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使用并发队列安装和升级数据表/启动时自动调整MySQL变量

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GoEdgeLab
2022-09-25 20:34:19 +08:00
parent d2c925f843
commit dd48aa59b3
4 changed files with 155 additions and 53 deletions
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52
internal/nodes/api_node.go
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@@ -8,6 +8,7 @@ import (
"github.com/TeaOSLab/EdgeAPI/internal/configs"
teaconst "github.com/TeaOSLab/EdgeAPI/internal/const"
"github.com/TeaOSLab/EdgeAPI/internal/db/models"
dbutils "github.com/TeaOSLab/EdgeAPI/internal/db/utils"
"github.com/TeaOSLab/EdgeAPI/internal/events"
"github.com/TeaOSLab/EdgeAPI/internal/goman"
"github.com/TeaOSLab/EdgeAPI/internal/remotelogs"
@@ -32,7 +33,6 @@ import (
"net"
"os"
"os/exec"
"regexp"
"runtime"
"sort"
"strconv"
@@ -384,27 +384,20 @@ func (this *APINode) setupDB() error {
return err
}
// 调整预处理语句数量
// 设置Innodb事务提交模式
{
result, err := db.FindOne("SHOW VARIABLES WHERE variable_name='max_prepared_stmt_count'")
if err != nil {
return err
}
var value = result.GetString("Value")
if regexp.MustCompile(`^\d+$`).MatchString(value) {
var valueInt = types.Int(value)
if valueInt < 65535 {
_, err := db.Exec("SET GLOBAL max_prepared_stmt_count=65535")
if err != nil {
return errors.New("run 'SET GLOBAL max_prepared_stmt_count' on database failed: " + err.Error() + ", \nyou can change the variable in 'my.cnf': \n~~~\n" + `[mysqld]
max_prepared_stmt_count=65535
~~~
then restart mysqld.`)
}
result, err := db.FindOne("SHOW VARIABLES WHERE variable_name='innodb_flush_log_at_trx_commit'")
if err == nil && result != nil {
var oldValue = result.GetInt("Value")
if oldValue == 1 {
_, _ = db.Exec("SET GLOBAL innodb_flush_log_at_trx_commit=2")
}
}
}
// 调整预处理语句数量
_ = dbutils.SetGlobalVarMin(db, "max_prepared_stmt_count", 65535)
// 调整binlog过期时间
{
const binlogExpireDays = 7
@@ -413,25 +406,22 @@ then restart mysqld.`)
if err == nil {
var versionString = types.String(version)
if strings.HasPrefix(versionString, "8.") {
result, err := db.FindOne("SHOW VARIABLES WHERE variable_name='binlog_expire_logs_seconds'")
if err == nil && result != nil {
var oldValue = result.GetInt("Value")
if oldValue > binlogExpireDays*86400 {
_, _ = db.Exec("SET GLOBAL binlog_expire_logs_seconds=" + types.String(binlogExpireDays*86400))
}
}
_ = dbutils.SetGlobalVarMax(db, "binlog_expire_logs_seconds", binlogExpireDays*86400)
} else if strings.HasPrefix(versionString, "5.") {
result, err := db.FindOne("SHOW VARIABLES WHERE variable_name='expire_logs_days'")
if err == nil && result != nil {
var oldValue = result.GetInt("Value")
if oldValue > binlogExpireDays {
_, _ = db.Exec("SET GLOBAL expire_logs_days=" + types.String(binlogExpireDays))
}
}
_ = dbutils.SetGlobalVarMax(db, "expire_logs_days", binlogExpireDays)
}
}
}
// 设置binlog_cache_size
_ = dbutils.SetGlobalVarMin(db, "binlog_cache_size", 1*1024*1024)
// 设置binlog_stmt_cache_size
_ = dbutils.SetGlobalVarMin(db, "binlog_stmt_cache_size", 1*1024*1024)
// 设置thread_cache_size
_ = dbutils.SetGlobalVarMin(db, "thread_cache_size", 32)
return nil
}