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Re: rest reverse scan - HBase - [mail # user]
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...Yeah, that's me :)2014.07.24. 23:55 ezt írta ("Jonathan Hsieh" ): ...
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Author: boci,
2014-07-25, 06:08
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Re: rest reverse scan - HBase - [mail # user]
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...Looks like someone filed an feature request for this here :https://issues.apache.org/jira/browse/HBASE-11577Please follow up there/On Tue, Jul 22, 2014 at 4:36 PM, boci wrote:// Jonath...
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Author: Jonathan Hsieh,
2014-07-24, 21:55
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rest reverse scan - HBase - [mail # user]
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...Hi guys,I see in the documentation java Scan api support reverse scan (so I think Ican fetch the latest X row) this feature propagated to the rest api? Can Icall like http://..../database/qu...
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Author: boci,
2014-07-22, 23:36
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Re: Re: hbase server exception - HBase - [mail # user]
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...thanks，i will try unit test [EMAIL PROTECTED] From: Ted YuDate: 2014-07-25 13:53To: [EMAIL PROTECTED]Subject: Re: hbase server exceptionHit Send too soon. More information is neede...
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Author: bhsc@...,
2014-07-25, 06:00
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Re: hbase server exception - HBase - [mail # user]
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...Hit Send too soon.More information is needed before we know whether fix for HBASE-11234 wouldsolve the problem you're facing.CheersOn Thu, Jul 24, 2014 at 9:51 PM, Ted Yu wrote: ...
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Author: Ted Yu,
2014-07-25, 05:54
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Re: hbase server exception - HBase - [mail # user]
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...How often do you see this error ?Is it possible to encapsulate the scenario using unit test ?I am not certain HBASE-11234 On Jul 24, 2014, at 9:37 PM, "[EMAIL PROTECTED]" wrote: ...
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Author: Ted Yu,
2014-07-25, 05:51
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Re: Re: hbase server exception - HBase - [mail # user]
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...i use cdh hbase 0.96.1.1，http://archive.cloudera.com/cdh5/cdh/5/hbase-0.96.1.1-cdh5.0.2.releasenotes.html no this patchso i add this path and rebuid hbase，restart regionServer will solve ths...
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Author: bhsc@...,
2014-07-25, 05:37
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Re: hbase server exception - HBase - [mail # user]
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...The error indicates there was bug in prefix tree module.Does the 0.96 release you use include fix for HBASE-11234 ?CheersOn Thu, Jul 24, 2014 at 9:11 PM, [EMAIL PROTECTED] wrote: ...
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Author: Ted Yu,
2014-07-25, 05:21
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hbase server exception - HBase - [mail # user]
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...my hbase version is 0.96£¬and regionServer throw this exception£¬is this a bug£¿2014-07-25 13:04:07,494 ERROR [regionserver60020-largeCompactions-1406165462536] regionserver.CompactSplitThre...
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Author: bhsc@...,
2014-07-25, 05:11
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Re: how to do parallel scanning in map reduce using hbase as input? - HBase - [mail # dev]
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...that's great. what's the status of these issue? any patch available now?On Fri, Jul 25, 2014 at 4:23 AM, Vladimir Rodionov wrote: ...
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Author: Li Li,
2014-07-25, 02:57
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Re: how to do parallel scanning in map reduce using hbase as input? - HBase - [mail # dev]
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...On Wed, Jul 23, 2014 at 6:31 AM, Stack wrote:map taskyes, I have to do reduce task ...
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Author: Li Li,
2014-07-25, 02:54
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Re: how to do parallel scanning in map reduce using hbase as input? - HBase - [mail # dev]
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...I am working on improving inter-region scan performance and have the patchalready. The patch will be committed as soon as all tests are done. Thisshould improve M/R over HBase performance be...
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Author: Vladimir Rodionov,
2014-07-24, 20:24
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Re: how to do parallel scanning in map reduce using hbase as input? - HBase - [mail # dev]
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...On Mon, Jul 21, 2014 at 11:11 PM, Li Li wrote:Who OOME'd? The map task or hbase?Do you have to reduce?Would more reducers make your job run faster?How much for DN and TT? T...
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Author: Stack,
2014-07-22, 22:31
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Re: how to do parallel scanning in map reduce using hbase as input? - HBase - [mail # dev]
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...On Mon, Jul 21, 2014 at 11:08 PM, Li Li wrote:If you look at the job on the tail, is it waiting on a single mapper tofinish? Or do all finish at around the same time? If th...
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Author: Stack,
2014-07-22, 22:29
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Re: how to do parallel scanning in map reduce using hbase as input? - HBase - [mail # dev]
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...On Tue, Jul 22, 2014 at 1:57 PM, Stack wrote:I forget it. maybe I can retry it with 8 mapper configuration. itseems like out of memory exceptionI have 8 reducersthe RS use 8G and there...
