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Re: Declaring HBase Public API in 0.94 - HBase - [mail # dev]
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...The advantage of the annotations is that Tom White already did the work for jdiff to ignore non-public classes over in Hadoop land. We could leverage that work, whether we re-use the o.a.h.c...
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Author: Todd Lipcon,
2013-04-08, 22:55
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Re: Declaring HBase Public API in 0.94 - HBase - [mail # dev]
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...There's always the option of duplicating those annotations into the HBase package if you want to annotate 0.94 without depending on Hadoop 2. Given that it's only annotations, you also...
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Author: Todd Lipcon,
2013-04-08, 21:50
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[HBASE-4361] Certain filter expressions fail in the shell - HBase - [issue]
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...Running the following in the shell hangs and then fails:scan 't1', { FILTER => "SingleColumnValueFilter(">", '1', 'f1', 'col_a')" }The error seems to be: org.jruby.exceptions.RaiseExce...
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http://issues.apache.org/jira/browse/HBASE-4361
Author: Todd Lipcon,
2013-04-04, 02:02
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Re: VOTE: hbase-0.95RC1, the second "Development" Series Release is available [WAS -> VOTE: hbase-0.95.0RC0, the first "Developer Release" release candidate is available for download and vote] - HBase - [mail # dev]
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...Shipping the native libs is difficult anyway, because the artifacts will depend on the particular architecture/OS that you compile on. (eg if you compile on Ubuntu 12.04, it'll be useless on...
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Author: Todd Lipcon,
2013-04-03, 17:11
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[HBASE-4391] Add ability to start RS as root and call mlockall - HBase - [issue]
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...A common issue we've seen in practice is that users oversubscribe their region servers with too many MR tasks, etc. As soon as the machine starts swapping, the RS grinds to a halt, loses ZK ...
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http://issues.apache.org/jira/browse/HBASE-4391
Author: Todd Lipcon,
2013-03-28, 20:42
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[HBASE-5945] Reduce buffer copies in IPC server response path - HBase - [issue]
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...The new PB code is sloppy with buffers and makes several needless copies. This increases GC time a lot. A few simple changes can cut this back down....
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http://issues.apache.org/jira/browse/HBASE-5945
Author: Todd Lipcon,
2013-03-27, 17:21
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[HBASE-5974] Scanner retry behavior with RPC timeout on next() seems incorrect - HBase - [issue]
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...I'm seeing the following behavior: set RPC timeout to a short value call next() for some batch of rows, big enough so the client times out before the result is returned the HConnectionManage...
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http://issues.apache.org/jira/browse/HBASE-5974
Author: Todd Lipcon,
2013-02-26, 08:43
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[HBASE-3696] No durability when running with LocalFileSystem - HBase - [issue]
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...LocalFileSystem in Hadoop doesn't currently implement sync(), so when we're running in that case, we don't have any durability. This isn't a huge deal since it isn't a realistic deployment s...
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http://issues.apache.org/jira/browse/HBASE-3696
Author: Todd Lipcon,
2013-02-11, 22:13
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[HBASE-2396] Coprocessors: Server side dynamic scripting language execution - HBase - [issue]
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...There are a lot of use cases where users want to perform some simple operations on the region server. For example, a row may represent a Set and users want append/search/remove style operati...
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http://issues.apache.org/jira/browse/HBASE-2396
Author: Todd Lipcon,
2013-01-17, 19:09
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[HBASE-2730] Expose RS work queue contents on web UI - HBase - [issue]
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...Would be nice to be able to see the contents of the various work queues - eg to know what regions are pending compaction/split/flush/etc. This is handy for debugging why a region might be bl...
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http://issues.apache.org/jira/browse/HBASE-2730
Author: Todd Lipcon,
2013-01-15, 22:23
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