process

Documentation

Overview

-------------------------------------------------------------------------

*
* oom_controller.go
*    OOM controller in k8s environment
*
*
* Copyright (c) 2021, Alibaba Group Holding Limited
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* IDENTIFICATION
*           plugins/polardb_pg_opensource/resource/process/oom_controller.go
*-------------------------------------------------------------------------

-------------------------------------------------------------------------

*
* pg_process_collector.go
*    collect polardb pg process resource
*
*
* Copyright (c) 2021, Alibaba Group Holding Limited
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* IDENTIFICATION
*           plugins/polardb_pg_opensource/resource/process/pg_process_collector.go
*-------------------------------------------------------------------------

Index

• Constants
• Variables
• type OOMController
  • func NewOOMController() *OOMController
  • func (c *OOMController) Collect(out map[string]interface{}) error
  • func (c *OOMController) Init(m map[string]interface{}, logger *log.PluginLogger) error
  • func (c *OOMController) Stop() error
• type PgProcessResource
• type PgProcessResourceCollector
  • func NewPgProcessResourceCollector() *PgProcessResourceCollector
  • func (p *PgProcessResourceCollector) Collect(out map[string]interface{}) error
  • func (p *PgProcessResourceCollector) Init(m map[string]interface{}, logger *log.PluginLogger) error
  • func (p *PgProcessResourceCollector) Stop() error

Constants

const MaxTopSize = 3

Variables

var BackendTypeMap = map[string]string{
	"logger":            "logger",
	"checkpointer":      "checkpoint",
	"background writer": "bgwriter",
	"walwriter":         "walwriter",
	"autovacuum":        "autovacuum",
	"archiver":          "archiver",
	"stats collector":   "pgstat",
	"walsender":         "walsender",
	"walreceiver":       "walreceiver",
	"startup":           "startup",
	"writer":            "bgwriter",
	"bgworker":          "bgworker",
}

Types

type OOMController

type OOMController struct {
	// contains filtered or unexported fields
}

func NewOOMController

func NewOOMController() *OOMController

func (*OOMController) Collect

func (c *OOMController) Collect(out map[string]interface{}) error

func (*OOMController) Init

func (c *OOMController) Init(m map[string]interface{}, logger *log.PluginLogger) error

func (*OOMController) Stop

func (c *OOMController) Stop() error

type PgProcessResource

type PgProcessResource struct {
	BackendType          string
	State                string
	CpuUser              uint64
	CpuSys               uint64
	Rss                  uint64
	ReadIOCount          uint64
	WriteIOCount         uint64
	ReadIOThroughput     uint64
	WriteIOThroughput    uint64
	BlockReadThroughput  uint64
	BlockWriteThroughput uint64

	CpuUserDelta              float64
	CpuSysDelta               float64
	ReadIOCountDelta          float64
	WriteIOCountDelta         float64
	ReadIOThroughputDelta     float64
	WriteIOThroughputDelta    float64
	BlockReadThroughputDelta  float64
	BlockWriteThroughputDelta float64

	Count uint64
}

type PgProcessResourceCollector

type PgProcessResourceCollector struct {
	// contains filtered or unexported fields
}

func NewPgProcessResourceCollector

func NewPgProcessResourceCollector() *PgProcessResourceCollector

func (*PgProcessResourceCollector) Collect

func (p *PgProcessResourceCollector) Collect(out map[string]interface{}) error

func (*PgProcessResourceCollector) Init

func (p *PgProcessResourceCollector) Init(m map[string]interface{},
	logger *log.PluginLogger) error

func (*PgProcessResourceCollector) Stop

func (p *PgProcessResourceCollector) Stop() error