Re: HBase 0.96 metrics

2014-02-06 Thread Stack
In case you didn't get what was just said: When a regionserver crashes, HBase needs to replay the contents of outstanding WAL logs (Write-Ahead-Logs A.K.A HLogs) before it can bring the regions the crashed server was hosting back on line again. Replaying involves reading the WALs and then 'splitt

Re: The 3rd HBase 0.98.0 release candidate (RC2) is available for download

2014-02-06 Thread Andrew Purtell
I am informed that the link to RC2 sent in the announcement is actually a link to RC1 displaying as "...RC2". Try the below link instead: http://people.apache.org/~apurtell/0.98.0RC2/ On Thursday, February 6, 2014, Andrew Purtell wrote: > The 3rd HBase 0.98.0 release candidate (RC2) is ava

Re: WALPlayer?

2014-02-06 Thread Tianying Chang
Never mind. Should use hbase command. :) Thanks Tian-Ying On Thu, Feb 6, 2014 at 9:53 PM, Tianying Chang wrote: > Hi, folks > > I want to try the WALPlayer. But it complains not found. Am I running it > the wrong way? > > Thanks > Tian-Ying > > hadoop jar /tmp/hbase-0.94.17-SNAPSHOT.jar WALPla

WALPlayer?

2014-02-06 Thread Tianying Chang
Hi, folks I want to try the WALPlayer. But it complains not found. Am I running it the wrong way? Thanks Tian-Ying hadoop jar /tmp/hbase-0.94.17-SNAPSHOT.jar WALPlayer Unknown program 'WALPlayer' chosen. Valid program names are: CellCounter: Count cells in HBase table completebulkload: C

Re: Regarding Hardware configuration for HBase cluster

2014-02-06 Thread suresh babu
Hi Stana, We are trying to find out how many data nodes (including hardware configuration detail)should be configured or setup for this requirement -suresh On Friday, February 7, 2014, stana wrote: > HI suresh babu : > > how many data nodes do you have? > > > 2014-02-07 suresh babu >: > > > re

The 3rd HBase 0.98.0 release candidate (RC2) is available for download

2014-02-06 Thread Andrew Purtell
The 3rd HBase 0.98.0 release candidate (RC2) is available for download at http://people.apache.org/~apurtell/0.98.0RC2/ and Maven artifacts are also available in the temporary repository https://repository.apache.org/content/repositories/orgapachehbase

Re: Regarding Hardware configuration for HBase cluster

2014-02-06 Thread stana
HI suresh babu : how many data nodes do you have? 2014-02-07 suresh babu : > refreshing the thread, > > Can you please suggest any inputs for the hardware configuration(for the > below mentioned use case). > > > > > On Wed, Feb 5, 2014 at 10:31 AM, suresh babu > wrote: > > > Please find the d

Re: HBase 0.96 metrics

2014-02-06 Thread Ted Yu
These two metrics are the counter portion of MutableHistogram's for HLogs split which give you histogram using hadoop2's metrics2 system. See hbase-hadoop2-compat//src/main/java/org/apache/hadoop/hbase/master/MetricsMasterFilesystemSourceImpl.java Cheers On Thu, Feb 6, 2014 at 4:59 PM, Sreepat

HBase 0.96 metrics

2014-02-06 Thread Sreepathi
Hello, Could somebody explain what the following metrics mean and how they can be used ? HlogSplitTime_num_ops HlogSplitSize_num_ops -- *Regards,* --- *Sreepathi *

Re: WUI - Regionserver shows duplicated entries (IP-name)

2014-02-06 Thread Stack
In old versions of hbase (it should be fixed now -- let us know if not), we'd think the IP address and hostname different servers though they might come from the same host. St.Ack On Thu, Feb 6, 2014 at 12:22 PM, Federico Gaule wrote: > Thanks Samir. > Does anyone know why it show a duplicated

Re: WUI - Regionserver shows duplicated entries (IP-name)

2014-02-06 Thread Federico Gaule
Thanks Samir. Does anyone know why it show a duplicated rs not listed in zk? Thanks El feb 6, 2014 9:49 a.m., "Samir Ahmic" escribió: > Hi Federico, > > You can restart master that should clean rs list. > > Regards > > > 2014-02-05 18:15 GMT+01:00 Federico Gaule : > > > Dear all, > > > > I've in

RE: question about setting block cache size for a column family

2014-02-06 Thread Vladimir Rodionov
You can do this in hbase shell, or in code when you create or modify table. Best regards, Vladimir Rodionov Principal Platform Engineer Carrier IQ, www.carrieriq.com e-mail: vrodio...@carrieriq.com From: Yu, Libo [libo...@citi.com] Sent: Thursday, Februar

Re: question about setting block cache size for a column family

2014-02-06 Thread Ted Yu
HColumnDescriptor.setBlockSize() sets Blocksize to use when writing out storefiles/hfiles It doesn't affect block cache. Cheers On Thu, Feb 6, 2014 at 8:32 AM, Yu, Libo wrote: > Hi, > > I know hfile.block.cache.size can set a maximum limit on the memory used > by block cache. > HColumnDescript

question about setting block cache size for a column family

2014-02-06 Thread Yu, Libo
Hi, I know hfile.block.cache.size can set a maximum limit on the memory used by block cache. HColumnDescriptor.setBlockSize() can set the size for a column family. I wonder if it is possible to set the block size for each table in the configuration file. Thanks. Regards, Libo

Re: Regarding Hardware configuration for HBase cluster

2014-02-06 Thread suresh babu
refreshing the thread, Can you please suggest any inputs for the hardware configuration(for the below mentioned use case). On Wed, Feb 5, 2014 at 10:31 AM, suresh babu wrote: > Please find the data requirements for our use case below : > > Raw data processing > -

Re: WUI - Regionserver shows duplicated entries (IP-name)

2014-02-06 Thread Samir Ahmic
Hi Federico, You can restart master that should clean rs list. Regards 2014-02-05 18:15 GMT+01:00 Federico Gaule : > Dear all, > > I've introduced a new regionserver to my cluster. > First, there was no rDNS solving names, so it was named with it IP address. > Then i stop the rs, fixed rDNS an