Unable to see hbase 0.98 jars in mirror website

Hi, I am unable to see the hbase 0.98 jars in mirror website ( http://mirror.metrocast.net/apache/hbase/ ). Is there any issue ? -- Thanks and Regards, Vimal Jain

Re: Schema migration in Hbase

are there in test1 table ? Please consider approach #1 for efficiency. Cheers On Oct 15, 2014, at 10:24 PM, Vimal Jain vkj...@gmail.com wrote: Hi, I have a hbase table( say test1) with 3 cfs ( a,b,c) and i have bunch of cqs in each of these cf. I also have one more table ( say test2) with some

Schema migration in Hbase

this. I am using hbase 0.94.17. -- Thanks and Regards, Vimal Jain

Re: [ANNOUNCE] New HBase PMC members: Matteo Bertozzi, Nick Dimiduk, and Jeffrey Zhong

Congrats !! Thanks and Regards, Vimal Jain On Aug 26, 2014 6:21 AM, Mikhail Antonov olorinb...@gmail.com wrote: Congratulations guys! -Mikhail 2014-08-25 17:32 GMT-07:00 Ted Yu yuzhih...@gmail.com: Congrats to Matteo, Nick and Jeffrey ! On Aug 25, 2014, at 5:24 PM, Jonathan Hsieh j

Re: Replication in Hbase

:21 AM, Vimal Jain vkj...@gmail.com wrote: Hi, I have 2 Hbase clusters setup in different data center. Both are configured in pseudo-distributed mode. I followed the steps in Hbase Replication https://hbase.apache.org/apidocs/org/apache/hadoop/hbase/replication/package-summary.html

Difference between different tar

/stable1/hadoop-1.2.1.tar.gz ( the one without bin) ? Which one should i use ? For Hbase , i am using hbase-0.98.3-hadoop1-bin.tar.gz http://apache.arvixe.com/hbase/stable/hbase-0.98.3-hadoop1-bin.tar.gz. -- Thanks and Regards, Vimal Jain

Replication in Hbase

, it says zookeeper should not be managed by Hbase.But i have Hbase managing zookeeper in both clusters. Please help here. Basically , i want to copy all data from one cluster to another which are geographically distant. -- Thanks and Regards, Vimal Jain

Copy data from one cluster to another cluster on different lan

? Also If i choose to install hbase 0.98.3 on cluster2 , would there be any issues ? Please help here. -- Thanks and Regards, Vimal Jain

is 0.98.3 the stable version ?

release. Which version of hadoop does hbase 0.98.3 works with ? Do i need to compile from source ? -- Thanks and Regards, Vimal Jain

No of column qualifiers in a column family

impact on performance ? -- Thanks and Regards, Vimal Jain

Re: No of column qualifiers in a column family

Thanks Dima for a quick response. Thanks and Regards, Vimal Jain On Jun 15, 2014 4:39 PM, Dima Spivak dspi...@cloudera.com wrote: Hi Vimal, There's no limit on how many qualifiers a particular column family can have, nor should there be any performance degradation due to simply having

Re: No of column qualifiers in a column family

Ohhk .. Thanks wellington .. I will check it out .. Thanks and Regards, Vimal Jain On Jun 15, 2014 5:06 PM, Wellington Chevreuil wellington.chevre...@gmail.com wrote: Hi Vimal, Adding to Dima's comment, just be aware about how large your rows will become in bytes, with so much cqs. If you

Adding a new column family in existing table

Hi, Is it poosible to add couple of new column families after creation of a table through DML commands ? If yes , what impacts it has ? I am using hbase 0.94.17 . -- Thanks and Regards, Vimal Jain

Re: Getting exceptions in fresh installment of hbase

1.2.1 or hadop 1.1.2 ? On Sat, Mar 22, 2014 at 11:15 AM, Vimal Jain vkj...@gmail.com wrote: Stack, Thanks a lot for the analysis , so nothing to worry about ? Lars, I did not built hbase from source. I simply downloaded tars from hbase and hadoop download page( hbase from stable

Re: Getting exceptions in fresh installment of hbase

. Some notes on getting 0.94 running on hadoop2 are here: http://hbase.apache.org/book.html#ftn.d248e643 St.Ack -- Thanks and Regards, Vimal Jain

