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77 discussions - 306 posts

  • Congratulations on HBase 0.90.0 release! There are some open questions about HBase at Quora, and this one is asking for the roadmap. http://www.quora.com/What-are-the-development-plans-for-HBase Our ...
    Tatsuya KawanoTatsuya Kawano
    Jan 19, 2011 at 10:33 pm
    Jan 22, 2011 at 6:15 pm
  • The fourth hbase 0.90.0 release candidate is available for download: http://people.apache.org/~stack/hbase-0.90.0-candidate-3/ This is going to be the one! Should we release this candidate as hbase ...
    StackStack
    Jan 8, 2011 at 1:03 am
    Jan 19, 2011 at 10:20 am
  • See <https://hudson.apache.org/hudson/job/hbase-0.90/50/changes Changes: [stack] HBASE-3420 Handling a big rebalance, we can queue multiple instances of a Close event; messes up state [jdcryans] ...
    Apache Hudson ServerApache Hudson Server
    Jan 6, 2011 at 4:09 am
    Jan 18, 2011 at 6:14 am
  • Hi, I wanted to let you know that I'm planning to contribute the following items to the HBase community. These are my spare time projects and I'll only be able to spend my time about 7 hours a week, ...
    Tatsuya KawanoTatsuya Kawano
    Jan 23, 2011 at 1:19 am
    Jan 26, 2011 at 11:44 am
  • I did some experiments to understand our full GC issues better last night. Here are the results: http://people.apache.org/~todd/hbase-fragmentation/ ...
    Todd LipconTodd Lipcon
    Jan 20, 2011 at 5:34 pm
    Jan 21, 2011 at 4:20 am
  • Using 0.90 RC3 on our 7 node clsuter, the first time (after cluster start) our map tasks ran quite fast writing to hbase (client side buffer size being 17MB). If I run the same hadoop job soon after ...
    Ted YuTed Yu
    Jan 30, 2011 at 8:42 pm
    Feb 1, 2011 at 7:22 pm
  • Hi, Running 0.90 in dev cluster where I used cdh3b2 hadoop jar, I frequently saw the following in reduce task log: INFO [2011-01-24 15:27:39] (ExecUtil.java:258) - 2011-01-24 22:55:39,009 INFO ...
    Ted YuTed Yu
    Jan 25, 2011 at 12:59 am
    Feb 1, 2011 at 6:10 am
  • I ran 0.90 RC3 in dev cluster. I saw the following in region server log: Caused by: org.apache.hadoop.ipc.RemoteException: org.apache.hadoop.hbase.YouAreDeadException: Server REPORT rejected; ...
    Ted YuTed Yu
    Jan 14, 2011 at 11:04 pm
    Jan 16, 2011 at 1:15 am
  • See <https://hudson.apache.org/hudson/job/hbase-0.90/65/changes Changes: [rawson] HBASE-2481 max seq id in flushed file can be larger than its correct value causing data loss during recovery ...
    Apache Hudson ServerApache Hudson Server
    Jan 27, 2011 at 5:45 pm
    Feb 2, 2011 at 11:14 pm
  • See <https://hudson.apache.org/hudson/job/hbase-0.90/57/changes Changes: [stack] HBASE-3387 Pair does not deep check arrays for equality -- REVERT [stack] Move the pom version on from 0.90.0 to ...
    Apache Hudson ServerApache Hudson Server
    Jan 20, 2011 at 6:07 am
    Jan 27, 2011 at 4:25 am
  • Hi, guys, see the below codes in* MemStoreFlusher.java*, i am not sure if those lines in orange are the same and looks like they are trying to do the same logic. Are they redundant? regards macf if ...
    Mac fangMac fang
    Jan 23, 2011 at 2:23 pm
    Jan 26, 2011 at 4:35 am
  • Hi, I am using HBase 0.90 and our job fails consistently with the following exception: Caused by: org.apache.hadoop.hbase.ZooKeeperConnectionException: ...
    Ted YuTed Yu
    Jan 4, 2011 at 7:10 pm
    Jan 5, 2011 at 3:35 am
  • Guys. There is a discussion regarding testing HBASE with YCSB on Whirr or EC2. Send to @dev so more people can be involved. Lars. I have an automatic YCSB test for HBase running on EC2. It was ...
