-
Notifications
You must be signed in to change notification settings - Fork 3
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
remove badger keep in memory store only
- Loading branch information
Showing
14 changed files
with
201 additions
and
1,058 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file was deleted.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| package snapshots | ||
|
|
||
| import ( | ||
| "io" | ||
| "os" | ||
|
|
||
| "github.com/apache/arrow/go/v15/arrow" | ||
| "github.com/apache/arrow/go/v15/arrow/ipc" | ||
| "github.com/apache/arrow/go/v15/arrow/memory" | ||
| "github.com/hashicorp/raft" | ||
| "github.com/vinceanalytics/vince/internal/lsm" | ||
| ) | ||
|
|
||
| type Persist interface { | ||
| Persist(f lsm.CompactCallback) | ||
| } | ||
|
|
||
| type Arrow struct { | ||
| File *os.File | ||
| Tree Persist | ||
| Mem memory.Allocator | ||
| } | ||
|
|
||
| var _ raft.FSMSnapshot = (*Arrow)(nil) | ||
|
|
||
| func (a *Arrow) Persist(sink raft.SnapshotSink) (err error) { | ||
| return a.Backup(sink) | ||
| } | ||
|
|
||
| func (a *Arrow) Backup(sink io.Writer) (err error) { | ||
| w, werr := ipc.NewFileWriter( | ||
| a.File, ipc.WithAllocator(a.Mem), | ||
| ipc.WithZstd(), | ||
| ) | ||
| if werr != nil { | ||
| return werr | ||
| } | ||
| a.Tree.Persist(func(tenant string, r arrow.Record) bool { | ||
| if err != nil { | ||
| return false | ||
| } | ||
| err = w.Write(r) | ||
| return true | ||
| }) | ||
| if err != nil { | ||
| return | ||
| } | ||
| err = w.Close() | ||
| if err != nil { | ||
| return | ||
| } | ||
| _, err = a.File.WriteTo(sink) | ||
| return | ||
| } | ||
|
|
||
| func (a *Arrow) Release() { | ||
| a.File.Close() | ||
| os.Remove(a.File.Name()) | ||
| } | ||
|
|
||
| type ArrowRestore struct { | ||
| Mem memory.Allocator | ||
| File *os.File | ||
| } | ||
|
|
||
| var _ lsm.RecordSource = (*ArrowRestore)(nil) | ||
|
|
||
| func (a *ArrowRestore) Record(f func(arrow.Record) error) error { | ||
| rd, err := ipc.NewFileReader(a.File, ipc.WithAllocator(a.Mem)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| for { | ||
| r, err := rd.Read() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| err = f(r) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
| } |
Oops, something went wrong.