Thanks, Denis! We'll take a look at those doc issues and create tickets
soon.

-g-

===

Garrett Alley
Documentation
GridGain Systems


On Thu, Aug 22, 2019 at 8:30 AM Denis Mekhanikov <dmekhani...@gridgain.com>
wrote:

> Hi everyone!
>
> The following threads created last week address potential issues in the
> product.
>
> *Code issues:*
> *Incomplete results of SQL queries with equality conditions on a primary
> key.* JIRA ticket: https://issues.apache.org/jira/browse/IGNITE-12068
> StackOverflow question:
> https://stackoverflow.com/questions/57479636/simple-select-query-missing-rows-in-ignite
> The issue has already been fixed.
>
> *IgniteQueue.removeAll throws NPE.* Currently it’s unclear, why it
> happens. Investigation is needed.
> StackOverflow question:
> https://stackoverflow.com/questions/57473783/ignite-2-5-ignitequeue-removeall-throwing-npe
> Userlist thread:
> http://apache-ignite-users.70518.x6.nabble.com/IgniteQueue-removeAll-throwing-NPE-td29072.html
>
> *Unclear error message in SQL.*
> The following query results in an unclear error message:
>
> SELECT
>     CASE WHEN YEAR(A1) = 2016 THEN SUM(A2) END  FROM
>
> Error: Failed to run reduce query locally.
> StackOverflow question:
> https://stackoverflow.com/questions/57472293/ignite-failed-to-run-reduce-query-locally
>
> *Async continuous queries in .NET generates Java threads, that never
> finish.* JIRA: https://issues.apache.org/jira/browse/IGNITE-9638
> StackOverflow:
> https://stackoverflow.com/questions/57513576/apache-ignite-spawns-too-much-threads
>
> *Hanging cache operations when async/await is used in .NET*
> JIRA issue: https://issues.apache.org/jira/browse/IGNITE-12033
> Userlist thread:
> http://apache-ignite-users.70518.x6.nabble.com/Replace-or-Put-after-PutAsync-causes-Ignite-to-hang-td27871.html
>
> *Metadata is stored in a work directory which is cleared on restarts.*
> This issue has a long history, and users keep suffering from it.
> StackOverflow:
> https://stackoverflow.com/questions/57529702/ignite-persisting-a-set-cannot-find-metadata-for-object-with-compact-footer
>
> *SQL create schema support*
> Userlist thread:
> http://apache-ignite-users.70518.x6.nabble.com/Will-ignite-support-the-CREATE-SCHEMA-statement-td29078.html
>
> *Documentation:*
> *Possible too long JVM pause.*
> The error message appears in logs pretty often when people have issues
> with garbage collection, and it doesn’t sound English. Should we fix the
> message?
> In any case, we should mention this message on a page about GC tuning.
> StackOverflow question:
> https://stackoverflow.com/questions/57541462/possible-too-long-jvm-pause
>
> *Run a script in SQLLine.* It would be nice to mention this ability in
> the documentation.
> StackOverflow question:
> https://stackoverflow.com/questions/57483908/shell-script-to-connect-to-ignite
>
> *Backup filter vs Node filter. Rack awareness.*
> The user in the thread bellow confused a backup filter in
> RendezvousAffinityFunction with a node filter in CacheConfiguration.
> Also the rack awareness topic was brought up in that thread. I noticed,
> that we don’t have it documented. It’s a nice thing to mention in the docs.
> Userlist thread:
> http://apache-ignite-users.70518.x6.nabble.com/Cache-spreading-to-new-nodes-td29063.html
>
> Denis
>
>

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