    Mingjie LaiMingjie Lai
    Jan 21, 2011 at 9:00 pm
    Jan 24, 2011 at 2:55 pm
  • Hi, I am currently evaluating HBase for an implementation of an ERP-like cloud solution that's supposed to handle 500M lines per year for the biggest tenant and 10-20m for the smaller tenants. I am ...
    Eric_bdrEric_bdr
    Jan 17, 2011 at 12:22 pm
    Jan 18, 2011 at 7:19 am
  • I am looking at Hregion.incrementColumnValue(). It has the following piece of code // build the KeyValue now: 3266 KeyValue newKv = new KeyValue(row, family, 3267 qualifier, ...
    Dhruba BorthakurDhruba Borthakur
    Jan 10, 2011 at 7:42 am
    Jan 11, 2011 at 1:18 am
  • Hi, I copied hbase-site.xml from our staging cluster running 0.20.6 to dev cluster which runs 0.90 Can someone go over the attached file and see if any parameter is incorrectly set ? Thanks
    Ted YuTed Yu
    Jan 22, 2011 at 4:10 am
    Jan 22, 2011 at 3:45 pm
  • See <https://hudson.apache.org/hudson/job/HBase-TRUNK/1723/changes Changes: [stack] Added link to comic and to opentsdb ------------------------------------------ [...truncated 1078 lines...] Tests ...
    Apache Hudson ServerApache Hudson Server
    Jan 28, 2011 at 4:32 pm
    Feb 1, 2011 at 6:13 pm
  • Although this version is not supported but may be somebody can advice how to get ALL versions of rows from HTable scan? This code: public Iterator<OtaUploadWritable getUploadsByProfileId(String ...
    Vladimir RodionovVladimir Rodionov
    Jan 27, 2011 at 11:11 pm
    Jan 28, 2011 at 12:14 am
  • In 0.90, I am looking for a programmatic way of releasing connections to zookeeper. When I run flow on 7-node cluster, there were 460 connections listed under Clients of zk.jsp Thanks
    Ted YuTed Yu
    Jan 26, 2011 at 6:21 pm
    Jan 26, 2011 at 11:51 pm
  • Hi, (Probably aimed at Nicolas) Do we have a (rough) formula of overhead, i.e. the size of the bloomfilters for row and col granularity as for example depending on the KV count and average sizes (as ...
    Lars GeorgeLars George
    Jan 25, 2011 at 2:22 pm
    Jan 25, 2011 at 6:31 pm
  • I was frustrated over the weekend using ycsb because it doesn't check the data it gets and because of general code hygiene issues. Rather than just kvetch, I have modified ycsb and pushed it back ...
    Ted DunningTed Dunning
    Jan 24, 2011 at 6:47 pm
    Jan 25, 2011 at 1:00 am
  • In 0.90, HBaseAdmin.flush() uses a loop to go over List<Pair<HRegionInfo, HServerAddress Should executor service be used for higher parallelism ? Thanks
    Ted YuTed Yu
    Jan 22, 2011 at 4:01 pm
    Jan 24, 2011 at 7:22 pm
  • I've come across a strange bug that I'm having trouble debugging. Basically I have a seed application that is executed via maven and runs a single JVM ApplicationStarter that starts up hdfs, ...
    James KennedyJames Kennedy
    Jan 21, 2011 at 7:29 am
    Jan 22, 2011 at 12:52 am
  • Hi, guys, I read the HBase code and found the delete interface only delete the keyValue in the MemoryStore, but NOT really remove the keyValue in the SequenceFile, only invoke the ...
    Mac fangMac fang
    Jan 20, 2011 at 4:01 pm
    Jan 21, 2011 at 1:56 am
  • I have following questions about some features which are needed in my applications. 1. The current HBase release(0.89, 0.90 ~) does not support to modify table schema online. If I want add or delete ...
    Schubert ZhangSchubert Zhang
    Jan 20, 2011 at 4:57 pm
    Jan 21, 2011 at 1:47 am
  • Hi, guys, one question want to get the awnser: i read the HBase Client code, seems the logic to get a table: 1. Get -ROOT- RegionLoc from Zk, 2. Get .META. RegionLoc from -ROOT- Table. 3. Get Table ...
