[jira] Resolved: (CASSANDRA-404) SSTable write lock not releasing

["Chris Goffinet (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-404?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris Goffinet resolved CASSANDRA-404.
--------------------------------------

    Resolution: Invalid

We are using a fair readwrite lock, this is why it's hanging. See CASSANDRA-405

> SSTable write lock not releasing
> --------------------------------
>
>                 Key: CASSANDRA-404
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-404
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.4
>            Reporter: Chris Goffinet
>         Attachments: stack.log.gz
>
>
> Today we saw a node lock up when trying to serve reads. Current investigation shows that some threads are trying to acquire a ssTable_.lock(). This means that somehow Cassandra has gotten into a state with a write lock that has not been released (blocking read locks). Thrift connections started piling up after this occurred.
> We are currently investigating the ssTable lock.

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