Sounds a lot like this to me: http://cassandra-user-incubator-apache-org.3065146.n2.nabble.com/Updates-lost-td6739612.html
On Mon, Sep 26, 2011 at 1:55 PM, Rick Whitesel (rwhitese) < rwhit...@cisco.com> wrote: > Hi All:**** > > ** ** > > We have a simple junit test that inserts a column, immediately updates that > column and then validates that the data updated. Cassandra is run embedded > in the unit test. Sometimes the test will pass, i.e. the updated data is > correct, and sometimes the test will fail. The configuration is set to:*** > * > > ** ** > > <CommitLogSync>periodic</CommitLogSync> and > <CommitLogSyncPeriodInMS>10000</CommitLogSyncPeriodInMS>**** > > ** ** > > We are running version 0.6.9. We plan to update to the latest version but > cannot until after the release we are wrapping up. We are using the client > batch mutate to create and update the data. From what I understand, the > commit log write will return immediately and the data will be store in > memory. If that is the case, then why would our test sometimes fail?**** > > ** ** > > -Rick Whitesel**** > > ** ** > > **** > > *Simplify, Standardize and Conserve***** > > ** ** > > ** ** > > [image: cid:01608604-FE45-42D2-AACA-4C66FCE5AB8C@cisco.com]**** > > ** ** > > *Rick Whitesel* > *Technical Lead* > *Customer Contact Business Unit** > * > rwhit...@cisco.com <nordb...@cisco.com> > Phone :*978-936-0479***** > > > 500 Beaver Brook Road > Boxboro, MA 01719 > Mailing address: > 1414 Massachusetts Avenue > Boxboro, MA 01719 > United States > www.cisco.com**** > > ** ** > > ** ** > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
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