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From "Mark Miller (JIRA)" <>
Subject [jira] [Commented] (SOLR-9847) Deadlock on ManagedIndexSchema lock.
Date Tue, 20 Dec 2016 16:18:58 GMT


Mark Miller commented on SOLR-9847:

bq. Patch that narrows the period during which the schema update lock is held

That was my first inclination, but I don't know how all this works that well yet, so I tried
to hack something sim with the wait.

bq. does it look good to commit?

+1. I'll report if I run into anything further.

> Deadlock on ManagedIndexSchema lock.
> ------------------------------------
>                 Key: SOLR-9847
>                 URL:
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Mark Miller
>         Attachments: SOLR-9847-release-lock-before-replica-version-agreement.patch, SOLR-9847.patch
> Seems we hold the lock while in ManagedIndexSchema.waitForSchemaZkVersionAgreement, so
we may never see agreement because are updates may also be waiting on that lock.

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