adjust default concurrent reader and writer

related to https://github.com/seaweedfs/seaweedfs-csi-driver/pull/221

weed/command/mount.go

@@ -68,8 +68,8 @@ func init() {
 	mountOptions.diskType = cmdMount.Flag.String("disk", "", "[hdd|ssd|<tag>] hard drive or solid state drive or any tag")
 	mountOptions.ttlSec = cmdMount.Flag.Int("ttl", 0, "file ttl in seconds")
 	mountOptions.chunkSizeLimitMB = cmdMount.Flag.Int("chunkSizeLimitMB", 2, "local write buffer size, also chunk large files")
-	mountOptions.concurrentWriters = cmdMount.Flag.Int("concurrentWriters", 32, "limit concurrent goroutine writers")
-	mountOptions.concurrentReaders = cmdMount.Flag.Int("concurrentReaders", 16, "limit concurrent chunk fetches for read operations")
+	mountOptions.concurrentWriters = cmdMount.Flag.Int("concurrentWriters", 128, "limit concurrent goroutine writers")
+	mountOptions.concurrentReaders = cmdMount.Flag.Int("concurrentReaders", 128, "limit concurrent chunk fetches for read operations")
 	mountOptions.cacheDirForRead = cmdMount.Flag.String("cacheDir", os.TempDir(), "local cache directory for file chunks and meta data")
 	mountOptions.cacheSizeMBForRead = cmdMount.Flag.Int64("cacheCapacityMB", 128, "file chunk read cache capacity in MB")
 	mountOptions.cacheDirForWrite = cmdMount.Flag.String("cacheDirWrite", "", "buffer writes mostly for large files")