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73 discussions - 343 posts

  • Hi, J-D recently expressed the idea of changing behavior of HBA.createTable() to be consistent with its javadoc. Meaning, HBA.createTable() should be synchronous. Todd reported an issue which ...
    Ted YuTed Yu
    Jun 16, 2011 at 9:29 pm
    Jun 28, 2011 at 11:34 pm
  • Hi folks, I was wondering if there was any movement on any of these HDFS tickets for HBase. The umbrella ticket is HDFS-1599, but the last comment from stack back in Feb highlighted interest in ...
    Doug MeilDoug Meil
    Jun 2, 2011 at 9:00 pm
    Jun 9, 2011 at 9:20 pm
  • I've been reading up on prefix compression for a few weeks trying to figure out the best approach. Maybe some of you have noticed that 90% of my emails to the user list have something to do with ...
    Matt CorganMatt Corgan
    Jun 2, 2011 at 10:29 pm
    Jun 4, 2011 at 8:58 pm
  • Hello, Just wanted to confirm that I'm doing things in a proper way here. How about this code to handle the temp cluster connectivity problems (or cluster down time) on client-side? + // HTable.put() ...
    Alex BaranauAlex Baranau
    Jun 27, 2011 at 8:08 pm
    Jun 29, 2011 at 2:58 pm
  • I want to take a wh/hack at creating a pluggable block index, is there an open issue for this? I looked and couldn't find one.
    Jason RutherglenJason Rutherglen
    Jun 4, 2011 at 9:44 pm
    Jun 6, 2011 at 4:10 pm
  • Is there an issue with garbage generated from using CSLM in the MemStore?
    Jason RutherglenJason Rutherglen
    Jun 14, 2011 at 5:58 am
    Jun 16, 2011 at 6:11 pm
  • Ted just got his committer badge (One of us!). Ted, usually the first thing fellas do is add their details to pom.xml -- see around line 120 (You can write me offline if you need some help figuring ...
    StackStack
    Jun 13, 2011 at 8:49 pm
    Jun 15, 2011 at 7:39 pm
  • See <https://builds.apache.org/job/HBase-TRUNK/1982/changes Changes: [tedyu] HBASE-4010 HMaster.createTable could be heavily optimized [stack] Added link to Praveen's article on maven hbase and ...
    Apache Jenkins ServerApache Jenkins Server
    Jun 22, 2011 at 2:46 pm
    Jun 26, 2011 at 5:17 am
  • See <https://builds.apache.org/job/HBase-TRUNK/1961/changes Changes: [stack] Add mention of the other hadoops; cleanup some bad wording identified recently up on list ...
    Apache Jenkins ServerApache Jenkins Server
    Jun 10, 2011 at 5:05 am
    Jun 14, 2011 at 4:45 pm
  • Because Master usually<javascript:void(0) uses little memory. So its memory is 4G. DFS block is 256M and hbase.regionserver.maxlogs is 32. One region server can save max 8G Hlog. In my performance ...
    GaojinchaoGaojinchao
    Jun 23, 2011 at 2:00 am
    Jun 24, 2011 at 6:28 am
  • stop-hbase.sh never stopped once deployed the 0.91 trunk jar onto my hbase setup. Figured out that the Meta regions were never closed and hbase would stop only when logging in debug mode is enabled. ...
    Akash AshokAkash Ashok
    Jun 24, 2011 at 12:53 pm
    Jun 24, 2011 at 2:46 pm
  • It looks like arg.apache.hadoop.hbase.zookeeper.ZooKeeperListener could be better described as an abstract class. is there any specific reason why its not made abstract ? Cheers, Akash A
    Akash AshokAkash Ashok
    Jun 21, 2011 at 2:22 pm
    Jun 21, 2011 at 5:08 pm
  • Hi there, Just started off with HBase. So this could be a stupid question . But here it goes ... Can we insert any video file (e.g. .avi) or image file (e.g. .png) directly into HBase with any kind ...
    Rajat DebRajat Deb
    Jun 1, 2011 at 6:07 pm
    Jun 8, 2011 at 3:59 pm
  • TableInputFormat creates one split/mapper task per region. In the case of lots of small regions, the overhead of map reduce framework becomes overhead. There are some related work items that could ...
