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Diffstat (limited to 'doc/development/geo.md')
| -rw-r--r-- | doc/development/geo.md | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/doc/development/geo.md b/doc/development/geo.md index b922fdfa119..bf56340f8ec 100644 --- a/doc/development/geo.md +++ b/doc/development/geo.md @@ -216,15 +216,11 @@ bundle exec rake geo:db:migrate Foreign Data Wrapper ([FDW](#fdw)) is used by the [Geo Log Cursor](#geo-log-cursor) and improves the performance of many synchronization operations. -FDW is a PostgreSQL extension ([`postgres_fdw`](https://www.postgresql.org/docs/current/postgres-fdw.html)) that is enabled within +FDW is a PostgreSQL extension ([`postgres_fdw`](https://www.postgresql.org/docs/11/postgres-fdw.html)) that is enabled within the Geo Tracking Database (on a **secondary** node), which allows it to connect to the readonly database replica and perform queries and filter data from both instances. -While FDW is available in older versions of PostgreSQL, we needed to -raise the minimum required version to 9.6 as this includes many -performance improvements to the FDW implementation. - This persistent connection is configured as an FDW server named `gitlab_secondary`. This configuration exists within the database's user context only. To access the `gitlab_secondary`, GitLab needs to use the |