[jira] [Updated] (HBASE-18966) Use non-sync TimeRangeTracker as a replacement for TimeRange in ImmutableSegment

["Chia-Ping Tsai (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-18966?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chia-Ping Tsai updated HBASE-18966:
-----------------------------------
    Summary: Use non-sync TimeRangeTracker as a replacement for TimeRange in ImmutableSegment  (was: In-memory compaction/merge should update its time range)

> Use non-sync TimeRangeTracker as a replacement for TimeRange in ImmutableSegment
> --------------------------------------------------------------------------------
>
>                 Key: HBASE-18966
>                 URL: https://issues.apache.org/jira/browse/HBASE-18966
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Chia-Ping Tsai
>            Assignee: Chia-Ping Tsai
>             Fix For: 2.0.0-beta-1
>
>         Attachments: HBASE-18966.v0.patch, HBASE-18966.v1.patch, HBASE-18966.v2.patch, HBASE-18966.v2.patch
>
>
> The in-memory compaction/merge do the great job of optimizing the memory layout for cells, but they don't update its {{TimeRange}}. It don't cause any bugs currently because the {{TimeRange}} is used for store-level ts filter only and the default {{TimeRange}} of {{ImmutableSegment}} created by in-memory compaction/merge has the maximum ts range.  



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