[jira] [Commented] (SOLR-6465) CDCR: fall back to whole-index replication when tlogs are insufficient

["Noble Paul (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-6465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15228847#comment-15228847 ] 

Noble Paul commented on SOLR-6465:
----------------------------------

why the double lock

{code}
boolean locked = bootstrapLock.tryLock();
        try {
          if (!locked) {
            throw new SolrException(SolrException.ErrorCode.INVALID_STATE, "A bootstrap action is already running");
          }
          bootstrapLock.lock();
{code}
isn't just one enough?

> CDCR: fall back to whole-index replication when tlogs are insufficient
> ----------------------------------------------------------------------
>
>                 Key: SOLR-6465
>                 URL: https://issues.apache.org/jira/browse/SOLR-6465
>             Project: Solr
>          Issue Type: Sub-task
>            Reporter: Yonik Seeley
>         Attachments: SOLR-6465.patch
>
>
> When the peer-shard doesn't have transaction logs to forward all the needed updates to bring a peer up to date, we need to fall back to normal replication.



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