    Ma, MingMa, Ming
    Jun 21, 2011 at 1:19 am
    Jul 6, 2011 at 1:29 am
  • -1 on allowing edits of issue comments. We had this feature disabled on the HBase project for a while but obviously it is allowed again. Issues are external memory of a project. If they are volatile, ...
    Andrew PurtellAndrew Purtell
    Jun 24, 2011 at 10:08 pm
    Jun 28, 2011 at 1:46 am
  • Hi, In TRUNK, I don't seem to find any reference to this method. Can someone update me ? Thanks
    Ted YuTed Yu
    Jun 27, 2011 at 5:42 pm
    Jun 27, 2011 at 7:26 pm
  • One side note, I reserve my right to edit JIRA comments / contents if the comments or contents of the JIRA reveal my company (or other company)'s IP. Aaron has done a good job of presenting redacted ...
    Ted YuTed Yu
    Jun 25, 2011 at 10:21 am
    Jun 25, 2011 at 9:17 pm
  • "mvn test -Dtest=TestMultipleTimestamps" hangs on my machine using trunk. Other tests seem to run, how long is it expected to take?
    Jason RutherglenJason Rutherglen
    Jun 13, 2011 at 6:21 pm
    Jun 14, 2011 at 10:19 pm
  • I went through issues against 0.92 and moved out about 150 (smile). We're down to about 30 blocker/criticals. Review and move your favorites back under the 0.92 banner if I was too blunt w/ the bulk ...
    StackStack
    Jun 10, 2011 at 11:24 pm
    Jun 11, 2011 at 5:55 pm
  • ... for 0.90, Stack I remember you said you'd hold off until I tested it with 0.90. I haven't had time yet to test under the profiler up on a test cluster, but it looks good locally and I did run a ...
    Andrew PurtellAndrew Purtell
    Jun 10, 2011 at 8:17 pm
    Jun 11, 2011 at 2:10 pm
  • https://issues.apache.org/jira/browse/HBASE-3723 This issue is fixed and Committed to TRUNK, but not integrated in to 0.90.2 and 0.90.3, this will causing outdated data not be cleaned in time. If ...
    ZhoushuaifengZhoushuaifeng
    Jun 7, 2011 at 7:43 am
    Jun 9, 2011 at 7:05 am
  • Lucene has a compact FST (Finite State Transducer) that's used for the sorted terms index. I think this is the same type of functionality as the HBase block index, eg, a sorted index of row ids? The ...
    Jason RutherglenJason Rutherglen
    Jun 2, 2011 at 4:10 pm
    Jun 3, 2011 at 1:52 am
  • Hi, When you click on split/compact in the table.jsp you get: "Split request accepted. Reload." Reloading is braindead as it triggers the action over and over again. We should have a link back to the ...
    Lars GeorgeLars George
    Jun 2, 2011 at 12:11 pm
    Jun 2, 2011 at 7:53 pm
  • See <https://builds.apache.org/job/HBase-TRUNK/1997/changes Changes: [stack] HBASE-4036 Implementing a MultipleColumnPrefixFilter ------------------------------------------ [...truncated 1245 ...
    Apache Jenkins ServerApache Jenkins Server
    Jun 29, 2011 at 5:37 am
    Jul 1, 2011 at 7:45 pm
  • Hi: We found that the hlog sync to disk each time. When one thread exec "doWrite(info, logKey, edit);", the others wait for "updateLock" in HLog.java. Why not the others add their edits into a list ...
    Mingjian DengMingjian Deng
    Jun 29, 2011 at 10:28 am
    Jun 29, 2011 at 2:39 pm
  • See <https://builds.apache.org/job/HBase-TRUNK/1993/changes Changes: [tedyu] HBASE-3534 Action should not store or serialize regionName (Ted Yu) [tedyu] HBASE-4024 Major compaction may not be ...