Re: Getting exceptions in fresh installment of hbase

On Thu, Mar 20, 2014 at 10:12 PM, Vimal Jain vkj...@gmail.com wrote: Yes Stack. On Fri, Mar 21, 2014 at 9:22 AM, Stack st...@duboce.net wrote: On Thu, Mar 20, 2014 at 4:19 AM, Vimal Jain vkj...@gmail.com wrote: Hi, I am configuring hbase ( 0.94.17 and hadoop 1.2.1

Re: Getting exceptions in fresh installment of hbase

the next time). -- Lars From: Vimal Jain vkj...@gmail.com To: user@hbase.apache.org user@hbase.apache.org Sent: Thursday, March 20, 2014 11:10 PM Subject: Re: Getting exceptions in fresh installment of hbase Hi Stack, I will delete everything

Re: Getting exceptions in fresh installment of hbase

://pastebin.com/Fi38vUeS Please help in understanding this and let me know if there is any confusion. On Fri, Mar 21, 2014 at 12:38 PM, Vimal Jain vkj...@gmail.com wrote: Hi Stack/Lars, I configured Hbase again in pseudo distributed mode. Again i got some exceptions which have shared in pastebin

Re: Getting exceptions in fresh installment of hbase

and won't work with Hadoop 1.2.x or 2.x.y. -- Lars -- *From:* Vimal Jain vkj...@gmail.com *To:* user@hbase.apache.org user@hbase.apache.org; lars hofhansl la...@apache.org *Sent:* Friday, March 21, 2014 12:08 AM *Subject:* Re: Getting exceptions in fresh

A question about Scan

objects. Will this return me all rows which has a value for that particular column qualifier or do i need to use some filters ? -- Thanks and Regards, Vimal Jain

Re: A question about Scan

all the rows that has this particular CF and CQ because we explicity track this column. Do you get anything different? Regards Ram On Thu, Mar 20, 2014 at 11:52 AM, Vimal Jain vkj...@gmail.com wrote: Hi, I want to run a scan on table and get all rows for whom there is a value set

Getting exceptions in fresh installment of hbase

txntype:-1 reqpath:n/a Error Path:/hbase/backup-mast ers/hbase.rummycircle.com,6,1395314029900 Error:KeeperErrorCode = NoNode for /hbase/backup-masters/hbase.rummycircle.com,6,1395 314029900 3rd and 5th ones getting repeated multiple times. Please help. -- Thanks and Regards, Vimal Jain

Re: Getting exceptions in fresh installment of hbase

Yes Stack. On Fri, Mar 21, 2014 at 9:22 AM, Stack st...@duboce.net wrote: On Thu, Mar 20, 2014 at 4:19 AM, Vimal Jain vkj...@gmail.com wrote: Hi, I am configuring hbase ( 0.94.17 and hadoop 1.2.1 ) in pseudo distributed mode and i am getting below exceptions when starting hbase

Re: Use cases where HMaster deals with DFS client

/MasterFileSystem.html Take a browse. See how Master does stuff like set up the initial layout on fresh-start/bootstrap and how it orchestrates the WAL file splitting on regionserver crash, etc. St.Ack On Tue, Mar 18, 2014 at 10:22 PM, Vimal Jain vkj...@gmail.com wrote: Hi, While reading

Use cases where HMaster deals with DFS client

Hi, While reading Hbase:The definitive guide , its mentioned that sometimes Hmaster may have to deal with DFS client for accessing HFiles. What is the use case ? -- Thanks and Regards, Vimal Jain

Internals of Hbase

, then any guideline to go though such a big project ? -- Thanks and Regards, Vimal Jain

Format of -ROOT- and .META. tables

table name. Is there any guide in understanding structure of these system tables ? Please help. -- Thanks and Regards, Vimal Jain

Eventual consistency in Hbase

Hi, I heard that Hbase provides eventual consistency. What does that mean ? Where can i get more information on different consistency model and how hbase achieves eventual consistency ? -- Thanks and Regards, Vimal Jain

