[HBASE-15523] enhance hbase-daemon.sh to enable autorestart.

• Type: Improvement
• Status: Reopened
• Priority: Minor
• Resolution: Unresolved
• Assignee: Yi Liang
• Reporter: Yi Liang
• Created: 23/Mar/16 23:10
• Updated: 16/Sep/16 17:46

Description

enhance hbase-daemon.sh to enable autorestart.

component(like master, region server) will auto-start when terminated/killed abnormally if
(a) Add a new env variable $HBASE_AUTORESTART to hbase-env.sh i.e. export HBASE_AUTORESTART=true
(b) Then add the following 3 simple lines(59-61) to /bin/hbase-daemon.sh

51 # get arguments
52 startStop=$1
53 shift
54
55 command=$1
56 shift
57
58 #make sure the auto-restart are default settings
59 if [ "$HBASE_AUTORESTART" == "true" ] && [ "$startStop" == "start" ]; then
60 startStop="autorestart"
61 fi

Issue Links

• relates to: HBASE-5939 Add an autorestart option in the start scripts