PgBouncer How-to - Upgrade

[taurus (Alex Lutay)]

PgBouncer Upgrade

Please choose the appropriate upgrade/rollback tutorial.

Migration:

• Major upgrade, e.g. PgBouncer 1 -> PgBouncer 2.

• Major rollback, e.g. PgBouncer 2 -> PgBouncer 1.

In-place minor upgrade:

• Minor upgrade, e.g. PgBouncer 1.18 -> PgBouncer 1.19
  (including charm revision bump 99 -> 102).

• Minor rollback, e.g. PgBouncer 1.19 -> PgBouncer 1.18
  (including charm revision return 102 -> 99).