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Posted to commits@cassandra.apache.org by "Alexander Sterligov (JIRA)" <ji...@apache.org> on 2014/11/04 01:19:34 UTC
[jira] [Created] (CASSANDRA-8248) Possible memory leak
Alexander Sterligov created CASSANDRA-8248:
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Summary: Possible memory leak
Key: CASSANDRA-8248
URL: https://issues.apache.org/jira/browse/CASSANDRA-8248
Project: Cassandra
Issue Type: Bug
Reporter: Alexander Sterligov
Sometimes during repair cassandra starts to consume more memory than expected.
Total amount of data on node is about 20GB.
Size of the data directory is 66GC because of snapshots.
Top reports:
{quote}
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
15724 loadbase 20 0 493g 55g 44g S 28 44.2 4043:24 java
{quote}
At the /proc/15724/maps there are a lot of deleted file maps
{quote}
7f63a6102000-7f63a6332000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a6332000-7f63a6562000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a6562000-7f63a6792000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a6792000-7f63a69c2000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a69c2000-7f63a6bf2000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a6bf2000-7f63a6e22000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a6e22000-7f63a7052000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a7052000-7f63a7282000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a7282000-7f63a74b2000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a74b2000-7f63a76e2000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a76e2000-7f63a7912000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a7912000-7f63a7b42000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a7b42000-7f63a7d72000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a7d72000-7f63a7fa2000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a7fa2000-7f63a81d2000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a81d2000-7f63a8402000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a8402000-7f63a8622000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a8622000-7f63a8842000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a8842000-7f63a8a62000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a8a62000-7f63a8c82000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a8c82000-7f63a8ea2000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a8ea2000-7f63a90c2000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
7f63a90c2000-7f63a92e2000 r--s 00000000 08:21 9442763 /ssd/cassandra/data/iss/feedback_history-d32bc7e048c011e49b989bc3e8a5a440/iss-feedback_history-tmplink-ka-328671-Index.db (deleted)
{quote}
{quote}
$ sudo grep -v deleted /proc/15724/maps | wc -l
303340
{quote}
{quote}
{quote}
$ sudo grep -v deleted /proc/15724/maps | wc -l
303340
{quote}
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