    Mac fangMac fang
    Jan 16, 2011 at 2:37 pm
    Jan 17, 2011 at 7:13 pm
  • I'm currently validating the new 0.90.0 RC3 with the hbase-trx layer and our own application. All seems well so far except for the fact that I now find that HBase doesn't adapt if I try to run the ...
    James KennedyJames Kennedy
    Jan 13, 2011 at 7:38 pm
    Jan 15, 2011 at 3:26 am
  • This is how incrementColumnValue looks currently. I have a few questions on it (I'm trying to add a sequence number to KeyValue -- hbase-2856). public long incrementColumnValue(byte [] row, byte [] ...
    StackStack
    Jan 12, 2011 at 7:54 pm
    Jan 12, 2011 at 8:33 pm
  • See <https://hudson.apache.org/hudson/job/HBase-TRUNK/1706/changes Changes: [todd] HBASE-3401. Region IPC operations should be high priority [todd] HBASE-3407 hbck should pause between fixing and ...
    Apache Hudson ServerApache Hudson Server
    Jan 7, 2011 at 12:44 am
    Jan 7, 2011 at 11:06 pm
  • Hi all, Next week from the 11th through the 14th we will be hosting Trend Micro employees from Taiwan and mainland China for a 4 day internal HBase and Hadoop summit. We will have 4 guys from Taiwan ...
    Andrew PurtellAndrew Purtell
    Jan 5, 2011 at 8:52 pm
    Jan 5, 2011 at 10:13 pm
  • See <https://hudson.apache.org/hudson/job/hbase-0.90/48/changes Changes: [todd] HBASE-3392. Update backport of InputSampler to reflect MAPREDUCE-1820 [stack] HBASE-3344 Master aborts after RPC to ...
    Apache Hudson ServerApache Hudson Server
    Jan 4, 2011 at 4:28 pm
    Jan 5, 2011 at 4:14 pm
  • Hi, I am trying to utilize MiniHBaseCluster in our integration tests so that the tests don't depend on any particular physical cluster. MiniHBaseCluster is in hbase-0.90.0-tests.jar with package name ...
    Ted YuTed Yu
    Jan 3, 2011 at 10:16 pm
    Jan 3, 2011 at 11:06 pm
  • Hi, when I update my hbase from 0.20.6 to 0.90, some error occur: Below is logs on 167.6.5.13, because Meta table is served by this server, so other regionservers want to connect this server to ...
    Zhou ShuaifengZhou Shuaifeng
    Jan 31, 2011 at 9:44 am
    Jan 31, 2011 at 6:23 pm
  • Hi, Sorry if this is a trivial question but I have been battling with it for a while. I have a question about submitting jobs from a web application potentially deployed on different machines than ...
    Eric_bdrEric_bdr
    Jan 31, 2011 at 3:10 pm
    Jan 31, 2011 at 6:11 pm
  • Hi, Is RowCounter able to count all the versions of the same row ? Cheers
    Ted YuTed Yu
    Jan 29, 2011 at 12:18 am
    Jan 29, 2011 at 12:40 am
  • Hi everybody, My name is Ophir and currently I'm working on integrating HBase and Hadoop at my company - LivePerson. I'm using Hadoop for more than 5 years and I thought that it's a good time to ...
    Ophir CohenOphir Cohen
    Jan 21, 2011 at 3:02 pm
    Jan 21, 2011 at 4:53 pm
  • See <https://hudson.apache.org/hudson/job/HBase-TRUNK/1712/changes Changes: [nspiegelberg] Forgot to modify CHANGES.txt for HBASE-3437 [nspiegelberg] HBASE-3437 : Support Explict Split Points from ...
    Apache Hudson ServerApache Hudson Server
    Jan 11, 2011 at 9:24 pm
    Jan 20, 2011 at 6:07 am
  • See <https://hudson.apache.org/hudson/job/HBase-TRUNK/1709/changes Changes: [stack] HBASE-3429 HBaseObjectWritable should support arrays of any Writable or Serializable, not just Writable[] [stack] ...
    Apache Hudson ServerApache Hudson Server
    Jan 8, 2011 at 12:45 am
    Jan 10, 2011 at 4:26 am
  • Hi, When running hbck locally (after working on HBASE-3492) I got: 2011-01-31 11:14:52,793 INFO org.apache.zookeeper.server.PrepRequestProcessor: Got user-level KeeperException when processing ...
