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acd: Simplify the wait options into a single --acd-upload-wait-per-gb - fixes #262

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This means the feature can be disabled by setting the time to 0.

This also logs the HTTP status for analysis purposes.

Thanks Felix Bünemann for extensive testing and data collection.
This commit is contained in:
Nick Craig-Wood 2016-11-05 13:57:03 +00:00
parent d1080d5456
commit e162377ca3
2 changed files with 23 additions and 17 deletions
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25
amazonclouddrive/amazonclouddrive.go
View File

@ -49,9 +49,7 @@ const (
var (
// Flags
tempLinkThreshold = fs.SizeSuffix(9 << 30) // Download files bigger than this via the tempLink
uploadWaitLimit = pflag.DurationP("acd-upload-wait-limit", "", 60*time.Second, "Don't wait for completed uploads to appear if they took less than this time.")
uploadWaitTime = pflag.DurationP("acd-upload-wait-time", "", 2*60*time.Second, "Time to wait after a failed complete upload to see if it appears.")
uploadWaitPerGB = pflag.DurationP("acd-upload-wait-per-gb", "", 30*time.Second, "Additional time per GB to wait after a failed complete upload to see if it appears.")
uploadWaitPerGB = pflag.DurationP("acd-upload-wait-per-gb", "", 180*time.Second, "Additional time per GB to wait after a failed complete upload to see if it appears.")
// Description of how to auth for this app
acdConfig = &oauth2.Config{
Scopes: []string{"clouddrive:read_all", "clouddrive:write"},
@ -491,28 +489,35 @@ func (f *Fs) checkUpload(resp *http.Response, in io.Reader, src fs.ObjectInfo, i
// if resp == nil || resp.StatusCode != 408 && resp.StatusCode != 500 && resp.StatusCode != 504 {
// return false, inInfo, inErr
// }
// The HTTP status
httpStatus := "HTTP status UNKNOWN"
if resp != nil {
httpStatus = resp.Status
}
// check to see if we read to the end
buf := make([]byte, 1)
n, err := in.Read(buf)
if !(n == 0 && err == io.EOF) {
fs.Debug(src, "Upload error detected but didn't finish upload: %v", inErr)
fs.Debug(src, "Upload error detected but didn't finish upload: %v (%q)", inErr, httpStatus)
return false, inInfo, inErr
}
// Only wait for items which have been in transit for > uploadWaitLimit
if uploadTime < *uploadWaitLimit {
fs.Debug(src, "Upload error detected but not waiting since it only took %v to upload: %v", uploadTime, inErr)
// Don't wait for uploads - assume they will appear later
if *uploadWaitPerGB <= 0 {
fs.Debug(src, "Upload error detected but waiting disabled: %v (%q)", inErr, httpStatus)
return false, inInfo, inErr
}
// Time we should wait for the upload
uploadWaitPerByte := float64(*uploadWaitPerGB) / 1024 / 1024 / 1024
timeToWait := time.Duration(uploadWaitPerByte*float64(src.Size())) + *uploadWaitTime
timeToWait := time.Duration(uploadWaitPerByte * float64(src.Size()))
const sleepTime = 5 * time.Second // sleep between tries
retries := int((timeToWait + sleepTime - 1) / sleepTime) // number of retries, rounded up
fs.Debug(src, "Error detected after finished upload - waiting to see if object was uploaded correctly: %v", inErr)
fs.Debug(src, "Error detected after finished upload - waiting to see if object was uploaded correctly: %v (%q)", inErr, httpStatus)
remote := src.Remote()
for i := 1; i <= retries; i++ {
o, err := f.NewObject(remote)
@ -532,7 +537,7 @@ func (f *Fs) checkUpload(resp *http.Response, in io.Reader, src fs.ObjectInfo, i
}
time.Sleep(sleepTime)
}
fs.Debug(src, "Giving up waiting for object - returning original error: %v", inErr)
fs.Debug(src, "Giving up waiting for object - returning original error: %v (%q)", inErr, httpStatus)
return false, inInfo, inErr
}

15
docs/content/amazonclouddrive.md
View File

@ -133,20 +133,21 @@ To download files above this threshold, rclone requests a `tempLink`
which downloads the file through a temporary URL directly from the
underlying S3 storage.
#### --acd-upload-wait-time=TIME, --acd-upload-wait-per-gb=TIME, --acd-upload-wait-limit=TIME ####
#### --acd-upload-wait-per-gb=TIME ####
Sometimes Amazon Drive gives an error when a file has been fully
uploaded but the file appears anyway after a little while. This
happens sometimes for files over 1GB in size and nearly every time for
files bigger than 10GB. These parameters control the time rclone waits
files bigger than 10GB. This parameter controls the time rclone waits
for the file to appear.
If the upload took less than `--acd-upload-wait-limit` (default 60s),
then we go ahead an upload it again as that will be quicker.
The default value for this parameter is 3 minutes per GB, so by
default it will wait 3 minutes for every GB uploaded to see if the
file appears.
We wait `--acd-upload-wait-time` (default 2m) for the file to appear,
with an additional `--acd-upload-wait-per-gb` (default 30s) per GB of
the uploaded file.
You can disable this feature by setting it to 0. This may cause
conflict errors as rclone retries the failed upload but the file will
most likely appear correctly eventually.
These values were determined empirically by observing lots of uploads
of big files for a range of file sizes.