btw, cassandra cluster is more stable with turned off multithread compaction.
One node have more keys than other nodes
normal node
Keyspace: Social
Read Count: 65530294
Read Latency: 2.010432367020969 ms.
Write Count: 183948607
Write Latency: 0.04994240148825917 ms.
Pending Tasks: 0
Table: home_timeline
SSTable count: 505
SSTables in each level: [1, 10, 102/100, 392, 0, 0, 0, 0, 0]
Space used (live), bytes: 80346741272
Space used (total), bytes: 80365804136
SSTable Compression Ratio: 0.35779981803726807
Number of keys (estimate): 808064
Memtable cell count: 1209392
Memtable data size, bytes: 270605395
Memtable switch count: 763
Local read count: 65530294
Local read latency: 1.807 ms
Local write count: 183948608
Local write latency: 0.053 ms
Pending tasks: 0
Bloom filter false positives: 12109
Bloom filter false ratio: 0.00633
Bloom filter space used, bytes: 897296
Compacted partition minimum bytes: 73
Compacted partition maximum bytes: 962624926
Compacted partition mean bytes: 629847
Average live cells per slice (last five minutes): 51.0
Average tombstones per slice (last five minutes): 0.0
node with mad gc
Keyspace: Social
Read Count: 746862
Read Latency: 144.83174594905083 ms.
Write Count: 6387984
Write Latency: 2.4869556636334718 ms.
Pending Tasks: 0
Table: home_timeline
SSTable count: 625
SSTables in each level: [132/4, 10, 99, 384, 0, 0, 0, 0, 0]
Space used (live), bytes: 109408488817
Space used (total), bytes: 109408549785
SSTable Compression Ratio: 0.3814217358554331
!!!!! Number of keys (estimate): 5950208
Memtable cell count: 130084
Memtable data size, bytes: 66904752
Memtable switch count: 52
Local read count: 746862
Local read latency: 33.855 ms
Local write count: 6387984
Local write latency: 0.050 ms
Pending tasks: 0
Bloom filter false positives: 3307633
Bloom filter false ratio: 0.07478
Bloom filter space used, bytes: 3575936
Compacted partition minimum bytes: 73
Compacted partition maximum bytes: 2874382626
Compacted partition mean bytes: 546236
Average live cells per slice (last five minutes): 51.0
Average tombstones per slice (last five minutes): 0.0
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