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https://issues.apache.org/jira/browse/CASSANDRA-8989?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aleksey Yeschenko resolved CASSANDRA-8989.
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Resolution: Fixed
> Reading from table which contains collection type using token function and
> with CL > ONE causes overwhelming writes to replicas
> -------------------------------------------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-8989
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8989
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Miroslaw Partyka
> Assignee: Carl Yeksigian
> Priority: Critical
> Fix For: 2.0.15
>
> Attachments: 8989-2.0.txt, trace.txt
>
>
> When reading from a table at the aforementioned conditions, each read from
> replica also casues write to the replica.
> Confimed in version 2.0.12 & 2.0.13, version 2.1.3 seems ok.
> To reproduce:
> {code}CREATE KEYSPACE test WITH replication = {'class':
> 'NetworkTopologyStrategy', 'DC1': 2};
> USE test;
> CREATE TABLE bug(id int PRIMARY KEY, val map<int,int>);
> INSERT INTO bug(id, val) VALUES (1, {2: 3});
> CONSISTENCY LOCAL_QUORUM
> TRACING ON
> SELECT * FROM bug WHERE token(id) <= 0;{code}
> trace contains twice:
> Appending to commitlog
> Adding to bug memtable
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