add: 提交

2023-08-14 17:02:50 +08:00
parent 897d45d443
commit 5ac2e981ea
163 changed files with 29466 additions and 0 deletions
--- a/lib/cache/cache.go
+++ b/lib/cache/cache.go
@@ -0,0 +1,55 @@
+package cache
+
+import (
+	"time"
+
+	"ems.agt/lib/cache/badger_db"
+	"ems.agt/lib/log"
+	"github.com/dgraph-io/badger/v4"
+)
+
+var CACHE *badger_db.Cache
+
+func Init() {
+	options := badger.Options{
+		Dir:                "tmp/badger",
+		ValueDir:           "tmp/badger",
+		ValueLogFileSize:   64 << 20,
+		ValueLogMaxEntries: 10 << 20,
+		VLogPercentile:     0.1,
+
+		MemTableSize:                  32 << 20,
+		BaseTableSize:                 2 << 20,
+		BaseLevelSize:                 10 << 20,
+		TableSizeMultiplier:           2,
+		LevelSizeMultiplier:           10,
+		MaxLevels:                     7,
+		NumGoroutines:                 4,
+		MetricsEnabled:                true,
+		NumCompactors:                 2,
+		NumLevelZeroTables:            5,
+		NumLevelZeroTablesStall:       15,
+		NumMemtables:                  1,
+		BloomFalsePositive:            0.01,
+		BlockSize:                     2 * 1024,
+		SyncWrites:                    false,
+		NumVersionsToKeep:             1,
+		CompactL0OnClose:              false,
+		VerifyValueChecksum:           false,
+		BlockCacheSize:                32 << 20,
+		IndexCacheSize:                0,
+		ZSTDCompressionLevel:          1,
+		EncryptionKey:                 []byte{},
+		EncryptionKeyRotationDuration: 10 * 24 * time.Hour, // Default 10 days.
+		DetectConflicts:               true,
+		NamespaceOffset:               -1,
+	}
+
+	cache, err := badger.Open(options)
+	if err != nil {
+		log.Errorf("failed to badger init cache:", err)
+	}
+
+	CACHE = badger_db.NewCacheDB(cache)
+	log.Info("init cache successfully")
+}