    Apache Jenkins ServerApache Jenkins Server
    Jun 28, 2011 at 5:37 am
    Jun 29, 2011 at 3:08 am
  • Hi, Our company needs HBASE-3488 to perform validation routine. Can we back port HBASE-3488 to 0.90 branch ? The risk should be low considering that CellCounter is a new utility class. Thanks
    Ted YuTed Yu
    Jun 28, 2011 at 7:13 pm
    Jun 28, 2011 at 11:08 pm
  • See <https://builds.apache.org/job/hbase-0.90/212/changes Changes: [stack] HBASE-3969 Outdated data can not be cleaned in time ------------------------------------------ [...truncated 2867 lines...] ...
    Apache Jenkins ServerApache Jenkins Server
    Jun 26, 2011 at 5:19 am
    Jun 28, 2011 at 1:07 pm
  • Hi all, I am studying the region server source code. It seems to me, in HBase 0.92, for each mem store flush, it acts as (in MemStoreFlusher.flushRegion()): 1. If there are too many store files for a ...
    Weihua JIANGWeihua JIANG
    Jun 23, 2011 at 12:29 pm
    Jun 24, 2011 at 12:43 am
  • Hi all, We had an interesting problem with HBase and Zookeeper and I would like to know what your thoughts on this issue are. I have an HBase client that reads data from a queue and stores it in ...
    Bogdan GhidireacBogdan Ghidireac
    Jun 8, 2011 at 7:03 am
    Jun 9, 2011 at 4:37 pm
  • Hello, I am working on porting some features to HBase trunk, and it looks like there are problems with unit tests in the trunk right now. I am getting timeouts just like the one shown below, but the ...
    Mikhail BautinMikhail Bautin
    Jun 27, 2011 at 6:21 pm
    Jun 27, 2011 at 9:11 pm
  • BTW modifying the title/description of JIRA is allowed, right ?
    Ted YuTed Yu
    Jun 25, 2011 at 12:09 am
    Jun 25, 2011 at 1:57 am
  • See <https://builds.apache.org/job/hbase-0.90/208/changes Changes: [stack] HBASE-4005 close_region bugs ------------------------------------------ [...truncated 2864 lines...] Tests run: 42, ...
    Apache Jenkins ServerApache Jenkins Server
    Jun 22, 2011 at 2:45 pm
    Jun 24, 2011 at 3:23 am
  • Hi, I have done initial performance test for HBASE-4010 I want to get your opinion on whether this should be ported back to 0.90.4 Thanks
    Ted YuTed Yu
    Jun 23, 2011 at 8:18 pm
    Jun 23, 2011 at 8:44 pm
  • Hi, It seems that the HCM docs are now outdated, as we now keep a reference count of each connection, and as long as you call HTable.close() you are OK with shared resources not lingering on. What I ...
    Lars GeorgeLars George
    Jun 20, 2011 at 5:38 pm
    Jun 23, 2011 at 6:03 pm
  • My test case failed in branch 0.90. It seems a bug. MemStore overhead should be public final static long FIXED_OVERHEAD = ClassSize.align( ClassSize.OBJECT + (11 * ClassSize.REFERENCE) + ...
    GaojinchaoGaojinchao
    Jun 20, 2011 at 10:44 am
    Jun 21, 2011 at 12:54 am
  • Hi, First there is a bug in admin.rb by the looks: # Closes a region def close_region(region_name, server = nil) @admin.closeRegion(region_name, server ? [server].to_java : nil) end while the calling ...
    Lars GeorgeLars George
    Jun 17, 2011 at 6:50 am
    Jun 18, 2011 at 11:39 am
  • If one checks out or updates to latest trunk, and then does 'mvn clean test', this appears on the output: main: [mkdir] Created dir: /usr/src/Hadoop/hbase-trunk/target/nativelib [exec] tar: ...
    Andrew PurtellAndrew Purtell
    Jun 12, 2011 at 2:47 pm
    Jun 15, 2011 at 4:34 pm
  • See <https://builds.apache.org/job/HBase-TRUNK/1955/changes Changes: [stack] hadoop-snappy version in the pom.xml is incorrect ------------------------------------------ [...truncated 3297 lines...] ...
    Apache Jenkins ServerApache Jenkins Server
    Jun 7, 2011 at 11:46 pm
    Jun 9, 2011 at 5:32 am
  • Hi, While doing lots of reads I took a look at the requests coming into region servers (from webui) It looks like there are lot of requests (some times 10x or more) for server which is hosting .META. ...