Re: Eventual consistency in Hbase

Strongly consistent reads/writes: HBase is not an eventually consistent DataStore. This makes it very suitable for tasks such as high-speed counter aggregation. On Fri, Mar 14, 2014 at 12:21 PM, Vimal Jain vkj...@gmail.com wrote: Hi, I heard that Hbase provides eventual consistency. What does

Size of data directory same on all nodes in cluster

machine. Please help. -- Thanks and Regards, Vimal Jain

Detailed description of Zookeeper's role in Hbase system

Hi, Can someone please direct me to good resources in understanding Zookeeper's role in Hbase system ? One in official guide does not explain it in detail. -- Thanks and Regards, Vimal Jain

Re: 答复: Detailed description of Zookeeper's role in Hbase system

regionserver failover 7. store replication configuration such as whether replication is enabled, peer configuration and setting, and etc 8. store cluster-id 发件人: Vimal Jain [vkj...@gmail.com] 发送时间: 2014年3月11日 14:52 收件人: user@hbase.apache.org 主题

Re: Upgrading from pseudo distributed mode to fully distributed mode

Any help please. On Fri, Mar 7, 2014 at 10:54 AM, Vimal Jain vkj...@gmail.com wrote: Please note i am planning to have hbase 0.94.17 and Hadoop 1.2.1 in new cluster. On Fri, Mar 7, 2014 at 10:52 AM, Vimal Jain vkj...@gmail.com wrote: Hi, I have hbase setup in pseudo distributed atop

Bunch of errros/exceptions in 2 node hbase cluster setup

(This is repeated 6-7 times ). -- Thanks and Regards, Vimal Jain

Region splits even when max Hstorefile is less then default value

/* *3.2G HadoopData/* where HadoopData is my hadoop.tmp.dir ( place where hadoop stores data ). Please help in understanding this. -- Thanks and Regards, Vimal Jain

Re: Region splits even when max Hstorefile is less then default value

GMT-05:00 Vimal Jain vkj...@gmail.com: Hi, I am running 2 node hbase cluster atop HDFS. I was simulating a heavy write process on Hbase for performance analysis. I found that my HstoreFile has not reached hbase.hregion.max.filesize property ( which is by default 10G ) and yet my region

Re: Region splits even when max Hstorefile is less then default value

config file? JM 2014-03-06 8:02 GMT-05:00 Vimal Jain vkj...@gmail.com: Hi Jean, I am not sure about this. Whats the default policy ? On Thu, Mar 6, 2014 at 6:30 PM, Jean-Marc Spaggiari jean-m...@spaggiari.org wrote: Hi Vimal, This is used only

Re: Region splits even when max Hstorefile is less then default value

2014-03-06 8:08 GMT-05:00 Vimal Jain vkj...@gmail.com: Hi, I am using 0.94.17 and my config file is property namehbase.rootdir/name valuehdfs://10.14.24.19:9000/hbase/value /property property

Upgrading from pseudo distributed mode to fully distributed mode

) ? Please help. -- Thanks and Regards, Vimal Jain

Re: Upgrading from pseudo distributed mode to fully distributed mode

Please note i am planning to have hbase 0.94.17 and Hadoop 1.2.1 in new cluster. On Fri, Mar 7, 2014 at 10:52 AM, Vimal Jain vkj...@gmail.com wrote: Hi, I have hbase setup in pseudo distributed atop HDFS ( again pseudo distributed mode ) in production. This Hbase version is 0.94.7

Re: 答复: New region server not assigned any region

发件人: Vimal Jain [vkj...@gmail.com] 发送时间: 2014年3月4日 14:26 收件人: user@hbase.apache.org 主题: New region server not assigned any region Hi, I first decommissioned a region server by using below command on master *./graceful_stop.sh ip-10-14-24-19* and then added back same server

Replication between pseudo distributed mode and full distributed mode

is having older version ( 0.94.6 ) and setup2 is having latest stable version ( 0.94.17) . Will this work ? -- Thanks and Regards, Vimal Jain

Re: Replication between pseudo distributed mode and full distributed mode

#copytable JM 2014-03-03 5:37 GMT-05:00 Vimal Jain vkj...@gmail.com: Hi, I have hbase setup in pseudo distributed mode with HDFS lets say setup1. I want to build a fresh 2 node cluster lets say setup2. I want to copy data from setup1 to setup2. I am analyzing replication feature in hbase

New region server not assigned any region

not assigned any region. Can you please help. -- Thanks and Regards, Vimal Jain

LSM tree, SSTable and fractal tree

Hi, Which one of the storage structure does hbase uses ? Is it LSM tree , SSTable or fractal tree ? -- Thanks and Regards, Vimal Jain

Re: ROOT table removed from 0.96 ?

