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优化过时缓存时长（从600秒改为1200秒）

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GoEdgeLab
2023-08-27 14:49:28 +08:00
parent d209e9611a
commit 501003f1ad
3 changed files with 6 additions and 8 deletions
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11
internal/caches/list_file_db.go
View File

@@ -367,10 +367,9 @@ func (this *FileListDB) CleanPrefix(prefix string) error {
return nil
}
var count = int64(10000)
var staleLife = 600 // TODO 需要可以设置
var unixTime = fasttime.Now().Unix() // 只删除当前的，不删除新的
for {
result, err := this.writeDB.Exec(`UPDATE "`+this.itemsTableName+`" SET expiredAt=0,staleAt=? WHERE id IN (SELECT id FROM "`+this.itemsTableName+`" WHERE expiredAt>0 AND createdAt<=? AND INSTR("key", ?)=1 LIMIT `+types.String(count)+`)`, unixTime+int64(staleLife), unixTime, prefix)
result, err := this.writeDB.Exec(`UPDATE "`+this.itemsTableName+`" SET expiredAt=0,staleAt=? WHERE id IN (SELECT id FROM "`+this.itemsTableName+`" WHERE expiredAt>0 AND createdAt<=? AND INSTR("key", ?)=1 LIMIT `+types.String(count)+`)`, unixTime+DefaultStaleCacheSeconds, unixTime, prefix)
if err != nil {
return this.WrapError(err)
}
@@ -414,15 +413,14 @@ func (this *FileListDB) CleanMatchKey(key string) error {
queryKey = strings.Replace(queryKey, "*", "%", 1)
// TODO 检查大批量数据下的操作性能
var staleLife = 600 // TODO 需要可以设置
var unixTime = fasttime.Now().Unix() // 只删除当前的，不删除新的
_, err = this.writeDB.Exec(`UPDATE "`+this.itemsTableName+`" SET "expiredAt"=0, "staleAt"=? WHERE "host" GLOB ? AND "host" NOT GLOB ? AND "key" LIKE ? ESCAPE '\'`, unixTime+int64(staleLife), host, "*."+host, queryKey)
_, err = this.writeDB.Exec(`UPDATE "`+this.itemsTableName+`" SET "expiredAt"=0, "staleAt"=? WHERE "host" GLOB ? AND "host" NOT GLOB ? AND "key" LIKE ? ESCAPE '\'`, unixTime+DefaultStaleCacheSeconds, host, "*."+host, queryKey)
if err != nil {
return err
}
_, err = this.writeDB.Exec(`UPDATE "`+this.itemsTableName+`" SET "expiredAt"=0, "staleAt"=? WHERE "host" GLOB ? AND "host" NOT GLOB ? AND "key" LIKE ? ESCAPE '\'`, unixTime+int64(staleLife), host, "*."+host, queryKey+SuffixAll+"%")
_, err = this.writeDB.Exec(`UPDATE "`+this.itemsTableName+`" SET "expiredAt"=0, "staleAt"=? WHERE "host" GLOB ? AND "host" NOT GLOB ? AND "key" LIKE ? ESCAPE '\'`, unixTime+DefaultStaleCacheSeconds, host, "*."+host, queryKey+SuffixAll+"%")
if err != nil {
return err
}
@@ -456,10 +454,9 @@ func (this *FileListDB) CleanMatchPrefix(prefix string) error {
queryPrefix += "%"
// TODO 检查大批量数据下的操作性能
var staleLife = 600 // TODO 需要可以设置
var unixTime = fasttime.Now().Unix() // 只删除当前的，不删除新的
_, err = this.writeDB.Exec(`UPDATE "`+this.itemsTableName+`" SET "expiredAt"=0, "staleAt"=? WHERE "host" GLOB ? AND "host" NOT GLOB ? AND "key" LIKE ? ESCAPE '\'`, unixTime+int64(staleLife), host, "*."+host, queryPrefix)
_, err = this.writeDB.Exec(`UPDATE "`+this.itemsTableName+`" SET "expiredAt"=0, "staleAt"=? WHERE "host" GLOB ? AND "host" NOT GLOB ? AND "key" LIKE ? ESCAPE '\'`, unixTime+DefaultStaleCacheSeconds, host, "*."+host, queryPrefix)
return err
}

1
internal/caches/storage_file.go
View File

@@ -58,6 +58,7 @@ const (
FileToMemoryMaxSize = 32 * sizes.M // 可以从文件写入到内存的最大文件尺寸
FileTmpSuffix = ".tmp"
DefaultMinDiskFreeSpace uint64 = 5 << 30 // 当前磁盘最小剩余空间
DefaultStaleCacheSeconds = 1200 // 过时缓存留存时间
)
var sharedWritingFileKeyMap = map[string]zero.Zero{} // key => bool

2
internal/nodes/http_writer.go
View File

@@ -982,7 +982,7 @@ func (this *HTTPWriter) DelayRead() bool {
// 计算stale时长
func (this *HTTPWriter) calculateStaleLife() int {
var staleLife = 600 // TODO 可以在缓存策略里设置此时间
var staleLife = caches.DefaultStaleCacheSeconds
var staleConfig = this.req.web.Cache.Stale
if staleConfig != nil && staleConfig.IsOn {
// 从Header中读取stale-if-error