Grokbase Groups HBase dev August 2011
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102 discussions - 355 posts

  • See <https://builds.apache.org/job/hbase-0.90/278/changes Changes: [tedyu] HBASE-4269 Add tests and restore semantics to TableInputFormat/TableRecordReader (Jonathan Hsieh) ...
    Apache Jenkins ServerApache Jenkins Server
    Aug 30, 2011 at 2:41 pm
    Sep 2, 2011 at 3:10 am
  • See <https://builds.apache.org/job/HBase-TRUNK/2115/changes Changes: [tedyu] HBASE-4197 RegionServer expects all scanner to be subclasses of HRegion.RegionScanner (Lars Hofhansl) ...
    Apache Jenkins ServerApache Jenkins Server
    Aug 16, 2011 at 1:18 am
    Aug 16, 2011 at 3:01 pm
  • Hey folks. Some time over the last three years working on Hadoop and HBase I've turned from a fun loving youth into a grumpy old man. So here are two grumpy requests I've been thinking about of late, ...
    Todd LipconTodd Lipcon
    Aug 9, 2011 at 8:53 pm
    Aug 16, 2011 at 3:57 am
  • Hi, Due to lack of coordination, HBASE-1730 and HBASE-4213 try to implement the same feature at roughly the same pace. I want to hear your opinion on how we should plan to move forward with these two ...
    Ted YuTed Yu
    Aug 18, 2011 at 11:24 pm
    Aug 19, 2011 at 4:17 pm
  • Hi, I run TestRollingRestart(0.90.3), it fails occasionally. The failing log shows that split log runs in to a circle, the recoverFileLease fail and the while() never end and the test timeout and ...
    ZhoushuaifengZhoushuaifeng
    Aug 10, 2011 at 2:10 am
    Aug 17, 2011 at 2:03 am
  • Hi, You may have noticed unit test failures with message similar to the following: testInfoServersRedirect(org.apache.hadoop.hbase.TestInfoServers): Cannot lock storage ...
    Ted YuTed Yu
    Aug 8, 2011 at 4:18 pm
    Aug 8, 2011 at 11:26 pm
  • Chatted on IRC with Stack & a couple others. We would like to host a Hackathon + Meetup on August 22 at Facebook in Palo Alto. All welcome. Unless objection, I'll put up a posting on meetup.com. The ...
    Nicolas SpiegelbergNicolas Spiegelberg
    Aug 4, 2011 at 8:50 pm
    Aug 5, 2011 at 3:58 am
  • See <https://builds.apache.org/job/hbase-0.90/273/ ------------------------------------------ [...truncated 1088 lines...] Running org.apache.hadoop.hbase.regionserver.TestColumnSeeking Tests run: 2, ...
    Apache Jenkins ServerApache Jenkins Server
    Aug 25, 2011 at 3:53 pm
    Aug 27, 2011 at 7:41 pm
  • See <https://builds.apache.org/job/HBase-TRUNK-on-Hadoop-23/1/ ------------------------------------------ [...truncated 4722 lines...] Running org.apache.hadoop.hbase.regionserver.TestKeyValueHeap ...
    Apache Jenkins ServerApache Jenkins Server
    Aug 24, 2011 at 4:45 am
    Aug 27, 2011 at 3:32 am
  • First of i had problem with .META. table, shell and thrift said that i dont have this table, but hbase operating almost normal and all regions were online, but i cannot make ICV, so i had stoped ...
    Sebastian BauerSebastian Bauer
    Aug 11, 2011 at 6:56 pm
    Aug 19, 2011 at 7:15 am
  • Hi, I have pasted the code below for HConnectionManager.getConnection public static HConnection getConnection(Configuration conf) throws ZooKeeperConnectionException { HConnectionKey connectionKey = ...
    Akash AshokAkash Ashok
    Aug 23, 2011 at 6:46 pm
    Aug 25, 2011 at 9:24 am
  • Good on you Doug! St.Ack
    StackStack
    Aug 8, 2011 at 9:00 pm
    Aug 8, 2011 at 9:29 pm
  • See <https://builds.apache.org/job/HBase-TRUNK/2066/changes Changes: [tedyu] HBASE-4148 HFileOutputFormat doesn't fill in TIMERANGE_KEY metadata (Jonathan Hsieh) ...
