greenplumn resource_manager 源码
greenplumn resource_manager 代码
文件路径：/src/include/utils/resource_manager.h
/*-------------------------------------------------------------------------
*
* resource_manager.h
* GPDB resource manager definitions.
*
*
* Portions Copyright (c) 2006-2017, Greenplum inc.
* Portions Copyright (c) 2012-Present VMware, Inc. or its affiliates.
*
* IDENTIFICATION
* src/include/utils/resource_manager.h
*
*-------------------------------------------------------------------------
*/
#ifndef RESOURCEMANAGER_H
#define RESOURCEMANAGER_H
#include "utils/resscheduler.h"
#include "utils/resgroup.h"
#define IsResQueueEnabled() \
(ResourceScheduler && \
Gp_resource_manager_policy == RESOURCE_MANAGER_POLICY_QUEUE)
/*
* Caution: resource group may be enabled but not activated.
*/
#define IsResGroupEnabled() \
(ResourceScheduler && \
Gp_resource_manager_policy == RESOURCE_MANAGER_POLICY_GROUP)
/*
* Resource group do not govern the auxiliary processes and special backends
* like ftsprobe, filerep process, so we need to check if resource group is
* actually activated
*/
#define IsResGroupActivated() \
(ResGroupActivated)
typedef enum
{
RESOURCE_MANAGER_POLICY_QUEUE,
RESOURCE_MANAGER_POLICY_GROUP,
} ResourceManagerPolicy;
/*
* GUC variables.
*/
extern bool ResourceScheduler;
extern ResourceManagerPolicy Gp_resource_manager_policy;
extern bool ResGroupActivated;
extern void ResManagerShmemInit(void);
extern void InitResManager(void);
#endif /* RESOURCEMANAGER_H */
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