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From "Jochen Zeischka (JIRA)" <>
Subject [jira] [Created] (CASSANDRA-8446) Lost writes when using lightweight transactions
Date Tue, 09 Dec 2014 09:41:12 GMT
Jochen Zeischka created CASSANDRA-8446:

             Summary: Lost writes when using lightweight transactions
                 Key: CASSANDRA-8446
             Project: Cassandra
          Issue Type: Bug
          Components: API, Core
         Environment: Cassandra 2.1.2 on Java(TM) SE Runtime Environment (build 1.7.0_65-b17)
            Reporter: Jochen Zeischka

There's a serious problem when using lightweight transactions. Whenever th cluster gets any
load, write timeout exceptions start to occur and the client has no way to know whether the
write actually succeeded or not.

I a simple test ( this results in large
percentages of lost writes (0 - 50%, depending on the load).

The problem was described in

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