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authorAlvaro Herrera <alvherre@alvh.no-ip.org>2007-02-15 23:23:23 +0000
committerAlvaro Herrera <alvherre@alvh.no-ip.org>2007-02-15 23:23:23 +0000
commit182065093420b667a850828c3241ffe940df1aa4 (patch)
tree14a1fa8acdaf45cdc11e760e961bd4f91b1c20c4 /src/backend/utils/adt/xml.c
parenteecbb33267642a2f6fcb2a2652f55412b333f4df (diff)
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Restructure autovacuum in two processes: a dummy process, which runs
continuously, and requests vacuum runs of "autovacuum workers" to postmaster. The workers do the actual vacuum work. This allows for future improvements, like allowing multiple autovacuum jobs running in parallel. For now, the code keeps the original behavior of having a single autovac process at any time by sleeping until the previous worker has finished.
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