    Lars GeorgeLars George
    Jan 31, 2011 at 10:19 am
    Jan 31, 2011 at 6:40 pm
  • See <https://hudson.apache.org/hudson/job/HBase-TRUNK/1720/changes Changes: [stack] Add appendix on YCSB that still needs filling out. Added pointer to Ted Dunnings YCSB manglings ...
    Apache Hudson ServerApache Hudson Server
    Jan 24, 2011 at 9:23 pm
    Jan 27, 2011 at 5:44 pm
  • HBase shell provides this command: truncate Disables, drops and recreates the specified table Is there a quicker way of removing all rows ? Thanks
    Ted YuTed Yu
    Jan 26, 2011 at 12:38 am
    Jan 26, 2011 at 1:23 am
  • Hi, Am I wrong or is there a lack of documentation for the FilterModel for the filters in Stargate? The Wiki http://wiki.apache.org/hadoop/Hbase/HbaseRest points to an old 0.20.4 documentation ...
    Lars GeorgeLars George
    Jan 25, 2011 at 6:28 pm
    Jan 25, 2011 at 10:37 pm
  • Dear developers, I am a PhD student at UFMG, Brazil and as part of my research I am making a study about the relevance of the warnings reported by the FindBugs bug finding tool. Since I am planning ...
    César CoutoCésar Couto
    Jan 24, 2011 at 6:44 pm
    Jan 25, 2011 at 1:11 am
  • Dear developers, I am a PhD student at UFMG, Brazil and as part of my research I am making a study about the relevance of the warnings reported by the FindBugs bug finding tool. Since I am planning ...
    César CoutoCésar Couto
    Jan 24, 2011 at 4:50 pm
    Jan 24, 2011 at 5:21 pm
  • See <https://hudson.apache.org/hudson/job/HBase-TRUNK/1717/changes Changes: [stack] Added logging to help figure failing test up on hudson--TestSplitTransactionOnCluster ...
    Apache Hudson ServerApache Hudson Server
    Jan 22, 2011 at 12:22 am
    Jan 24, 2011 at 1:21 am
  • In 0.90 region server log, I got: grep 'Got brand-new compressor' hbase-hadoop-regionserver-sjc1-hadoop2.sjc1.carrieriq.com.log | wc 435933 3051531 41413635 I wonder if the above led to degraded ...
    Ted YuTed Yu
    Jan 23, 2011 at 2:24 am
    Jan 23, 2011 at 3:00 am
  • TostTost
    Jan 21, 2011 at 8:09 am
    Jan 22, 2011 at 12:41 am
  • See <https://hudson.apache.org/hudson/job/HBase-TRUNK/1715/changes Changes: [stack] HBASE-3449 Server shutdown handlers deadlocked waiting for META [stack] HBASE-3445 Master crashes on data that was ...
    Apache Hudson ServerApache Hudson Server
    Jan 21, 2011 at 4:28 am
    Jan 21, 2011 at 3:36 pm
  • Hi, I am trying to build the environment of the Hbase above Hadoop-0.19.1, but there are some problems: A: There are compatibility between Hadoop-0.19.1 and Hbase. e.g.: hdfs of Hadoop-0.19.1 don’t ...
    贺小桥贺小桥
    Jan 20, 2011 at 6:14 pm
    Jan 20, 2011 at 6:16 pm
  • Hi, In hbase 0.20.6, I see the following in description for zookeeper.session.timeout: The current implementation requires that the timeout be a minimum of 2 times the tickTime (as set in the server ...
    Ted YuTed Yu
    Jan 18, 2011 at 11:29 pm
    Jan 18, 2011 at 11:31 pm
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45 users for January 2011

Stack: 45 posts Ted Yu: 45 posts Apache Hudson Server: 40 posts Jean-Daniel Cryans: 21 posts Ryan Rawson: 16 posts Lars George: 14 posts Tatsuya Kawano: 13 posts Ted Dunning: 12 posts Jonathan Gray: 9 posts Mac fang: 9 posts Todd Lipcon: 9 posts Andrew Purtell: 8 posts Abinash Karana \(Bizosys\): 6 posts James Kennedy: 6 posts Eric Burin DES Roziers: 4 posts Gary Helmling: 4 posts Stack: 4 posts Vladimir Rodionov: 4 posts Tsuna: 3 posts Ekohlwey: 2 posts
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