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badger-restore
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| package main | |
| import ( | |
| "fmt" | |
| "log" | |
| "os" | |
| badger "github.com/dgraph-io/badger/v3" | |
| badgerOptions "github.com/dgraph-io/badger/v3/options" | |
| ) | |
| func main() { | |
| db, err := badger.Open(badger.DefaultOptions("test_db").WithValueLogFileSize(16 << 20).WithMemTableSize(8 << 20).WithValueLogMaxEntries(50000).WithBlockCacheSize(32 << 20).WithCompression(badgerOptions.Snappy)) | |
| if err != nil { | |
| log.Fatalf("Failed to Open: %s\n", err.Error()) | |
| } | |
| defer db.Close() | |
| pid := os.Getpid() | |
| fmt.Println(pid) | |
| i := 0 | |
| for { | |
| err = db.Update(func(txn *badger.Txn) error { | |
| key := fmt.Sprintf("key_%d", i) | |
| value := fmt.Sprintf("value_%d", i) | |
| e := badger.NewEntry([]byte(key), []byte(value)) | |
| err = txn.SetEntry(e) | |
| return err | |
| }) | |
| if err != nil { | |
| log.Fatalf("Failed to Set: %s\n", err.Error()) | |
| } | |
| i += 1 | |
| // time.Sleep(10 * time.Millisecond) | |
| } | |
| } |
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| package main | |
| import ( | |
| "fmt" | |
| "log" | |
| "os" | |
| "os/signal" | |
| "syscall" | |
| badger "github.com/dgraph-io/badger/v3" | |
| badgerOptions "github.com/dgraph-io/badger/v3/options" | |
| ) | |
| func main() { | |
| interrupt := make(chan os.Signal, 1) | |
| signal.Notify(interrupt, os.Interrupt, syscall.SIGTERM) | |
| db, err := badger.Open(badger.DefaultOptions("test_db").WithValueLogFileSize(16 << 20).WithMemTableSize(8 << 20).WithValueLogMaxEntries(50000).WithBlockCacheSize(32 << 20).WithCompression(badgerOptions.Snappy)) | |
| if err != nil { | |
| log.Fatalf("Failed to Open: %s\n", err.Error()) | |
| } | |
| defer db.Close() | |
| pid := os.Getpid() | |
| fmt.Println(pid) | |
| i := 0 | |
| go func() { | |
| for { | |
| err = db.Update(func(txn *badger.Txn) error { | |
| key := fmt.Sprintf("key_%d", i) | |
| value := fmt.Sprintf("value_%d", i) | |
| e := badger.NewEntry([]byte(key), []byte(value)) | |
| err = txn.SetEntry(e) | |
| return err | |
| }) | |
| if err != nil { | |
| log.Fatalf("Failed to Set: %s\n", err.Error()) | |
| } | |
| i += 1 | |
| } | |
| }() | |
| killSignal := <-interrupt | |
| switch killSignal { | |
| case os.Interrupt: | |
| log.Print("Received OS Interrupt") | |
| db.Close() | |
| case syscall.SIGTERM: | |
| log.Print("Received Termination Signal") | |
| db.Close() | |
| } | |
| } |
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