Repository: incubator-hawq-docs Updated Branches: refs/heads/master 2eb9c1534 -> 53ccf3db3
Unnecessary to put zlib in PATH (closes #130) Project: http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/repo Commit: http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/commit/53ccf3db Tree: http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/tree/53ccf3db Diff: http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/diff/53ccf3db Branch: refs/heads/master Commit: 53ccf3db354531d57b933b680d58d3380ed5bf83 Parents: 2eb9c15 Author: Chuck Litzell <[email protected]> Authored: Tue Sep 19 13:22:52 2017 -0700 Committer: David Yozie <[email protected]> Committed: Tue Sep 19 13:22:52 2017 -0700 ---------------------------------------------------------------------- markdown/reference/guc/parameter_definitions.html.md.erb | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-hawq-docs/blob/53ccf3db/markdown/reference/guc/parameter_definitions.html.md.erb ---------------------------------------------------------------------- diff --git a/markdown/reference/guc/parameter_definitions.html.md.erb b/markdown/reference/guc/parameter_definitions.html.md.erb index d4968e0..a652f72 100644 --- a/markdown/reference/guc/parameter_definitions.html.md.erb +++ b/markdown/reference/guc/parameter_definitions.html.md.erb @@ -1805,7 +1805,7 @@ Adds a checksum value to each block of a work file (or spill file) used by `Hash ## <a name="gp_workfile_compress_algorithm"></a>gp\_workfile\_compress\_algorithm -When a hash aggregation or hash join operation spills to disk during query processing, specifies the compression algorithm to use on the spill files. If using zlib, it must be in your $PATH on all segments. +When a hash aggregation or hash join operation spills to disk during query processing, specifies the compression algorithm to use on the spill files. If your HAWQ database installation uses serial ATA (SATA) disk drives, setting the value of this parameter to `zlib` might help to avoid overloading the disk subsystem with IO operations.
