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From "Marcelo Vanzin (JIRA)" <>
Subject [jira] [Commented] (HIVE-8574) Enhance metrics gathering in Spark Client [Spark Branch]
Date Wed, 26 Nov 2014 19:10:12 GMT


Marcelo Vanzin commented on HIVE-8574:

Rounding up, each task metrics data structure will take around 256 bytes. So ~25MB?

> Enhance metrics gathering in Spark Client [Spark Branch]
> --------------------------------------------------------
>                 Key: HIVE-8574
>                 URL:
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Spark
>            Reporter: Marcelo Vanzin
>            Assignee: Marcelo Vanzin
> The current implementation of metrics gathering in the Spark client is a little hacky.
First, it's awkward to use (and the implementation is also pretty ugly). Second, it will just
collect metrics indefinitely, so in the long term it turns into a huge memory leak.
> We need a simplified interface and some mechanism for disposing of old metrics.

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