Radim Kolar created CASSANDRA-4264:
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Summary: live ratio limit 64.0 is way too low
Key: CASSANDRA-4264
URL: https://issues.apache.org/jira/browse/CASSANDRA-4264
Project: Cassandra
Issue Type: Improvement
Components: Core
Affects Versions: 1.0.10
Environment: FreeBSD 8 - 64 bit
Reporter: Radim Kolar
Fix For: 1.0.11, 1.1.1, 1.2
Currently live ratio is limited to 64.0. This is way too low.
WARN [MemoryMeter:1] Memtable.java (line 181) setting live ratio to maximum of
64 instead of xxxx
values seen in log are ofter larger than 64.0 limit. I propose to use 100.0 as
new limit.
ponto:(admin)log/cassandra>grep "to maximum of 64" system.log.1
WARN [MemoryMeter:1] 2012-02-03 00:00:19,444 Memtable.java (line 181) setting
live ratio to maximum of 64 instead of 64.9096047648211
WARN [MemoryMeter:1] 2012-02-08 00:00:17,379 Memtable.java (line 181) setting
live ratio to maximum of 64 instead of 68.81016452376322
WARN [MemoryMeter:1] 2012-02-08 00:00:32,358 Memtable.java (line 181) setting
live ratio to maximum of 64 instead of 88.49747308025415
WARN [MemoryMeter:1] 2012-02-09 00:00:08,448 Memtable.java (line 181) setting
live ratio to maximum of 64 instead of 76.2444888765154
WARN [MemoryMeter:1] 2012-02-10 18:18:52,677 Memtable.java (line 181) setting
live ratio to maximum of 64 instead of 142.22477982642255
WARN [MemoryMeter:1] 2012-02-20 00:00:53,753 Memtable.java (line 181) setting
live ratio to maximum of 64 instead of 88.19832386767173
WARN [MemoryMeter:1] 2012-03-02 10:41:00,232 Memtable.java (line 181) setting
live ratio to maximum of 64 instead of 419.9607495592804
WARN [MemoryMeter:1] 2012-03-07 14:13:15,141 Memtable.java (line 181) setting
live ratio to maximum of 64 instead of Infinity
WARN [MemoryMeter:1] 2012-03-08 00:01:12,766 Memtable.java (line 181) setting
live ratio to maximum of 64 instead of 94.20215772717702
WARN [MemoryMeter:1] 2012-03-09 00:00:38,633 Memtable.java (line 181) setting
live ratio to maximum of 64 instead of 98.54003447121715
WARN [MemoryMeter:1] 2012-03-11 00:00:13,243 Memtable.java (line 181) setting
live ratio to maximum of 64 instead of 193.14262214179965
WARN [MemoryMeter:1] 2012-03-14 00:00:26,709 Memtable.java (line 181) setting
live ratio to maximum of 64 instead of 103.88360138951437
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