Thanks Matteo and Jean. On Fri, Feb 28, 2014 at 7:06 PM, Jean-Marc Spaggiari jean-m...@spaggiari.org wrote: Yes. Please refer to https://issues.apache.org/jira/browse/HBASE-3171 . JM 2014-02-28 8:34 GMT-05:00 Vimal Jain vkj...@gmail.com: Hi, Is ROOT table removed from Hbase 0.96

ROOT table removed from 0.96 ?

Hi, Is ROOT table removed from Hbase 0.96 ? -- Thanks and Regards, Vimal Jain

Re: LSM tree, SSTable and fractal tree

Where can i get more information about these structures ? Thanks and Regards, Vimal Jain On Feb 28, 2014 8:07 PM, yonghu yongyong...@gmail.com wrote: Hbase uses LSM tree and SStable, not sure for fractal tree On Fri, Feb 28, 2014 at 2:57 PM, Shahab Yunus shahab.yu...@gmail.com wrote

Re: Lastest Hbase documentation

. See http://hbase.apache.org/0.94/book.html. St.Ack On Wed, Feb 19, 2014 at 10:39 PM, Vimal Jain vkj...@gmail.com wrote: Hi, Where can i find latest Hbase documentation. On Hbase website , the documentation is for 0.94.6 and current stable version is 0.94.16.So i am guessing

Lastest Hbase documentation

is for 0.92 which is bit outdated. Can anyone please point me to latest Hbase documentation or any book ? Please help. -- Thanks and Regards, Vimal Jain

Re: Copying data from one Hbase cluster to Another Hbase cluster

are offline. I have never used this approach but it should work. Regards On Fri, Feb 14, 2014 at 11:15 AM, Vimal Jain vkj...@gmail.com wrote: Hi Samir, As far as i know all these techniques require map reduce daemons to be up on source and destination cluster

Re: Specification document for Hbase

Any help please. On Fri, Aug 9, 2013 at 7:42 PM, Vimal Jain vkj...@gmail.com wrote: Hi, I did not see any link for Hbase Specification document ( like JSR in java ) on Hbase home page. Can someone please provide a link for the same ? -- Thanks and Regards, Vimal Jain -- Thanks

Re: Copying data from one Hbase cluster to Another Hbase cluster

. Regards Samir On Fri, Feb 14, 2014 at 8:33 AM, Vimal Jain vkj...@gmail.com wrote: Hi, I have Hbase and Hadoop setup in pseudo distributed mode in production. Now i am planning to move from pseudo distributed mode to fully distributed mode ( 2 node cluster). My existing Hbase and Hadoop

Hadoop and Hbase setup

should i use ? What are major differences between these two ? -- Thanks and Regards, Vimal Jain

Copying data from one Hbase cluster to Another Hbase cluster

version 0.94.16 and Hadoop version ( either 1.X or 2.X , not yet decided ). What are different ways to copy data from existing setup ( pseudo distributed mode ) to this new setup ( 2 node fully distributed mode). Please help. -- Thanks and Regards, Vimal Jain

Re: Exception in data node log

Vimal Jain vkj...@gmail.com: Hi, I have set up hbase in pseudo distributed mode. I keep on getting below exceptions in data node log. Is it a problem ? ( Hadoop version - 1.1.2 , Hbase version - 0.94.7 ) Please help. java.net.SocketTimeoutException: 48 millis timeout while

Exception in data node log

(DataXceiver.java:202) at org.apache.hadoop.hdfs.server.datanode.DataXceiver.run(DataXceiver.java:104) at java.lang.Thread.run(Thread.java:662) -- Thanks and Regards, Vimal Jain

