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https://issues.apache.org/jira/browse/CASSANDRA-6315?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brandon Williams resolved CASSANDRA-6315.
-----------------------------------------
Resolution: Not A Problem
>From NEWS.txt:
{noformat}
- The hints schema was changed from 1.1 to 1.2. Cassandra automatically
snapshots and then truncates the hints column family as part of
starting up 1.2 for the first time. Additionally, upgraded nodes
will not store new hints destined for older (pre-1.2) nodes. It is
therefore recommended that you perform a cluster upgrade when all
nodes are up. Because hints will be lost, a cluster-wide repair (with
-pr) is recommended after upgrade of all nodes
{noformat}
> Should not truncate old hintscolumnfamily when upgrade
> ------------------------------------------------------
>
> Key: CASSANDRA-6315
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6315
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Environment: Local Test
> Reporter: Boole Guo
>
> When I upgrade C* from 1.1.9 to 1.2.6, I notice that the previous
> hintscolumnfamily would be directly truncated.
> ColumnFamilyStore oldHintsCfs = table.getColumnFamilyStore(OLD_HINTS_CF);
> if (oldHintsCfs.getSSTables().size() > 0)
> {
> logger.info("Possible old-format hints found. Truncating");
> oldHintsCfs.truncate();
> }
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