    Apache Jenkins ServerApache Jenkins Server
    Aug 2, 2011 at 4:29 am
    Aug 2, 2011 at 3:11 pm
  • Hi, I am sorry if this question has been resolved before. Thank you for your help. I am seeing really strange behavior with HBase Scan. I insert 1 row into a table named test, 1 col family named ...
    Neerja BhatnagarNeerja Bhatnagar
    Aug 30, 2011 at 12:10 am
    Aug 30, 2011 at 6:39 am
  • Hi, A big portion of review is on removing trailing whitespace in patch. I think contributors can help reduce the amount of time spent in this trivial task. The following description is for Mac OS X, ...
    Ted YuTed Yu
    Aug 27, 2011 at 1:51 pm
    Aug 28, 2011 at 4:56 am
  • As part of fixing 3229, I have some questions about usage scenarios of coprocessor in table operations, e.g., MasterObserver::preEnableTable, etc. 1. Operations like preAddColumn, etc. don't honor ...
    Ma, MingMa, Ming
    Aug 24, 2011 at 7:22 am
    Aug 27, 2011 at 7:09 am
  • See <https://builds.apache.org/job/HBase-TRUNK/2135/ ------------------------------------------ Started by an SCM change Building remotely on ubuntu3 hudson.util.IOException2: remote file operation ...
    Apache Jenkins ServerApache Jenkins Server
    Aug 24, 2011 at 6:21 am
    Aug 25, 2011 at 10:24 am
  • Hi, In the HBase book Architecture - Storage - Overview Its quoted that " The HRegionServer opens the region and creates a corresponding HRegion object. When the HRegion is opened it sets up a ...
    Akash AshokAkash Ashok
    Aug 22, 2011 at 6:05 am
    Aug 23, 2011 at 6:15 am
  • Hi all, I think we still have a hole in the RIT graph... I get messages like this in my RS: 2011-08-08 04:17:48,469 WARN org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler: Attempted open ...
    Ryan RawsonRyan Rawson
    Aug 8, 2011 at 4:22 am
    Aug 11, 2011 at 1:43 am
  • See <https://builds.apache.org/job/HBase-TRUNK/2095/changes Changes: [stack] HBase shell move and online may be unusable if region name or server includes binary-encoded data [stack] HBASE-4169 ...
    Apache Jenkins ServerApache Jenkins Server
    Aug 9, 2011 at 1:47 am
    Aug 9, 2011 at 4:08 pm
  • Hi Everyone, In HBase we try to recover the HLog file and then immediately proceed with read operation. As the recovery is an asynchronous operation recoverLease call will return immediately and may ...
    LaxmanLaxman
    Aug 1, 2011 at 11:33 am
    Aug 5, 2011 at 4:22 am
  • I do some test and find that the scan performance getting worse after I setting the TTL of a table. Is there any explain to this? Or TTL is not the case, there may be other reason of the worse ...
    ZhoushuaifengZhoushuaifeng
    Aug 1, 2011 at 1:38 am
    Aug 4, 2011 at 12:55 am
  • FWIW, Stack has already done the work needed to make sure that Hbase works with Hadoop 0.22 branch, and I suppose if https://issues.apache.org/jira/browse/MAPREDUCE-2767 is committed, it removes the ...
    Milind BhandarkarMilind Bhandarkar
    Aug 31, 2011 at 10:07 pm
    Sep 2, 2011 at 2:57 am
  • See <https://builds.apache.org/job/HBase-TRUNK/2158/changes Changes: [stack] HBASE-4124 ZK restarted while a region is being assigned, new active HM re-assigns it but the RS warns 'already online on ...
    Apache Jenkins ServerApache Jenkins Server
    Aug 29, 2011 at 9:06 pm
    Aug 30, 2011 at 11:39 pm
  • Would it make sense to have all HTables share a single thread pool, and possibly use org.apache.hadoop.hbase.util.ShardedBlockingQueue instead of SynchronousQueue (trunk) and instead of ...
    Charles ThayerCharles Thayer
    Aug 26, 2011 at 2:23 pm
    Aug 26, 2011 at 4:08 pm
  • See <https://builds.apache.org/job/HBase-TRUNK/2138/ ------------------------------------------ [...truncated 1806 lines...] Running org.apache.hadoop.hbase.coprocessor.TestCoprocessorInterface Tests ...
