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pgx-mutex

Pgx-mutex is a distributed lock library using PostgreSQL.

Installation

go get github.com/jokruger/pgx-mutex

Basic Usage

Process 1

...
m, _ := pgxmutex.NewSyncMutex(
    pgxmutex.WithConnStr("postgres://postgres:postgres@localhost:5432/postgres"),
    pgxmutex.WithResourceID(123),
)
m.Lock()
fmt.Println("Process 1 is in critical section")
time.Sleep(10 * time.Second)
m.Unlock()
...

Process 2

...
m, _ := pgxmutex.NewSyncMutex(
    pgxmutex.WithConnStr("postgres://postgres:postgres@localhost:5432/postgres"),
    pgxmutex.WithResourceID(123),
)
m.Lock()
fmt.Println("Process 2 is in critical section")
time.Sleep(10 * time.Second)
m.Unlock()
...

For more examples and betchmarks refer to https://github.com/jokruger/distributed-lock-benchmark