[jira] [Created] (IGNITE-4239) Public thread pool starvation is cause of deadlock when user's jobs calls cache.size()

["Taras Ledkov (JIRA)" <ji...@apache.org>]

Taras Ledkov created IGNITE-4239:
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             Summary: Public thread pool starvation is cause of deadlock when user's jobs calls cache.size()
                 Key: IGNITE-4239
                 URL: https://issues.apache.org/jira/browse/IGNITE-4239
             Project: Ignite
          Issue Type: Bug
          Components: cache, compute
    Affects Versions: 1.6
            Reporter: Taras Ledkov
            Assignee: Taras Ledkov
            Priority: Critical
             Fix For: 1.9


The users job are hang when a lot of jobs that calculates cache size are submitted.

The log contains message:
{code}
WARNING: Possible thread pool starvation detected (no task completed in last 30000ms, is executorService pool size large enough?)
{code}

After a while all the thread of a public threadpool are locked on waiting the SizeTask future. 



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