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hhxsv5 / go-redis-memory-analysisGoMIT

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Go 实现的 Redis 内存分析工具:用于找出占用内存较多的 Key,将结果导出至 CSV 文件。 展开 收起

https://github.com/hhxsv5/go-redis-memory-analysis

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README.md

Redis memory analysis

🔎 Analyzing memory of redis is to find the keys(prefix) which used a lot of memory, export the analysis result into csv file.

Binary File Usage

  1. Download the appropriate binary file from Releases

  2. Run

# help
./redis-memory-analysis-linux-amd64 -h
Usage of ./redis-memory-analysis-darwin-amd64:
  -ip string
    	The host of redis (default "127.0.0.1")
  -password string
    	The password of redis (default "")
  -port uint
    	The port of redis (default 6379)
  -rdb string
    	The rdb file of redis (default "")
  -prefixes string
    	The prefixes list of redis key, be split by '//', special pattern characters need to escape by '\' (default "#//:")
  -reportPath string
    	The csv file path of analysis result (default "./reports")

# run by connecting to redis
./redis-memory-analysis-linux-amd64 -ip="127.0.0.1" -port=6380 -password="abc" -prefixes="#//:"

# run by redis rdb file
./redis-memory-analysis-linux-amd64 -rdb="./6379_dump.rdb" -prefixes="#//:"

Source Code Usage

  1. Install
//cd your-root-folder-of-project
// dep init
dep ensure -add github.com/hhxsv5/go-redis-memory-analysis@~2.0.0
  1. Run
  • Analyze keys by connecting to redis directly.
analysis := NewAnalysis()
//Open redis: 127.0.0.1:6379 without password
err := analysis.Open("127.0.0.1", 6379, "")
defer analysis.Close()
if err != nil {
    fmt.Println("something wrong:", err)
    return
}

//Scan the keys which can be split by '#' ':'
//Special pattern characters need to escape by '\'
analysis.Start([]string{"#", ":"})

//Find the csv file in default target folder: ./reports
//CSV file name format: redis-analysis-{host:port}-{db}.csv
//The keys order by count desc
err = analysis.SaveReports("./reports")
if err == nil {
    fmt.Println("done")
} else {
    fmt.Println("error:", err)
}
  • Analyze keys by redis RDB file, but cannot work out the size of key.
analysis := NewAnalysis()
//Open redis rdb file: ./6379_dump.rdb
err := analysis.OpenRDB("./6379_dump.rdb")
defer analysis.CloseRDB()
if err != nil {
    fmt.Println("something wrong:", err)
    return
}

//Scan the keys which can be split by '#' ':'
//Special pattern characters need to escape by '\'
analysis.StartRDB([]string{"#", ":"})

//Find the csv file in default target folder: ./reports
//CSV file name format: redis-analysis-{host:port}-{db}.csv
//The keys order by count desc
err = analysis.SaveReports("./reports")
if err == nil {
    fmt.Println("done")
} else {
    fmt.Println("error:", err)
}

CSV

Another tool implemented by PHP

redis-memory-analysis

License

MIT

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