func NewFileStore(dir string) *FileStore {
db, rp := tsdb.DecodeStorePath(dir)
return &FileStore{
dir: dir,
lastModified: time.Now(),
Logger: log.New(os.Stderr, "[filestore] ", log.LstdFlags),
statMap: influxdb.NewStatistics(
"tsm1_filestore:"+dir,
"tsm1_filestore",
map[string]string{"path": dir, "database": db, "retentionPolicy": rp},
),
}
}
func NewWAL(path string) *WAL {
db, rp := tsdb.DecodeStorePath(path)
return &WAL{
path: path,
// these options should be overriden by any options in the config
LogOutput: os.Stderr,
SegmentSize: DefaultSegmentSize,
logger: log.New(os.Stderr, "[tsm1wal] ", log.LstdFlags),
closing: make(chan struct{}),
statMap: influxdb.NewStatistics(
"tsm1_wal:"+path,
"tsm1_wal",
map[string]string{"path": path, "database": db, "retentionPolicy": rp},
),
}
}
// NewCache returns an instance of a cache which will use a maximum of maxSize bytes of memory.
// Only used for engine caches, never for snapshots
func NewCache(maxSize uint64, path string) *Cache {
db, rp := tsdb.DecodeStorePath(path)
c := &Cache{
maxSize: maxSize,
store: make(map[string]*entry),
statMap: influxdb.NewStatistics(
"tsm1_cache:"+path,
"tsm1_cache",
map[string]string{"path": path, "database": db, "retentionPolicy": rp},
),
lastSnapshot: time.Now(),
}
c.UpdateAge()
c.UpdateCompactTime(0)
c.updateCachedBytes(0)
c.updateMemSize(0)
c.updateSnapshots()
return c
}