Re: High Full GC count for Region server

Hi, Can anyone please reply to the above query ? On Tue, Oct 29, 2013 at 10:48 AM, Vimal Jain vkj...@gmail.com wrote: Hi, Here is my analysis of this problem.Please correct me if i wrong somewhere. I have assigned 2 GB to region server process.I think its sufficient enough to handle around

Re: High Full GC count for Region server

Hi Ted/Jean, Can you please help here ? On Tue, Oct 22, 2013 at 10:29 PM, Vimal Jain vkj...@gmail.com wrote: Hi Ted, Yes i checked namenode and datanode logs and i found below exceptions in both the logs:- Name node :- java.io.IOException: File /hbase/event_data

Re: Warning messages in hbase logs

Hi Kiru, Can you please elaborate on this ? On Mon, Oct 21, 2013 at 5:30 PM, Vimal Jain vkj...@gmail.com wrote: Hi Kiru, Thanks for the reply. My understanding is not very clear with respect to these warning messages in region server logs. When i read documentation , it says its related

High Full GC count for Region server

39309 bytes -- Thanks and Regards, Vimal Jain

Re: High Full GC count for Region server

...@spaggiari.org wrote: Hi Vimal, What are your settings? Memory of the host, and memory allocated for the different HBase services? Thanks, JM 2013/10/22 Vimal Jain vkj...@gmail.com Hi, I am running in Hbase in pseudo distributed mode. ( Hadoop version - 1.1.2 , Hbase version

Re: High Full GC count for Region server

, 2013 at 8:15 PM, Jean-Marc Spaggiari jean-m...@spaggiari.org wrote: Hi Vimal, What are your settings? Memory of the host, and memory allocated for the different HBase services? Thanks, JM 2013/10/22 Vimal Jain vkj...@gmail.com Hi, I am running

Re: Warning messages in hbase logs

| webcloudtech.wordpress.com -- *From:* Vimal Jain vkj...@gmail.com *To:* Himanshu Vashishtha hv.cs...@gmail.com *Cc:* user@hbase.apache.org user@hbase.apache.org; Kiru Pakkirisamy kirupakkiris...@yahoo.com; lars hofhansl la...@apache.org *Sent:* Thursday, October 17, 2013 9:39

Re: Exceptions in Hadoop and Hbase log files

namenode 3. hadoop-daemon.sh start datanode This will show start up errors if any, also verify if the datanode is able to communicate with the namenode. Thanks Divye Sheth On Fri, Oct 18, 2013 at 3:51 PM, Vimal Jain vkj...@gmail.com wrote: Hi, I am running Hbase in pseudo distributed

Re: Sudden increase in disk utilization

Can anyone please throw some light on this ? On Fri, Oct 18, 2013 at 7:57 AM, Vimal Jain vkj...@gmail.com wrote: Nopes..i am not using any compression.its disabled by default right? Btw i am using hbase 0.94.7 Thanks and Regards, Vimal Jain On Oct 17, 2013 11:19 PM, lars hofhansl la

Exceptions in Hadoop and Hbase log files

:104) at java.lang.Thread.run(Thread.java:662) -- Thanks and Regards, Vimal Jain

Re: Exceptions in Hadoop and Hbase log files

(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) These exceptions keep on filling my disk space. Let me know if you need more information. Please help here. On Fri, Oct 18, 2013 at 3:51 PM, Vimal Jain vkj...@gmail.com wrote: Hi, I am running Hbase in pseudo distributed

Sudden increase in disk utilization

and Regards, Vimal Jain

Re: Sudden increase in disk utilization

Nopes..i am not using any compression.its disabled by default right? Btw i am using hbase 0.94.7 Thanks and Regards, Vimal Jain On Oct 17, 2013 11:19 PM, lars hofhansl la...@apache.org wrote: Are you using any compression? From: Vimal Jain vkj...@gmail.com

Re: Warning messages in hbase logs

() (0.94.9) [HBASE-9087] - Handlers being blocked during reads (0.94.11) -- Lars From: Vimal Jain vkj...@gmail.com To: user@hbase.apache.org; lars hofhansl la...@apache.org Cc: Kiru Pakkirisamy kirupakkiris...@yahoo.com Sent: Wednesday, September 25, 2013 10

