8e242cd012
this will allow for some nice runtime analysis down the road. also, this allows for wrapping database handles in a way that can interact with these contexts requires https://review.dev.storj.io/c/storj/dbx/+/514 Change-Id: Ib087b7cd73296dd2c1e0331314da34d861f61d2b
36 lines
1.1 KiB
Go
36 lines
1.1 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package dbutil
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import (
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"flag"
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monkit "gopkg.in/spacemonkeygo/monkit.v2"
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"storj.io/storj/private/dbutil/dbwrap"
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)
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var (
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maxIdleConns = flag.Int("db.max_idle_conns", 20, "Maximum Amount of Idle Database connections, -1 means the stdlib default")
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maxOpenConns = flag.Int("db.max_open_conns", 25, "Maximum Amount of Open Database connections, -1 means the stdlib default")
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connMaxLifetime = flag.Duration("db.conn_max_lifetime", -1, "Maximum Database Connection Lifetime, -1ns means the stdlib default")
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)
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// Configure Sets Connection Boundaries and adds db_stats monitoring to monkit
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func Configure(db dbwrap.DB, mon *monkit.Scope) {
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if *maxIdleConns >= 0 {
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db.SetMaxIdleConns(*maxIdleConns)
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}
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if *maxOpenConns >= 0 {
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db.SetMaxOpenConns(*maxOpenConns)
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}
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if *connMaxLifetime >= 0 {
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db.SetConnMaxLifetime(*connMaxLifetime)
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}
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mon.Chain("db_stats", monkit.StatSourceFunc(
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func(cb func(name string, val float64)) {
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monkit.StatSourceFromStruct(db.Stats()).Stats(cb)
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}))
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}
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