See 9.3.1.1. Connection Pooling in http://hbase.apache.org/book.html
On Thu, Aug 1, 2013 at 6:32 AM, yonghu <[email protected]> wrote: > If I want to use multi-thread with thread safe, which class should I use? > > > On Thu, Aug 1, 2013 at 3:08 PM, Ted Yu <[email protected]> wrote: > > > HTable is not thread safe. > > > > On Aug 1, 2013, at 5:58 AM, Pavel Hančar <[email protected]> wrote: > > > > > Hello, > > > I have a class extending BaseRegionObserver and I use the postPut > method > > to > > > run a slow procedure. I'd like to run more these procedures in more > > > threads. Is it possible to run more HTable.put(put) methods > > concurrently? I > > > tried, but I have this error for each thread: > > > > > > Exception in thread "Thread-3" java.lang.IndexOutOfBoundsException: > > Index: > > > 1, Size: 1 > > > at java.util.ArrayList.rangeCheck(ArrayList.java:604) > > > at java.util.ArrayList.remove(ArrayList.java:445) > > > at > > > org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:966) > > > at org.apache.hadoop.hbase.client.HTable.doPut(HTable.java:811) > > > at org.apache.hadoop.hbase.client.HTable.put(HTable.java:786) > > > at img.PutFilesThread.run(PutFilesThread.java:74) > > > at java.lang.Thread.run(Thread.java:724) > > > > > > Anybody has an idea? > > > Thanks, > > > Pavel Hančar > > >
