greenplumn resgroup-ops 源码
greenplumn resgroup-ops 代码
文件路径：/src/include/utils/resgroup-ops.h
/*-------------------------------------------------------------------------
*
* resgroup-ops.h
* GPDB resource group definitions.
*
* Copyright (c) 2017 VMware, Inc. or its affiliates.
*
*
* IDENTIFICATION
* src/include/utils/resgroup-ops.h
*
*-------------------------------------------------------------------------
*/
#ifndef RES_GROUP_OPS_H
#define RES_GROUP_OPS_H
/*
* Resource Group underlying component types.
*/
typedef enum
{
RESGROUP_COMP_TYPE_FIRST = 0,
RESGROUP_COMP_TYPE_UNKNOWN = -1,
RESGROUP_COMP_TYPE_CPU,
RESGROUP_COMP_TYPE_CPUACCT,
RESGROUP_COMP_TYPE_MEMORY,
RESGROUP_COMP_TYPE_CPUSET,
RESGROUP_COMP_TYPE_COUNT,
} ResGroupCompType;
#define RESGROUP_ROOT_ID (InvalidOid)
/*
* Default cpuset group is a group manages the cpu cores which not belong to
* any other cpuset group. All the processes which not belong to any cpuset
* group will be run on cores in default cpuset group. It is a virtual group,
* can't be seen in gpdb.
*/
#define DEFAULT_CPUSET_GROUP_ID 1
/*
* If cpu_rate_limit is set to this value, it means this feature is disabled
*/
#define CPU_RATE_LIMIT_DISABLED (-1)
/*
* Interfaces for OS dependent operations
*/
extern const char *ResGroupOps_Name(void);
extern bool ResGroupOps_Probe(void);
extern void ResGroupOps_Bless(void);
extern void ResGroupOps_Init(void);
extern void ResGroupOps_AdjustGUCs(void);
extern void ResGroupOps_CreateGroup(Oid group);
extern void ResGroupOps_DestroyGroup(Oid group, bool migrate);
extern void ResGroupOps_AssignGroup(Oid group, ResGroupCaps *caps, int pid);
extern int ResGroupOps_LockGroup(Oid group, ResGroupCompType comp, bool block);
extern void ResGroupOps_UnLockGroup(Oid group, int fd);
extern void ResGroupOps_SetCpuRateLimit(Oid group, int cpu_rate_limit);
extern void ResGroupOps_SetMemoryLimit(Oid group, int memory_limit);
extern void ResGroupOps_SetMemoryLimitByValue(Oid group, int32 memory_limit);
extern int64 ResGroupOps_GetCpuUsage(Oid group);
extern int32 ResGroupOps_GetMemoryUsage(Oid group);
extern int32 ResGroupOps_GetMemoryLimit(Oid group);
extern int ResGroupOps_GetCpuCores(void);
extern int ResGroupOps_GetTotalMemory(void);
extern void ResGroupOps_SetCpuSet(Oid group, const char *cpuset);
extern void ResGroupOps_GetCpuSet(Oid group, char *cpuset, int len);
float ResGroupOps_ConvertCpuUsageToPercent(int64 usage, int64 duration);
#endif /* RES_GROUP_OPS_H */
相关信息
相关文章
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
7、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