Ignite logs show the following heap statistics before the failure. Shows 79.94% free heap memory.
[09:57:38,964][INFO][grid-timeout-worker-#19%null%][IgniteKernal] FreeList [name=null, buckets=256, dataPages=1208250, reusePages=0] [09:58:38,963][INFO][grid-timeout-worker-#19%null%][IgniteKernal] Metrics for local node (to disable set 'metricsLogFrequency' to 0) ^-- Node [id=635920a1, name=null, uptime=27:24:08:084] ^-- H/N/C [hosts=16, nodes=16, CPUs=60] ^-- CPU [cur=0.17%, avg=0.66%, GC=0%] ^-- PageMemory [pages=19546713] ^-- Heap [used=1437MB, free=79.94%, comm=4095MB] ^-- Non heap [used=74MB, free=95.07%, comm=76MB] ^-- Public thread pool [active=0, idle=0, qSize=0] ^-- System thread pool [active=0, idle=6, qSize=0] ^-- Outbound messages queue [size=0] -- View this message in context: http://apache-ignite-users.70518.x6.nabble.com/Error-Commit-produced-a-runtime-exception-tp15768p15771.html Sent from the Apache Ignite Users mailing list archive at Nabble.com.