Hi, all I restart a region server by using graceful_stop.sh (bin/graceful_stop.sh --restart --reload --debug hostname), when running a moment, the process hanging as follows:
2014-01-08 18:40:48,150 [main] INFO region_mover - Moving region 78c953d53f6498664d9a067701a7e7d7 (42 of 340) to server=inspur255.deu.edu.cn,60020,1388056934052 2014-01-08 18:40:50,097 [main] INFO region_mover - Moving region c621b3bf29262ca5248c03a8d6ebb41e (43 of 340) to server=inspur253.deu.edu.cn,60020,1388053123213 2014-01-08 18:40:51,652 [main] INFO region_mover - Moving region 4dad873a6af4d3a9809339281c3cb34c (44 of 340) to server=inspur254.deu.edu.cn,60020,1388054917364 2014-01-08 18:40:56,701 [main] INFO region_mover - Moving region 0e311941f5ff202bcefe57aa4079a188 (45 of 340) to server=inspur253.deu.edu.cn,60020,1388053123213 2014-01-08 18:40:58,632 [main] INFO region_mover - Moving region 3a955559fb65caf32a05e18b8b6b93f8 (46 of 340) to server=inspur308.deu.edu.cn,60020,1388059770705 2014-01-08 18:41:02,127 [main] INFO region_mover - Moving region 34f3ef516fe6fba940eeb0902b9acd3d (47 of 340) to server=inspur254.deu.edu.cn,60020,1388054917364 2014-01-08 18:41:03,689 [main] INFO region_mover - Moving region ac201a56d80f13ca5357d474578a91c2 (48 of 340) to server=inspur308.deu.edu.cn,60020,1388059770705 2014-01-08 18:41:05,669 [main] INFO region_mover - Moving region 812912be704946d24c5f1b5e3184b2f5 (49 of 340) to server=inspur253.deu.edu.cn,60020,1388053123213 I run ‘du' command to check the last region , which has not any data. hadoop@inspur249:~/hbase$ hdfs dfs -du -s -h /hbase/test/812912be704946d24c5f1b5e3184b2f5/* 486 /hbase/test/812912be704946d24c5f1b5e3184b2f5/.regioninfo 0 /hbase/test/812912be704946d24c5f1b5e3184b2f5/body 0 /hbase/test/812912be704946d24c5f1b5e3184b2f5/meta hadoop version is cdh4.2.1 and hbase is 0.94 Thanks! Best Regards~ Xiyi