dev@hbase.apache.org discussions for January 2014

36	DISCUSSION: 1.0.0

Andrew is talking of the first 0.98RC being imminent. Time to start in on the release that will follow 0.98.x. We seem to all be good with calling it 1.0.0. Speak up if you think different. (I just ...

Michael Stack
Jan 2, 2014 at 7:26 pm
Mar 3, 2014 at 6:14 am

28	Re: Design review: Secondary index support through coprocess

Could you explain how the 1-1 association between user and index table regions is maintained. I wasn't able to understand fully from the document. ----- Original Message ----- From: Ted Yu <<span ...

Sudarshan Kadambi (BLOOMBERG/ 731 LEXIN)
Jan 9, 2014 at 1:58 pm
Jan 23, 2014 at 10:46 am

23	HBase 0.94.15: writes stalls periodically even under moderate steady load (AWS EC2)

This is something which needs to be definitely solved/fixed/resolved I am running YCSB benchmark on aws ec2 on a small HBase cluster 5 (m1.xlarge) as RS 1 (m1.xlarge) hbase-master, zookeper Whirr ...

Vladimir Rodionov
Jan 15, 2014 at 8:34 pm
Jan 17, 2014 at 7:11 pm

20	help needed towards connecting Hbase

Hi all, I'm writing simple java program to connect to HBase. Versions of software used Hbase 0.96.0-hadoop2 Hadoop:hadoop-2.2.0. I'm trying to connect from my windows 7 (32 bit)machine to oracle ...

Jeevi tesh
Jan 31, 2014 at 7:52 am
Feb 3, 2014 at 7:32 am

14	Are we no longer giving credit in SVN commit messages?

I see some committers are continuing the informal practice we've had of attribution in parenthesis after the issue description if the work is not your own, e.g. HBASE-XXXX. JIRA title goes here ...

Andrew Purtell
Jan 21, 2014 at 12:37 am
Jan 21, 2014 at 9:21 pm

12	Re: Tablesplit.getLength returns 0

I talked with guy who worked on this and he said our production issue was probably not directly caused by getLength() returning 0. Anyway, we are interested in fixing that, estimating length from ...

Lukas Nalezenec
Jan 30, 2014 at 8:59 am
Feb 6, 2014 at 10:35 pm

12	Re: [VOTE] The 1st HBase 0.98.0 release candidate is available for download

My initial reaction to that is -0, but I don't think it holds up .0, just charts out work needed for .1. When developing on trunk we looked at the deltas between trunk and trunk+changes, not between ...

Andrew Purtell
Jan 25, 2014 at 11:14 pm
Jan 28, 2014 at 1:29 am

11	[PROPOSAL] HBASE-10070 branch

Hi, I just wanted to give some updates on the HBASE-10070 efforts from the technical side, and development side, and propose a branch. From the technical side: The changes for region replicas phase 1 ...

Enis Söztutar
Jan 15, 2014 at 8:45 am
Jan 16, 2014 at 2:29 am

9	HBase Consistency guarantees

Dear All, I am interested in Quality of Consistency guarantees for Distributed Cloud Storage. For that, I have been understanding and working on the HBase architecture, mainly replication, since the ...

Álvaro Recuero
Jan 31, 2014 at 11:08 pm
Feb 20, 2014 at 1:40 pm

9	[VOTE] The 1st hbase 0.94.16 release candidate is available for download

The 1st 0.94.16 RC is available for download at http://people.apache.org/~larsh/hbase-0.94.16-rc0/ Signed with my code signing key: C7CFE328 HBase 0.94.16 is a bug fix release: [HBASE-10257] - [0.94] ...

Lars hofhansl
Jan 11, 2014 at 12:43 am
Jan 17, 2014 at 4:54 pm

7	StoreScanner created for memstore flush should be bothered about updated readers?

Hi All In case of flush we create a memstore flusher which in turn creates a StoreScanner backed by a Single ton MemstoreScanner. But this scanner also registers for any updates in the reader in the ...

Ramkrishna vasudevan
Jan 30, 2014 at 7:49 pm
Jan 31, 2014 at 7:16 pm

7	Tagging 0.98.0 RC1 tomorrow

We seem to be experiencing another extended JIRA outage in the middle of the workday in my timezone. As far as I can tell there is at least one unresolved critical issue (HBASE-10436). Also, I have ...

Andrew Purtell
Jan 29, 2014 at 1:55 am
Jan 29, 2014 at 9:57 pm

7	Re: 1.5.0-SNAPSHOT conflicting with hbase-proto 0.96.x

Yes, I just ran into the same issue. Sigh. I guess one workaround is to try to make AsyncHBase's jar show up first on the class path, although that's not always as easy to do as it might sound. I'm ...

