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https://issues.apache.org/jira/browse/HBASE-18070?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17233156#comment-17233156
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Huaxiang Sun commented on HBASE-18070:
--------------------------------------
|start| | | | | | | | | |
|Name|Region
Server|ReadRequests|WriteRequests|StorefileSize|Num.Storefiles|MemSize|Start
Key|End Key|ReplicaID|
|hbase:meta,,1.1588230740|hbasedn190|70,100,062|0|62 MB|3|0 MB| | |0|
|hbase:meta,,1_0001.534574363|hbasedn050|21,340,167|4|62 MB|3|0 MB| | |1|
|hbase:meta,,1_0002.1657623790|hbasedn011|21,328,061|4|62 MB|3|0 MB| | |2|
|hbase:meta,,1_0003.1072483532|hbasedn063|21,330,983|4|62 MB|3|0 MB| | |3|
| | | | | | | | | | |
| | | | | | | | | | |
|hbase pe -Dmapreduce.map.memory.mb=20000 --rows=100000 metaRandomRead 256| | |
| | | | | | |
|Name|Region
Server|ReadRequests|WriteRequests|StorefileSize|Num.Storefiles|MemSize|Start
Key|End Key|ReplicaID|
|hbase:meta,,1.1588230740|hbasedn190|201,398,698|0|62 MB|3|0 MB| | |0|
|hbase:meta,,1_0001.534574363|hbasedn050|21,340,167|4|62 MB|3|0 MB| | |1|
|hbase:meta,,1_0002.1657623790|hbasedn011|21,328,061|4|62 MB|3|0 MB| | |2|
|hbase:meta,,1_0003.1072483532|hbasedn063|21,330,983|4|62 MB|3|0 MB| | |3|
| | | | | | | | | | |
|delta |hbasedn190|131,298,636| | | | | | | |
| |hbasedn050|0| | | | | | | |
| |hbasedn011|0| | | | | | | |
| |hbasedn063|0| | | | | | | |
| |sum|131,298,636| | | | | | | |
|pe -Dhbase.locator.meta.replicas.mode=LoadBalance
-Dmapreduce.map.memory.mb=20000 --rows=100000 metaRandomRead 256| | | | | | | |
| |
| | | | | | | | | | |
|Name|Region
Server|ReadRequests|WriteRequests|StorefileSize|Num.Storefiles|MemSize|Start
Key|End Key|ReplicaID|
|hbase:meta,,1.1588230740|hbasedn190|206,298,993|0|62 MB|3|0 MB| | |0|
|hbase:meta,,1_0001.534574363|hbasedn050|63,992,350|4|62 MB|3|0 MB| | |1|
|hbase:meta,,1_0002.1657623790|hbasedn011|64,000,257|4|62 MB|3|0 MB| | |2|
|hbase:meta,,1_0003.1072483532|hbasedn063|64,005,055|4|62 MB|3|0 MB| | |3|
| | | | | | | | | | |
|delta|hbasedn190|4,900,295| | | | | | | |
| |hbasedn050|42,652,183| | | | | | | |
| |hbasedn011|42,672,196| | | | | | | |
| |hbasedn063|42,674,072| | | | | | | |
| |sum|132,898,746| | | | | | | |
| |
> Enable memstore replication for meta replica
> --------------------------------------------
>
> Key: HBASE-18070
> URL: https://issues.apache.org/jira/browse/HBASE-18070
> Project: HBase
> Issue Type: New Feature
> Reporter: Hua Xiang
> Assignee: Huaxiang Sun
> Priority: Critical
> Fix For: 3.0.0-alpha-1, HBASE-18070, HBASE-18070.branch-2, 2.5.0
>
>
> Based on the current doc, memstore replication is not enabled for meta
> replica. Memstore replication will be a good improvement for meta replica.
> Create jira to track this effort (feasibility, design, implementation, etc).
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