Last active
August 29, 2015 14:15
-
-
Save phobos182/83cf1b744b59af94dd6a to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Statistics for BinaryTreeDictionary: | |
| ------------------------------------ | |
| Total Free Space: 542384916 | |
| Max Chunk Size: 337614532 | |
| Number of Blocks: 58933 | |
| Av. Block Size: 9203 | |
| Tree Height: 124 | |
| Before GC: | |
| Statistics for BinaryTreeDictionary: | |
| ------------------------------------ | |
| Total Free Space: 3297792 | |
| Max Chunk Size: 3297792 | |
| Number of Blocks: 1 | |
| Av. Block Size: 3297792 | |
| Tree Height: 1 | |
| 138323.261: [ParNew | |
| Desired survivor size 26836992 bytes, new threshold 4 (max 4) | |
| - age 1: 2206232 bytes, 2206232 total | |
| - age 2: 371632 bytes, 2577864 total | |
| - age 3: 426416 bytes, 3004280 total | |
| - age 4: 561680 bytes, 3565960 total | |
| : 430289K->4434K(471872K), 0.0270280 secs] 26103784K->25681405K(30667584K)After GC: | |
| Statistics for BinaryTreeDictionary: | |
| ------------------------------------ | |
| Total Free Space: 541952273 | |
| Max Chunk Size: 337614532 | |
| Number of Blocks: 58930 | |
| Av. Block Size: 9196 | |
| Tree Height: 123 | |
| After GC: | |
| Statistics for BinaryTreeDictionary: | |
| ------------------------------------ | |
| Total Free Space: 3297792 | |
| Max Chunk Size: 3297792 | |
| Number of Blocks: 1 | |
| Av. Block Size: 3297792 | |
| Tree Height: 1 | |
| , 0.0273530 secs] [Times: user=0.40 sys=0.00, real=0.03 secs] | |
| CMS: abort preclean due to time 2015-02-22T11:08:05.875+0000: 138324.866: [CMS-concurrent-abortable-preclean: 4.979/5.042 secs] [Times: user=8.30 sys=0.24, real=5.04 secs] | |
| 2015-02-22T16:46:15.254+0000: 158614.246: [GC Before GC: | |
| Statistics for BinaryTreeDictionary: | |
| ------------------------------------ | |
| Total Free Space: 1900367996 | |
| Max Chunk Size: 337614532 | |
| Number of Blocks: 274663 | |
| Av. Block Size: 6918 | |
| Tree Height: 159 | |
| Before GC: | |
| Statistics for BinaryTreeDictionary: | |
| ------------------------------------ | |
| Total Free Space: 3322368 | |
| Max Chunk Size: 3322368 | |
| Number of Blocks: 1 | |
| Av. Block Size: 3322368 | |
| Tree Height: 1 | |
| 158614.249: [ParNew | |
| Desired survivor size 26836992 bytes, new threshold 4 (max 4) | |
| - age 1: 1940824 bytes, 1940824 total | |
| - age 2: 1560536 bytes, 3501360 total | |
| - age 3: 1298344 bytes, 4799704 total | |
| - age 4: 1526128 bytes, 6325832 total | |
| : 430150K->9605K(471872K), 0.0313340 secs] 15139573K->14722203K(30667584K)After GC: | |
| Statistics for BinaryTreeDictionary: | |
| ------------------------------------ | |
| Total Free Space: 1899973204 | |
| Max Chunk Size: 337614532 | |
| Number of Blocks: 274603 | |
| Av. Block Size: 6918 | |
| Tree Height: 159 | |
| After GC: | |
| Statistics for BinaryTreeDictionary: | |
| ------------------------------------ | |
| Total Free Space: 3322368 | |
| Max Chunk Size: 3322368 | |
| Number of Blocks: 1 | |
| Av. Block Size: 3322368 | |
| Tree Height: 1 | |
| , 5.1768270 secs] [Times: user=0.39 sys=0.00, real=5.18 secs] | |
| 2015-02-22T16:46:48.471+0000: 158647.462: [GC Before GC: | |
| Statistics for BinaryTreeDictionary: | |
| ------------------------------------ | |
| Total Free Space: 1897098753 | |
| Max Chunk Size: 337614532 | |
| Number of Blocks: 273583 | |
| Av. Block Size: 6934 | |
| Tree Height: 159 | |
| Before GC: | |
| Statistics for BinaryTreeDictionary: | |
| ------------------------------------ | |
| Total Free Space: 3322368 | |
| Max Chunk Size: 3322368 | |
| Number of Blocks: 1 | |
| Av. Block Size: 3322368 | |
| Tree Height: 1 | |
| 158652.964: [ParNew | |
| Desired survivor size 26836992 bytes, new threshold 4 (max 4) | |
| - age 1: 2090072 bytes, 2090072 total | |
| - age 2: 1547712 bytes, 3637784 total | |
| - age 3: 4189456 bytes, 7827240 total | |
| - age 4: 1383752 bytes, 9210992 total | |
| : 432710K->12308K(471872K), 0.0294230 secs] 15169772K->14751155K(30667584K)After GC: | |
| Statistics for BinaryTreeDictionary: | |
| ------------------------------------ | |
| Total Free Space: 1896915332 | |
| Max Chunk Size: 337614532 | |
| Number of Blocks: 273440 | |
| Av. Block Size: 6937 | |
| Tree Height: 159 | |
| After GC: | |
| Statistics for BinaryTreeDictionary: | |
| ------------------------------------ | |
| Total Free Space: 3322368 | |
| Max Chunk Size: 3322368 | |
| Number of Blocks: 1 | |
| Av. Block Size: 3322368 | |
| Tree Height: 1 | |
| , 0.0357520 secs] [Times: user=0.42 sys=0.00, real=5.54 secs] |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| instance type: i2.4xlarge | |
| Kernel: Linux 3.2.0-76-virtual #111-Ubuntu SMP Tue Jan 13 22:33:42 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux | |
| Distributor ID: Ubuntu | |
| Description: Ubuntu 12.04.5 LTS | |
| Release: 12.04 | |
| Codename: precise | |
| Note: No swap is configured on these machines. Even though vm.swappiness = 0 | |
| echo never > /sys/kernel/mm/transparent_hugepage/enabled | |
| echo never > /sys/kernel/mm/transparent_hugepage/defrag | |
| sysctl -w vm.dirty_expire_centisecs=12000 | |
| sysctl -w vm.dirty_writeback_centisecs=500 | |
| sysctl -w vm.dirty_background_ratio=5 | |
| sysctl -w vm.dirty_ratio=80 | |
| echo 2 > /sys/block/xvd{b,c,d,e}/queue/rq_affinity | |
| echo noop > /sys/block/xvd{b,c,d,e}/queue/scheduler | |
| echo 256 > /sys/block/xvd{b,c,d,e}/queue/nr_requests | |
| echo 256 > /sys/block/xvd{b,c,d,e}/queue/read_ahead_kb | |
| Applied some recommendations found here. | |
| http://www.slideshare.net/cuonghuutran/gc-andpagescanattacksbylinux | |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment