running on hb1m ? Cheers On Sun, May 3, 2015 at 8:00 AM, Akmal Abbasov akmal.abba...@icloud.com wrote: Hi Ted, I am using hadoop-2.5.1 and hbase-0.98.7-hadoop2. The command for snapshot

Re: exportSnapshot tool

Hi Ted, Yes, I can confirm that hb1m is active I tested it using ./hbase-jruby get-active-master.rb which is in HBASE_DIR/bin/ And also I can see that hb1m is an active one from my dashboard. Thank you. Regards, Akmal Abbasov On 03 May 2015, at 17:17, Ted Yu yuzhih...@gmail.com wrote: bq.