[jira] [Created] (HBASE-17842) Reference book - HBase application integration test is not correct

[Iraj Hedayati (JIRA)]

Iraj Hedayati created HBASE-17842:
-

 Summary: Reference book - HBase application integration test is 
not correct
 Key: HBASE-17842
 URL: https://issues.apache.org/jira/browse/HBASE-17842
 Project: HBase
  Issue Type: Bug
  Components: documentation
Reporter: Iraj Hedayati
Priority: Critical


The directions in the following section are not correct.

https://archive.cloudera.com/cdh5/cdh/5/hbase-1.2.0-cdh5.8.0/book.html#_integration_testing_with_an_hbase_mini_cluster

It is pointing to HBase 0.98.3 and `HBaseTestingUtility` can not be resolved in 
1.2.0



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Re: How threads interact with each other in HBase

[杨苏立 Yang Su Li]

The attachment can be found in the following URL:
http://pages.cs.wisc.edu/~suli/hbase.pdf

Sorry for the inconvenience...


On Mon, Mar 27, 2017 at 8:25 PM, Ted Yu  wrote:

> Again, attachment didn't come thru.
>
> Is it possible to formulate as google doc ?
>
> Thanks
>
> On Mon, Mar 27, 2017 at 6:19 PM, 杨苏立 Yang Su Li 
> wrote:
>
> > Hi,
> >
> > I am a graduate student working on scheduling on storage systems, and we
> > are interested in how different threads in HBase interact with each other
> > and how it might affect scheduling.
> >
> > I have written down my understanding on how HBase/HDFS works based on its
> > current thread architecture (attached). I am wondering if the developers
> of
> > HBase could take a look at it and let me know if anything is incorrect or
> > inaccurate, or if I have missed anything.
> >
> > Thanks a lot for your help!
> >
> > On Wed, Mar 22, 2017 at 3:39 PM, 杨苏立 Yang Su Li 
> > wrote:
> >
> >> Hi,
> >>
> >> I am a graduate student working on scheduling on storage systems, and we
> >> are interested in how different threads in HBase interact with each
> other
> >> and how it might affect scheduling.
> >>
> >> I have written down my understanding on how HBase/HDFS works based on
> its
> >> current thread architecture (attached). I am wondering if the
> developers of
> >> HBase could take a look at it and let me know if anything is incorrect
> or
> >> inaccurate, or if I have missed anything.
> >>
> >> Thanks a lot for your help!
> >>
> >> --
> >> Suli Yang
> >>
> >> Department of Physics
> >> University of Wisconsin Madison
> >>
> >> 4257 Chamberlin Hall
> >> Madison WI 53703
> >>
> >>
> >
> >
> > --
> > Suli Yang
> >
> > Department of Physics
> > University of Wisconsin Madison
> >
> > 4257 Chamberlin Hall
> > Madison WI 53703
> >
> >
>



-- 
Suli Yang

Department of Physics
University of Wisconsin Madison

4257 Chamberlin Hall
Madison WI 53703

[jira] [Resolved] (HBASE-17841) ServerCrashProcedure is not triggered when meta server with unflushed edits is aborted

[Ted Yu (JIRA)]

 [ 
https://issues.apache.org/jira/browse/HBASE-17841?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Ted Yu resolved HBASE-17841.

Resolution: Cannot Reproduce

The sample test didn't reflect setup for master branch where master hosts meta 
region.