    Apache Jenkins ServerApache Jenkins Server
    Aug 24, 2011 at 3:31 pm
    Aug 25, 2011 at 3:18 am
  • See <https://builds.apache.org/job/HBase-TRUNK/2131/changes Changes: [tedyu] HBASE-4239 HBASE-4012 introduced duplicate variable Bytes.LONG_BYTES [tedyu] HBASE-4199 blockCache summary - backend (Doug ...
    Apache Jenkins ServerApache Jenkins Server
    Aug 23, 2011 at 4:23 pm
    Aug 24, 2011 at 2:20 am
  • See <https://builds.apache.org/job/HBase-TRUNK/2122/changes Changes: [stack] HBASE-4211 Do init-sizing of the StringBuilder making a ServerName ------------------------------------------ ...
    Apache Jenkins ServerApache Jenkins Server
    Aug 17, 2011 at 5:58 pm
    Aug 19, 2011 at 6:16 am
  • Jacek / Pi: I hope you two can discuss the implications of Jacek's proposal in HBASE-4218 w.r.t. Pi's current work in HBASE-4027. Agreeing on the access pattern is an important aspect. Cheers
    Ted YuTed Yu
    Aug 17, 2011 at 7:41 pm
    Aug 17, 2011 at 8:05 pm
  • Hi All, The scenario is while opening META region the master goes down and the state in zookeeper is RS_OPENING for META. Now when the master comes up it will process the RIT. Here master has to wait ...
    Ramkrishna S VasudevanRamkrishna S Vasudevan
    Aug 12, 2011 at 6:32 am
    Aug 16, 2011 at 6:33 am
  • Hi, We have a skip list set called regionsInTransitionnRS where we try to maintain a list to know the currently processing regions for closing and opening. In open region handler we are trying to ...
    Ramkrishna S VasudevanRamkrishna S Vasudevan
    Aug 10, 2011 at 11:29 am
    Aug 10, 2011 at 3:16 pm
  • See <https://builds.apache.org/job/HBase-TRUNK/2100/changes Changes: [stack] HBASE-4181 HConnectionManager can't find cached HRegionInterface and makes clients work very slow ...
    Apache Jenkins ServerApache Jenkins Server
    Aug 9, 2011 at 7:15 pm
    Aug 10, 2011 at 2:56 am
  • Hello, I see that running HBase unit tests (mvn test) takes long time. Has anyone tried running few in parallel. I know some tests creates data directories and tables which prohibit from running them ...
    LohitLohit
    Aug 9, 2011 at 4:47 pm
    Aug 9, 2011 at 7:00 pm
  • Hi, I was going thru the heapSize() method in the class KeyValue and i couldn't seem to understand a few things which are in bold below private byte [] bytes = null; private int offset = 0; private ...
    Akash AshokAkash Ashok
    Aug 1, 2011 at 5:02 am
    Aug 1, 2011 at 5:27 am
  • Not sure which email list this goes to, but somebody requested these. https://docs.google.com/present/view?id=d23xkzr_55hgnvngf6
    Li PiLi Pi
    Aug 23, 2011 at 9:04 pm
    Sep 5, 2011 at 8:59 pm
  • See <https://builds.apache.org/job/HBase-TRUNK/2162/changes Changes: [todd] HBASE-4275 RS should communicate fatal "aborts" back to the master [todd] HBASE-4281 Add facility to dump current state of ...
    Apache Jenkins ServerApache Jenkins Server
    Aug 30, 2011 at 11:39 pm
    Aug 31, 2011 at 5:44 pm
  • Hi Dev-List folks- I'm calling out updates to this section in particular... http://hbase.apache.org/book/submitting.patches.html ... please let me know if there is any other "common patch feedback" ...
    Doug MeilDoug Meil
    Aug 30, 2011 at 1:00 am
    Aug 30, 2011 at 1:58 pm
  • Dhruba: It has been a month since the last activity was logged on HBASE-4132 If you or your intern is working on this issue, please update this JIRA. Thanks
    Ted YuTed Yu
    Aug 28, 2011 at 1:43 pm
    Aug 29, 2011 at 6:20 am
  • See <https://builds.apache.org/job/HBase-TRUNK/2147/changes Changes: [stack] hbase-4248 Enhancements for Filter Language exposing HBase filters through the Thrift API [stack] HBASE-3229 Table ...
