Re: Constant write stall warning with RocksDB state backend

2017-08-02 Thread Stefan Richter
Hi, there is some documentation on this topic here https://github.com/facebook/rocksdb/wiki/Write-Stalls . Increasing the buffer size seems ok, and the downside is a potentially higher memory footprint. Best, Stefan > Am 02.08.2017 um 10:

Constant write stall warning with RocksDB state backend

2017-08-02 Thread Kien Truong
Hi, With the setting SPINNING_DISK_OPTIMIZED_HIGH_MEM, I'm having a lot of warning from RocksDB: Stalling writes because we have 3 immutable memtables (waiting for flush), max_write_buffer_number is set to 4 rate 16777216 Increasing max_write_buffer_number causes the message to go away, but I