> ServerCrashProcedure is not triggered when meta server with unflushed edits 
> is aborted
> --
>
> Key: HBASE-17841
> URL: https://issues.apache.org/jira/browse/HBASE-17841
> Project: HBase
>  Issue Type: Bug
>Affects Versions: 2.0
>Reporter: Ted Yu
> Attachments: 17841.tst
>
>
> When writing unit test for HBASE-17287, I noticed that the wait for master to 
> come down after hdfs enters safe mode times out (where meta server still has 
> unflushed edits).
> The same test in branch-1 passes fine.
> Looking at 
> org.apache.hadoop.hbase.master.procedure.TestSafemodeBringsDownMaster-output.txt
>  , I don't see occurrence of ServerCrashProcedure.
> While in branch-1, there is something similar to the following:
> {code}
>   at org.apache.hadoop.hdfs.DFSClient.rename(DFSClient.java:1661)
>   at 
> org.apache.hadoop.hdfs.DistributedFileSystem.rename(DistributedFileSystem.java:525)
>   at 
> org.apache.hadoop.hbase.master.MasterFileSystem.getLogDirs(MasterFileSystem.java:364)
>   at 
> org.apache.hadoop.hbase.master.MasterFileSystem.splitLog(MasterFileSystem.java:429)
>   at 
> org.apache.hadoop.hbase.master.MasterFileSystem.splitMetaLog(MasterFileSystem.java:343)
>   at 
> org.apache.hadoop.hbase.master.MasterFileSystem.splitMetaLog(MasterFileSystem.java:334)
>   at 
> org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure.processMeta(ServerCrashProcedure.java:351)
>   at 
> org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure.executeFromState(ServerCrashProcedure.java:239)
>   at 
> org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure.executeFromState(ServerCrashProcedure.java:73)
>   at 
> org.apache.hadoop.hbase.procedure2.StateMachineProcedure.execute(StateMachineProcedure.java:139)
>   at 
> org.apache.hadoop.hbase.procedure2.Procedure.doExecute(Procedure.java:506)
>   at 
> org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execProcedure(ProcedureExecutor.java:1152)
> {code}



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Re: How threads interact with each other in HBase

[Ted Yu]

Again, attachment didn't come thru.

Is it possible to formulate as google doc ?

Thanks

On Mon, Mar 27, 2017 at 6:19 PM, 杨苏立 Yang Su Li  wrote:

> Hi,
>
> I am a graduate student working on scheduling on storage systems, and we
> are interested in how different threads in HBase interact with each other
> and how it might affect scheduling.
>
> I have written down my understanding on how HBase/HDFS works based on its
> current thread architecture (attached). I am wondering if the developers of
> HBase could take a look at it and let me know if anything is incorrect or
> inaccurate, or if I have missed anything.
>
> Thanks a lot for your help!
>
> On Wed, Mar 22, 2017 at 3:39 PM, 杨苏立 Yang Su Li 
> wrote:
>
>> Hi,
>>
>> I am a graduate student working on scheduling on storage systems, and we
>> are interested in how different threads in HBase interact with each other
>> and how it might affect scheduling.
>>
>> I have written down my understanding on how HBase/HDFS works based on its
>> current thread architecture (attached). I am wondering if the developers of
>> HBase could take a look at it and let me know if anything is incorrect or
>> inaccurate, or if I have missed anything.
>>
>> Thanks a lot for your help!
>>
>> --
>> Suli Yang
>>
>> Department of Physics
>> University of Wisconsin Madison
>>
>> 4257 Chamberlin Hall
>> Madison WI 53703
>>
>>
>
>
> --
> Suli Yang
>
> Department of Physics
> University of Wisconsin Madison
>
> 4257 Chamberlin Hall
> Madison WI 53703
>
>

Re: How threads interact with each other in HBase

[杨苏立 Yang Su Li]

Hi,

I am a graduate student working on scheduling on storage systems, and we
are interested in how different threads in HBase interact with each other
and how it might affect scheduling.

I have written down my understanding on how HBase/HDFS works based on its
current thread architecture (attached). I am wondering if the developers of
HBase could take a look at it and let me know if anything is incorrect or
inaccurate, or if I have missed anything.

Thanks a lot for your help!