    Apache Jenkins ServerApache Jenkins Server
    Aug 26, 2011 at 9:01 pm
    Aug 27, 2011 at 2:59 am
  • I had eye problem this morning; working from home now (till 12am) -- Fuad Efendi 416-993-2060
    Fuad EfendiFuad Efendi
    Aug 23, 2011 at 8:04 pm
    Aug 23, 2011 at 8:15 pm
  • A common question among HBase contributors, especially hadoop contributors/committers, is related to the 'Submit patch' button. Clicking the button wouldn't trigger build on Jenkins. The setup here ...
    Ted YuTed Yu
    Aug 21, 2011 at 7:09 pm
    Aug 22, 2011 at 5:01 am
  • Seeking a little clarification for request #2: Let us assume the good patch is submitted on day X Committer A put +1 on the patch on day Y ( = X) Committer B put +1 on the patch on day Z ( Y) Is it ...
    Ted YuTed Yu
    Aug 17, 2011 at 4:05 am
    Aug 17, 2011 at 6:22 pm
  • See <https://builds.apache.org/job/HBase-TRUNK/2119/changes Changes: [stack] HBASE-4205 Enhance HTable javadoc ------------------------------------------ [...truncated 1523 lines...] Tests run: 4, ...
    Apache Jenkins ServerApache Jenkins Server
    Aug 16, 2011 at 6:59 pm
    Aug 17, 2011 at 3:42 am
  • See <https://builds.apache.org/job/HBase-TRUNK/2109/ ------------------------------------------ [...truncated 1515 lines...] Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 75.846 sec ...
    Apache Jenkins ServerApache Jenkins Server
    Aug 11, 2011 at 3:28 pm
    Aug 13, 2011 at 12:46 am
  • Hey devs, I want to have your opinion on the new way HBA.flush is working. It used to be that it would contact the master which issued the flush calls to every RS which were all queued. Now HBA calls ...
    Jean-Daniel CryansJean-Daniel Cryans
    Aug 11, 2011 at 6:30 pm
    Aug 12, 2011 at 5:43 pm
  • See <https://builds.apache.org/job/hbase-0.90/258/changes Changes: [tedyu] HBASE-4186 No region is added to regionsInTransitionInRS ------------------------------------------ [...truncated 1096 ...
    Apache Jenkins ServerApache Jenkins Server
    Aug 11, 2011 at 11:16 pm
    Aug 12, 2011 at 3:40 am
  • Hi, If META is under transition and the current state in Znode for META is RS_ZK_OPENING. As part of ProcessRegionsinTransition we wait for the Timeout monitor to take care. The same is applicable ...
    Ramkrishna S VasudevanRamkrishna S Vasudevan
    Aug 11, 2011 at 9:33 am
    Aug 11, 2011 at 2:20 pm
  • Hi, Can anyone please point me to a link that explains how HBase splits tables and regions. I am unable to find anything beyond this - Tables in HBase are initially created with one region by ...
    Neerja BhatnagarNeerja Bhatnagar
    Aug 10, 2011 at 4:36 am
    Aug 10, 2011 at 7:15 am
  • Reposting to include HDFS dev list. From: Laxman Sent: Monday, August 01, 2011 5:03 PM To: 'dev@hbase.apache.org' Subject: Handling read failures during recovery Hi Everyone, In HBase we try to ...
    LaxmanLaxman
    Aug 1, 2011 at 11:49 am
    Aug 9, 2011 at 2:17 pm
  • In function rebuildUserRegions, The region that regionLocation is null is put into regions set. It seems a bug. It will throw exception when DisableTableHandler processes it. Skipping this region ...
    GaojinchaoGaojinchao
    Aug 9, 2011 at 9:16 am
    Aug 9, 2011 at 9:28 am
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Apache Jenkins Server: 108 posts Ted Yu: 54 posts Stack: 34 posts Ramkrishna S Vasudevan: 15 posts Jean-Daniel Cryans: 14 posts Andrew Purtell: 11 posts Akash Ashok: 10 posts Zhoushuaifeng: 10 posts Doug Meil: 9 posts Todd Lipcon: 9 posts Ryan Rawson: 8 posts Fuad Efendi: 7 posts Gaojinchao: 7 posts Gary Helmling: 7 posts Neerja Bhatnagar: 5 posts Sebastian Bauer: 5 posts Stack: 5 posts Laxman: 4 posts Li Pi: 3 posts Lohit: 3 posts
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