go/badger: enable truncate to recover from corrupted value log file

.changelog/2732.bugfix.md

@@ -0,0 +1,4 @@
+go/badger: enable truncate to recover from corrupted value log file
+
+Apparently badger is not at all resilient to crashes unless the truncate 
+option is enabled.

go/common/persistent/persistent.go

@@ -49,6 +49,9 @@ func NewCommonStore(dataDir string) (*CommonStore, error) {
 	opts := badger.DefaultOptions(filepath.Join(dataDir, dbName))
 	opts = opts.WithLogger(cmnBadger.NewLogAdapter(logger))
 	opts = opts.WithSyncWrites(true)
+	// Allow value log truncation if required (this is needed to recover the
+	// value log file which can get corrupted in crashes).
+	opts = opts.WithTruncate(true)
 	opts = opts.WithCompression(options.None)
 	// Reduce cache size to 128 KiB as the default is 1 GiB.
 	opts = opts.WithMaxCacheSize(128 * 1024)

go/consensus/tendermint/db/badger/badger.go

@@ -66,6 +66,9 @@ func New(fn string, noSuffix bool) (dbm.DB, error) {
 	opts := badger.DefaultOptions(fn) // This may benefit from LSMOnlyOptions.
 	opts = opts.WithLogger(cmnBadger.NewLogAdapter(logger))
 	opts = opts.WithSyncWrites(false)
+	// Allow value log truncation if required (this is needed to recover the
+	// value log file which can get corrupted in crashes).
+	opts = opts.WithTruncate(true)
 	opts = opts.WithCompression(options.Snappy)
 	// Reduce cache size to 64 MiB as the default is 1 GiB.
 	opts = opts.WithMaxCacheSize(64 * 1024 * 1024)

go/runtime/history/db.go

@@ -53,6 +53,9 @@ func newDB(fn string, runtimeID common.Namespace) (*DB, error) {
 	opts := badger.DefaultOptions(fn)
 	opts = opts.WithLogger(cmnBadger.NewLogAdapter(logger))
 	opts = opts.WithSyncWrites(true)
+	// Allow value log truncation if required (this is needed to recover the
+	// value log file which can get corrupted in crashes).
+	opts = opts.WithTruncate(true)
 	opts = opts.WithCompression(options.None)
 	// Reduce cache size to 10 MiB as the default is 1 GiB.
 	opts = opts.WithMaxCacheSize(10 * 1024 * 1024)

go/runtime/localstorage/localstorage.go

@@ -111,6 +111,9 @@ func New(dataDir, fn string, runtimeID common.Namespace) (LocalStorage, error) {
 	opts := badger.DefaultOptions(filepath.Join(dataDir, fn))
 	opts = opts.WithLogger(cmnBadger.NewLogAdapter(s.logger))
 	opts = opts.WithSyncWrites(true)
+	// Allow value log truncation if required (this is needed to recover the
+	// value log file which can get corrupted in crashes).
+	opts = opts.WithTruncate(true)
 	opts = opts.WithCompression(options.None)
 	// Reduce cache size to 128 KiB as the default is 1 GiB.
 	opts = opts.WithMaxCacheSize(128 * 1024)

go/storage/mkvs/urkel/db/badger/badger.go

@@ -125,6 +125,9 @@ func New(cfg *api.Config) (api.NodeDB, error) {
 	opts := badger.DefaultOptions(cfg.DB)
 	opts = opts.WithLogger(cmnBadger.NewLogAdapter(db.logger))
 	opts = opts.WithSyncWrites(!cfg.DebugNoFsync)
+	// Allow value log truncation if required (this is needed to recover the
+	// value log file which can get corrupted in crashes).
+	opts = opts.WithTruncate(true)
 	opts = opts.WithCompression(options.None)
 	opts = opts.WithMaxCacheSize(cfg.MaxCacheSize)