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Posted to commits@cassandra.apache.org by "sateesh Vemulapalli (Jira)" <ji...@apache.org> on 2019/12/13 14:32:00 UTC

[jira] [Created] (CASSANDRA-15451) INFO [CompactionExecutor:8] 2019-12-13 17:49:53,408 NoSpamLogger.java:91 - Maximum memory usage reached (4294967296), cannot allocate chunk of 1048576

sateesh Vemulapalli created CASSANDRA-15451:
-----------------------------------------------

             Summary: INFO  [CompactionExecutor:8] 2019-12-13 17:49:53,408 NoSpamLogger.java:91 - Maximum memory usage reached (4294967296), cannot allocate chunk of 1048576
                 Key: CASSANDRA-15451
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15451
             Project: Cassandra
          Issue Type: Bug
          Components: Cluster/Gossip
            Reporter: sateesh Vemulapalli


Hi All,

 

I getting errors on Cassandra 3.11.4 debug.log as below.

 

what could be the reason ? how to avoid these errors.??

 

I can see partition size is 1.9 MB. Heap size 16GB.

 

nodetool tablestats test_data.local_data -H

Total number of tables: 37

----------------

Keyspace : test_data

        Read Count: 0

        Read Latency: NaN ms

        Write Count: 48776898

        Write Latency: 1.534334614042082 ms

        Pending Flushes: 2

                Table: local_data

                SSTable count: 84

                Space used (live): 115.53 GiB

                Space used (total): 115.53 GiB

                Space used by snapshots (total): 165.45 KiB

                Off heap memory used (total): 216.71 MiB

                SSTable Compression Ratio: 0.5440445152549487

                Number of partitions (estimate): 139647

                Memtable cell count: 1495900

                Memtable data size: 167.87 MiB

                Memtable off heap memory used: 174.38 MiB

                Memtable switch count: 2016

                Local read count: 0

                Local read latency: NaN ms

                Local write count: 48777246

                Local write latency: 1.580 ms

                Pending flushes: 2

                Percent repaired: 0.0

                Bloom filter false positives: 0

                Bloom filter false ratio: 0.00000

                Bloom filter space used: 287.65 KiB

                Bloom filter off heap memory used: 431.88 KiB

                Index summary off heap memory used: 160.4 KiB

                Compression metadata off heap memory used: 41.75 MiB

                Compacted partition minimum bytes: 3974

                Compacted partition maximum bytes: 1955666

                Compacted partition mean bytes: 1109275

                Average live cells per slice (last five minutes): NaN

                Maximum live cells per slice (last five minutes): 0

                Average tombstones per slice (last five minutes): NaN

                Maximum tombstones per slice (last five minutes): 0

                Dropped Mutations: 6 bytes

 

 

========================================

 

nodetool tablehistograms test_data local_data

test_data/local_data histograms

Percentile  SSTables     Write Latency      Read Latency    Partition Size        Cell Count

                              (micros)          (micros)           (bytes)

50%             0.00            315.85              0.00           1358102             61214

75%             0.00            943.13              0.00           1955666            152321

95%             0.00           2816.16              0.00           1955666            152321

98%             0.00           8409.01              0.00           1955666            152321

99%             0.00          36157.19              0.00           1955666            152321

Min             0.00             73.46              0.00              3974               373

Max             0.00         557074.61              0.00           1955666            152321

 

====================================

 

nodetool info

ID                     : 2985f5ef-5b84-4654-91f6-dc459741e9fc

Gossip active          : true

Thrift active          : false

Native Transport active: true

Load                   : 117.25 GiB

Generation No          : 1576230314

Uptime (seconds)       : 15745

Heap Memory (MB)       : 8040.00 / 16384.00

Off Heap Memory (MB)   : 287.19

Data Center            : dc1

Rack                   : rack1

Exceptions             : 0

Key Cache              : entries 36568, size 66.79 MiB, capacity 100 MiB, 26555 hits, 63045 requests, 0.421 recent hit rate, 14400 save period in seconds

Row Cache              : entries 0, size 0 bytes, capacity 0 bytes, 0 hits, 0 requests, NaN recent hit rate, 0 save period in seconds

Counter Cache          : entries 0, size 0 bytes, capacity 50 MiB, 0 hits, 0 requests, NaN recent hit rate, 7200 save period in seconds

Chunk Cache            : entries 65024, size 3.97 GiB, capacity 3.97 GiB, 12839660 misses, 15296535 requests, 0.161 recent hit rate, 468.900 microseconds miss latency

Percent Repaired       : 1.8637552068836277E-7%

Token                  : (invoke with -T/--tokens to see all 256 tokens)

 

==================================

 

nodetool netstats

Mode: NORMAL

Not sending any streams.

Read Repair Statistics:

Attempted: 0

Mismatch (Blocking): 0

Mismatch (Background): 0

Pool Name                    Active   Pending      Completed   Dropped

Large messages                  n/a         2              0         2

Small messages                  n/a         0       66196004         4

Gossip messages                 n/a         0          54691        30

=========================

 

INFO  [CompactionExecutor:8] 2019-12-13 17:49:53,408 NoSpamLogger.java:91 - Maximum memory usage reached (4294967296), cannot allocate chunk of 1048576

INFO  [CompactionExecutor:9] 2019-12-13 18:04:55,683 NoSpamLogger.java:91 - Maximum memory usage reached (4294967296), cannot allocate chunk of 1048576

INFO  [CompactionExecutor:6] 2019-12-13 18:21:39,420 NoSpamLogger.java:91 - Maximum memory usage reached (4294967296), cannot allocate chunk of 1048576

INFO  [CompactionExecutor:8] 2019-12-13 18:36:45,011 NoSpamLogger.java:91 - Maximum memory usage reached (4294967296), cannot allocate chunk of 1048576

INFO  [CompactionExecutor:9] 2019-12-13 18:51:53,479 NoSpamLogger.java:91 - Maximum memory usage reached (4294967296), cannot allocate chunk of 1048576

INFO  [CompactionExecutor:7] 2019-12-13 19:06:55,898 NoSpamLogger.java:91 - Maximum memory usage reached (4294967296), cannot allocate chunk of 1048576

 

 



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