Re: eviction performance

2018-03-25 Thread Stanislav Lukyanov
Hi Scott, With eagetTTL=false, each time you access an entry its TTL is automatically checked - if it is expired, the entry will be removed. It means that instead of having a separate thread waking up and removing all of the expired entries at the same time (and taking a chunk of CPU and IO for a

Re: eviction performance

2018-03-09 Thread Scott Feldstein
the next access > instead of doing that in the background. > If you add entries in large batches but access them more uniformly over time, > it could redistribute the cost of expiring the data more evenly. > > Thanks, > Stan > > From: scottmf > Sent: 9 марта 2018 г. 6:

RE: eviction performance

2018-03-09 Thread Stanislav Lukyanov
:51 To: user@ignite.apache.org Subject: eviction performance Hi, I am prototyping using ignite to ingest lots of short lived events in a system. In order to ingest the data i'm using the kafka streamer mechanism. I'm pushing 20k events / second into the system into a partitioned off heap cache