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Date: Tue, 7 Nov 2017 11:00:00 +0000 (UTC)
From: "Ludovic Boutros (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
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Subject: [jira] [Updated] (CASSANDRA-13403) nodetool repair breaks SASI
 index
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archived-at: Tue, 07 Nov 2017 11:00:04 -0000


     [ https://issues.apache.org/jira/browse/CASSANDRA-13403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ludovic Boutros updated CASSANDRA-13403:
----------------------------------------
    Attachment: 3_nodes_compaction.log
                4_nodes_compaction.log

> nodetool repair breaks SASI index
> ---------------------------------
>
>                 Key: CASSANDRA-13403
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13403
>             Project: Cassandra
>          Issue Type: Bug
>          Components: sasi
>         Environment: 3.10
>            Reporter: Igor Novgorodov
>            Assignee: Alex Petrov
>         Attachments: 3_nodes_compaction.log, 4_nodes_compaction.log
>
>
> I've got table:
> {code}
> CREATE TABLE cservice.bulks_recipients (
>     recipient text,
>     bulk_id uuid,
>     datetime_final timestamp,
>     datetime_sent timestamp,
>     request_id uuid,
>     status int,
>     PRIMARY KEY (recipient, bulk_id)
> ) WITH CLUSTERING ORDER BY (bulk_id ASC)
>     AND bloom_filter_fp_chance = 0.01
>     AND caching = {'keys': 'ALL', 'rows_per_partition': 'ALL'}
>     AND comment = ''
>     AND compaction = {'class': 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy', 'max_threshold': '32', 'min_threshold': '4'}
>     AND compression = {'chunk_length_in_kb': '64', 'class': 'org.apache.cassandra.io.compress.LZ4Compressor'}
>     AND crc_check_chance = 1.0
>     AND dclocal_read_repair_chance = 0.1
>     AND default_time_to_live = 0
>     AND gc_grace_seconds = 864000
>     AND max_index_interval = 2048
>     AND memtable_flush_period_in_ms = 0
>     AND min_index_interval = 128
>     AND read_repair_chance = 0.0
>     AND speculative_retry = '99PERCENTILE';
> CREATE CUSTOM INDEX bulk_recipients_bulk_id ON cservice.bulks_recipients (bulk_id) USING 'org.apache.cassandra.index.sasi.SASIIndex';
> {code}
> There are 11 rows in it:
> {code}
> > select * from bulks_recipients;
> ...
> (11 rows)
> {code}
> Let's query by index (all rows have the same *bulk_id*):
> {code}
> > select * from bulks_recipients where bulk_id = baa94815-e276-4ca4-adda-5b9734e6c4a5;                                                 
> ...
> (11 rows)
> {code}
> Ok, everything is fine.
> Now i'm doing *nodetool repair --partitioner-range --job-threads 4 --full* on each node in cluster sequentially.
> After it finished:
> {code}
> > select * from bulks_recipients where bulk_id = baa94815-e276-4ca4-adda-5b9734e6c4a5;
> ...
> (2 rows)
> {code}
> Only two rows.
> While the rows are actually there:
> {code}
> > select * from bulks_recipients;
> ...
> (11 rows)
> {code}
> If i issue an incremental repair on a random node, i can get like 7 rows after index query.
> Dropping index and recreating it fixes the issue. Is it a bug or am i doing the repair the wrong way?


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