As previously announced[0], the old Toolforge Elasticsearch 7 cluster is no longer accessible. The data stored on the cluster is still around, so please reach out as soon as possible if there are indexes that still need migrating.
[0]: https://lists.wikimedia.org/hyperkitty/list/[email protected]/thread/JQ4GTGHAHFU7LVQPIZBOE5Z5WZSO6KK7/ taavi On Wed, 19 Aug 2026 at 14:32, Taavi Väänänen <[email protected]> wrote: > > Hi, > > This is a reminder that we plan to shut down the old Toolforge > Elasticsearch 7 cluster early next week. If you maintain a tool still > using that cluster, please plan to migrate your tool to the new > OpenSearch cluster before the shutdown by following the instructions > in my previous email[0] or reach out for assistance. > > [0]: > https://lists.wikimedia.org/hyperkitty/list/[email protected]/thread/JQ4GTGHAHFU7LVQPIZBOE5Z5WZSO6KK7/ > > thanks, > Taavi > > On Thu, 30 Jul 2026 at 12:53, Taavi Väänänen <[email protected]> wrote: > > > > Hi all, > > > > The Toolforge Elasticsearch cluster is being replaced with a cluster > > based on OpenSearch v2[0]. If your tool uses the writable > > Elastic/OpenSearch functionality you will need to manually migrate > > your tool to the new cluster as described in the rest of this email. > > (Note that this is different from the "Cloud Elastic" service which > > provides read-only access to the search indexes of Wikimedia wikis.) > > > > The Wikitech page[0] has been updated with the details of the new > > cluster, which are almost identical to the previous cluster except the > > hostname and software version used. The same set of credentials will > > also work on the new cluster. There are, however, some breaking API > > changes between the old version and the new one, which is why we are > > not just migrating all indexes for all tools at once. > > > > To help migrate data from the old cluster to the new one, we have > > temporarily added a `toolforge migrate-index` command to the bastion > > servers to copy over an index and its mappings, aliases and > > replication settings. The tool takes a space-separated list of indexes > > to migrate, and will use credentials saved as envvars by default (and > > prompt you if those are not available). Migration is relatively quick, > > in my tests an index with about 400k records and 1+1 replication takes > > about a minute to migrate. > > > > The old Elasticsearch cluster will be shut down on 24 August. > > > > This work is tracked as T401818.[1] > > > > [0]: https://wikitech.wikimedia.org/wiki/Help:Toolforge/OpenSearch > > [1]: https://phabricator.wikimedia.org/T401818 > > > > -- > > Taavi Väänänen (he/they) > > Site Reliability Engineer, Tools Infrastructure > > Wikimedia Foundation > > > > -- > Taavi Väänänen (he/they) > Site Reliability Engineer, Tools Infrastructure > Wikimedia Foundation -- Taavi Väänänen (he/they) Site Reliability Engineer, Tools Infrastructure Wikimedia Foundation _______________________________________________ Cloud-announce mailing list -- [email protected] List information: https://lists.wikimedia.org/postorius/lists/cloud-announce.lists.wikimedia.org/
