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Posted to issues@hbase.apache.org by "karthikp (JIRA)" <ji...@apache.org> on 2016/02/23 07:14:18 UTC
[jira] [Created] (HBASE-15309) GZIP HFile Compression &
Decompression Memory Leak, Similar Issue HBASE-5516
karthikp created HBASE-15309:
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Summary: 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
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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