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From Mich Talebzadeh <mich.talebza...@gmail.com>
Subject Re: Problem starting region server with Hbase version hbase-2.0.0
Date Thu, 07 Jun 2018 13:41:45 GMT
Hi,

Please find below

*bin/hbase version*
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in
[jar:file:/data6/hduser/hbase-2.0.0/lib/phoenix-5.0.0-alpha-HBase-2.0-client.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in
[jar:file:/data6/hduser/hbase-2.0.0/lib/slf4j-log4j12-1.7.25.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in
[jar:file:/home/hduser/hadoop-2.7.3/share/hadoop/common/lib/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an
explanation.
HBase 2.0.0
Source code repository git://
kalashnikov.att.net/Users/stack/checkouts/hbase.git
revision=7483b111e4da77adbfc8062b3b22cbe7c2cb91c1
Compiled by stack on Sun Apr 22 20:26:55 PDT 2018
>From source with checksum a59e806496ef216732e730c746bbe5ac

*l**s -lah lib/hadoop**
-rw-r--r-- 1 hduser hadoop  41K Apr 23 04:26
lib/hadoop-annotations-2.7.4.jar
-rw-r--r-- 1 hduser hadoop  93K Apr 23 04:26 lib/hadoop-auth-2.7.4.jar
-rw-r--r-- 1 hduser hadoop  26K Apr 23 04:29 lib/hadoop-client-2.7.4.jar
-rw-r--r-- 1 hduser hadoop 1.9M Apr 23 04:28
lib/hadoop-common-2.7.4-tests.jar
-rw-r--r-- 1 hduser hadoop 3.4M Apr 23 04:26 lib/hadoop-common-2.7.4.jar
-rw-r--r-- 1 hduser hadoop 127K Apr 23 04:29 lib/hadoop-distcp-2.7.4.jar
-rw-r--r-- 1 hduser hadoop 3.4M Apr 23 04:29 lib/hadoop-hdfs-2.7.4-tests.jar
-rw-r--r-- 1 hduser hadoop 8.0M Apr 23 04:29 lib/hadoop-hdfs-2.7.4.jar
-rw-r--r-- 1 hduser hadoop 532K Apr 23 04:29
lib/hadoop-mapreduce-client-app-2.7.4.jar
-rw-r--r-- 1 hduser hadoop 759K Apr 23 04:29
lib/hadoop-mapreduce-client-common-2.7.4.jar
-rw-r--r-- 1 hduser hadoop 1.5M Apr 23 04:27
lib/hadoop-mapreduce-client-core-2.7.4.jar
-rw-r--r-- 1 hduser hadoop 188K Apr 23 04:29
lib/hadoop-mapreduce-client-hs-2.7.4.jar
-rw-r--r-- 1 hduser hadoop  62K Apr 23 04:29
lib/hadoop-mapreduce-client-jobclient-2.7.4.jar
-rw-r--r-- 1 hduser hadoop  71K Apr 23 04:28
lib/hadoop-mapreduce-client-shuffle-2.7.4.jar
-rw-r--r-- 1 hduser hadoop  26K Apr 23 04:28
lib/hadoop-minicluster-2.7.4.jar
-rw-r--r-- 1 hduser hadoop 2.0M Apr 23 04:27 lib/hadoop-yarn-api-2.7.4.jar
-rw-r--r-- 1 hduser hadoop 163K Apr 23 04:28
lib/hadoop-yarn-client-2.7.4.jar
-rw-r--r-- 1 hduser hadoop 1.7M Apr 23 04:27
lib/hadoop-yarn-common-2.7.4.jar
-rw-r--r-- 1 hduser hadoop 216K Apr 23 04:28
lib/hadoop-yarn-server-applicationhistoryservice-2.7.4.jar
-rw-r--r-- 1 hduser hadoop 380K Apr 23 04:28
lib/hadoop-yarn-server-common-2.7.4.jar
-rw-r--r-- 1 hduser hadoop 703K Apr 23 04:28
lib/hadoop-yarn-server-nodemanager-2.7.4.jar
-rw-r--r-- 1 hduser hadoop 1.3M Apr 23 04:29
lib/hadoop-yarn-server-resourcemanager-2.7.4.jar
-rw-r--r-- 1 hduser hadoop  75K Apr 23 04:28
lib/hadoop-yarn-server-tests-2.7.4-tests.jar
-rw-r--r-- 1 hduser hadoop  58K Apr 23 04:29
lib/hadoop-yarn-server-web-proxy-2.7.4.jar

Also I am on Hadoop 2.7.3

*hadoop version*
Hadoop 2.7.3
Subversion https://git-wip-us.apache.org/repos/asf/hadoop.git -r
baa91f7c6bc9cb92be5982de4719c1c8af91ccff
Compiled by root on 2016-08-18T01:41Z
Compiled with protoc 2.5.0
>From source with checksum 2e4ce5f957ea4db193bce3734ff29ff4
This command was run using
/home/hduser/hadoop-2.7.3/share/hadoop/common/hadoop-common-2.7.3.jar


Dr Mich Talebzadeh



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On 7 June 2018 at 14:20, Sean Busbey <sean.busbey@gmail.com> wrote:

> HBase needs HDFS syncs to avoid dataloss during component failure.
>
> What's the output of the command "bin/hbase version"?
>
>
> What's the result of doing the following in the hbase install?
>
> ls -lah lib/hadoop*
>
> On Jun 7, 2018 00:58, "Mich Talebzadeh" <mich.talebzadeh@gmail.com> wrote:
>
> yes correct I am using Hbase on hdfs  with hadoop-2.7.3
>
> The file system is ext4.
>
> I was hoping that I can avoid the sync option,
>
> many thanks
>
>
>
> Dr Mich Talebzadeh
>
>
>
> LinkedIn * https://www.linkedin.com/profile/view?id=
> AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw
> <https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCd
> OABUrV8Pw>*
>
>
>
> http://talebzadehmich.wordpress.com
>
>
> *Disclaimer:* Use it at your own risk. Any and all responsibility for any
> loss, damage or destruction of data or any other property which may arise
> from relying on this email's technical content is explicitly disclaimed.
> The author will in no case be liable for any monetary damages arising from
> such loss, damage or destruction.
>
>
>
> On 7 June 2018 at 01:43, Sean Busbey <busbey@apache.org> wrote:
>
> > On Wed, Jun 6, 2018 at 6:11 PM, Mich Talebzadeh
> > <mich.talebzadeh@gmail.com> wrote:
> > >
> > >
> > > so the region server started OK but then I had a problem with master :(
> > >
> > > java.lang.IllegalStateException: The procedure WAL relies on the
> > ability to
> > > hsync for proper operation during component failures, but the
> underlying
> > > filesystem does not support doing so. Please check the config value of
> > > 'hbase.procedure.store.wal.use.hsync' to set the desired level of
> > > robustness and ensure the config value of 'hbase.wal.dir' points to a
> > > FileSystem mount that can provide it.
> > >
> >
> > This error means that you're running on top of a Filesystem that
> > doesn't provide sync.
> >
> > Are you using HDFS? What version?
> >
>
>
>

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