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Postgres FD Implementation
Commit 5a12c808 authored by Robert Haas's avatar Robert Haas
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Note that effective_io_concurrency only affects bitmap heap scans. 

Josh Kupershmidt
parent 20709f81
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doc/src/sgml/config.sgml
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...@@ -1354,7 +1354,8 @@ SET ENABLE_SEQSCAN TO OFF; ...@@ -1354,7 +1354,8 @@ SET ENABLE_SEQSCAN TO OFF;
simultaneously. Raising this value will increase the number of I/O simultaneously. Raising this value will increase the number of I/O
operations that any individual <productname>PostgreSQL</> session operations that any individual <productname>PostgreSQL</> session
attempts to initiate in parallel. The allowed range is 1 to 1000, attempts to initiate in parallel. The allowed range is 1 to 1000,
or zero to disable issuance of asynchronous I/O requests. or zero to disable issuance of asynchronous I/O requests. Currently,
this setting only affects bitmap heap scans.
</para> </para>
<para> <para>
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