In this post, we will see how to resolve When a replica connects to Redis master, how does partial synchronization work? Question: Let’s say master and replica are in sync, and after sometime replica goes down and looses connectivity with ...
In this post, we will see how to resolve PostgreSQL Subscribers and Publishers (Multi-Master Scenario) Question: (Yes, it needs to be PostgreSQL) I’m currently trying to develop a solution that would be trying to focus on Multi-Master Databases So here ...
In this post, we will see how to resolve postgresql database hacked after replication Question: I am new to postgresql and was following a tutorial for replication here’s how my pg_hba.conf looked like: I probably had trust authentication at too ...
Question: I’ve noticed recently that my distribution db is massive, and while searching for solutions, I keep coming across articles mentioning that these 2 jobs should be running: “Agent History Clean Up: Distribution” and “Distribution Clean Up: Distribution” Other users ...
Question: Does mirrormaker 2 need 6 system topics (on both sides of the wire) for each topic to be replicated? I am concerned this could lead to topic explosion. we need two-way sync between kafka clusters Answer: Three of those ...
Question: I have a multi-node Postgres cluster running in High availability mode following the primary-standby architecture. One of the pod is primary and the other pod is in standby mode which gets replicated from primary in a synchronous manner, while ...
Question: I am using a 3 broker kafka. If I stop the third node: no problem, I can consume LOGS from node 1 or 2. If I stop the second node : no problem, I can consume LOGS from node ...
Question: Tried searching a lot on internet, but could not find any satisfactory information. We create DB replicas so that the Primary DB instance does not have to deal with load of read queries, and the replica instances does not ...
Question: I want to set up a complete server (apache, mysql 5.7) as a fallback of a productive server. The synchronization on file level using rsync and cronjob is already done. The mysql-replication is currently the problem. More precisely: the ...
Question: I have a Minio Replicated system with 4 nodes. It worked well for about 1 year. Then, recently, after some curruption and uploading errors, it has been decided to upgrade the Minio version several times during the last two ...