In the process of upgrading our cluster. Nodes that go upgraded are constantly emitting these messages. No impact, but wanted to know what they mean and why after the upgrade only.
Any feedback will be appreciated. 17-04-10 20:18:11,580 Memtable.java:352 - Writing Memtable-compactions_in_progress@748675126(0.008KiB serialized bytes, 1 ops, 0%/0% of on/off-heap limit) INFO [MemtableFlushWriter:1] 2017-04-10 20:18:11,588 Memtable.java:352 - Writing Memtable-compactions_in_progress@1129449190(0.195KiB serialized bytes, 12 ops, 0%/0 % of on/off-heap limit) INFO [MemtableFlushWriter:2] 2017-04-10 20:18:14,426 Memtable.java:352 - Writing Memtable-compactions_in_progress@931709037(0.008KiB serialized bytes, 1 ops, 0%/0% of on/off-heap limit) INFO [MemtableFlushWriter:1] 2017-04-10 20:18:44,950 Memtable.java:352 - Writing Memtable-compactions_in_progress@1057180976(0.008KiB serialized bytes, 1 ops, 0%/0% of on/off-heap limit) INFO [MemtableFlushWriter:2] 2017-04-10 20:18:44,963 Memtable.java:352 - Writing Memtable-compactions_in_progress@2110307908(0.195KiB serialized bytes, 12 ops, 0%/0 % of on/off-heap limit) INFO [MemtableFlushWriter:1] 2017-04-10 20:18:45,546 Memtable.java:352 - Writing Memtable-compactions_in_progress@1803704247(0.008KiB serialized bytes, 1 ops, 0%/0% of on/off-heap limit) INFO [MemtableFlushWriter:2] 2017-04-10 20:19:16,196 Memtable.java:352 - Writing Memtable-compactions_in_progress@1692030234(0.008KiB serialized bytes, 1 ops, 0%/0% of on/off-heap limit) INFO [MemtableFlushWriter:1] 2017-04-10 20:19:16,240 Memtable.java:352 - Writing Memtable-compactions_in_progress@12532575(0.098KiB serialized bytes, 6 ops, 0%/0% o f on/off-heap limit) INFO [MemtableFlushWriter:2] 2017-04-10 20:19:16,241 Memtable.java:352 - Writing Memtable-compactions_in_progress@337283565(0.098KiB serialized bytes, 6 ops, 0%/0% of on/off-heap limit) INFO [MemtableFlushWriter:1] 2017-04-10 20:19:52,322 Memtable.java:352 - Writing Memtable-compactions_in_progress@810846450(0.008KiB serialized bytes, 1 ops, 0%/0% of on/off-heap limit) INFO [MemtableFlushWriter:2] 2017-04-10 20:19:52,561 Memtable.java:352 - Writing Memtable-compactions_in_progress@2010893318(0.008KiB serialized bytes, 1 ops, 0%/0% of on/off-heap limit) ---------------- Thank you
