akka-persistence-cassandra
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krasserm
A replicated Akka Persistence journal backed by Apache Cassandra
With the error: ``` Writing tags has failed. This means that any eventsByTag query will be out of date. The write will be retried. Reason java.util.concurrent.ExecutionException: com.datastax.driver.core.exceptions.InvalidQueryException: Batch too large...
Install multi DC cassandra on two separate Openshift Origin clusters to get HA and DR We are in the process of installing Cassandra as multi DC on Openshift origin and...
Akka persistence query complements Persistence by providing a universal asynchronous stream based query interface that various journal plugins can implement in order to expose their query capabilities. The API is...
One don't need a keystore unless you use client-authentication. We should not force the user to configure stuff (s)he doesn't need.
For troubleshooting, it is possible to log queries that takes more than a certain amount of time with: ``` cassandra-journal.log-slow-query = true cassandra-journal.slow-query-time = 2s ``` Then if one of...
This adds an index table to cassandra, so events can be queried "roughly" by time. The akka journal query plugin implementation is in [a separate library](https://github.com/jypma/akka-persistence-cassandra-query). The way this works,...
Part of https://github.com/krasserm/akka-persistence-cassandra/issues/77 Requirements https://github.com/krasserm/akka-persistence-cassandra/issues/77#issuecomment-137366007 and https://github.com/krasserm/akka-persistence-cassandra/issues/77#issuecomment-145325125.
Part of https://github.com/krasserm/akka-persistence-cassandra/issues/77 Requirements https://github.com/krasserm/akka-persistence-cassandra/issues/77#issuecomment-141632778 and https://github.com/krasserm/akka-persistence-cassandra/issues/77#issuecomment-145322596.
Part of https://github.com/krasserm/akka-persistence-cassandra/issues/77 Requirements https://github.com/krasserm/akka-persistence-cassandra/issues/77#issuecomment-137366007 and https://github.com/krasserm/akka-persistence-cassandra/issues/77#issuecomment-145325125
Part of https://github.com/krasserm/akka-persistence-cassandra/issues/77 The new master/index data management structure defined in https://github.com/krasserm/akka-persistence-cassandra/issues/77#issuecomment-137366007 will require migration from older akka-persistence-cassandra versions.