Knowledge Doc: LoadBalancer unable to receive any events.

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Summary
LoadBalancer unable to receive any events due to the lack of memory.

Products
ArcSight Standard Connectors

Environment
ArcSight LoadBalancer 8.4.0
OS: RHEL 7.7.

Situation
LoadBalancer unable to receive any events due to the lack of memory.

The below errors found in the LoadBalancer logs


Loadbalancer.log:

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2023-01-24 08:39:43,551 [INFO][statisticsLogging][com.arcsight.lb.stats.b][run] - Java memory total=8192 MB, free=17 MB, number of threads=314, System load average=1.09
 
2023-01-24 08:40:44,304 [INFO][statisticsLogging][com.arcsight.lb.stats.b][run] - Java memory total=8192 MB, free=13 MB, number of threads=314, System load average=1.13
 
2023-01-24 08:42:07,415 [INFO][statisticsLogging][com.arcsight.lb.stats.b][run] - Java memory total=8192 MB, free=7 MB, number of threads=328, System load average=0.81

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Lb.out.wrapper.log:

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INFO   | jvm 1    | 2023/01/24 08:43:00 | [GC pause (G1 Evacuation Pause) (young) 8184M->8184M(8192M), 0.0029274 secs]
INFO   | jvm 1    | 2023/01/24 08:43:00 | [GC pause (G1 Evacuation Pause) (young) (initial-mark) 8184M->8184M(8192M), 0.0033105 secs]
INFO   | jvm 1    | 2023/01/24 08:43:00 | [GC concurrent-root-region-scan-start]
INFO   | jvm 1    | 2023/01/24 08:43:00 | [GC concurrent-root-region-scan-end, 0.0000332 secs]
INFO   | jvm 1    | 2023/01/24 08:43:00 | [GC concurrent-mark-start]
INFO   | jvm 1    | 2023/01/24 08:43:00 | [GC pause (G1 Evacuation Pause) (young) 8184M->8184M(8192M), 0.0023528 secs]
INFO   | jvm 1    | 2023/01/24 08:43:01 | [Full GC (Allocation Failure)
INFO   | jvm 1    | 2023/01/24 08:43:03 |  8184M->8184M(8192M), 2.6722042 secs]
INFO   | jvm 1    | 2023/01/24 08:43:03 | [Full GC (Allocation Failure)
INFO   | jvm 1    | 2023/01/24 08:43:06 |  8184M->8184M(8192M), 2.6539953 secs]
INFO   | jvm 1    | 2023/01/24 08:43:06 | [GC concurrent-mark-abort]
INFO   | jvm 1    | 2023/01/24 08:43:06 | #
INFO   | jvm 1    | 2023/01/24 08:43:06 | # A fatal error has been detected by the Java Runtime Environment:
INFO   | jvm 1    | 2023/01/24 08:43:06 | #
INFO   | jvm 1    | 2023/01/24 08:43:06 | #  SIGSEGV (0xb) at pc=0x00007f09e8c9f3f8, pid=1888, tid=0x00007f096a321700
INFO   | jvm 1    | 2023/01/24 08:43:06 | #


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Due to the lack of memory issue, this affected to LoadBalancer’s performance and unable to receive any events from the sources.

Read Full Knowledge Base Article for Resolution Steps. 



URL Name
KM000013943

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