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brettrann / gclog
Created Apr 11, 2018
4gb heap many 20ms YGC / sec
View gclog
2018-04-11T08:53:59.951+0000: 177829.970: [GC pause (G1 Evacuation Pause) (young), 0.0425543 secs]
[Parallel Time: 32.2 ms, GC Workers: 38]
[GC Worker Start (ms): Min: 177829970.6, Avg: 177829977.8, Max: 177830000.6, Diff: 30.0]
[Ext Root Scanning (ms): Min: 0.0, Avg: 0.2, Max: 0.8, Diff: 0.8, Sum: 8.5]
[Update RS (ms): Min: 0.0, Avg: 1.3, Max: 3.0, Diff: 3.0, Sum: 48.7]
[Processed Buffers: Min: 0, Avg: 2.7, Max: 9, Diff: 9, Sum: 104]
[Scan RS (ms): Min: 0.0, Avg: 0.0, Max: 0.1, Diff: 0.0, Sum: 0.4]
[Code Root Scanning (ms): Min: 0.0, Avg: 0.0, Max: 0.0, Diff: 0.0, Sum: 0.0]
[Object Copy (ms): Min: 0.0, Avg: 0.5, Max: 1.2, Diff: 1.2, Sum: 17.6]
[Termination (ms): Min: 0.0, Avg: 20.9, Max: 25.6, Diff: 25.6, Sum: 792.6]
@brettrann
brettrann / mixed gc log
Created Apr 11, 2018
mixed pauses with STW on 16GB. reduced by moving heap to 4GB. but that's added a new concern of 3-6 20ms youngs per second
View mixed gc log
2018-04-11T08:14:28.741+0000: 529814.699: [GC pause (G1 Evacuation Pause) (mixed), 0.2134632 secs]
[Parallel Time: 200.0 ms, GC Workers: 38]
[GC Worker Start (ms): Min: 529814699.6, Avg: 529814701.6, Max: 529814706.9, Diff: 7.3]
[Ext Root Scanning (ms): Min: 0.0, Avg: 0.5, Max: 1.1, Diff: 1.0, Sum: 19.0]
[Update RS (ms): Min: 0.0, Avg: 1.8, Max: 3.1, Diff: 3.1, Sum: 70.0]
[Processed Buffers: Min: 0, Avg: 2.8, Max: 12, Diff: 12, Sum: 106]
[Scan RS (ms): Min: 76.1, Avg: 122.7, Max: 192.8, Diff: 116.7, Sum: 4661.8]
[Code Root Scanning (ms): Min: 0.0, Avg: 0.0, Max: 0.0, Diff: 0.0, Sum: 0.0]
[Object Copy (ms): Min: 0.0, Avg: 1.3, Max: 10.0, Diff: 10.0, Sum: 48.7]
View gist:395c7779e5a96859674c7d38da14d3c3
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