Re: Warning messages in hbase logs

on 0.94.x and I moved to 0.95.2 for this reason (see HBASE-9410) Regards, - kiru From: Vimal Jain vkj...@gmail.com To: user@hbase.apache.org Sent: Tuesday, September 24, 2013 9:36 PM Subject: Warning messages in hbase logs Hi, I am seeing some warning message

Warning messages in hbase logs

, methodsFingerPrint=-1368823753,client: 192.168.20.31:42206 ,starttimems:1380057021850,queuetimems:0,class:HRegionServer,responsesize:0,method:multi} * Can someone please help in understanding what this warning message is ? -- Thanks and Regards, Vimal Jain

Re: Warning messages in hbase logs

problem when running on 0.94.x and I moved to 0.95.2 for this reason (see HBASE-9410) Regards, - kiru From: Vimal Jain vkj...@gmail.com To: user@hbase.apache.org Sent: Tuesday, September 24, 2013 9:36 PM Subject: Warning messages in hbase logs Hi, I am

Information about hbase 0.96

Hi, Where can i get information about hbase 0.96 like what are its additional features , its release date ? -- Thanks and Regards, Vimal Jain

Re: HBase - stable versions

. -- Lars -- Best regards, - Andy Problems worthy of attack prove their worth by hitting back. - Piet Hein (via Tom White) -- Thanks and Regards, Vimal Jain

Re: Performance analysis in Hbase

, Vimal Jain vkj...@gmail.com wrote: Hi, I am running Hbase in *pseudo distributed mode on top of HDFS.* So far , its been running fine. In past i had some memory related issue ( long GC pauses ). So i wanted to know if there is a way through GUI ( web UI on 60010,60030) or CLI ( shell) to get

Re: Setting zookeeper timeout to higher value

Can someone please give advice on this ? On Tue, Aug 20, 2013 at 12:41 PM, Vimal Jain vkj...@gmail.com wrote: Hi, I am running Hbase in pseudo distributed mode on top HDFS. Recently , i was facing problems related to long GC pauses. When i read in official documentation , its suggested

Re: Setting zookeeper timeout to higher value

that a pseudo distributed distributed HBase installation is for testing purposes, and not to sustain a production load. JM 2013/8/21 Vimal Jain vkj...@gmail.com Hi Jean, Sorry , but i did not get you completely. When you say its for testing , what exactly it means ? On Wed, Aug 21, 2013 at 5

Re: Is it possible to alter no of versions of cells

, 2013 1:08 PM, Vimal Jain vkj...@gmail.com wrote: Hi, As far as i know , we define number of versions of cells per column family at time of creation of table. Once we define it lets say 2 for a cf 'data' , is it possible to alter it and make it 5 for the same cf 'data' at later point

Is it possible to alter no of versions of cells

it will have to existing data cells/other impacts ? -- Thanks and Regards, Vimal Jain

Exceptions in log files of Hadoop and Hbase

:1149) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1387) -- Thanks and Regards, Vimal Jain

Re: Exceptions in log files of Hadoop and Hbase

, Aug 13, 2013 at 6:42 PM, Jean-Marc Spaggiari jean-m...@spaggiari.org wrote: Hi Vimal, What was your cluster doing at that time? Was it very busy? Looks like one server (192.168.20.30 http://192.168.20.30:50010) went so busy that it failed to report active and closed. JM 2013/8/13 Vimal Jain

Re: Exceptions in log files of Hadoop and Hbase

and processes will close... JM 2013/8/13 Vimal Jain vkj...@gmail.com Hi Jean-Marc, Thanks for your reply. I have one node cluster(pseudo distributed mode) , so 192.168.20.30 is the only server which hosts all 6 processes ( namenode,datanode,secondarynamenode,Hmaster,HRegion and Zookeeper

maxSize parameter in HTablePool class

, Vimal Jain

Re: maxSize parameter in HTablePool class

of them are going to stay on the pool. The remaining 2 are going to be released. HTH JM 2013/8/10 Vimal Jain vkj...@gmail.com I am using HTablePool class in my client code to interact with Hbase. I see many constructors for this class ,one of them is : HTablePool

