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Allow per-tablespace effective_io_concurrency

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Per discussion, nowadays it is possible to have tablespaces that have
wildly different I/O characteristics from others.  Setting different
effective_io_concurrency parameters for those has been measured to
improve performance.

Author: Julien Rouhaud
Reviewed by: Andres Freund
This commit is contained in:
Alvaro Herrera
2015-09-08 12:51:42 -03:00
parent 665a00c9e2
commit 1aba62ec63
12 changed files with 145 additions and 63 deletions
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2
src/bin/psql/tab-complete.c
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@ -1885,7 +1885,7 @@ psql_completion(const char *text, int start, int end)
pg_strcasecmp(prev_wd, "(") == 0)
{
static const char *const list_TABLESPACEOPTIONS[] =
{"seq_page_cost", "random_page_cost", NULL};
{"seq_page_cost", "random_page_cost", "effective_io_concurrency", NULL};
COMPLETE_WITH_LIST(list_TABLESPACEOPTIONS);
}