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From "Ramiro Rioboo (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-13821) A lot of ReadTimeoutException errors
Date Tue, 29 Aug 2017 23:06:00 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-13821?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ramiro Rioboo updated CASSANDRA-13821:
--------------------------------------
    Attachment:     (was: CCGWEAPP04_cassandra.yaml)

> A lot of ReadTimeoutException errors
> ------------------------------------
>
>                 Key: CASSANDRA-13821
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13821
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core, CQL
>         Environment: We have a Cassandra Cluster with 2 Datacenters:
> Cassandra Version: 2.2.5
> *+DC1 - OperationalDC:+*
> 3 nodes Virtual Server on VMWare. 
> S.O.: Windows 2012 Server 64bits-native
> vCPU 12 Cores @ 2.5Ghz
> RAM: 16GB
> HDD: 3,6 TB Virtual Drive
> *+DC2 - AnalyticalDC:+*
> 3 nodes Virtual Server on VMWare. 
> S.O.: Running on Windows 2012 Server 64bits-native
> vCPU 12 Cores @ 2.5Ghz
> RAM: 16GB
> HDD: 3,6 TB Virtual Drive
>            Reporter: Ramiro Rioboo
>              Labels: performance, windows
>             Fix For: 2.2.5
>
>   Original Estimate: 168h
>  Remaining Estimate: 168h
>
> Our application connects directly to OperationalDC via CQL.
> During the daily operation we have a large number of WriteTimeoutException and ReadTimeoutException
errors.
> In the logs of Cassandra we can see that the read and write timeout errors are also recorded
with the error:
> _Java.lang.RuntimeException: java.lang.RuntimeException: org.apache.cassandra.exceptions.ReadTimeoutException:
Operation timed out - received only 1 responses._
> *+Log Detail, Application Level:+*
> _22:54:22,945 [ERROR] AbstractEntityManager          - Insert object 'Event{...}' error
com.datastax.driver.core.exceptions.WriteTimeoutException: Cassandra timeout during write
query at consistency LOCAL_QUORUM (2 replica were required but only 1 acknowledged the write)_
> *+Log Detail, Cassandra Level:+*
> _EBUG [SharedPool-Worker-6] 2017-08-24 08:36:40,114 StorageProxy.java:1893 - Range slice
failure; received 0 of 1 responses for range 1 of 1 java.lang.RuntimeException: java.lang.RuntimeException:
org.apache.cassandra.exceptions.ReadTimeoutException: Operation timed out - received only
1 responses._
> The timeout error occurs 2 seconds later because of the configuration in the yaml:+underlined
text+
> _# How long the coordinator should wait for writes to complete
> write_request_timeout_in_ms: 2000_



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