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Author: Li Li,
2014-07-22, 06:11
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Re: how to do parallel scanning in map reduce using hbase as input? - HBase - [mail # dev]
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...On Tue, Jul 22, 2014 at 1:54 PM, Stack wrote:yessorry, the fatest mapper takes 6 minutes and the slowest mapper takes 45 minutesfor the fastest, map input records is 4,469,570for the s...
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Author: Li Li,
2014-07-22, 06:08
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Re: how to do parallel scanning in map reduce using hbase as input? - HBase - [mail # dev]
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...On Mon, Jul 21, 2014 at 10:53 PM, Li Li wrote:What exception is thrown?Do you have to have a reducer? If you could skip the shuffle...Does the RS use the 16G?St.Ack ...
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Author: Stack,
2014-07-22, 05:57
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Re: how to do parallel scanning in map reduce using hbase as input? - HBase - [mail # dev]
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...On Mon, Jul 21, 2014 at 10:47 PM, Li Li wrote:So some mappers take 1 minute and others take 25 minutes?Do the map tasks balance each other out as they run or are you waiting onone to c...
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Author: Stack,
2014-07-22, 05:55
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Re: how to do parallel scanning in map reduce using hbase as input? - HBase - [mail # dev]
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...Sorry, I enter tab and it send my unfinished post. See the followingmail for answers of other questions.I forget the exception's detail. It throws exception in terminal. Thedefault io.sort.m...
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Author: Li Li,
2014-07-22, 05:53
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Re: how to do parallel scanning in map reduce using hbase as input? - HBase - [mail # dev]
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...sorry. I have not finished it.1. yes, I have 20 concurrent running mappers.2. I can't add more mappers because I set io.sort.mb to 500mb and if Iset 8 mappers, it hit oov exception and load ...
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Author: Li Li,
2014-07-22, 05:47
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Re: Help needed on writing custom load balancer - HBase - [mail # user]
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...For #2, I searched in 0.94 and trunk but didn't find call toimmediateAssignmentmethod except in tests.For #3, please take a look at 17.3.1.1. underhttp://hbase.apache.org/book.html#node.mana...
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Author: Ted Yu,
2014-07-25, 02:47
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Help needed on writing custom load balancer - HBase - [mail # user]
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...I have few questions, if you can help me that will be great. 1.I am writing my own custom load balancer against the LoadBalancer in Hbase0.94.6.1. I want to place a group of regions from dif...
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Author: gomes,
2014-07-25, 02:34
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[HBASE-11409] Add more flexibility for input directory structure to LoadIncrementalHFiles - HBase - [issue]
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...Use case:We were trying to combine two very large tables into a single table. Thus we ran jobs in one datacenter that populated certain column families and another datacenter which pop...
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[HBASE-11579] CopyTable should check endtime value only if != 0 - HBase - [issue]
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...CopyTable automatically assign an endTime if startTime is specified and endTime is not: if (startTime != 0) { scan.setTimeRange(startTime, &nb...
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Re: BucketCache Configuration - HBase - [mail # user]
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...Hi Stack,We are using Hbase 0.96.1.1+cdh5.0.1+68.In hbase-site.xml: hbase.bucketcache.ioengine offheap hbase.bucke...
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Author: Jane Tao,
2014-07-24, 23:13
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Re: BucketCache Configuration - HBase - [mail # user]
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...No. You need 0.96.x HBase at least.St.AckOn Mon, Jul 21, 2014 at 9:42 AM, Jane Tao wrote: ...
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Author: Stack,
2014-07-21, 21:06
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Re: BucketCache Configuration - HBase - [mail # user]
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...Hi Stack,Does what you suggested apply to HBase 0.94.6?Thanks,JaneOn 7/18/2014 5:11 PM, Stack wrote: ...
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Author: Jane Tao,
2014-07-21, 16:43
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Re: BucketCache Configuration - HBase - [mail # user]
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...On Fri, Jul 18, 2014 at 4:46 PM, Jane Tao wrote:Sorry. Config is a little complicated at the moment. It has had somecleanup in trunk. Meantime...No. It is the m...
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Author: Stack,
2014-07-19, 00:12
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BucketCache Configuration - HBase - [mail # user]
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...Hi there,Our goal is to fully utilize the free RAM on each node/region server for HBase. At the same time, we do not want to incur too much pressure from GC (garbage collection). Based on Te...
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Author: Jane Tao,
2014-07-18, 23:47
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[HBASE-11587] Improve documentation around custom filters - HBase - [issue]
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...The instructions in the ref guide surrounding creation of custom filters by extending FilterBase are incomplete and need updating. Since 0.96 and protobufs, it looks like you need to impleme...
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[HBASE-11581] Add option so CombinedBlockCache L2 can be null (fscache) - HBase - [issue]
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...Add option, mostly for comparison's sake, that allows a deploy orchestrated by CombinedBlockCache such that its L1 is LruBlockCache for META blocks but DATA blocks are fetched each time (we ...
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[HBASE-11326] Use an InputFormat for ExportSnapshot - HBase - [issue]
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...Use an InputFormat instead of uploading a set of input files to have a progress based on the file size...
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