[jira] [Assigned] (IGNITE-18505) Thread pool for components start

["Roman Puchkovskiy (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-18505?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Roman Puchkovskiy reassigned IGNITE-18505:
------------------------------------------

    Assignee: Roman Puchkovskiy

> Thread pool for components start
> --------------------------------
>
>                 Key: IGNITE-18505
>                 URL: https://issues.apache.org/jira/browse/IGNITE-18505
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Vladislav Pyatkov
>            Assignee: Roman Puchkovskiy
>            Priority: Major
>              Labels: ignite-3
>
> *Motivation*
> The most components are started in asynchronous manner to avoid hold CMG threads too long:
> {code}
> // using the default executor to avoid blocking the CMG Manager threads
> .thenRunAsync(() -> {
>     LOG.info("Join complete, starting the remaining components");
>     // Start all other components after the join request has completed and the node has been validated.
>     try {
>         lifecycleManager.startComponents(
>                 metaStorageMgr,
>                 clusterCfgMgr,
>                 metricManager,
>                 distributionZoneManager,
>                 computeComponent,
>                 replicaMgr,
>                 txManager,
>                 baselineMgr,
>                 dataStorageMgr,
>                 schemaManager,
>                 volatileLogStorageFactoryCreator,
>                 outgoingSnapshotsManager,
>                 distributedTblMgr,
>                 indexManager,
>                 qryEngine,
>                 clientHandlerModule
>         );
>     } catch (NodeStoppingException e) {
>         throw new CompletionException(e);
>     }
> })
> {code}
> But the default treads pool is not a place for run critical code (the pool can be used by client application).
> *Divination of done*
> All components start in node internal thread pool.



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