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Posted to issues@ignite.apache.org by "Pavel Tupitsyn (JIRA)" <ji...@apache.org> on 2016/03/22 15:31:25 UTC

[jira] [Updated] (IGNITE-2874) .NET: Improve DataStreamer performance

     [ https://issues.apache.org/jira/browse/IGNITE-2874?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pavel Tupitsyn updated IGNITE-2874:
-----------------------------------
    Priority: Blocker  (was: Critical)

> .NET: Improve DataStreamer performance
> --------------------------------------
>
>                 Key: IGNITE-2874
>                 URL: https://issues.apache.org/jira/browse/IGNITE-2874
>             Project: Ignite
>          Issue Type: Improvement
>          Components: platforms
>    Affects Versions: 1.6
>            Reporter: Pavel Tupitsyn
>            Assignee: Vladimir Ozerov
>            Priority: Blocker
>             Fix For: 1.6
>
>
> DataStreamerExample takes ~50s to load 500K accounts, which is quite slow. Quick profiling shows that DataStreamerBatch.Send spends a lot of time in ReaderWriterLockSlim and GC. Only 13% is actual Java interop.
> Considerations:
> * Data streamer is mostly used from a single thread
> * Try to replace ReaderWriterLockSlim with simple lock, this can be faster
> * Try to reduce allocations



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