[jira] [Resolved] (PARQUET-373) MemoryManager tests are flaky

["Ryan Blue (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PARQUET-373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ryan Blue resolved PARQUET-373.
-------------------------------
    Resolution: Fixed

> MemoryManager tests are flaky
> -----------------------------
>
>                 Key: PARQUET-373
>                 URL: https://issues.apache.org/jira/browse/PARQUET-373
>             Project: Parquet
>          Issue Type: Bug
>          Components: parquet-mr
>    Affects Versions: 1.8.0
>            Reporter: Ryan Blue
>            Assignee: Ryan Blue
>             Fix For: 1.9.0
>
>
> The memory manager tests are flaky, depending on the heap allocation for the JVM they run in. This is caused by over-specific tests that assert the memory allocation down to the byte and the fact that some assertions implicitly cast long values to doubles to use the "within" form of assertEquals.
> The tests should not validate a specific allocation strategy, but should instead assert that:
> 1. The allocation for a file is the row group size until room runs out
> 2. When scaling row groups, the total allocation does not exceed the pool size



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