On Wed, Mar 22, 2017 at 3:39 PM, 杨苏立 Yang Su Li  wrote:

> Hi,
>
> I am a graduate student working on scheduling on storage systems, and we
> are interested in how different threads in HBase interact with each other
> and how it might affect scheduling.
>
> I have written down my understanding on how HBase/HDFS works based on its
> current thread architecture (attached). I am wondering if the developers of
> HBase could take a look at it and let me know if anything is incorrect or
> inaccurate, or if I have missed anything.
>
> Thanks a lot for your help!
>
> --
> Suli Yang
>
> Department of Physics
> University of Wisconsin Madison
>
> 4257 Chamberlin Hall
> Madison WI 53703
>
>


-- 
Suli Yang

Department of Physics
University of Wisconsin Madison

4257 Chamberlin Hall
Madison WI 53703

Re: [ANNOUNCE] - Welcome our new HBase committer Anastasia Braginsky

[Jerry He]

Congrats and welcome!

Jerry

[jira] [Created] (HBASE-17841) ServerCrashProcedure is not triggered when meta server with unflushed edits is aborted

[Ted Yu (JIRA)]

Ted Yu created HBASE-17841:
--

 Summary: ServerCrashProcedure is not triggered when meta server 
with unflushed edits is aborted
 Key: HBASE-17841
 URL: https://issues.apache.org/jira/browse/HBASE-17841
 Project: HBase
  Issue Type: Bug
Affects Versions: 2.0
Reporter: Ted Yu


When writing unit test for HBASE-17287, I noticed that the wait for master to 
come down after hdfs enters safe mode times out (where meta server still has 
unflushed edits).
The same test in branch-1 passes fine.

Looking at 
org.apache.hadoop.hbase.master.procedure.TestSafemodeBringsDownMaster-output.txt
 , I don't see occurrence of ServerCrashProcedure.

While in branch-1, there is something similar to the following:
{code}
  at org.apache.hadoop.hdfs.DFSClient.rename(DFSClient.java:1661)
  at 
org.apache.hadoop.hdfs.DistributedFileSystem.rename(DistributedFileSystem.java:525)
  at 
org.apache.hadoop.hbase.master.MasterFileSystem.getLogDirs(MasterFileSystem.java:364)
  at 
org.apache.hadoop.hbase.master.MasterFileSystem.splitLog(MasterFileSystem.java:429)
  at 
org.apache.hadoop.hbase.master.MasterFileSystem.splitMetaLog(MasterFileSystem.java:343)
  at 
org.apache.hadoop.hbase.master.MasterFileSystem.splitMetaLog(MasterFileSystem.java:334)
  at 
org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure.processMeta(ServerCrashProcedure.java:351)
  at 
org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure.executeFromState(ServerCrashProcedure.java:239)
  at 
org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure.executeFromState(ServerCrashProcedure.java:73)
  at 
org.apache.hadoop.hbase.procedure2.StateMachineProcedure.execute(StateMachineProcedure.java:139)
  at org.apache.hadoop.hbase.procedure2.Procedure.doExecute(Procedure.java:506)
  at 
org.apache.hadoop.hbase.procedure2.ProcedureExecutor.execProcedure(ProcedureExecutor.java:1152)
{code}



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[jira] [Created] (HBASE-17840) Update book

[Josh Elser (JIRA)]

Josh Elser created HBASE-17840:
--

 Summary: Update book
 Key: HBASE-17840
 URL: https://issues.apache.org/jira/browse/HBASE-17840
 Project: HBase
  Issue Type: Sub-task
Reporter: Josh Elser
Assignee: Josh Elser


Need to update the book to include the new feature.



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At this point, you can preview the changes by opening index.html or any of the 
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  git diff --stat origin/asf-site | grep -E '[1-9][0-9]{2,}'

When you are satisfied, publish your changes to origin/asf-site using these 
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INFRA bug
  git push origin asf-site-4b62a52ebcf401d872e6872cf25bdb4556758983:asf-site
  git checkout asf-site
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Changes take a couple of minutes to be propagated. You can verify whether they 
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[jira] [Resolved] (HBASE-17830) [C++] Test Util support for standlone HBase instance

[Enis Soztutar (JIRA)]

 [ 
https://issues.apache.org/jira/browse/HBASE-17830?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Enis Soztutar resolved HBASE-17830.
---
   Resolution: Fixed
Fix Version/s: HBASE-14850

Pushed this to branch. Thanks Sudeep. 

