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https://issues.apache.org/jira/browse/OAK-6737?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Dürig updated OAK-6737:
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Fix Version/s: (was: 1.8)
> Standby server should send timely responses to all client requests
> ------------------------------------------------------------------
>
> Key: OAK-6737
> URL: https://issues.apache.org/jira/browse/OAK-6737
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: segment-tar, tarmk-standby
> Reporter: Andrei Dulceanu
> Assignee: Andrei Dulceanu
> Priority: Minor
> Labels: cold-standby
> Fix For: 1.10, 1.10.1
>
>
> Currently all the {{GetXXXRequestHandler}} (where XXX stands for Blob, Head,
> References and Segment), on the server discard client requests which cannot
> be satisfied (i.e. the requested object does not exist (yet) on the server).
> A more transparent approach would be to timely respond to all client
> requests, clearly stating that the object was not found. This would improve a
> lot debugging for example, because all requests and their responses could be
> easily followed from the client log, without needing to know what actually
> happened on the server.
> Below, a possible implementation for {{GetHeadRequestHandler}}, suggested by
> [~frm] in a comment on OAK-6678:
> {noformat}
> String id = reader.readHeadRecordId();
> if (id == null) {
> ctx.writeAndFlush(new NotFoundGetHeadResponse(msg.getClientId(), id));
> return;
> }
> ctx.writeAndFlush(new GetHeadResponse(msg.getClientId(), id));
> {noformat}
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