1、直接崩溃,无任何异常日志
我们使用cloudera的hbase发行版本安装,一切正常,一旦向hbase写数据,很快就挂掉,没有任何异常日志。
后来,发现cloudera为hbase只分配了50M的内存,很快出现oom,连打印错误日志的内存空间就没有了,直接爆掉。
2、20多台节点,偶尔一两台宕机
晚上9点45:45.455 WARN org.apache.hadoop.hbase.util.Sleeper
We slept 44340ms instead of 10000ms, this is likely due to a long garbage collecting pause and it's usually bad, see http://hbase.apache.org/book.html#trouble.rs.runtime.zkexpired
晚上9点45:45.455 WARN org.apache.hadoop.hbase.util.Sleeper
We slept 44338ms instead of 10000ms, this is likely due to a long garbage collecting pause and it's usually bad, see http://hbase.apache.org/book.html#trouble.rs.runtime.zkexp