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https://issues.apache.org/jira/browse/HBASE-2808?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jean-Daniel Cryans updated HBASE-2808:
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Attachment: HBASE-2808-v3.patch
Patch v3 addresses most comments and refreshes the package.html doc. Few other
issues explained here:
bq. GLOBAL means replicate? Any provision to replicate only to cluster X and
not to cluster Y? or is that for later?
Much much later, there's a jira for that IIRC.
bq. You need a bulk edit shipper? Something that allows you transfer 64MB of
edits in one go
CopyTable has that intention, else by default replication ships max 64MB of
data.
bq. Is it a mistake that WALEdit doesn't carry Put and Delete objects, that we
have to reinstantiate not only replicating but when replaying edits?
AFAIK there's an issue or two for that.
bq. Why? ain't the ts in the edit?
Suppose an edit to cell X happens in a EST cluster, then 2 minutes later a new
edits happens to the same cell in a PST cluster and that both clusters are in a
master-master replication. The second edit is considered younger, so the first
will always hide it while in fact the second is older.
> Document the implementation of replication
> ------------------------------------------
>
> Key: HBASE-2808
> URL: https://issues.apache.org/jira/browse/HBASE-2808
> Project: HBase
> Issue Type: Task
> Components: documentation
> Reporter: Jean-Daniel Cryans
> Assignee: Jean-Daniel Cryans
> Fix For: 0.90.0
>
> Attachments: HBASE-2808-v2.patch, HBASE-2808-v3.patch,
> HBASE-2808.patch, replication_overview.png
>
>
> From HBASE-2223, we need to provide an overview of how replication was
> implemented. For example:
> - How ZK is used
> - What are the general flows
> - How failover works
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