> [C++] Test Util support for standlone HBase instance
> 
>
> Key: HBASE-17830
> URL: https://issues.apache.org/jira/browse/HBASE-17830
> Project: HBase
>  Issue Type: Sub-task
>Reporter: Sudeep Sunthankar
>Assignee: Sudeep Sunthankar
> Fix For: HBASE-14850
>
> Attachments: HBASE-17830.HBASE-14850.v1.patch
>
>
> Running standalone instance was removed from TestUtil after introduction of 
> mini cluster. We are re-introducing methods to run a standalone instance if 
> reqd.



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  git fetch
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origin/asf-site
  git am --whitespace=fix 85fda44179c0afba74f52944ae9bb5a38266678c.patch

At this point, you can preview the changes by opening index.html or any of the 
other HTML pages in your local 
asf-site-85fda44179c0afba74f52944ae9bb5a38266678c branch.

There are lots of spurious changes, such as timestamps and CSS styles in 
tables, so a generic git diff is not very useful. To see a list of files that 
have been added, deleted, renamed, changed type, or are otherwise interesting, 
use the following command:

  git diff --name-status --diff-filter=ADCRTXUB origin/asf-site

To see only files that had 100 or more lines changed:

  git diff --stat origin/asf-site | grep -E '[1-9][0-9]{2,}'

When you are satisfied, publish your changes to origin/asf-site using these 
commands:

  git commit --allow-empty -m "Empty commit" # to work around a current ASF 
INFRA bug
  git push origin asf-site-85fda44179c0afba74f52944ae9bb5a38266678c:asf-site
  git checkout asf-site
  git branch -D asf-site-85fda44179c0afba74f52944ae9bb5a38266678c

Changes take a couple of minutes to be propagated. You can verify whether they 
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the site.



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Re: [ANNOUNCE] - Welcome our new HBase committer Anastasia Braginsky

[Enis Söztutar]

Congrats and welcome.

Enis

On Mon, Mar 27, 2017 at 9:23 AM, Stephen Jiang 
wrote:

> Great!  Congratulations and welcome to the team!
>
> Thanks
> Stephen
>
> On Mon, Mar 27, 2017 at 8:53 AM, Andrew Purtell 
> wrote:
>
> > Congratulations and welcome!
> >
> > > On Mar 27, 2017, at 5:37 AM, ramkrishna vasudevan <
> > ramkrishna.s.vasude...@gmail.com> wrote:
> > >
> > > Hi All
> > >
> > > Welcome Anastasia Braginsky, one more female committer to HBase. She
> has
> > > been active now for a while with her Compacting memstore feature and
> she
> > > along with Eshcar have done lot of talks in various meetups and
> HBaseCon
> > on
> > > their feature.
> > >
> > > Welcome onboard and looking forward to work with you Anastasia !!!
> > >
> > > Regards
> > > Ram
> >
>

Re: [ANNOUNCE] - Welcome our new HBase committer Anastasia Braginsky

[Stephen Jiang]

Great!  Congratulations and welcome to the team!

Thanks
Stephen

On Mon, Mar 27, 2017 at 8:53 AM, Andrew Purtell 
wrote:

> Congratulations and welcome!
>
> > On Mar 27, 2017, at 5:37 AM, ramkrishna vasudevan <
> ramkrishna.s.vasude...@gmail.com> wrote:
> >
> > Hi All
> >
> > Welcome Anastasia Braginsky, one more female committer to HBase. She has
> > been active now for a while with her Compacting memstore feature and she
> > along with Eshcar have done lot of talks in various meetups and HBaseCon
> on
> > their feature.
> >
> > Welcome onboard and looking forward to work with you Anastasia !!!
> >
> > Regards
> > Ram
>

Re: [ANNOUNCE] - Welcome our new HBase committer Anastasia Braginsky

[Andrew Purtell]

Congratulations and welcome!