Tsuna
Jan 27, 2014 at 2:37 am
Jan 28, 2014 at 5:13 pm

7	unable to create JIRA

Hi, In the past hour I tried 3 times in creating a JIRA. For the last two attempts, I got: Error creating issue: Indexing completed with 1 errors Has anyone got similar error ? Thanks

Ted Yu
Jan 23, 2014 at 3:40 am
Jan 23, 2014 at 5:33 pm

7	Committing bug and test fixes to branches

We currently have 4 branches (0.94, 0.96, 0.98, and trunk). For bug and test fixes, do we really need the release managers to agree to every single check-in. Andy currently wants to stabilize the ...

Lars hofhansl
Jan 3, 2014 at 11:09 pm
Jan 6, 2014 at 11:13 pm

5	I didn't see a job on builds.apache.org for HBase 0.94 on Hadoop 2

... so I set one up: https://builds.apache.org/job/HBase-0.94-on-Hadoop-2/ -- Best regards, - Andy Problems worthy of attack prove their worth by hitting back. - Piet Hein (via Tom White)

Andrew Purtell
Jan 16, 2014 at 9:27 pm
Jan 17, 2014 at 12:08 am

5	Re: Rebuild HBASE Table to reduce Regions per RS

I have never tried this before but I think the following should work: 1. Alter your table: habse alter 't1', METHOD = 'table_att', MAX_FILESIZE = '5000000000' (place your own number here) 2. Merge ...

Vladimir Rodionov
Jan 14, 2014 at 6:40 pm
Jan 14, 2014 at 9:00 pm

5	1.0 and cleaning up the APIs

Hi. I was wondering if we intend to release 1.0 as compatible version with 0.96 and 0.98. I would assume so.. If so, then after 1.0, or if not then maybe even for 1.0, to have the first proper ...

Sergey Shelukhin
Jan 10, 2014 at 1:44 am
Jan 13, 2014 at 9:30 pm

5	RC for 0.94.16

Hi all. I would like to do 0.94.16 a bit sooner - this week or early next week - due to HBASE-8912 [0.94] AssignmentManager throws IllegalStateException from PENDING_OPEN to OFFLINE (which causes ...

Lars hofhansl
Jan 8, 2014 at 11:51 pm
Jan 9, 2014 at 10:33 am

4	Re: Sporadic memstore slowness for Read Heavy workloads

Hi lars, Thanks for the background. It seems that for our case, we will have to consider some solution like the Facebook one, since the next column is always the next one - this can be a simple ...

Varun Sharma
Jan 28, 2014 at 5:37 am
Jan 28, 2014 at 5:49 pm

4	Re: [VOTE] The 1st HBase 0.98.0 release candidate is available for download

Probably not related to this RC specifically. I tried to upgrade my HBase 0.94 data to 0.98. The first time I started HBase the master died, because I did not confiure short circuit reads correctly ...

Lars hofhansl
Jan 25, 2014 at 9:23 pm
Jan 25, 2014 at 10:18 pm

4	Issue in HBASE setup

Hi, Getting following error on issue of any command in hbase “error org.apache.hadoop.security.jniBasedUnixGroupsMapping.anchorNative”. The moment I issue command start-hbase.sh Getting following ...

Jeevi tesh
Jan 16, 2014 at 7:55 am
Jan 16, 2014 at 5:36 pm

3	Please don't delete old versions, it hurts Homebrew users

Please keep all version downloads in one place, so that Homebrew install formulas can continue to work. https://github.com/Homebrew/homebrew/issues/25601#issuecomment-31462543 The unnecessary ...

Andrew Pennebaker
Jan 2, 2014 at 4:22 pm
Jan 2, 2014 at 7:43 pm

2	Re: Balancer switch runs causing problems

In HMaster#balance(), we have (same for 0.94 and 0.96): for (RegionPlan plan: plans) { LOG.info("balance " + plan); Do you see such log in master log ?

Ted Yu
Jan 28, 2014 at 3:38 am
Jan 28, 2014 at 5:35 am

2	Re: Sporadic memstore slowness for Read Heavy workloads

Here is the hotthread result. The line in bold is "SEEK_NEXT_COL" and it degenerates to a reseek+skiplist lookup when it does not have to because we already seeked to the row and getting all the ...

Varun Sharma
Jan 26, 2014 at 9:26 pm
Jan 26, 2014 at 9:56 pm

2	Tablesplit.getLength returns 0

Interesting question here: https://issues.apache.org/jira/browse/HBASE-10413 public long getLength() { // Not clear how to obtain this... seems to be used only for sorting splits return 0; } I did ...

