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From "Amit Singh" <dev...@nic.in>
Subject RE: Cassandra nodes are down
Date Tue, 30 Jan 2018 12:13:07 GMT
Hello,

 

Please check in debug logs for detailed trace, here exact reason can't be
figure out. Try your luck there.

 

From: Mokkapati, Bhargav (Nokia - IN/Chennai)
[mailto:bhargav.mokkapati@nokia.com] 
Sent: Monday, January 29, 2018 11:09 PM
To: user@cassandra.apache.org
Cc: mbhargavnaidu@gmail.com
Subject: Cassandra nodes are down

 

Hi Team,

 

I'm getting the below warnings. Please help me out to clear these issues.

 

Apache Cassandra version : 3.0.13, 5 Node cluster

 

INFO  [main] 2018-01-29 16:58:19,487 NativeLibrary.java:167 - JNA mlockall
successful

WARN  [main] 2018-01-29 16:58:19,488 StartupChecks.java:121 - jemalloc
shared library could not be preloaded to speed up memory allocations

INFO  [main] 2018-01-29 16:58:19,488 StartupChecks.java:160 - JMX is enabled
to receive remote connections on port: 8002

WARN  [main] 2018-01-29 16:58:19,488 StartupChecks.java:178 - OpenJDK is not
recommended. Please upgrade to the newest Oracle Java release

INFO  [main] 2018-01-29 16:58:19,490 SigarLibrary.java:44 - Initializing
SIGAR library

WARN  [main] 2018-01-29 16:58:19,498 SigarLibrary.java:174 - Cassandra
server running in degraded mode. Is swap disabled? : true,  Address space
adequate? : true,  nofile limit adequate? : false, nproc limit adequate? :
true

WARN  [main] 2018-01-29 16:58:19,500 StartupChecks.java:246 - Maximum number
of memory map areas per process (vm.max_map_count) 65530 is too low,
recommended value: 1048575, you can change it with sysctl.

 

WARN  [main] 2018-01-29 17:05:07,844 SystemKeyspace.java:1042 - No host ID
found, created 2dc59352-e98e-4e77-a5f2-289697e467c7 (Note: This should
happen exactly once per node).

INFO  [main] 2018-01-29 17:05:16,421 Server.java:160 - Starting listening
for CQL clients on /10.50.21.22:9042 (unencrypted)...

INFO  [main] 2018-01-29 17:05:16,449 CassandraDaemon.java:488 - Not starting
RPC server as requested. Use JMX (StorageService->startRPCServer()) or
nodetool (enablethrift) to start it

INFO  [OptionalTasks:1] 2018-01-29 17:05:18,443
CassandraRoleManager.java:350 - Created default superuser role 'cassandra'

INFO  [StorageServiceShutdownHook] 2018-01-29 17:09:55,737
HintsService.java:212 - Paused hints dispatch

INFO  [StorageServiceShutdownHook] 2018-01-29 17:09:55,740 Server.java:180 -
Stop listening for CQL clients

INFO  [StorageServiceShutdownHook] 2018-01-29 17:09:55,740
Gossiper.java:1490 - Announcing shutdown

INFO  [StorageServiceShutdownHook] 2018-01-29 17:09:55,741
StorageService.java:1991 - Node /10.50.21.22 state jump to shutdown

INFO  [StorageServiceShutdownHook] 2018-01-29 17:09:57,743
MessagingService.java:811 - Waiting for messaging service to quiesce

INFO  [ACCEPT-/10.50.21.22] 2018-01-29 17:09:57,743
MessagingService.java:1110 - MessagingService has terminated the accept()
thread

INFO  [StorageServiceShutdownHook] 2018-01-29 17:09:57,797
HintsService.java:212 - Paused hints dispatch

 

Thanks,

Bhargav M.


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