    LohitLohit
    Jun 8, 2011 at 7:20 pm
    Jun 8, 2011 at 10:11 pm
  • Hello, We have a big data set across 10 RS. We started major compact of a table. In region server logs, I can see that at a time few regions are being compacted. Once it is completed next batch seem ...
    LohitLohit
    Jun 8, 2011 at 5:48 am
    Jun 8, 2011 at 6:43 pm
  • Hi! I am new to HBase development and tried running unit tests after checking out HBase trunk. I am see'ing the following failures (pasted below). Is there any setup required before running the unit ...
    Rakesh AggarwalRakesh Aggarwal
    Jun 5, 2011 at 10:58 pm
    Jun 6, 2011 at 4:57 pm
  • Hi folks, As part of my presentation for Hadoop Summit, I'd like to include a slide highlighting new features or major improvements in 0.92. I've admittedly had my head in coprocessor/security land ...
    Gary HelmlingGary Helmling
    Jun 5, 2011 at 10:23 am
    Jun 5, 2011 at 5:24 pm
  • Hi, hbase.regionserver.thread.splitcompactcheckfrequency Seems to be obsolete now that the flush is event triggered, and implicitly triggers the above check. Also this <property <name ...
    Lars GeorgeLars George
    Jun 1, 2011 at 2:22 pm
    Jun 2, 2011 at 6:45 am
  • We had a QA cluster which got left on for a while during some maintenance to DNS/etc in our colo... everything is fine in the RS logs until: 2011-05-14 23:11:46,154 ERROR ...
    Todd LipconTodd Lipcon
    Jun 1, 2011 at 2:22 am
    Jun 1, 2011 at 10:21 pm
  • Hello, I am trying to autogen some code off of 90.3. I made some custom additions to our thrift server, however the code that gets generated uses ByteBuffers as opposed to byte[]. How can I get ...
    Matthew WardMatthew Ward
    Jun 1, 2011 at 2:43 am
    Jun 1, 2011 at 4:18 am
  • See <https://builds.apache.org/job/hbase-0.90/217/changes Changes: [jdcryans] HBASE-4045 [replication] NPE in ReplicationSource when ZK is gone [jdcryans] HBASE-3984 CT.verifyRegionLocation isn't ...
    Apache Jenkins ServerApache Jenkins Server
    Jun 30, 2011 at 6:38 am
    Jul 2, 2011 at 12:05 am
  • Something was committed to trunk but not 0.90, not sure if there is a jira associated with the change. Index: src/main/java/org/apache/hadoop/hbase/zookeeper/ZKUtil.java ...
    Andrew PurtellAndrew Purtell
    Jun 22, 2011 at 11:59 pm
    Jun 23, 2011 at 6:39 pm
  • See <https://builds.apache.org/job/HBase-TRUNK/1975/ ------------------------------------------ Started by an SCM change Building remotely on ubuntu2 hudson.util.IOException2: remote file operation ...
    Apache Jenkins ServerApache Jenkins Server
    Jun 17, 2011 at 12:25 am
    Jun 17, 2011 at 3:56 pm
  • See <https://builds.apache.org/job/hbase-0.90/204/ ------------------------------------------ Started by an SCM change Building remotely on ubuntu2 hudson.util.IOException2: remote file operation ...
    Apache Jenkins ServerApache Jenkins Server
    Jun 16, 2011 at 10:01 pm
    Jun 17, 2011 at 12:26 am
Jun 2011
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46 users for June 2011

Ted Yu: 49 posts Apache Jenkins Server: 48 posts Stack: 40 posts Jason Rutherglen: 30 posts Andrew Purtell: 24 posts Todd Lipcon: 16 posts Jean-Daniel Cryans: 14 posts Lars George: 13 posts Doug Meil: 11 posts Akash Ashok: 6 posts Alex Baranau: 6 posts Gaojinchao: 6 posts Matt Corgan: 6 posts Ryan Rawson: 6 posts Anty: 5 posts Apache Jenkins Server: 5 posts Schubert Zhang: 5 posts Joey Echeverria: 4 posts Lohit: 4 posts Ma, Ming: 4 posts
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