Jean-Marc Spaggiari
Jan 24, 2014 at 4:38 pm
Jan 24, 2014 at 7:55 pm

2	unable to log into reviews.apache.org

Hi, I requested password reset. After entering new password, I went to login page using new password but was told that: Please enter a correct username and password. Note that both fields are ...

Ted Yu
Jan 12, 2014 at 5:18 pm
Jan 13, 2014 at 12:54 am

2	duplicate servlet-api jars in hbase 0.96.0

In the lib folder in HBase 0.96.0 tarball we have this: [biadmin@hdtest009 lib]$ ls -l jsp-api* -rw-rw-r-- 1 biadmin biadmin 134910 Sep 17 01:13 jsp-api-2.1-6.1.14.jar -rw-rw-r-- 1 biadmin biadmin ...

Jerry He
Jan 9, 2014 at 10:50 pm
Jan 10, 2014 at 7:30 pm

2	OOMERegionServer

Hi, I came across this class (in trunk): hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/OOMERegionServer.java I don't see where OOMERegionServer is used. Does someone know ? Thanks

Ted Yu
Jan 7, 2014 at 5:41 am
Jan 7, 2014 at 3:13 pm

2	multi() contract or lack thereof

Hi. Looking at code, the way multi currently works is that either the entire thing fails with an exception, or multiresponse is returned with exactly one result/exception per action in multiaction, ...

Sergey Shelukhin
Jan 6, 2014 at 11:33 pm
Jan 6, 2014 at 11:55 pm

1	Rolling a 0.96.2 start of next week

Um. Yes. 0.96.2 (Thanks V). St.Ack On Sat, Jan 25, 2014 at 3:14 PM, Vladimir Rodionov wrote:

Michael Stack
Jan 26, 2014 at 12:48 am
Feb 5, 2014 at 4:39 am

1	[VOTE] The 2nd HBase 0.98.0 release candidate is available for download

The 2nd HBase 0.98.0 release candidate (RC1) is available for download at http://people.apache.org/~apurtell/0.98.0RC1/ and Maven artifacts are also available in the temporary repository ...

Andrew Purtell
Jan 30, 2014 at 4:01 am
Jan 31, 2014 at 6:09 pm

1	[jira] [Created] (HBASE-10441) [docs] nit default max versions is now 1 instead of 3 after HBASE-8450

Jonathan Hsieh created HBASE-10441: -------------------------------------- Summary: [docs] nit default max versions is now 1 instead of 3 after HBASE-8450 Key: HBASE-10441 URL ...

Jonathan Hsieh (JIRA)
Jan 30, 2014 at 1:07 am
Jan 30, 2014 at 1:13 am

1	When there is a hole, loadincrementalhfiles will take a long time.

I check the hdfs filesystem,and found that it would create _tmp folder circularly. [cid:<span class="m_body_email_addr" title="e0186188f0e210110f55be1d3d478150" image001.png@01cf1c48.78da01d0</span ]

Yuanxinen
Jan 28, 2014 at 3:16 pm
Jan 28, 2014 at 4:02 pm

1	[jira] [Reopened] (HBASE-2706) Use heuristics to adjust various parameters based on load characteristics

[ https://issues.apache.org/jira/browse/HBASE-2706?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ted Yu reopened HBASE-2706: --------------------------- -- This message was sent ...

Ted Yu (JIRA)
Jan 27, 2014 at 1:46 am
Jan 27, 2014 at 1:46 am

1	Rolling a 0.92.2 start of next week

Speak up if you need to have something included. Thanks, St.Ack

Michael Stack
Jan 25, 2014 at 11:02 pm
Jan 25, 2014 at 11:14 pm

1	[jira] [Created] (HBASE-10420) Replace KV.getBuffer with KV.get{Row\|Family\|Qualifier\|Value\|Tags}Array

Lars Hofhansl created HBASE-10420: ------------------------------------- Summary: Replace KV.getBuffer with KV.get{Row|Family|Qualifier|Value|Tags}Array Key: HBASE-10420 URL ...

Lars Hofhansl (JIRA)
Jan 25, 2014 at 9:56 pm
Jan 25, 2014 at 10:02 pm

1	[jira] [Reopened] (HBASE-10409) Allow config options related to zookeeper to be passed to IntegrationTestsDriver

[ https://issues.apache.org/jira/browse/HBASE-10409?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Ted Yu reopened HBASE-10409: ---------------------------- -- This message was ...

Ted Yu (JIRA)
Jan 24, 2014 at 5:29 am
Jan 24, 2014 at 5:29 am

1	[ANNOUNCE] HBase 0.94.16 is available for download

The HBase Team is pleased to announce the immediate release of HBase 0.94.16. Download it from your favorite Apache mirror [1]. This release has also been pushed to Apache's maven repository. All ...

