turboFei commented on code in PR #7037:
URL: https://github.com/apache/kyuubi/pull/7037#discussion_r2054539068
##########
kyuubi-server/src/main/scala/org/apache/kyuubi/server/api/v1/BatchesResource.scala:
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@@ -561,6 +561,58 @@ private[v1] class BatchesResource extends
ApiRequestContext with Logging {
}
}
+ @ApiResponse(
+ responseCode = "200",
+ content = Array(new Content(
+ mediaType = MediaType.APPLICATION_JSON,
+ schema = new Schema(implementation = classOf[ReassignBatchResponse]))),
+ description = "Reassign instance's all batch sessions to a new instance")
+ @GET
+ @Path("{kyuubiInstance}/{batchId}/reassign")
+ def reassignBatchSessions(
+ @PathParam("kyuubiInstance") kyuubiInstance: String,
+ @PathParam("batchId") batchId: String,
+ @QueryParam("force")
+ @DefaultValue("false") force: Boolean): ReassignBatchResponse = {
+ sessionManager.getBatchMetadata(batchId).map { metadata =>
Review Comment:
some comments:
1. for single batchId recovery, we can get the kyuubiInstance from metastore
and respect the real kyuubi instance
2. for kyuubi instance batches recovery, we should add a `size` to only
assign the limited batches to the target kyuubi instance
3. The response struct is better be `batchIds: List[String],
originalKyuubiInsance: String, newKyuubiInstance: String`, we can throw
exception if does not successful, so `success` flag seems not necessary.
4. there is side impact if call `fe.recoverBatchSessions()`, it might
recover all the `pending` and `running` batches again
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