[jira] [Comment Edited] (CASSANDRA-12374) Can't rebuild SASI index

["Alex Petrov (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-12374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15424412#comment-15424412 ] 

Alex Petrov edited comment on CASSANDRA-12374 at 8/17/16 12:23 PM:
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Fixed, submitting again:

|[trunk|https://github.com/ifesdjeen/cassandra/tree/12374-trunk]|[utest|https://cassci.datastax.com/view/Dev/view/ifesdjeen/job/ifesdjeen-12374-trunk-testall/]|[dtest|https://cassci.datastax.com/view/Dev/view/ifesdjeen/job/ifesdjeen-12374-trunk-dtest/] |


was (Author: ifesdjeen):
Fixed, submitting again.

> Can't rebuild SASI index
> ------------------------
>
>                 Key: CASSANDRA-12374
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12374
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Alex Petrov
>            Assignee: Alex Petrov
>
> There's been no real requirement for that so far. 
> As [~beobal] has pointed out, it's not a big issue, since that only could be needed when index files are lost, data corruption on disk (hardware issue) has occurred or there was a bug that'd require an index rebuild.
> During {{rebuild_index}} task, indexes are only "marked" as removed with {{SecondaryIndexManager::markIndexRemoved}} and then {{buildIndexesBlocking}} is called. However, since SASI keeps track of SSTables for the index, it's going to filter them out with {{.filter((sstable) -> !sasi.index.hasSSTable(sstable))}} in {{SASIIndexBuildingSupport}}.
> If I understand the logic correctly, we have to "invalidate" (drop data) right before we re-index them. This is also a blocker for [CASSANDRA-11990] since without it we can't have an upgrade path.
> I have a patch ready in branch, but since it's a bug, it's better to have it released earlier and for all branches affected.
> cc [~xedin]



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