Questions tagged [replication]
The use of redundant resources to improve reliability, fault-tolerance, or performance.
replication
3,906
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Does Gridgain replicate the replication changes it receives from other node in across site replication?
I am planning to use the replication support across clusters using Gridgain in the following way:
I want to set up a GridGain cluster with 3 nodes. I will have 4 such clusters on 4 separate machines. ...
- 71
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MongoDB connection error with Go, ReplicaSetNoPrimary
I am trying to connect to MongoDB from my Go application but getting an error with ReplicaSetNoPrimary.
Here is my code connection to MongoDB:
exmple of MongoDB URI:
mongodb+srv://user:pass@ntw....
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MYSQL Replication But While the backup is being uploaded to the slave, the changes in the master are not received [migrated]
I am trying to do mysql replication. But I want to while the backup is being uploaded to the slave server, the changes in the master are not received.
For example:
I have a user table on my X db. And ...
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AWS RDS: does promoting a Read replica break replication to its own replica?
I have setup a primary DB (say, instance A1) and a read-replica (A2) in region A. Now I'm making the same setup in region B (so a primary DB B1 and a read-replica B2 that replicates it).
The second ...
- 1,386
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28
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promote Bigquery table replica to primary
I have a dataset in Bigquery which has a connection to Google Analytics so that the GA-data is loaded into a Bigquery sharded table called events_YYYYMMDD. This happens automatically in the background....
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Getting issue in Cockroach DB cluster
We have setup three node Cockroach-DB cluster(version: 22.2.14) on GKE kubernetes cluster on GCP using Helm. Helm chart version is 6.0.3. Suddenly, we’re getting below error on Cockroach-DB pod’s. ...
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Merkle Tree vs Replication Log / Event Log
I understand that Merkle Trees can be used to replicate data and guarantee
integrity of the data in byzantine environment (where you don't trust all the parties) and that systems like cansandra use it ...
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Flutter Sync with SQFLite and CouchDB
Future<void> startReplication(Database database) async {
final replicator = await Replicator.create(ReplicatorConfiguration(
database: database,
target: UrlEndpoint(Uri.parse('ws://...
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SQL Server replication latency issue [migrated]
SQL Server 2019 patched a couple months ago. As of this morning my transactional replication is very far behind in latency. The distributor is on the replication box.
What I've ruled out:
resource ...
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28
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Changing primary replication config in standby node
I want to change the primary information to new primary node in standby postgresql node. I have this:
# In standby server
psql -At -U $POSTGRES_USER -d $POSTGRES_DB -p $PGPORT -c "ALTER SYSTEM ...
- 123
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In Quorum-Based Consensus Protocol, how does abort quorum get the updated data?
I am trying to understand "Quorum-Based Consensus Protocol". If there are total 5 nodes and 'Commit quorum' is of 3 nodes And 'Abort quorum' is also of 3 nodes. Now coordinator asks to ...
- 613
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25
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Key value replication or sync to remote server with high volume of concurrent reads
Have an app that can only call SQS, SNS, Kafka or write to disk ( may be REST call as well). need to sync those low volume KV messages from that app to a remote server that has high volume of ...
- 73
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MongoDB new Replica Set member's syncSourceHost
When i try to add new replicaSet member to my rs, their syncSourceHost's are always different and certainly not PRIMARY node. They all secondaries. Why is that happening? Is there a default setting or ...
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Is it possible to replicate across projects when doing "Cross-region dataset replication" in BigQuery?
I would like to replicate datasets across projects and regions.
I think "cross-region dataset replication" is an option, but I couldn't find a sample query that could cross projects, and I ...
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CDCR Replication is not working in solr 8.11.2
I have setup CDCR IN Azure VM with 3 nodes and 3 zookeeper
`My Solr version is 8.11.2
Zookeeper =v3.6.2
I have setup source and target cluster with below configuration in source, We are not able to ...
