innobackupex做备份，在快要结束备份的时候，mysql的error日志报错如下，各位有碰到的吗？
120428 0:20:29 [Note] Error reading relay log event: slave SQL thread was killed
120428 0:20:40 [Note] Slave SQL thread initialized, starting replication in log 'mysql-bin.000479' at position 594450922, relay log './odb-s18890-relay-bin.000723' position: 594451067
120429 0:18:46 [Note] Error reading relay log event: slave SQL thread was killed
120429 0:18:59 [Note] Slave SQL thread initialized, starting replication in log 'mysql-bin.000480' at position 87693384, relay log './odb-s18890-relay-bin.000726' position: 87693529
120501 0:17:06 [Note] Error reading relay log event: slave SQL thread was killed
120501 0:17:17 [Note] Slave SQL thread initialized, starting replication in log 'mysql-bin.000481' at position 40112426, relay log './odb-s18890-relay-bin.000729' position: 40112571
120502 0:17:20 [Note] Error reading relay log event: slave SQL thread was killed
120502 0:17:32 [Note] Slave SQL thread initialized, starting replication in log 'mysql-bin.000481' at position 630504210, relay log './odb-s18890-relay-bin.000729' position: 630504355
120503 0:14:38 [Note] Error reading relay log event: slave SQL thread was killed
120503 0:14:49 [Note] Slave SQL thread initialized, starting replication in log 'mysql-bin.000482' at position 127916583, relay log './odb-s18890-relay-bin.000732' position: 127916728
