[jira] [Created] (SPARK-26260) Summary Task Metrics for Stage Page: Efficient implimentation for SHS when using disk store.

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

shahid created SPARK-26260:
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             Summary: Summary Task Metrics for Stage Page: Efficient implimentation for SHS when using disk store.
                 Key: SPARK-26260
                 URL: https://issues.apache.org/jira/browse/SPARK-26260
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
    Affects Versions: 2.4.0, 3.0.0
            Reporter: shahid


Currently, tasks summary metrics is calculated based on all the tasks, instead of successful tasks. 
After the JIRA, https://issues.apache.org/jira/browse/SPARK-26119, when using InMemory store, it find task summary metrics for all the successful tasks metrics. But we need to find an efficient implementation for disk store case for SHS. The main bottle neck for disk store is deserialization time overhead.

Hints: Need to rework on the way indexing works, so that we can index by specific metrics for successful and failed tasks differently (would be tricky). Also would require changing the disk store version (to invalidate old stores).



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