Hi Vladimir, Oh...Really?
I was misunderstanding that it could be made clear. There is no choice but to give up. Thanks for advice, Takashi 2017-06-08 17:00 GMT+09:00 Vladimir Ozerov <[email protected]>: > Hi Takashi, > > "igfs://" prefix should be used in your application code, in those places > where data is accessed. It is illegal to change "hbase.wal.dir" property, as > it breaks HBase internals. > > On Thu, Jun 8, 2017 at 6:30 AM, Takashi Sasaki <[email protected]> wrote: >> >> Hello, >> >> I used igfs:// instead of hdfs:// for hbase.wal.dir property, then >> HBase Master Server throwed Exception. >> >> 2017-06-08 02:51:56,745 ERROR [main] master.HMasterCommandLine: Master >> exiting >> java.lang.RuntimeException: Failed construction of Master: class >> org.apache.hadoop.hbase.master.HMaster. >> at >> org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:2577) >> at >> org.apache.hadoop.hbase.master.HMasterCommandLine.startMaster(HMasterCommandLine.java:231) >> at >> org.apache.hadoop.hbase.master.HMasterCommandLine.run(HMasterCommandLine.java:137) >> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) >> at >> org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:126) >> at org.apache.hadoop.hbase.master.HMaster.main(HMaster.java:2587) >> Caused by: java.io.IOException: File system is already initialized: >> >> org.apache.ignite.internal.processors.hadoop.impl.igfs.HadoopIgfsWrapper@1dbd580 >> at >> org.apache.ignite.hadoop.fs.v1.IgniteHadoopFileSystem.initialize(IgniteHadoopFileSystem.java:215) >> at >> org.apache.hadoop.hbase.fs.HFileSystem.<init>(HFileSystem.java:87) >> at >> org.apache.hadoop.hbase.regionserver.HRegionServer.initializeFileSystem(HRegionServer.java:634) >> at >> org.apache.hadoop.hbase.regionserver.HRegionServer.<init>(HRegionServer.java:576) >> at org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:397) >> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native >> Method) >> >> I checked Ignite source code. >> It seems to be called initialize method more than once, so the server >> throw the exception. >> >> I added properties to core-site.xml: >> <property> >> <name>fs.igfs.impl</name> >> <value>org.apache.ignite.hadoop.fs.v1.IgniteHadoopFileSystem</value> >> </property> >> <property> >> <name>fs.AbstractFileSystem.igfs.impl</name> >> <value>org.apache.ignite.hadoop.fs.v2.IgniteHadoopFileSystem</value> >> </property> >> >> I changed property hbase-site.xml: >> <property> >> <name>hbase.wal.dir</name> >> <value>igfs://igfs@/user/hbase/WAL</value> >> </property> >> >> Hadoop version: 2.7.3 >> HBase version: 1.3.0 >> Ignite version: 2.0.0 >> >> How can I solve this problem? >> Give me advice if you like. >> >> Thanks, >> Takashi >> >> 2017-06-07 21:38 GMT+09:00 Takashi Sasaki <[email protected]>: >> > Hello, >> > >> > I'm newbie of Ignite, so have some question. >> > >> > When I use Secondary File System to write HBase WAL, should I use >> > igfs:// instead of hdfs:// ? >> > >> > hbase-site.xml(default) is hdfs://. >> > >> > ---------- >> > <property> >> > <name>hbase.wal.dir</name> >> > <value>hdfs://[dnsname]:[port]/user/hbase/WAL</value> >> > </property> >> > ---------- >> > >> > Does the secondary file system require some configuration changes to >> > Hbase? >> > >> > Please give me advice. >> > >> > Thanks, >> > Takashi > >
