Return-Path: X-Original-To: apmail-hbase-dev-archive@www.apache.org Delivered-To: apmail-hbase-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 9F5BB1811D for ; Mon, 29 Jun 2015 13:21:06 +0000 (UTC) Received: (qmail 95335 invoked by uid 500); 29 Jun 2015 13:21:05 -0000 Delivered-To: apmail-hbase-dev-archive@hbase.apache.org Received: (qmail 95224 invoked by uid 500); 29 Jun 2015 13:21:05 -0000 Mailing-List: contact dev-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hbase.apache.org Delivered-To: mailing list dev@hbase.apache.org Received: (qmail 94931 invoked by uid 99); 29 Jun 2015 13:21:05 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 29 Jun 2015 13:21:05 +0000 Date: Mon, 29 Jun 2015 13:21:05 +0000 (UTC) From: "Liu Shaohui (JIRA)" To: dev@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (HBASE-13988) Add exception handler for lease thread MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Liu Shaohui created HBASE-13988: ----------------------------------- Summary: Add exception handler for lease thread Key: HBASE-13988 URL: https://issues.apache.org/jira/browse/HBASE-13988 Project: HBase Issue Type: Bug Affects Versions: 2.0.0 Reporter: Liu Shaohui Assignee: Liu Shaohui Priority: Minor In a prod cluster, a region server exited for some important threads were not alive. After excluding other threads from the log, we doubted the lease thread was the root. So we need to add an exception handler to the lease thread to debug why it exited in future. {quote} 2015-06-29,12:46:09,222 INFO org.apache.hadoop.hbase.regionserver.HRegionServer: STOPPED: One or more threads are no longer alive -- stop 2015-06-29,12:46:09,223 INFO org.apache.hadoop.ipc.HBaseServer: Stopping server on 21600 ... 2015-06-29,12:46:09,330 INFO org.apache.hadoop.hbase.regionserver.LogRoller: LogRoller exiting. 2015-06-29,12:46:09,330 INFO org.apache.hadoop.hbase.regionserver.MemStoreFlusher: Thread-37 exiting 2015-06-29,12:46:09,330 INFO org.apache.hadoop.hbase.regionserver.HRegionServer$CompactionChecker: regionserver21600.compactionChecker exiting 2015-06-29,12:46:12,403 INFO org.apache.hadoop.hbase.regionserver.HRegionServer$PeriodicMemstoreFlusher: regionserver21600.periodicFlusher exiting {quote} -- This message was sent by Atlassian JIRA (v6.3.4#6332)