On Timescale Cloud, minor software updates are handled automatically by us, and you do not need to perform any actions.
Most updates that we perform on your Timescale Cloud services are applied during a maintenance window that you can define to suit your workload. However, if we detect a critical security vulnerability that affects you, we might need to perform maintenance outside of the scheduled maintenance window.
In most cases, the updates that occur during your maintenance windows do not require any downtime. This means that there is no outage of your services during the upgrade. However, all connections and transactions in progress during the upgrade are reset. Usually, the database connection is automatically restored after the reset.
Sometimes, updates that occur during your maintenance window require some downtime. In this case, the downtime is usually between 30 seconds and 5 minutes. We endeavor to notify you on email ahead of the upgrade if downtime is required, so that you can plan accordingly. However, in some cases, we might not be able to do so. It is important that you schedule your maintenance window to minimize the disruption that a short downtime might have on your workloads.
Non-critical upgrades are made available before the upgrade is performed
automatically. During this time you can click
Apply upgrades to start the
upgrade at any time. However, after the time expires, usually around a week,
the upgrade is triggered automatically in the next available maintenance window
for your service. You can configure the maintenance window so that these
upgrades are started only at a particular time, on a set day of the week. If
there are no pending upgrades available during a regular maintenance window, no
changes are performed.
When you are considering your maintenance window schedule, you might prefer to choose a day and time that usually has very low activity, such as during the early hours of the morning, or over the weekend. This can help minimize the impact of a short service interruption. Alternatively, you might prefer to have your maintenance window occur during office hours, so that you can monitor your system during the upgrade.
Operationstab, navigate to the
Maintenancesection, and click
Change maintenance window.
Maintenancedialog, select the day of the week, the time, and the timezone that you want the maintenance window to start. Maintenance windows can run for up to four hours.
Apply new maintenance window to all servicesif you want to use the same maintenance window settings for all of your Timescale Cloud services.
Critical upgrades and security fixes are installed outside normal maintenance windows when necessary, and sometimes require a short outage. In this case, the downtime is usually between 30 seconds and 5 minutes. We endeavor to notify you on email ahead of the upgrade if downtime is required, so that you can plan accordingly. However, in some cases, we might not be able to do so.
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