bq. our hbase version was 0.94.0 and hadoop version was 1.0.3 If possible, consider upgrading HBase to 0.94.12 and Hadoop to 1.2.1
Cheers On Wed, Oct 23, 2013 at 7:18 AM, 张莉苹 <[email protected]> wrote: > Hello Ted, and Julian, > > It seemed I didn't receive your mail from my gmail inbox. It was strange. > Anyhow I found your reply by google search. ：） > > I'll answer your questions here, and thanks very much for your reply. > > > From *Ted*: > > What version of HBase and Hadoop are you using ? > > >> our hbase version was 0.94.0 and hadoop version was 1.0.3 > > Can you show us more of the master log ? > > >> I'm so sorry, the master log could not be accessed. The environment was > only used by me for a short while. > > > From * Michael < > http://www.mail-archive.com/[email protected]&q=from:%22Michael+Segel%22 > >:* > > > Why 9 zookeepers? > > >> the previous zookeeper number was 5, we also thought the number of > zookeeper was too small, so we increased it into 9, but it still failed. > > > From *Julian*: > > > Hello Michelle, > How many regions totally are there in your 600 nodes cluster? Looks > like many of them are pending for open and being assigned to region > servers. > Can you see many items under zookeeper dir /hbase/unassigned? > > >> we had 60K regions, the env could not be accessed. > > You would like to refer > http://blog.sina.com.cn/s/blog_4a1f59bf01018tu4.html? > > >> kind of help, thanks! > > > > > > Cheers, > ----- > Big Data - Big Wisdom - Big Value > -------------- > Michelle Zhang (Li Ping Zhang) > > > 2013/10/23 张莉苹 <[email protected]> > > > Dear HBase dev and users, > > > > Did you meet this > > > "org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.listTables" > > issue? > > > > We setup a 600 nodes cluster, 9 zookeeper nodes to load data into hbase, > > but it seemed hbase master was busy handling transition with zookeeper, > > and hbase “list” could not get response. The hbase table was created but > > it didn't do any insert. > > > > Do you have any idea of the root cause and how to fix it? :)Highly > > appreciate for your answers! > > > > > > > > Here is the exception stack: > > --------------------------------------------------- > > java.lang.reflect.UndeclaredThrowableException > > at $Proxy7.getHTableDescriptors(Unknown Source) > > at > > > org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.listTables(HConnectionManager.java:2237) > > at > > org.apache.hadoop.hbase.client.HBaseAdmin.listTables(HBaseAdmin.java:317) > > > > > > > > > > hbase master log: > > > > ----------------------------- > > > > 2013-10-18 06:19:41,279 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: > > master:60000-0x341be88202300ab* Deleting existing unassigned node* for > > 0ec3308bd1e2bdd9576b2d60d2eee68e that is in expected state > > RS_ZK_REGION_OPENED > > > > 2013-10-18 06:19:41,279 DEBUG > > org.apache.hadoop.hbase.master.AssignmentManager:* Handling > > transition=RS_ZK_REGION_OPENING*, s*erver=node0878*. > > ic.analyticsworkbench.com,60020,1381883086785, > > region=15a4fb29aa1d905b13f33594e50bc8de, which is more than 15 seconds > late > > > > 2013-10-18 06:19:41,280 DEBUG > > org.apache.hadoop.hbase.master.AssignmentManager: *Handling > > transition=RS_ZK_REGION_OPENING, server=node0898*. > > ic.analyticsworkbench.com,60020,1381883200494, > > region=1a4c929534e6828c85f22b062f949304, which is more than 15 seconds > late > > > > 2013-10-18 06:19:41,289 DEBUG org.apache.hadoop.hbase.zookeeper.ZKAssign: > > master:60000-0x341be88202300ab Successfully *deleted unassigned node *for > > region 0ec3308bd1e2bdd9576b2d60d2eee68e in expected state > > RS_ZK_REGION_OPENED > > > > 2013-10-18 06:19:41,289 DEBUG > > org.apache.hadoop.hbase.master.AssignmentManager: Handling > > transition=RS_ZK_REGION_OPENING, server= > node0693.ic.analyticsworkbench.com,60020,1381881773670, > > region=d47bfe1af0051c405de295a51c1c6e63, which is more than 15 seconds > late > > > > > > > > We also try to "list" in hbase shell,it also failed: > > > > The hbase “list” got error as: > > > > ------------------------------------------ > > > > > > > > hbase(main):001:0> list > > > > TABLE > > > > > > > > > > ERROR: java.lang.reflect.UndeclaredThrowableException: Call to > > node0997.ic.analyticsworkbench.com/10.1.50.17:60000 failed on socket > > timeout exception: java.net.SocketTimeoutException: 120000 millis timeout > > while waiting for channel to be ready for read. ch : > > java.nio.channels.SocketChannel[connected local=/10.1.50.15:45726remote= > > node0997.ic.analyticsworkbench.com/10.1.50.17:60000] > > > > > > > > > > Cheers, > > ----- > > Big Data - Big Wisdom - Big Value > > -------------- > > Michelle Zhang (Li Ping Zhang) > > >
