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https://issues.apache.org/jira/browse/HBASE-15181?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15176320#comment-15176320
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Vladimir Rodionov commented on HBASE-15181:
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[~claraxiong]
{quote}
When it doesn't perform as well:
random gets without a time range
{quote}
I think we should educate users how to read data efficiently in case of
multiple store files in a region:
*io.storefile.bloom.error.rate* must be decreased from default 0.01 to 0.001 or
less (I would recommend 0.0001). This will reduce false positives in rowkey
lookups accordingly but will increase space occupied by bloom filter in memory
(of course).
> A simple implementation of date based tiered compaction
> -------------------------------------------------------
>
> Key: HBASE-15181
> URL: https://issues.apache.org/jira/browse/HBASE-15181
> Project: HBase
> Issue Type: New Feature
> Components: Compaction
> Reporter: Clara Xiong
> Assignee: Clara Xiong
> Fix For: 2.0.0, 1.3.0, 0.98.19
>
> Attachments: HBASE-15181-0.98-ADD.patch, HBASE-15181-0.98.patch,
> HBASE-15181-0.98.v4.patch, HBASE-15181-98.patch, HBASE-15181-ADD.patch,
> HBASE-15181-branch-1.patch, HBASE-15181-master-v1.patch,
> HBASE-15181-master-v2.patch, HBASE-15181-master-v3.patch,
> HBASE-15181-master-v4.patch, HBASE-15181-v1.patch, HBASE-15181-v2.patch
>
>
> This is a simple implementation of date-based tiered compaction similar to
> Cassandra's for the following benefits:
> 1. Improve date-range-based scan by structuring store files in date-based
> tiered layout.
> 2. Reduce compaction overhead.
> 3. Improve TTL efficiency.
> Perfect fit for the use cases that:
> 1. has mostly date-based date write and scan and a focus on the most recent
> data.
> 2. never or rarely deletes data.
> Out-of-order writes are handled gracefully. Time range overlapping among
> store files is tolerated and the performance impact is minimized.
> Configuration can be set at hbase-site.xml or overriden at per-table or
> per-column-famly level by hbase shell.
> Design spec is at
> https://docs.google.com/document/d/1_AmlNb2N8Us1xICsTeGDLKIqL6T-oHoRLZ323MG_uy8/edit?usp=sharing
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