> On Mar 27, 2017, at 5:37 AM, ramkrishna vasudevan 
>  wrote:
> 
> Hi All
> 
> Welcome Anastasia Braginsky, one more female committer to HBase. She has
> been active now for a while with her Compacting memstore feature and she
> along with Eshcar have done lot of talks in various meetups and HBaseCon on
> their feature.
> 
> Welcome onboard and looking forward to work with you Anastasia !!!
> 
> Regards
> Ram

Re: [ANNOUNCE] - Welcome our new HBase committer Anastasia Braginsky

[Sean Busbey]

Congrats Anastasia!



On Mon, Mar 27, 2017 at 7:37 AM, ramkrishna vasudevan
 wrote:
> Hi All
>
> Welcome Anastasia Braginsky, one more female committer to HBase. She has
> been active now for a while with her Compacting memstore feature and she
> along with Eshcar have done lot of talks in various meetups and HBaseCon on
> their feature.
>
> Welcome onboard and looking forward to work with you Anastasia !!!
>
> Regards
> Ram

Re: [ANNOUNCE] - Welcome our new HBase committer Anastasia Braginsky

[Chia-Ping Tsai]

Congrats and Welcome Anastasia!

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  cd hbase-site
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  git fetch
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  git am --whitespace=fix c77e2135db07b6417f5fea4577c2c7ae8d6d7008.patch

At this point, you can preview the changes by opening index.html or any of the 
other HTML pages in your local 
asf-site-c77e2135db07b6417f5fea4577c2c7ae8d6d7008 branch.

There are lots of spurious changes, such as timestamps and CSS styles in 
tables, so a generic git diff is not very useful. To see a list of files that 
have been added, deleted, renamed, changed type, or are otherwise interesting, 
use the following command:

  git diff --name-status --diff-filter=ADCRTXUB origin/asf-site

To see only files that had 100 or more lines changed:

  git diff --stat origin/asf-site | grep -E '[1-9][0-9]{2,}'

When you are satisfied, publish your changes to origin/asf-site using these 
commands:

  git commit --allow-empty -m "Empty commit" # to work around a current ASF 
INFRA bug
  git push origin asf-site-c77e2135db07b6417f5fea4577c2c7ae8d6d7008:asf-site
  git checkout asf-site
  git branch -D asf-site-c77e2135db07b6417f5fea4577c2c7ae8d6d7008

Changes take a couple of minutes to be propagated. You can verify whether they 
have been propagated by looking at the Last Published date at the bottom of 
http://hbase.apache.org/. It should match the date in the index.html on the 
asf-site branch in Git.

As a courtesy- reply-all to this email to let other committers know you pushed 
the site.



If failed, see https://builds.apache.org/job/hbase_generate_website/544/console

Re: [ANNOUNCE] - Welcome our new HBase committer Anastasia Braginsky

[Yu Li]

Congrats and Welcome!

Best Regards,
Yu

On 27 March 2017 at 20:57, ashish singhi  wrote:

> Congrats and Welcome!
>
> -Original Message-
> From: ramkrishna vasudevan [mailto:ramkrishna.s.vasude...@gmail.com]
> Sent: 27 March 2017 18:08
> To: dev@hbase.apache.org; u...@hbase.apache.org
> Subject: [ANNOUNCE] - Welcome our new HBase committer Anastasia Braginsky
>
> Hi All
>
> Welcome Anastasia Braginsky, one more female committer to HBase. She has
> been active now for a while with her Compacting memstore feature and she
> along with Eshcar have done lot of talks in various meetups and HBaseCon on
> their feature.
>
> Welcome onboard and looking forward to work with you Anastasia !!!
>
> Regards
> Ram
>

[jira] [Created] (HBASE-17839) "Data Model" section: Table 1 has only 5 data rows instead 6.

[Evgeny Kincharov (JIRA)]

Evgeny Kincharov created HBASE-17839:


 Summary: "Data Model" section: Table 1 has only 5 data rows 
instead 6.
 Key: HBASE-17839
 URL: https://issues.apache.org/jira/browse/HBASE-17839
 Project: HBase
  Issue Type: Bug
  Components: documentation
Affects Versions: 2.0.0
Reporter: Evgeny Kincharov
Priority: Trivial






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RE: [ANNOUNCE] - Welcome our new HBase committer Anastasia Braginsky

[ashish singhi]

Congrats and Welcome!

