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From Rohith Sharma K S <rohithsharm...@huawei.com>
Subject RE: what happens to a client attempting to get a new app when the resource manager is already down
Date Thu, 06 Feb 2014 05:00:47 GMT
       Default Retry time period is 15 minutes. Setting configuration  "yarn.resourcemanager.connect.max-wait.ms"
to lesser value,  retry period can be reduced in client side.

Thanks  & Regards
Rohith Sharma K S

From: Vinod Kumar Vavilapalli [mailto:vinodkv@hortonworks.com] On Behalf Of Vinod Kumar Vavilapalli
Sent: 05 February 2014 22:43
To: user@hadoop.apache.org; REYANE OUKPEDJO
Subject: Re: what happens to a client attempting to get a new app when the resource manager
is already down

Is this on trunk or a released version?

I think the default behavior (when RM HA is not enabled) shouldn't have client  loop forever.
Let me know and we can see if this needs fixing.

Thanks,
+vinod


On Jan 31, 2014, at 7:52 AM, REYANE OUKPEDJO <r.oukpedjo@yahoo.com<mailto:r.oukpedjo@yahoo.com>>
wrote:


Hi there,

I am trying to solve a problem. My client run as a server. And was trying to make my client
aware about the fact the resource manager is down but I could not figure out. The reason is
that the call :  yarnClient.createApplication(); never return when the resource manager is
down. However it just stay in a loops and sleep after 10 iteration and continue the same loops.
Below you can find the logs. Any idea how to leave this loop ? is there any parameter that
control the number of seconds before giving up.

Thanks

Reyane OUKPEDJO







logs
14/01/31 10:48:05 INFO ipc.Client: Retrying connect to server: isblade2/9.32.160.125:8032.
Already tried 8 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1 SECONDS)
14/01/31 10:48:06 INFO ipc.Client: Retrying connect to server: isblade2/9.32.160.125:8032.
Already tried 9 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1 SECONDS)
14/01/31 10:48:37 INFO ipc.Client: Retrying connect to server: isblade2/9.32.160.125:8032.
Already tried 0 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1 SECONDS)
14/01/31 10:48:38 INFO ipc.Client: Retrying connect to server: isblade2/9.32.160.125:8032.
Already tried 1 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1 SECONDS)
14/01/31 10:48:39 INFO ipc.Client: Retrying connect to server: isblade2/9.32.160.125:8032.
Already tried 2 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1 SECONDS)
14/01/31 10:48:40 INFO ipc.Client: Retrying connect to server: isblade2/9.32.160.125:8032.
Already tried 3 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1 SECONDS)
14/01/31 10:48:41 INFO ipc.Client: Retrying connect to server: isblade2/9.32.160.125:8032.
Already tried 4 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1 SECONDS)
14/01/31 10:48:42 INFO ipc.Client: Retrying connect to server: isblade2/9.32.160.125:8032.
Already tried 5 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1 SECONDS)
14/01/31 10:48:43 INFO ipc.Client: Retrying connect to server: isblade2/9.32.160.125:8032.
Already tried 6 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1 SECONDS)
14/01/31 10:48:44 INFO ipc.Client: Retrying connect to server: isblade2/9.32.160.125:8032.
Already tried 7 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1 SECONDS)
14/01/31 10:48:45 INFO ipc.Client: Retrying connect to server: isblade2/9.32.160.125:8032.
Already tried 8 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1 SECONDS)
14/01/31 10:48:46 INFO ipc.Client: Retrying connect to server: isblade2/9.32.160.125:8032.
Already tried 9 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1 SECONDS)
14/01/31 10:49:17 INFO ipc.Client: Retrying connect to server: isblade2/9.32.160.125:8032.
Already tried 0 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1 SECONDS)
14/01/31 10:49:18 INFO ipc.Client: Retrying connect to server: isblade2/9.32.160.125:8032.
Already tried 1 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1 SECONDS)
14/01/31 10:49:19 INFO ipc.Client: Retrying connect to server: isblade2/9.32.160.125:8032.
Already tried 2 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1 SECONDS)
14/01/31 10:49:20 INFO ipc.Client: Retrying connect to server: isblade2/9.32.160.125:8032.
Already tried 3 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1 SECONDS)
14/01/31 10:49:21 INFO ipc.Client: Retrying connect to server: isblade2/9.32.160.125:8032.
Already tried 4 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1 SECONDS)
14/01/31 10:49:22 INFO ipc.Client: Retrying connect to server: isblade2/9.32.160.125:8032.
Already tried 5 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1 SECONDS)



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