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Date: Mon, 4 Oct 2010 20:38:43 -0700
Message-ID: <AANLkTin4atCjw+uk2Z2T_jrp+n67EyPCvt3=3gO-KtPk@mail.gmail.com>
Subject: Re: [VOTE] Release 'development release' HBase 0.89.2010924 rc1?
From: Stack <stack@duboce.net>
To: dev@hbase.apache.org
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On Mon, Oct 4, 2010 at 4:56 PM, Ryan Rawson <ryanobjc@gmail.com> wrote:
> I ran ycsb on it for a while and it looked ok... but we really cant
> ship without the fix to that bug, it has the possibility of causing
> serious data loss for heavy users of ICV.
>

We can ship the DR though, right?  0.90.0RC1 is just around the corner!
St.Ack


> -ryan
>
> On Mon, Oct 4, 2010 at 3:41 PM, Jonathan Gray <jgray@facebook.com> wrote:
>> +1
>>
>> I took it for a test drive today and tested all the basic stuff. =A0No p=
erformance stuff but I think enough for my vote.
>>
>> JG
>>
>>> -----Original Message-----
>>> From: jdcryans@gmail.com [mailto:jdcryans@gmail.com] On Behalf Of Jean-
>>> Daniel Cryans
>>> Sent: Monday, October 04, 2010 10:56 AM
>>> To: dev@hbase.apache.org
>>> Subject: Re: [VOTE] Release 'development release' HBase 0.89.2010924
>>> rc1?
>>>
>>> My vote is obviously +1, although we hit a bug this weekend regarding
>>> HBASE-3008 (for which we'll post a patch soon). Over time, the
>>> memstore size of regions with ICVs grows negative, which means that
>>> those regions can't flush and when you close them you basically lose
>>> all the data since the last flush (since on close it won't flush
>>> either). We solved this by disabling ICVs to those tables (basically
>>> setting the async ICV queues in the thrift servers to -1), copied the
>>> data to another cluster, restarted the cluster with the fix,
>>> re-imported the data, then re-enabled the ICVs.
>>>
>>> I don't think this is a blocker for a DR, as it only affects users
>>> doing only tons of ICVs on particular tables, but it should be
>>> disclosed somewhere.
>>>
>>> J-D
>>>
>>> On Fri, Sep 24, 2010 at 4:03 PM, Jean-Daniel Cryans
>>> <jdcryans@apache.org> wrote:
>>> > The 0.89.20100830 DR branch was cancelled, here's the new RC off a
>>> new branch.
>>> >
>>> > As discussed, this release candidate contains a revert of HBASE-2694
>>> > which means that it is back on the "very" old master. It is also very
>>> > similar to what we run here in production.
>>> >
>>> > Sources and binaries can be found here:
>>> >
>>> > http://people.apache.org/~jdcryans/hbase-0.89.20100924-candidate-1/
>>> >
>>> > Documentation:
>>> >
>>> > http://people.apache.org/~jdcryans/hbase-0.89.20100924-candidate-
>>> 1/hbase-0.89.20100924/docs/
>>> >
>>> > Here's the list of everything I added since moving from 0830:
>>> >
>>> > =A0HBASE-3008 =A0Memstore.updateColumnValue passes wrong flag to
>>> heapSizeChange
>>> > =A0HBASE-3035 =A0Bandaid for HBASE-2990
>>> > =A0HBASE-2643 =A0Figure how to deal with eof splitting logs
>>> > =A0HBASE-2941 =A0port HADOOP-6713 - threading scalability for RPC rea=
ds -
>>> to HBase
>>> > =A0HBASE-3006 =A0Reading compressed HFile blocks causes way too many =
DFS
>>> RPC calls
>>> > =A0 =A0 =A0 =A0 =A0 =A0 severly impacting performance
>>> > =A0HBASE-2989 =A0[replication] RSM won't cleanup after locking if 0 p=
eers
>>> > =A0HBASE-2992 =A0[replication] MalformedObjectNameException in
>>> ReplicationMetrics
>>> > =A0HBASE-3034 =A0Revert the regions assignment part of HBASE-2694 (an=
d
>>> > pals) for 0.89
>>> > =A0HBASE-3033 =A0[replication] ReplicationSink.replicateEntries
>>> improvements
>>> > =A0HBASE-2997 =A0Performance fixes - profiler driven
>>> > =A0HBASE-2889 =A0Tool to look at HLogs -- parse and tail -f (patch #2
>>> only)
>>> >
>>> > Unfortunately I forgot to add HBASE-2986 like Stack asked (sorry, I
>>> > just figured it while reading the old voting thread).
>>> >
>>> > Should we release this as the next "Development Release"? Please cast
>>> > your vote by Wednesday, September 29th.
>>> >
>>> > Thanks,
>>> >
>>> > The HBase Team
>>> >
>>
>