[ANNOUNCE] Apache HBase 0.98.21 is now available for download

Apache HBase 0.98.21 is now available for download. Get it from an Apache mirror [1] or Maven repository. The list of changes in this release can be found in the release notes [2] or at the bottom of this announcement. Thanks to all who contributed to this release. Best, The HBase Dev Team ​1.

Re: If hbase can trigger minor-compaction when it is doing major-compaction?

国泉: Please share compaction related config parameters in your cluster. For the table, how many column families does it have ? Thanks On Wed, Aug 17, 2016 at 2:49 AM, Jean-Marc Spaggiari < jean-m...@spaggiari.org> wrote: > Hi, > > There is 2 reasons to have a major compaction. > > the first on

Re: Hbase Row key lock

Hi Manjeet, Then have you looked at CheckandPut and the others ChecAnd* calls? JMS 2016-08-17 5:08 GMT-04:00 Manjeet Singh : > Hi Dima > > Thanks for your reply its useful for me, My concern is that I have very > frequent get/put opration using spark Hbase connector

Re: If hbase can trigger minor-compaction when it is doing major-compaction?

Hi, There is 2 reasons to have a major compaction. the first on is when a minor compaction selects all the files to be compacted. It is then promoted as a major compaction for that region. The second reason is time based. Every day or week, depending on your configuration, HBase will trigger a

If hbase can trigger minor-compaction when it is doing major-compaction?

Hi ALL: Today I met a problem, There is a very large table in the hbase cluster, And this table never ran a major-compaction and I trigger a major-compaction. The major-compaction will take a very very long time, meantime, this table is still being writing. The

Re: Hbase Row key lock

Hi Dima Thanks for your reply its useful for me, My concern is that I have very frequent get/put opration using spark Hbase connector so i wan tto make sure if my any rowkey was in progress for update and another client try to update it will not impact, mean I want to know if hbase deal on

Re: Hbase regionserver.MultiVersionConcurrencyControl Warning

> > On Tue, Aug 16, 2016 at 9:27 AM, Sterfield wrote: > > > > > > > ... > > > > On the corresponding RS, at the same time, there's a message about a > > big > > > > flush, but not with so much memory in the memstore. Also, I don't see > > any > > > > warning that could

Re: Hbase Row key lock

Row locks on the client side were deprecated in 0.94 (see HBASE-7341) and removed in 0.96 (see HBASE-7315). As you note, they could lead to deadlocks and also had problems when region moves or splits occurred. Is there a specific reason you're looking for this functionality, Manjeet? -Dima On