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https://issues.apache.org/jira/browse/GEODE-7830?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Darrel Schneider reassigned GEODE-7830:
---------------------------------------
Assignee: Darrel Schneider
> Management REST API rebalance endpoints return confusing operationResults
> -------------------------------------------------------------------------
>
> Key: GEODE-7830
> URL: https://issues.apache.org/jira/browse/GEODE-7830
> Project: Geode
> Issue Type: Bug
> Components: management
> Reporter: Aaron Lindsey
> Assignee: Darrel Schneider
> Priority: Major
>
> We observed odd behavior regarding the operationResult object returned in the
> rebalance API:
> # It contains success=false if the cluster has no regions or has no servers.
> This is confusing because the rebalance didn't fail — it just didn't have
> anything to rebalance so it was basically a no-op. As a consumer of this API,
> I need to be able to distinguish between "real" failures and this "no-op"
> failure, and I should not have to write code to parse the "statusMessage" to
> do that.
> # Sometimes, success=true and other times success=false for the same
> statusMessage: "Distributed system has no regions that can be rebalanced."
> This is confusing because I don't know why it sometimes considers this a
> failure and other times considers it a success. If #1 above is fixed, then
> this would not be an issue because it would always return success=true for
> this particular statusMessage.
> Here is an example of two confusing operationResults we observed:
> {code:json}
> {
> "result": [
> {
> "statusCode": "OK",
> "links": {
> "self":
> "http://geodecluster-sample-locator.default/management/v1/operations/rebalances/15dfe6ef-acaf-4a45-9b55-1d855a977ba8";,
> "list":
> "http://geodecluster-sample-locator.default/management/v1/operations/rebalances";
> },
> "operationStart": "2020-02-25T18:53:34.058Z",
> "operationEnd": "2020-02-25T18:53:34.063Z",
> "operationId": "15dfe6ef-acaf-4a45-9b55-1d855a977ba8",
> "operation": {
> "simulate": false
> },
> "operationResult": {
> "statusMessage": "Distributed system has no regions that can be
> rebalanced.",
> "success": true
> }
> },
> {
> "statusCode": "OK",
> "links": {
> "self":
> "http://geodecluster-sample-locator.default/management/v1/operations/rebalances/8218ce0d-e3b8-4c49-b925-665a28e821c3";,
> "list":
> "http://geodecluster-sample-locator.default/management/v1/operations/rebalances";
> },
> "operationStart": "2020-02-25T18:53:45.650Z",
> "operationEnd": "2020-02-25T18:53:45.654Z",
> "operationId": "8218ce0d-e3b8-4c49-b925-665a28e821c3",
> "operation": {
> "simulate": false
> },
> "operationResult": {
> "statusMessage": "Distributed system has no regions that can be
> rebalanced.",
> "success": false
> }
> }
> ],
> "statusCode": "OK"
> }
> {code}
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