[jira] [Commented] (IGNITE-12840) Leaking H2 internals when querying from pyignite

["Ilya Kasnacheev (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/IGNITE-12840?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17082241#comment-17082241 ] 

Ilya Kasnacheev commented on IGNITE-12840:
------------------------------------------

I believe it is a duplicate of IGNITE-12848

> Leaking H2 internals when querying from pyignite
> ------------------------------------------------
>
>                 Key: IGNITE-12840
>                 URL: https://issues.apache.org/jira/browse/IGNITE-12840
>             Project: Ignite
>          Issue Type: Bug
>          Components: clients, python
>    Affects Versions: 2.8
>            Reporter: Ilya Kasnacheev
>            Priority: Critical
>             Fix For: 2.8.1
>
>         Attachments: TEST_TABLE.sql, read_cache_insert_update_table.py, test_insert_in_cache.py
>
>
> I am sharing a slightly modified reproducer from userlist.
> To run:
> Start a node (with JVM_OPTS=-Xmx512m to see it most clearly).
> Run a .sql file with sqlline (!run)
> python3 test_insert_in_cache.py
> in parallel terminal: python3 read_cache_insert_update_table.py
> Then you should observe slowing down and long GC pauses on server node. jmap will collect ever-increasing heap dumps.



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