* docs - add info about moving a query to a different resource group

* need to be superuser

* remove upgrade/downgrade info for master

* docs - resource group support of runaway query detection

update GUC runaway_detector_activation_percent
Add cross reference in
--Admin Guide resource group memory management topic
--CREATE RESOURCE GROUP parameter MEMORY_AUDITOR

This will be backported to 5X)_STABLE

* docs - minor edit

* docs - review comment updates

* docs - simplified description for resource groups
--replaced requirement for vmtracker mem. auditor w/ admin_group, and default_group
--Added global shared memory example from Simon

* docs - created an Admin Guide section for resource group automatic query termination.

* docs - fix math error

Other changes
--updated some queries and results to use state column from pg_stat_activity.
--update gp_toolkit.gp_workfile_* tables -based on replacing workfiles with buffiles
dev PR https://github.com/greenplum-db/gpdb/pull/6508

Updates in HTML format

Changed references to current_query to query, change some queries
http://docs-msk-gpdb6-dev.cfapps.io/6-0/admin_guide/perf_troubleshoot.html#topic5
http://docs-msk-gpdb6-dev.cfapps.io/6-0/admin_guide/workload_mgmt.html#topic27
http://docs-msk-gpdb6-dev.cfapps.io/6-0/admin_guide/workload_mgmt_resgroups.html
http://docs-msk-gpdb6-dev.cfapps.io/6-0/admin_guide/managing/startstop.html
http://docs-msk-gpdb6-dev.cfapps.io/6-0/ref_guide/config_params/guc-list.html#track_activity_query_size
http://docs-msk-gpdb6-dev.cfapps.io/6-0/ref_guide/sql_commands/DROP_RESOURCE_GROUP.html

Minor edit to column name
http://docs-msk-gpdb6-dev.cfapps.io/6-0/ref_guide/system_catalogs/pg_stat_activity.html

Reword change of column name from current_query to query.
http://docs-msk-gpdb6-dev.cfapps.io/6-0/install_guide/migrate.html

update gp_toolkit.gp_workfile_* tables -based on replacing workfiles with buffiles
http://docs-msk-gpdb6-dev.cfapps.io/6-0/ref_guide/gp_toolkit.html#topic32

Add schema to tablename
http://docs-msk-gpdb6-dev.cfapps.io/6-0/admin_guide/managing/monitor.html

* Add centos7 command to start config.service

* Add some text around starting immediately

* docs - GPCC no longer depends on gpperfmon_install

* Review comments from David

* docs - updates for changes to resgroup MAX_SPILL_RATIO/MEMORY_LIMIT

* some of the edits requested by hubert

* add RG info to statement_mem guc descript, RGs use max_statement_mem

* more misc edits

* new topic about reserving memory vs. using RG global shared mem pool

* more misc edits

* more misc edits

* change title

The procpid attribute in the pg_stat_activity and pg_stat_replication
views has been renamed to just pid, but a few queries in the docs and
alternative test outputs hadn't gotten the memo.

Reported-by: Craig Sylvester
Reviewed-by: David Yozie

* reword from 'experimental' to 'beta'

* Experimental -> Beta in markdown source

* typo fix

* Removing SuSE 11 details in Beta notes

* docs - add new host/seg resource group usage views

* clarifications requested by ning

* docs - add information about nested cgroups

* docs - nested cgroup information.
--updated note for resource groups
--added note to gp_toolkit.gp_resgroup_config table description

* docs - nested cgroup information - updates based on review comments.

* docs - add GUC gp_resource_group_bypass

Link to HTML on GPDB review doc site.
http://docs-gpdb-review-staging.cfapps.io/review/ref_guide/config_params/guc-list.html#gp_resource_group_bypass

GUC list by category
http://docs-gpdb-review-staging.cfapps.io/review/ref_guide/config_params/guc_category-list.html#topic444

* docs - new GUC gp_resource_group_bypass

--Edits based on review comments.
--Add link to GUC from Admin Guide.
--Update TOC for this guc and other gucs not in TOC.

* docs - review updates for GUC gp_resource_group_bypass

* docs - fix typos in definition of GUC gp_resource_group_bypass

* docs - update to GUC gp_resource_group_bypass based on dev changes.

* docs - resource group cpuset feature

* alter and create resource group sgml ref page updates

* gp_resource_group_cpu_limit applies to both CPU alloc modes

* add cpuset usage considerations

* restore ... fail, not backup

* misc edits, move note

* docs - add resgroup global shmem recommendation

* put conditions in a list

* explicitly call out vmtracker roles for global shmem

* Changing formatting from varname to i

* docs - clarify settings for low memory queries

* memory_spill_ration range 0-2 for low mem queries

* docs - low memory query config for RQs and RGs

* add missing topic ending tag

* docs - add content for resgroup global shared memory

* some edits requested by david

* memory_spill_ratio max back to 100

* incorporate edits requested from simon

* docs - updates to resgroup "using" page for memory_auditor

* reorg, other suggestions from david

* edits from david

* 2 more edits from david

* too many Greenplum Databases in the sentence

* docs - add resource group faq

* incorporate edits from david

* docs - note OOM query failure when resource groups active

* address comment from simon; add info to rq/rg differences table

* edits from david

* docs - clarify some resource group information

* reword a bit to make intent clearer

* docs - persist resource group configuration

* recreate, not persist, the cgroup hierarchies

* configure service start cmds with preferred auto-start tool

* docs - add gp_toolkit discussion of resgroup views

* remove proposed_cpu_rate_limit

* Docs - editing resource groups warning for RHEL 6

* removing most RG experiental warnings; addressing remaining SuSE issue and experimental status on that platform

* docs - add warning about setting cpu limit guc to near 1

* avoid setting ...