Lars hofhansl
Jan 21, 2014 at 1:31 am
Jan 21, 2014 at 5:21 am

1	Fwd: Where are we in ZOOKEEPER-1416

What is going on with this thread over on dev@zookeeper? Bringing it to the attention of people over here. ---------- Forwarded message ---------- From: Ted Dunning <<span class="m_body_email_addr" ...

Andrew Purtell
Jan 17, 2014 at 10:54 pm
Jan 18, 2014 at 4:07 am

1	hbase pull request: 0.98

GitHub user yuchao86 opened a pull request: https://github.com/apache/hbase/pull/7 0.98 add the ACID support in HBase... You can merge this pull request into a Git repository by running: $ git pull ...

Yuchao86
Jan 17, 2014 at 6:31 am
Jan 17, 2014 at 10:09 am

1	[jira] [Reopened] (HBASE-10263) make LruBlockCache single/multi/in-memory ratio user-configurable and provide preemptive mode for in-memory type block

[ https://issues.apache.org/jira/browse/HBASE-10263?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Liang Xie reopened HBASE-10263: ------------------------------- reopen to ...

Liang Xie (JIRA)
Jan 11, 2014 at 1:29 am
Jan 11, 2014 at 1:31 am

1	[jira] [Created] (HBASE-10286) Revert HBASE-9593, breaks wildcard addresses

Lars Hofhansl created HBASE-10286: ------------------------------------- Summary: Revert HBASE-9593, breaks wildcard addresses Key: HBASE-10286 URL: https://issues.apache.org/jira/browse/HBASE-10286 ...

Lars Hofhansl (JIRA)
Jan 6, 2014 at 11:05 pm
Jan 6, 2014 at 11:13 pm

0	[jira] [Created] (HBASE-10450) setMinTimestamp in Thrift client

Yi Deng created HBASE-10450: ------------------------------- Summary: setMinTimestamp in Thrift client Key: HBASE-10450 URL: https://issues.apache.org/jira/browse/HBASE-10450 Project: HBase Issue ...

Yi Deng (JIRA)
Jan 31, 2014 at 11:12 pm
Jan 31, 2014 at 11:12 pm

0	[jira] [Created] (HBASE-10449) Wrong execution pool configuration in HConnectionManager

Nicolas Liochon created HBASE-10449: --------------------------------------- Summary: Wrong execution pool configuration in HConnectionManager Key: HBASE-10449 URL ...

Nicolas Liochon (JIRA)
Jan 31, 2014 at 7:00 pm
Jan 31, 2014 at 7:00 pm

0	[jira] [Resolved] (HBASE-10444) NPE seen in logs at tail of fatal shutdown

[ https://issues.apache.org/jira/browse/HBASE-10444?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Andrew Purtell resolved HBASE-10444. ------------------------------------ ...

Andrew Purtell (JIRA)
Jan 31, 2014 at 6:32 pm
Jan 31, 2014 at 6:32 pm

0	[jira] [Created] (HBASE-10448) ZKUtil create and watch methods don't set watch in some cases

Jerry He created HBASE-10448: -------------------------------- Summary: ZKUtil create and watch methods don't set watch in some cases Key: HBASE-10448 URL ...

Jerry He (JIRA)
Jan 31, 2014 at 6:26 pm
Jan 31, 2014 at 6:26 pm

0	[jira] [Created] (HBASE-10447) Memstore flusher scans storefiles also when the scanner heap gets reset

ramkrishna.s.vasudevan created HBASE-10447: ---------------------------------------------- Summary: Memstore flusher scans storefiles also when the scanner heap gets reset Key: HBASE-10447 URL ...

ramkrishna.s.vasudevan (JIRA)
Jan 31, 2014 at 9:22 am
Jan 31, 2014 at 9:22 am

0	[jira] [Reopened] (HBASE-10445) TestRegionObserverInterface occasionally times out

[ https://issues.apache.org/jira/browse/HBASE-10445?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Andrew Purtell reopened HBASE-10445: ------------------------------------ -- ...

Andrew Purtell (JIRA)
Jan 31, 2014 at 1:52 am
Jan 31, 2014 at 1:52 am

0	[jira] [Resolved] (HBASE-10445) TestRegionObserverInterface occasionally times out

[ https://issues.apache.org/jira/browse/HBASE-10445?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Andrew Purtell resolved HBASE-10445. ------------------------------------ ...

Andrew Purtell (JIRA)
Jan 31, 2014 at 1:05 am
Jan 31, 2014 at 1:05 am

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