[
https://issues.apache.org/jira/browse/HBASE-9026?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Y. SREENIVASULU REDDY updated HBASE-9026:
-----------------------------------------
Description:
In ChaosMonkey instead of restarting Root holded regionServer it is restarting
META holded regionServer.
{code}
public static class RestartRsHoldingRoot extends RestartRandomRs {
public RestartRsHoldingRoot(long sleepTime) {
super(sleepTime);
}
@Override
void perform() throws Exception {
LOG.info("Performing action: Restart region server holding ROOT");
ServerName server = cluster.getServerHoldingMeta();
if (server == null) {
LOG.warn("No server is holding -ROOT- right now.");
return;
}
restartRs(server, sleepTime);
}
}
{code}
{noformat}
13/07/23 17:03:54 INFO util.ChaosMonkey: Performing action: Restart region
server holding ROOT
13/07/23 17:03:54 DEBUG client.HConnectionManager$HConnectionImplementation:
Looked up root region location,
connection=org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@52b57e9a;
serverName=ocean06,60020,1374569995361
13/07/23 17:03:54 DEBUG client.HConnectionManager$HConnectionImplementation:
Removed .META.,,1.1028785192 for tableName=.META. from cache because of
13/07/23 17:03:54 DEBUG client.HConnectionManager$HConnectionImplementation:
Cached location for .META.,,1.1028785192 is ocean06:60020
13/07/23 17:03:54 INFO util.ChaosMonkey: Killing region
server:ocean06,60020,1374569995361
13/07/23 17:03:54 INFO hbase.HBaseCluster: Aborting RS:
ocean06,60020,1374569995361
13/07/23 17:03:54 INFO hbase.ClusterManager: Executing remote command: ps ux |
grep regionserver | grep hbase | grep -v grep | tr -s ' ' | cut -d ' ' -f2 |
xargs kill -s SIGKILL , hostname:ocean06
13/07/23 17:03:54 INFO util.Shell: Executing full command [/usr/bin/ssh
ocean06 "ps ux | grep regionserver | grep hbase | grep -v grep | tr -s ' ' |
cut -d ' ' -f2 | xargs kill -s SIGKILL"]
13/07/23 17:03:54 INFO hbase.ClusterManager: Executed remote command, exit
code:0 , output:
13/07/23 17:03:54 INFO hbase.HBaseCluster: Waiting service:regionserver to
stop: ocean06,60020,1374569995361
13/07/23 17:03:54 INFO hbase.ClusterManager: Executing remote command: ps ux |
grep regionserver | grep hbase | grep -v grep | tr -s ' ' | cut -d ' ' -f2 ,
hostname:ocean06
13/07/23 17:03:54 INFO util.Shell: Executing full command [/usr/bin/ssh
ocean06 "ps ux | grep regionserver | grep hbase | grep -v grep | tr -s ' ' |
cut -d ' ' -f2"]
13/07/23 17:03:55 INFO hbase.ClusterManager: Executed remote command, exit
code:0 , output:
13/07/23 17:03:55 INFO util.ChaosMonkey: Killed region
server:ocean06,60020,1374569995361. Reported num of rs:2
{noformat}
This is only in 0.94.X
Affects Version/s: 0.94.8
> RestartRsHoldingRoot action in org.apache.hadoop.hbase.util.ChaosMonkey
> restarting the server holding .META. instead of -ROOT-
> ------------------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-9026
> URL: https://issues.apache.org/jira/browse/HBASE-9026
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.94.8
> Reporter: Y. SREENIVASULU REDDY
> Priority: Minor
>
> In ChaosMonkey instead of restarting Root holded regionServer it is
> restarting META holded regionServer.
> {code}
> public static class RestartRsHoldingRoot extends RestartRandomRs {
> public RestartRsHoldingRoot(long sleepTime) {
> super(sleepTime);
> }
> @Override
> void perform() throws Exception {
> LOG.info("Performing action: Restart region server holding ROOT");
> ServerName server = cluster.getServerHoldingMeta();
> if (server == null) {
> LOG.warn("No server is holding -ROOT- right now.");
> return;
> }
> restartRs(server, sleepTime);
> }
> }
> {code}
> {noformat}
> 13/07/23 17:03:54 INFO util.ChaosMonkey: Performing action: Restart region
> server holding ROOT
> 13/07/23 17:03:54 DEBUG client.HConnectionManager$HConnectionImplementation:
> Looked up root region location,
> connection=org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation@52b57e9a;
> serverName=ocean06,60020,1374569995361
> 13/07/23 17:03:54 DEBUG client.HConnectionManager$HConnectionImplementation:
> Removed .META.,,1.1028785192 for tableName=.META. from cache because of
> 13/07/23 17:03:54 DEBUG client.HConnectionManager$HConnectionImplementation:
> Cached location for .META.,,1.1028785192 is ocean06:60020
> 13/07/23 17:03:54 INFO util.ChaosMonkey: Killing region
> server:ocean06,60020,1374569995361
> 13/07/23 17:03:54 INFO hbase.HBaseCluster: Aborting RS:
> ocean06,60020,1374569995361
> 13/07/23 17:03:54 INFO hbase.ClusterManager: Executing remote command: ps ux
> | grep regionserver | grep hbase | grep -v grep | tr -s ' ' | cut -d ' ' -f2
> | xargs kill -s SIGKILL , hostname:ocean06
> 13/07/23 17:03:54 INFO util.Shell: Executing full command [/usr/bin/ssh
> ocean06 "ps ux | grep regionserver | grep hbase | grep -v grep | tr -s ' ' |
> cut -d ' ' -f2 | xargs kill -s SIGKILL"]
> 13/07/23 17:03:54 INFO hbase.ClusterManager: Executed remote command, exit
> code:0 , output:
> 13/07/23 17:03:54 INFO hbase.HBaseCluster: Waiting service:regionserver to
> stop: ocean06,60020,1374569995361
> 13/07/23 17:03:54 INFO hbase.ClusterManager: Executing remote command: ps ux
> | grep regionserver | grep hbase | grep -v grep | tr -s ' ' | cut -d ' ' -f2
> , hostname:ocean06
> 13/07/23 17:03:54 INFO util.Shell: Executing full command [/usr/bin/ssh
> ocean06 "ps ux | grep regionserver | grep hbase | grep -v grep | tr -s ' ' |
> cut -d ' ' -f2"]
> 13/07/23 17:03:55 INFO hbase.ClusterManager: Executed remote command, exit
> code:0 , output:
> 13/07/23 17:03:55 INFO util.ChaosMonkey: Killed region
> server:ocean06,60020,1374569995361. Reported num of rs:2
> {noformat}
> This is only in 0.94.X
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