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Reduce default value of max_prepared_transactions from 50 to 5. This

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saves nearly 700kB in the default shared memory segment size, which seems
worthwhile, and it is a feature that many users won't use anyway.  Per
Heikki's argument, there is no point in a compromise value --- those who
are using 2PC at all will probably want it at least equal to max_connections.
But we can't set it to zero by default without breaking the prepared_xacts
regression test.
This commit is contained in:
Tom Lane
2005-08-29 21:38:18 +00:00
parent 8aec77fb9f
commit 037709e0b3
4 changed files with 7 additions and 7 deletions
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src/backend/utils/misc/postgresql.conf.sample
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@ -90,7 +90,7 @@
#shared_buffers = 1000 # min 16 or max_connections*2, 8KB each
#temp_buffers = 1000 # min 100, 8KB each
#max_prepared_transactions = 50 # can be 0 or more
#max_prepared_transactions = 5 # can be 0 or more
#work_mem = 1024 # min 64, size in KB
#maintenance_work_mem = 16384 # min 1024, size in KB
#max_stack_depth = 2048 # min 100, size in KB