-Original Message-
From: ramkrishna vasudevan [mailto:ramkrishna.s.vasude...@gmail.com] 
Sent: 27 March 2017 18:08
To: dev@hbase.apache.org; u...@hbase.apache.org
Subject: [ANNOUNCE] - Welcome our new HBase committer Anastasia Braginsky

Hi All

Welcome Anastasia Braginsky, one more female committer to HBase. She has been 
active now for a while with her Compacting memstore feature and she along with 
Eshcar have done lot of talks in various meetups and HBaseCon on their feature.

Welcome onboard and looking forward to work with you Anastasia !!!

Regards
Ram

Successful: HBase Generate Website

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Build status: Successful

If successful, the website and docs have been generated. To update the live 
site, follow the instructions below. If failed, skip to the bottom of this 
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Use the following commands to download the patch and apply it to a clean branch 
based on origin/asf-site. If you prefer to keep the hbase-site repo around 
permanently, you can skip the clone step.

  git clone https://git-wip-us.apache.org/repos/asf/hbase-site.git

  cd hbase-site
  wget -O- 
https://builds.apache.org/job/hbase_generate_website/543/artifact/website.patch.zip
 | funzip > 04fc455037c3aa03e28c43aa2ca0668278501863.patch
  git fetch
  git checkout -b asf-site-04fc455037c3aa03e28c43aa2ca0668278501863 
origin/asf-site
  git am --whitespace=fix 04fc455037c3aa03e28c43aa2ca0668278501863.patch

At this point, you can preview the changes by opening index.html or any of the 
other HTML pages in your local 
asf-site-04fc455037c3aa03e28c43aa2ca0668278501863 branch.

There are lots of spurious changes, such as timestamps and CSS styles in 
tables, so a generic git diff is not very useful. To see a list of files that 
have been added, deleted, renamed, changed type, or are otherwise interesting, 
use the following command:

  git diff --name-status --diff-filter=ADCRTXUB origin/asf-site

To see only files that had 100 or more lines changed:

  git diff --stat origin/asf-site | grep -E '[1-9][0-9]{2,}'

When you are satisfied, publish your changes to origin/asf-site using these 
commands:

  git commit --allow-empty -m "Empty commit" # to work around a current ASF 
INFRA bug
  git push origin asf-site-04fc455037c3aa03e28c43aa2ca0668278501863:asf-site
  git checkout asf-site
  git branch -D asf-site-04fc455037c3aa03e28c43aa2ca0668278501863

Changes take a couple of minutes to be propagated. You can verify whether they 
have been propagated by looking at the Last Published date at the bottom of 
http://hbase.apache.org/. It should match the date in the index.html on the 
asf-site branch in Git.

As a courtesy- reply-all to this email to let other committers know you pushed 
the site.



If failed, see https://builds.apache.org/job/hbase_generate_website/543/console

Re: [ANNOUNCE] - Welcome our new HBase committer Anastasia Braginsky

[Anoop John]

Congrats and Welcome Anastasia !

-Anoop-

On Mon, Mar 27, 2017 at 6:07 PM, ramkrishna vasudevan
 wrote:
> Hi All
>
> Welcome Anastasia Braginsky, one more female committer to HBase. She has
> been active now for a while with her Compacting memstore feature and she
> along with Eshcar have done lot of talks in various meetups and HBaseCon on
> their feature.
>
> Welcome onboard and looking forward to work with you Anastasia !!!
>
> Regards
> Ram

[ANNOUNCE] - Welcome our new HBase committer Anastasia Braginsky

[ramkrishna vasudevan]

Hi All

Welcome Anastasia Braginsky, one more female committer to HBase. She has
been active now for a while with her Compacting memstore feature and she
along with Eshcar have done lot of talks in various meetups and HBaseCon on
their feature.

Welcome onboard and looking forward to work with you Anastasia !!!

