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| author | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2013-04-04 16:31:44 +0300 |
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| committer | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2013-04-04 16:40:37 +0300 |
| commit | b8ed4cc9627de437e5eafdb81631a0d0f063abb3 (patch) | |
| tree | 06713bbc701c8875db0ffe94b34611bf9c01c117 /doc/src | |
| parent | f7b0006f42913b6d641c9f0bef6fad1f670b9194 (diff) | |
| download | postgresql-b8ed4cc9627de437e5eafdb81631a0d0f063abb3.tar.gz postgresql-b8ed4cc9627de437e5eafdb81631a0d0f063abb3.zip | |
Calculate # of semaphores correctly with --disable-spinlocks.
The old formula didn't take into account that each WAL sender process needs
a spinlock. We had also already exceeded the fixed number of spinlocks
reserved for misc purposes (10). Bump that to 30.
Backpatch to 9.0, where WAL senders were introduced. If I counted correctly,
9.0 had exactly 10 predefined spinlocks, and 9.1 exceeded that, but bump the
limit in 9.0 too because 10 is uncomfortably close to the edge.
Diffstat (limited to 'doc/src')
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