WCS - CPU usage increase even on idle

[Lee]

Hello:

I am using v.0.5.28.2753-5.2.73.
My hardware iis: Cpu 4x 3.4 xeon 1230v3 with Linux Centos 7.6, 16 GbRAM, 1TB HDD and firewall iptables (disabled for testing).
After a webcall, the WCS increases the CPU and memory usage. Each 2 seconds, it creates some log files. Bellow, a part of the log. In this period, no conference is running. I stoped and restarted the service and returned back to normal.
Also, in some webRTC conference, the owner don't see participant's video and audio. But the participant see owner's part. It seems the invited side does not connect to server (because didin't record on server). The invited person is using iPhone 8 with IOS 12.2. But some other guest with IOS 12.1.4 works well.
Any issue about IOS 12.2? Any fix?


2019-04-15T16:22:53.983-0300: 14521.282: [GC (CMS Initial Mark) [1 CMS-initial-mark: 63K(64K)] 745743K(943744K), 0.1176172 secs] [Times: user=0.46 sys=0.00, real=0.11 secs]
2019-04-15T16:22:54.101-0300: 14521.399: [CMS-concurrent-mark-start]
2019-04-15T16:22:54.101-0300: 14521.399: [CMS-concurrent-mark: 0.000/0.000 secs] [Times: user=0.00 sys=0.00, real=0.00 secs]
2019-04-15T16:22:54.101-0300: 14521.399: [CMS-concurrent-preclean-start]
2019-04-15T16:22:54.101-0300: 14521.400: [CMS-concurrent-preclean: 0.000/0.000 secs] [Times: user=0.00 sys=0.00, real=0.00 secs]
2019-04-15T16:22:54.101-0300: 14521.400: [CMS-concurrent-abortable-preclean-start]
2019-04-15T16:22:54.101-0300: 14521.400: [CMS-concurrent-abortable-preclean: 0.000/0.000 secs] [Times: user=0.00 sys=0.00, real=0.00 secs]
2019-04-15T16:22:54.102-0300: 14521.400: [GC (CMS Final Remark) [YG occupancy: 745679 K (943680 K)]2019-04-15T16:22:54.102-0300: 14521.400: [Rescan (parallel) , 0.0925051 secs]2019-04-15T16:22:54.194-0300: 14521.493: [weak refs processing, 0.0000347 secs]2019-04-15T16:22:54.194-0300: 14521.493: [class unloading, 0.0067197 secs]2019-04-15T16:22:54.201-0300: 14521.499: [scrub symbol table, 0.0045278 secs]2019-04-15T16:22:54.206-0300: 14521.504: [scrub string table, 0.0004163 secs][1 CMS-remark: 63K(64K)] 745743K(943744K), 0.1057475 secs] [Times: user=0.39 sys=0.00, real=0.11 secs]
2019-04-15T16:22:54.208-0300: 14521.506: [CMS-concurrent-sweep-start]
2019-04-15T16:22:54.208-0300: 14521.506: [CMS-concurrent-sweep: 0.000/0.000 secs] [Times: user=0.00 sys=0.00, real=0.00 secs]
2019-04-15T16:22:54.208-0300: 14521.506: [CMS-concurrent-reset-start]
2019-04-15T16:22:54.208-0300: 14521.506: [CMS-concurrent-reset: 0.000/0.000 secs] [Times: user=0.00 sys=0.00, real=0.00 secs]