Regards
Ram

[jira] [Resolved] (HBASE-17700) Release 1.2.5

[Sean Busbey (JIRA)]

 [ 
https://issues.apache.org/jira/browse/HBASE-17700?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Sean Busbey resolved HBASE-17700.
-
Resolution: Fixed

Announcement email sent to user@hbase, announce@apache, and dev@hbase.

> Release 1.2.5
> -
>
> Key: HBASE-17700
> URL: https://issues.apache.org/jira/browse/HBASE-17700
> Project: HBase
>  Issue Type: Task
>  Components: community
>Reporter: Sean Busbey
>Assignee: Sean Busbey
> Fix For: 1.2.5
>
>




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[ANNOUNCE] Apache HBase 1.2.5 is now available for download

[Sean Busbey]

The HBase team is happy to announce the immediate availability of Apache
HBase 1.2.5.

Apache HBase is an open-source, distributed, versioned, non-relational
database. Apache HBase gives you low latency random access to billions of
rows with millions of columns atop non-specialized hardware. To learn more
about HBase, see https://hbase.apache.org/.

HBase 1.2.5 is the latest maintenance release in the HBase 1.2 line,
continuing on the theme of bringing a stable, reliable database to the
Hadoop and NoSQL communities. This release includes over 50 resolved issues
since the 1.2.4 release.

Incompatibilities:

* HBASE-17725 There is an incompatible change to the LimitedPrivate API
  'RpcServiceInterface'. Apache Phoenix is not impacted.


Critical fixes include:

* HBASE-17069 RegionServer writes invalid META entries for split daughters
  in some circumstances
* HBASE-17044 Fix merge failed before creating merged region leaves meta
  inconsistent
* HBASE-17206 FSHLog may roll a new writer successfully with unflushed
  entries
* HBASE-16765 New SteppingRegionSplitPolicy, avoid too aggressive spread of
  regions for small tables.

The full list of issues can be found in the CHANGES.txt file included in
the release and online at:

https://s.apache.org/hbase-1.2.5-jira-releasenotes

Download through an ASF mirror near you:

https://www.apache.org/dyn/closer.lua/hbase/1.2.5

The relevant checksums files are available at:

https://www.apache.org/dist/hbase/1.2.5/hbase-1.2.5-src.tar.gz.mds
https://www.apache.org/dist/hbase/1.2.5/hbase-1.2.5-bin.tar.gz.mds

Project member signature keys can be found at

https://www.apache.org/dist/hbase/KEYS

PGP signatures are available at:

https://www.apache.org/dist/hbase/1.2.5/hbase-1.2.5-src.tar.gz.asc
https://www.apache.org/dist/hbase/1.2.5/hbase-1.2.5-bin.tar.gz.asc

For instructions on verifying ASF release downloads, please see

https://www.apache.org/dyn/closer.cgi#verify

Question, comments, and problems are always welcome at:
dev@hbase.apache.org.

Cheers,
The HBase Dev Team

[jira] [Created] (HBASE-17838) Replace fixed Executor Threads with dynamic thread pool

[Janos Gub (JIRA)]

Janos Gub created HBASE-17838:
-

 Summary: Replace fixed Executor Threads with dynamic thread pool 
 Key: HBASE-17838
 URL: https://issues.apache.org/jira/browse/HBASE-17838
 Project: HBase
  Issue Type: Sub-task
Reporter: Janos Gub
Assignee: Janos Gub






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[jira] [Created] (HBASE-17837) Backport HBASE-15314 to branch-1.3

[ramkrishna.s.vasudevan (JIRA)]

ramkrishna.s.vasudevan created HBASE-17837:
--

 Summary: Backport HBASE-15314 to branch-1.3
 Key: HBASE-17837
 URL: https://issues.apache.org/jira/browse/HBASE-17837
 Project: HBase
  Issue Type: Improvement
  Components: BucketCache
Affects Versions: 1.3.0
Reporter: ramkrishna.s.vasudevan
Assignee: ramkrishna.s.vasudevan
 Fix For: 1.3.1


Backport of HBASE-15314.



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