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 LinkedIn * https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw <https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw>* 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 14:20, Sean Busbey <sean.bus...@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.talebza...@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 <bus...@apache.org> wrote: > > > On Wed, Jun 6, 2018 at 6:11 PM, Mich Talebzadeh > > <mich.talebza...@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? > > > > >