Specification document for Hbase

Hi, I did not see any link for Hbase Specification document ( like JSR in java ) on Hbase home page. Can someone please provide a link for the same ? -- Thanks and Regards, Vimal Jain

Re: Memory distribution for Hadoop/Hbase processes

pid where pid is the process Id for Namenode, Datanode, etc. Cheers On Sun, Aug 4, 2013 at 6:33 AM, Vimal Jain vkj...@gmail.com wrote: Hi, I have configured Hbase in pseudo distributed mode with HDFS as underlying storage.I am not using map reduce framework as of now I

Re: How many column families in one table ?

at most), and that families rarely change during operation. So Is that theoretical value ( 100 CFs ) or its possible but not with the current version of Hbase ? On Tue, Jul 2, 2013 at 12:48 AM, Viral Bajaria viral.baja...@gmail.comwrote: On Mon, Jul 1, 2013 at 10:06 AM, Vimal Jain vkj

Memory distribution for Hadoop/Hbase processes

-15 GB , so what should be ideal memory distribution ? -- Thanks and Regards, Vimal Jain

Re: How many column families in one table ?

+Column+Family+Limit+Reasoning Shorter version: http://search-hadoop.com/m/qOx8l15Z1q42 Otis -- Solr ElasticSearch Support -- http://sematext.com/ Performance Monitoring -- http://sematext.com/spm On Fri, Jun 28, 2013 at 8:40 AM, Vimal Jain vkj...@gmail.com wrote: Hi All , Thanks

Re: How many column families in one table ?

? Did you see any GC locks ? How much RAM are you giving to your RS ? -Viral On Mon, Jul 1, 2013 at 1:44 AM, Vimal Jain vkj...@gmail.com wrote: To completely scan the table for all 140 columns , it takes around 30-40 minutes. -- Thanks and Regards, Vimal Jain

Re: How many column families in one table ?

retrieved per row basis. So was just curious to find if that small logic in my code is contributing towards the long time taken to scan the table. On Mon, Jul 1, 2013 at 2:41 PM, Vimal Jain vkj...@gmail.com wrote: I scanned it during normal traffic hours.There was no I/O load on the server. I

Re: How many column families in one table ?

? Otherwise each call to next() is a RPC roundtrip and you are basically measuring your networks RTT. -- Lars From: Vimal Jain vkj...@gmail.com To: user@hbase.apache.org Sent: Monday, July 1, 2013 4:11 AM Subject: Re: How many column families in one table ? Can

Re: How many column families in one table ?

...@gmail.com wrote: bq. I have configured Hbase in pseudo distributed mode on top of HDFS. What was the reason for using pseudo distributed mode in production setup ? Cheers On Mon, Jul 1, 2013 at 1:44 AM, Vimal Jain vkj...@gmail.com wrote: Thanks Dhaval/Michael/Ted/Otis for your replies

Re: How many column families in one table ?

. the storage is sparse. Each column is represented by its own key value pair, and HBase has to do the work to reassemble the data. -- Lars From: Vimal Jain vkj...@gmail.com To: user@hbase.apache.org Sent: Monday, July 1, 2013 4:44 AM Subject: Re: How many

Re: How many column families in one table ?

On Fri, Jun 28, 2013 at 1:37 PM, Michel Segel michael_se...@hotmail.com wrote: Short answer... As few as possible. 14 CF doesn't make too much sense. Sent from a remote device. Please excuse any typos... Mike Segel On Jun 28, 2013, at 12:20 AM, Vimal Jain vkj...@gmail.com wrote

Problems while exporting from Hbase to CSV file

of default values for each column). Is there any method in Result class or any other class to accomplish this ? Please help here. -- Thanks and Regards, Vimal Jain

How many column families in one table ?

, Vimal Jain

HMaster and HRegionServer going down

org.apache.hadoop.hbase.master.HMasterCommandLine: Failed to start master java.lang.RuntimeException: HMaster Aborted -- Thanks and Regards, Vimal Jain

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