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Posted to issues@hbase.apache.org by "karthikp (JIRA)" <ji...@apache.org> on 2016/02/23 07:19:18 UTC
[jira] [Updated] (HBASE-15309) GZIP HFile Compression &
Decompression Memory Leak, Similar Issue HBASE-5516
[ https://issues.apache.org/jira/browse/HBASE-15309?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
karthikp updated HBASE-15309:
-----------------------------
Assignee: Ted Yu
> GZIP HFile Compression & Decompression Memory Leak, Similar Issue HBASE-5516
> ----------------------------------------------------------------------------
>
> Key: HBASE-15309
> URL: https://issues.apache.org/jira/browse/HBASE-15309
> Project: HBase
> Issue Type: Bug
> Components: HFile
> Affects Versions: 0.94.6
> Reporter: karthikp
> Assignee: Ted Yu
> Priority: Critical
>
> I'd memory leak issue in regionserver process, VM and RSS memory continiously increasing 64MB.
> I'm using hbase-0.94.6 , MALLOC_ARENA_MAX=4 was set in hbase-env.sh
> I've huge write load and frequent minor compaction, We've used GZip hfile compression.
> Max java regionserver heap size is 32GB.
> {noformat}
> top - 14:28:30 up 201 days, 21:06, 3 users, load average: 5.67, 3.72, 3.31
> Tasks: 803 total, 1 running, 802 sleeping, 0 stopped, 0 zombie
> Cpu(s): 8.3%us, 2.1%sy, 0.0%ni, 85.9%id, 3.5%wa, 0.0%hi, 0.1%si, 0.0%st
> Mem: 65932340k total, 63961912k used, 1970428k free, 2394528k buffers
> Swap: 29659132k total, 63532k used, 29595600k free, 1095268k cached
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> 57335 hbase 20 0 46.4g 44g 9296 S 98.2 70.9 13319:10 java
> {noformat}
> {noformat}
> [hbase@xxxxxx-hslave ~]$ pmap -x 57335 | sort -k 3 -nr | more
> total kB 48695984 46765792 46756512
> 00007ff312460000 33171072 33169464 33169464 rwx-- [ anon ]
> 000000004010a000 1448552 1448552 1448552 rwx-- [ anon ]
> 00007ff2d1810000 612120 603124 603124 rwx-- [ anon ]
> 00007ff2fadff000 383364 383364 383364 rwx-- [ anon ]
> 00007ff0e8000000 131072 131072 131072 rwx-- [ anon ]
> 00007ff218000000 131048 131048 131048 rwx-- [ anon ]
> 00007ff128000000 131068 131048 131048 rwx-- [ anon ]
> 00007ff230000000 131044 131044 131044 rwx-- [ anon ]
> 00007ff000000000 131036 131036 131036 rwx-- [ anon ]
> 00007fefe0000000 131060 131036 131036 rwx-- [ anon ]
> 00007ff23c000000 65536 65536 65536 rwx-- [ anon ]
> 00007ff0a4000000 65536 65536 65536 rwx-- [ anon ]
> 00007ff054000000 65536 65536 65536 rwx-- [ anon ]
> 00007ff01c000000 65536 65536 65536 rwx-- [ anon ]
> 00007fefb4000000 65536 65536 65536 rwx-- [ anon ]
> 00007ff22c000000 65532 65532 65532 rwx-- [ anon ]
> 00007ff110000000 65532 65532 65532 rwx-- [ anon ]
> 00007ff10c000000 65532 65532 65532 rwx-- [ anon ]
> 00007ff0b8000000 65532 65532 65532 rwx-- [ anon ]
> 00007ff09c000000 65532 65532 65532 rwx-- [ anon ]
> 00007feff8000000 65532 65532 65532 rwx-- [ anon ]
> 00007ff250000000 65528 65528 65528 rwx-- [ anon ]
> --More--
> {noformat}
> {noformat}
> $pmap -x 57335 | awk '{print $3}' | awk '{ if($i<65536 && $i>64000) print $i}' | wc -l
> 146
> {noformat}
> Will MALLOC_AREANA have exactly 65536KB?
> Regionserver process has many anon pages, size varying from 64000 to 65536 KB that shown above.
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