[jira] [Updated] (HDDS-5954) EC: Review the TODOs in GRPC Xceiver client and fix them.

["Uma Maheswara Rao G (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDDS-5954?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Uma Maheswara Rao G updated HDDS-5954:
--------------------------------------
    Status: Resolved  (was: Closed)

> EC: Review the TODOs in GRPC Xceiver client and fix them.
> ---------------------------------------------------------
>
>                 Key: HDDS-5954
>                 URL: https://issues.apache.org/jira/browse/HDDS-5954
>             Project: Apache Ozone
>          Issue Type: Sub-task
>            Reporter: Uma Maheswara Rao G
>            Assignee: István Fajth
>            Priority: Major
>              Labels: pull-request-available
>
> Currently there are 4 TODO-s in the GRPC client.
> 1. L331 adds a note that we should cache the current leader, so that we can go to the leader next time.
> 2. L422 adds a note about sendCommandAsync, which states that it is not async. The code on the other hand seems to be returning a CompletableFuture instance wrapped inside an XceiverClientReply, though sometimes we wait on the future before really returning.
> 3. L452 notes that async requests are served out of order, and this should be revisited if we make the API async.
> 4. L483 is connected to #2, and it notes that we should reuse stream observers if we are going down the async route
> The latter three requires deeper investigation and understanding, to see how we can approach fixing it, and to figure out whether we really need to fix it.



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