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https://issues.apache.org/jira/browse/SOLR-13440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16835398#comment-16835398
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Andrzej Bialecki commented on SOLR-13440:
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Updated patch:
* support for saving intermediate steps in the simulation, including cumulative
statistics
* additional consistency checking in {{SimCloudManager}} and
{{SnapshotCloudManager}} and related components, to make sure the internal
state makes sense
* fixed a serious bug in {{SimClusterStateProvider}} when initializing from
existing {{ClusterState}}.
* bugfixes and refactorings
> Support saving/restoring state of the SimCloudManager for repeatable
> simulations
> --------------------------------------------------------------------------------
>
> Key: SOLR-13440
> URL: https://issues.apache.org/jira/browse/SOLR-13440
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Andrzej Bialecki
> Assignee: Andrzej Bialecki
> Priority: Major
> Attachments: SOLR-13440.patch, SOLR-13440.patch
>
>
> In order to run simulated experiments that test variations in autoscaling
> configs and their impact on the cluster layout we need to be able to start
> from a known well-defined state.
> Currently the {{bin/solr autoscaling -simulate}} tool supports getting the
> initial state from an actual running cluster. This issue proposes adding
> support for saving and restoring this state from local files for running
> repeatable experiments.
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