You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@cassandra.apache.org by "sateesh Vemulapalli (Jira)" <ji...@apache.org> on 2019/12/13 14:43:00 UTC
[jira] [Commented] (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
[ https://issues.apache.org/jira/browse/CASSANDRA-15451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16995679#comment-16995679 ]
sateesh Vemulapalli commented on CASSANDRA-15451:
-------------------------------------------------
free -m
total used free shared buff/cache available
Mem: 64264 23748 3279 619 37236 33190
Swap: 0 0 0
=============================
lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 16
On-line CPU(s) list: 0-15
Thread(s) per core: 1
Core(s) per socket: 1
Socket(s): 16
NUMA node(s): 1
Vendor ID: GenuineIntel
CPU family: 6
Model: 85
Model name: Intel(R) Xeon(R) Gold 6148 CPU @ 2.40GHz
Stepping: 4
CPU MHz: 2394.482
BogoMIPS: 4788.96
Virtualization: VT-x
Hypervisor vendor: KVM
Virtualization type: full
L1d cache: 32K
L1i cache: 32K
L2 cache: 1024K
L3 cache: 28160K
NUMA node0 CPU(s): 0-15
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon rep_good nopl eagerfpu pni pclmulqdq vmx ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx avx512f rdseed adx smap clflushopt clwb avx512cd xsaveopt xsavec xgetbv1 arat
====================
> 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
> Priority: Normal
>
> 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
>
>
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@cassandra.apache.org
For additional commands, e-mail: commits-help@cassandra.apache.org