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Posted to commits@cassandra.apache.org by "Stefan Miklosovic (Jira)" <ji...@apache.org> on 2020/04/06 08:05:00 UTC
[jira] [Assigned] (CASSANDRA-15694) Statistics upon streaming of
entire SSTables in Netstats is wrong
[ https://issues.apache.org/jira/browse/CASSANDRA-15694?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Stefan Miklosovic reassigned CASSANDRA-15694:
---------------------------------------------
Assignee: (was: Stefan Miklosovic)
> Statistics upon streaming of entire SSTables in Netstats is wrong
> -----------------------------------------------------------------
>
> Key: CASSANDRA-15694
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15694
> Project: Cassandra
> Issue Type: Bug
> Components: Tool/nodetool
> Reporter: Stefan Miklosovic
> Priority: Normal
>
> There is a bug in the current code as if we are streaming entire SSTables via CassandraEntireSSTableStreamWriter and CassandraOutgoingFile respectively, there is not any update on particular components of a SSTable as it counts only "db" file to be there. That introduces this bug:
>
> {code:java}
> Mode: NORMAL
> Rebuild 2c0b43f0-735d-11ea-9346-fb0ffe238736
> /127.0.0.2 Sending 19 files, 27664559 bytes total. Already sent 133 files, 27664559 bytes total
> /tmp/dtests15682026295742741219/node2/data/distributed_test_keyspace/cf-196b3...
> ....
> {code}
> Basically, number of files to be sent is lower than files sent.
>
> The straightforward fix here is to distinguish when we are streaming entire sstables and in that case include all manifest files into computation.
>
> This issue relates to https://issues.apache.org/jira/browse/CASSANDRA-15657 because the resolution whether we stream entirely or not is got from a method which is performance sensitive and computed every time. Once CASSANDRA-15657 (hence CASSANDRA-14586) is done, this ticket can be worked on.
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