From 1415a8388f2912ea4618a4eeaf40ed11fa808bdc Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Fri, 21 Jun 2002 16:52:00 +0000 Subject: [PATCH] Update hash warning in manual. --- doc/src/sgml/indices.sgml | 9 +++++---- doc/src/sgml/ref/create_index.sgml | 9 +++++---- 2 files changed, 10 insertions(+), 8 deletions(-) diff --git a/doc/src/sgml/indices.sgml b/doc/src/sgml/indices.sgml index 6317e4ea74..214764a4a6 100644 --- a/doc/src/sgml/indices.sgml +++ b/doc/src/sgml/indices.sgml @@ -1,4 +1,4 @@ - + Indexes @@ -181,9 +181,10 @@ CREATE INDEX name ON table - Testing has shown that hash indexes are slower than btree indexes, - and the size and build time for hash indexes is much worse. For - these reasons, hash index use is discouraged. + Testing has shown hash indexes to be similar or slower than btree + indexes, and the index size and build time for hash indexes is much + worse. Hash indexes also suffer poor performance under high + concurrency. For these reasons, hash index use is discouraged. diff --git a/doc/src/sgml/ref/create_index.sgml b/doc/src/sgml/ref/create_index.sgml index 6bb972e988..62963c2172 100644 --- a/doc/src/sgml/ref/create_index.sgml +++ b/doc/src/sgml/ref/create_index.sgml @@ -1,5 +1,5 @@ @@ -330,9 +330,10 @@ ERROR: Cannot create index: 'index_name' already exists. the = operator. - Testing has shown that hash indexes are slower than btree indexes, - and the size and build time for hash indexes is much worse. For - these reasons, hash index use is discouraged. + Testing has shown hash indexes to be similar or slower than btree + indexes, and the index size and build time for hash indexes is much + worse. Hash indexes also suffer poor performance under high + concurrency. For these reasons, hash index use is discouraged. -- 2.11.0