How do I update the IP address of one or more hosts in the cluster?
To update the IP address used by one or more hosts in your cluster, you must perform the following steps:
How do I update the password for the replication user in the cluster?
If you need to change the password used by Continuent Tungsten to connect to a dataserver and apply changes, the password can be updated first by changing the information within the your dataserver, and then by updating the configuration using tpm update. The new password is not checked until the Tungsten Replicator process is starting. Changing the password and then updating the configuration will keep replication from failing.
One of my hosts is regularly a number of seconds behind my other slaves?
The most likely culprit for this issue is that the time is different on the machine in question. If you have ntp or a similar network time tool installed on your machine, use it to update the current time across all the hosts within your deployment:
Once the command has been executed across all the hosts, trying sending a heartbeat on the master to slaves and checking the latency:
How do you change the replicator heap size after installation?
You can change the configuration by running the following command from the staging directory: