Errors with TCPCommunicationSpi when using zookeeper discovery

When using zoo keeper discovery I am getting intermittent errors with clients connecting. Scenario - I have one ignite server running, try to connect with 4 clients. For one of the connecting clients the socket between the client and server is never established and the log repeats the message o.a

IgniteOutOfMemoryException when using putAll instead of put

For testing I created a data region of 21 MB DataRegionConfiguration = (new DataRegionConfiguration) .setName("testRegion") .setInitialSize(21 * 1024 * 1024) .setMaxSize(21 * 1024 * 1024) .setPersistenceEnabled(false) .setPageEvictionMode(DataPageEvictionMode.RA

write behind performance impacting main thread. Write behind buffer is never full

I have looked at http://apache-ignite-users.70518.x6.nabble.com/Ignite-Write-Behind-performance-td5385.html which seems similar, but does not answer my question. I am using write behind caching with a single server it has 16 cores and 32 G of memory. My write behind config is setWriteBehindEnab

Best way to manage cache contents

Within my application I have a concept of a gathering. There can be many gatherings, each of which have participants, activities and comments, which are their own caches. i am using cachestore and a database for the persistent storage of all the gatherings. At any given time there are a set of a