Can I forget ResultSetFuture in Cassandra java driver without facing memory leak?

Can I forget ResultSetFuture in Cassandra java driver without facing memory leak?

By : user2956474
Date : November 22 2020, 10:56 AM
I hope this helps you . You will not hit any memory leaks doing that. That said, since your calling something asynchronously if you call it a lot (lot) with no throttling you could very well run out of memory by producing things faster then they can be processed.
code :

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Best Cassandra 1.2 driver for Python, Should I forget about CQL?

Best Cassandra 1.2 driver for Python, Should I forget about CQL?

By : Totty
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further Pycassa or CQL supported driver, both are client API's implementing the thrift interface, base API of cassandra, so basically which ever API you choose it will ought to have the same functionality. For every CQL implementation there is an alternative in pycassa but if are really liking pycassa and you still want to mix CQL with it, then you can execute CQL statements through pycassa using the execute_cql thrift call. And you can also check pcmanus / python-cql written by one of the cassandra committer.
.NET 4.5 Async + Await Fire and Forget potential memory leak?

.NET 4.5 Async + Await Fire and Forget potential memory leak?

By : Jacob Erling
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , There isn't a risk for a memory leak in your code. At least From the snippet you provided.
Though, your application may be terminated by the CLR when the Task is being finalized due to an unhandled Exception.
Is cassandra-driver-core dependency removed as part of DSE Cassandra 5.x Java driver?

Is cassandra-driver-core dependency removed as part of DSE Cassandra 5.x Java driver?

By : user2361440
Date : March 29 2020, 07:55 AM
it should still fix some issue I'm not 100% sure on what you're referring, I think that the primary reason is rework of the authentication support, and other things that are specific to DSE driver. OSS driver supports only username/password authentication, while DSE driver also supports Kerberos, plus mixed internal/external authentication schemas.
But you can safely replace cassandra-driver-core with dse-java-driver-core - code is compatible, the same Cluster/Session, only if you don't need geo types, graph support, etc. Look here for full list of differences.
Cassandra Node.js driver memory leak when UPDATE counter

Cassandra Node.js driver memory leak when UPDATE counter

By : user3297726
Date : March 29 2020, 07:55 AM
Hope that helps Trying to migrate counter tables. Reading every row from source table and writing the result to a new table. When writing milions of rows problem with js is running out of heap memory. Syncronous code is being used to make sure row is written before try to write another one. Pinning down the problem observing the heap seems that heap rises when using cassandra-driver to execute UPDATE query. , This fixed the problem.
The correct query would be:
code :
const query = `UPDATE keyspace.table_name
  SET counter1 = counter1 + ?, counter2 = counter2 + ?
  WHERE partition_key = ? AND clustering_key = ?`;

await cassandraDestination
  .execute(query, [ counter1, counter2, key1, key2 ], {
    prepare: true,
cassandra c# driver memory leak

cassandra c# driver memory leak

By : yukikiki
Date : March 29 2020, 07:55 AM
hop of those help? For anyone else that runs into this. I having memory problems when creating lots of Cassandra.ISessions even though I was disposing it correctly via a using statement. Changing my code to reuse a single ISession seems to have fixed it. I don't know if this is the best solution.
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