Re: Cassandra Possible read/write race condition in LOCAL_ONE?

2019-03-29 Thread Jacques-Henri Berthemet
If you use LOCAL_ONE for write and read and you have RF>1, it means both operations could go to different replicas that does not have the data yet. Try to use LOCAL_QUORUM instead, as usual check your clocks as well. From: Jeff Jirsa Reply-To: "user@cassandra.apache.org" Date: Thursday 28 March

Multi-DC replication and hinted handoff

2019-03-29 Thread Jens Fischer
Hi, I have a Cassandra setup with multiple data centres. The vast majority of writes are LOCAL_ONE writes to data center DC-A. One node (lets call this node A1) in DC-A has accumulated large amounts of hint files (~100 GB). In the logs of this node I see lots of messages like the following: IN

3PP: C++14/17 standard support

2019-03-29 Thread Deepti Sharma S
Hi Team, We are planning to migrate the code-base with C++14/17 standard (GCC C++ compiler), and we are linking Cassandra Version 2.6 c++ client libraries in our module. Would you please confirm the support of these libraries with C++14/17 standard? [Ericsson] DEEPTI

Re: 3PP: C++14/17 standard support

2019-03-29 Thread Dinesh Joshi
The driver is actually maintained by DataStax and not the Cassandra community. Please look at the documentation here - https://github.com/datastax/cpp-driver Hopefully someone from their driver team can confirm. Dinesh > On Mar 29, 2019, at 2:54 AM, Dee