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https://issues.apache.org/jira/browse/IGNITE-9295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aleksey Plekhanov updated IGNITE-9295:
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Fix Version/s: (was: 2.9)
> Add Warning message for multiple data streamers
> -----------------------------------------------
>
> Key: IGNITE-9295
> URL: https://issues.apache.org/jira/browse/IGNITE-9295
> Project: Ignite
> Issue Type: Improvement
> Reporter: Alexander Gerus
> Priority: Major
>
> DataStreamer is design to allocate as much resources as available. In case if
> user is starting more then one instance per cache, it can cause significant
> slowdown for the streaming due to significant consumption of resources
> The proposal is to add warning message to the application log in case if two
> or more data streamers per cache:
> {quote}You are running multiple instances of IgniteDataStreamer.
> For best performance use a single instance and share it between threads.
> {quote}
> Also, if user is using addData(key, value) method, we should print a warning
> suggesting to use addData(Map) method (we should update the Javadoc as well):
> {quote}You are using IgniteDataStreamer.addData(key, value) method.
> For best performance use addData(Map) method.
> {quote}
> Each of these warnings should be printed only once, the 1st time such a case
> was detected.
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