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-2
votes
1
answer
99
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wildfly35+ HA config. How to config JDBC_PING2 protocol? [closed]
Which is the recomended way to config it?
0
votes
1
answer
159
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Is a single-node RabbitMQ StatefulSet on AKS likely to crash under high load?
I’m running RabbitMQ as a Kubernetes StatefulSet on Azure Kubernetes Service (AKS) in a "statefulpool" node pool that only has one node and a single Azure Managed Disk (ReadWriteOnce). My ...
0
votes
1
answer
145
views
HMAC keys in system.keys collection and HMAC key monitoring thread
In Mongodb PSSSA (1 primary, 3 secondary, 1 arbiter) deployments when 2 secondary DB’s go down and only PSA is present. when the primary mongo db is restart few times , all database queries start to ...
0
votes
0
answers
15
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Uwsgi Failover mode (one active application server at a time)?
My setup uses usgwi as frontal server and uwsgi application servers behind.
I need to do a setup where only one application server is active at a time, and in case it would become unreachable, the ...
-1
votes
2
answers
360
views
Why do i need keepalived in kubernetes?
I have got a Kubernetes cluster with nginx installed.
Nginx makes K8s fault tolerant. In case of a K8s component failure, the standby one will be taken.
So what is the point of keepalived?
0
votes
0
answers
38
views
Issue in call command during switchover mariadb
I am trying to execute below command in maxscale pod mariadb:
Where mariadb-server-0 mariadb-server-1 are secondary and primary servers and servermon is the module name and mariadbmon-monitor is ...
0
votes
1
answer
1k
views
Postgres Hot standby stuck starting waiting for contrrecord despite wal file being present
We are experimenting with patroni Multi Datacenter HA with postgres16 using replication slots. At high level for building the remote cluster from scratch , we are by running base backup, while active ...
0
votes
1
answer
29
views
High-availability of PieCloudDB Database
I'm currently working on deploying the PieCloudDB Database and I'm looking to ensure a high-availability setup to minimize downtime and ensure reliable service continuity. How to implement high-...
1
vote
1
answer
292
views
Replicating Azure SQL DB and blob storage in multi region setup
I'm working on this web app using Azure for a multi region architecture to ensure high availability and low latency for all users in the globe.
My problems are data consistency, replicating lag, ...
0
votes
1
answer
375
views
In Google Cloud Memorystore Redis Standard, can a read replica be promoted to master?
Can a read replica become master/primary (with automatic or manual promotion) in Google Cloud Memorystore Redis Standard?
If so:
How do I did this?
Why do they present High Availability as a separate ...
0
votes
0
answers
254
views
How ActiveMQ Artemis fail-over works with replication as HA policy
I have designed an ActiveMQ Artemis 2.19.1 symmetric cluster connection with 3 live-backup pairs to get rid of split-brain issue. Due to some constraints I had to adopt replication instead of shared ...
1
vote
0
answers
133
views
Is it possible to create AWS Elasticache Redis cluster in highly available configuration with durable data
I need AWS Elasticache Redis cluster with durable data. Specifically all data written to Redis should be safe in case of one node failure.
For those who answer "You do not need it, Redis is for ...
0
votes
0
answers
219
views
Regional high availability for Synapse dedicated SQL pool
We have provisioned a Synapse dedicated SQL pool for our business. We need to make sure that the service is highly available within the region. This means we cannot have the data be moved to another ...
0
votes
0
answers
180
views
citus + patroni coordinator setup issue
We want to setup patroni HA setup with 3 coordinator, 2 worker node 1 & 2 worker node 2.
I am getting system id mismatch when i start 2nd coordinator. First one is running fine, only facing issue ...
0
votes
0
answers
61
views
Connection timed out after update firewall firmware Pgpool-II
I have 2 Application server that have C and Java application that locally connected to pgpool on the same server. Pgpool have connection pool enabled (connection_cache = on). The system has been ...