somandal commented on code in PR #16341:
URL: https://github.com/apache/pinot/pull/16341#discussion_r2256973991
##########
pinot-controller/src/main/java/org/apache/pinot/controller/api/resources/PinotTableRestletResource.java:
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@@ -715,6 +715,13 @@ public RebalanceResult rebalance(
@DefaultValue("false") @QueryParam("bootstrap") boolean bootstrap,
@ApiParam(value = "Whether to allow downtime for the rebalance")
@DefaultValue("false") @QueryParam("downtime")
boolean downtime,
+ @ApiParam(value = "This flag only applies to peer-download enabled
tables undergoing downtime=true or "
+ + "minAvailableReplicas=0 rebalance (both of which can result in
possible data loss scenarios). If enabled, "
+ + "this flag will allow the rebalance to continue even in cases
where data loss scenarios have been "
+ + "detected, otherwise the rebalance will be failed and user action
will be required to rebalance again. "
+ + "This flag should be used with caution and only used in scenarios
where data loss is acceptable")
Review Comment:
I believe there is some manual steps to recover like deleting the segments
and forcing re-consumption AFAIK. @noob-se7en can you also help here with
recovery steps for such cases?
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