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[CASSANDRA-13444] Fast and garbage-free Streaming Histogram - Cassandra - [issue]
...StreamingHistogram is cause of high cpu usage and GC pressure.It was improved at CASSANDRA-13038 by introducing intermediate buffer to try accumulate different values into the big map before...    Author: Fuud , 2018-09-21, 16:29
[CASSANDRA-13652] Deadlock in AbstractCommitLogSegmentManager - Cassandra - [issue]
...AbstractCommitLogManager uses LockSupport.(un)park incorreclty. It invokes unpark without checking if manager thread was parked in approriate place. For example, logging frameworks uses queu...    Author: Fuud , 2017-09-11, 04:03
[CASSANDRA-13329] max_hints_delivery_threads does not work - Cassandra - [issue]
...HintsDispatchExecutor creates JMXEnabledThreadPoolExecutor with corePoolSize  == 1 and maxPoolSize==max_hints_delivery_threads and unbounded LinkedBlockingQueue.In this configuration ad...    Author: Fuud , 2017-07-21, 09:40
[CASSANDRA-13456] Needs better logging for timeout/failures - Cassandra - [issue]
...When read was failed due to timeout, Cassandra reports in logs "Timeout; reveived 1 of 3 responses". Same information is passed to clients.But this information is not enoght to get list of s...    Author: Fuud , 2017-04-24, 13:15
[CASSANDRA-13393] Fix weightedSize() for row-cache reported by JMX and NodeTool - Cassandra - [issue]
...Row Cache size is reported in entries but should be reported in bytes (as KeyCache do).It happens because incorrect OHCProvider.OHCacheAdapter.weightedSize method. Currently it returns cache...    Author: Fuud , 2017-04-13, 08:45