Re: NATIVE PERSISTENCE: Cache data is destroyed after disable WAL and restart

2019-05-17 Thread Maxim Muzafarov
Hello Manu, sorry for the delay. By disabling WAL for particular cache group you remove any recovery guarantees in case of node fail for it. It is a normal trade-off between data loading speed and further recovery. For instance, the checkpoint thread (a thread which flushes cache data to disk) fai

NATIVE PERSISTENCE: Cache data is destroyed after disable WAL and restart

2019-04-28 Thread Manu
Hi! I have a question, is it normal that if WAL is deactivated for a persisted cache when the server node(s) is restarted, the persisted content of the cache is completely destroyed? I need to disable WAL for large heavy ingestion processes, but eventually ingestion may fail (OS, machine crash),