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2019-04-15T16:22:56.207-0300: 14523.505: [GC (CMS Initial Mark) [1 CMS-initial-mark: 63K(64K)] 746412K(943744K), 0.1170748 secs] [Times: user=0.46 sys=0.00, real=0.12 secs]
2019-04-15T16:22:56.324-0300: 14523.623: [CMS-concurrent-mark-start]
2019-04-15T16:22:56.324-0300: 14523.623: [CMS-concurrent-mark: 0.000/0.000 secs] [Times: user=0.00 sys=0.00, real=0.00 secs]
2019-04-15T16:22:56.324-0300: 14523.623: [CMS-concurrent-preclean-start]
2019-04-15T16:22:56.325-0300: 14523.623: [CMS-concurrent-preclean: 0.000/0.000 secs] [Times: user=0.00 sys=0.00, real=0.00 secs]
2019-04-15T16:22:56.325-0300: 14523.623: [CMS-concurrent-abortable-preclean-start]
2019-04-15T16:22:56.325-0300: 14523.623: [CMS-concurrent-abortable-preclean: 0.000/0.000 secs] [Times: user=0.00 sys=0.00, real=0.00 secs]
2019-04-15T16:22:56.325-0300: 14523.623: [GC (CMS Final Remark) [YG occupancy: 746348 K (943680 K)]2019-04-15T16:22:56.325-0300: 14523.623: [Rescan (parallel) , 0.0929775 secs]2019-04-15T16:22:56.418-0300: 14523.716: [weak refs processing, 0.0000214 secs]2019-04-15T16:22:56.418-0300: 14523.716: [class unloading, 0.0065242 secs]2019-04-15T16:22:56.425-0300: 14523.723: [scrub symbol table, 0.0045180 secs]2019-04-15T16:22:56.429-0300: 14523.728: [scrub string table, 0.0004124 secs][1 CMS-remark: 63K(64K)] 746412K(943744K), 0.1059906 secs] [Times: user=0.38 sys=0.00, real=0.11 secs]
2019-04-15T16:22:56.431-0300: 14523.729: [CMS-concurrent-sweep-start]
2019-04-15T16:22:56.431-0300: 14523.729: [CMS-concurrent-sweep: 0.000/0.000 secs] [Times: user=0.00 sys=0.00, real=0.00 secs]
2019-04-15T16:22:56.431-0300: 14523.730: [CMS-concurrent-reset-start]
2019-04-15T16:22:56.431-0300: 14523.730: [CMS-concurrent-reset: 0.000/0.000 secs] [Times: user=0.00 sys=0.00, real=0.00 secs]

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2019-04-15T16:22:58.430-0300: 14525.729: [GC (CMS Initial Mark) [1 CMS-initial-mark: 63K(64K)] 746412K(943744K), 0.1158999 secs] [Times: user=0.46 sys=0.00, real=0.12 secs]
2019-04-15T16:22:58.546-0300: 14525.845: [CMS-concurrent-mark-start]
2019-04-15T16:22:58.546-0300: 14525.845: [CMS-concurrent-mark: 0.000/0.000 secs] [Times: user=0.00 sys=0.00, real=0.00 secs]
2019-04-15T16:22:58.547-0300: 14525.845: [CMS-concurrent-preclean-start]
2019-04-15T16:22:58.547-0300: 14525.845: [CMS-concurrent-preclean: 0.000/0.000 secs] [Times: user=0.00 sys=0.00, real=0.00 secs]
2019-04-15T16:22:58.547-0300: 14525.845: [CMS-concurrent-abortable-preclean-start]
2019-04-15T16:22:58.547-0300: 14525.845: [CMS-concurrent-abortable-preclean: 0.000/0.000 secs] [Times: user=0.00 sys=0.00, real=0.00 secs]
2019-04-15T16:22:58.547-0300: 14525.846: [GC (CMS Final Remark) [YG occupancy: 746348 K (943680 K)]2019-04-15T16:22:58.547-0300: 14525.846: [Rescan (parallel) , 0.0928811 secs]2019-04-15T16:22:58.640-0300: 14525.939: [weak refs processing, 0.0000269 secs]2019-04-15T16:22:58.640-0300: 14525.939: [class unloading, 0.0066904 secs]2019-04-15T16:22:58.647-0300: 14525.945: [scrub symbol table, 0.0045168 secs]2019-04-15T16:22:58.651-0300: 14525.950: [scrub string table, 0.0004185 secs][1 CMS-remark: 63K(64K)] 746412K(943744K), 0.1060523 secs] [Times: user=0.38 sys=0.00, real=0.11 secs]
2019-04-15T16:22:58.653-0300: 14525.952: [CMS-concurrent-sweep-start]
2019-04-15T16:22:58.653-0300: 14525.952: [CMS-concurrent-sweep: 0.000/0.000 secs] [Times: user=0.00 sys=0.00, real=0.00 secs]
2019-04-15T16:22:58.653-0300: 14525.952: [CMS-concurrent-reset-start]
2019-04-15T16:22:58.653-0300: 14525.952: [CMS-concurrent-reset: 0.000/0.000 secs] [Times: user=0.00 sys=0.00, real=0.00 secs]




Thanks,

 

[Max]

Good day.
1. You have JVM garbage collector (GC) running every 2 second. Please try to allocate more Java Heap memory, in your case 8 Gb using the following settings in wcs-core.properties file:

-Xmx8g
-Xms8g

2. We have fixed iOS 12.2 streaming issues in WebSDK build 0.5.28.2753.79. Please download it and update WebSDK.