diff options
Diffstat (limited to 'weed/storage/store.go')
| -rw-r--r-- | weed/storage/store.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/weed/storage/store.go b/weed/storage/store.go index 0727cba95..48736c1a9 100644 --- a/weed/storage/store.go +++ b/weed/storage/store.go @@ -35,6 +35,15 @@ type ReadOption struct { IsMetaOnly bool // read status VolumeRevision uint16 IsOutOfRange bool // whether read over MaxPossibleVolumeSize + + // If HasSlowRead is set to true: + // * read requests and write requests compete for the lock. + // * large file read P99 latency on busy sites will go up, due to the need to get locks multiple times. + // * write requests will see lower latency. + // If HasSlowRead is set to false: + // * read requests should complete asap, not blocking other requests. + // * write requests may see high latency when downloading large files. + HasSlowRead bool } /* |