Http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in x ms

What is the problem you are having with rclone?

http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in x ms

Run the command 'rclone version' and share the full output of the command.

rclone v1.58.0

  • os/version: ubuntu 18.04 (64 bit)
  • os/kernel: 4.15.0-173-generic (x86_64)
  • os/type: linux
  • os/arch: amd64
  • go/version: go1.17.8
  • go/linking: static
  • go/tags: none

Which cloud storage system are you using? (eg Google Drive)

Dropbox

The command you were trying to run (eg rclone copy /tmp remote:tmp)

rclone serve http dropbox:/ \
--addr 0.0.0.0:80 \
--bind 0.0.0.0 \
--multi-thread-streams=4 \
--vfs-cache-mode full \
--vfs-cache-max-size 300G \
--template /root/index.html \
--log-level ERROR \
--log-file /root/rclone.log

The rclone config contents with secrets removed.

[dropbox]
type = dropbox
client_id = REDACTED
client_secret = REDACTED
token = {"access_token":"REDACTED","token_type":"bearer","refresh_token":"REDACTED","expiry":"2022-03-27T00:27T00:31:25.685001522-03:00"}

A log from the command with the -vv flag

2022/03/29 20:05:37 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:37 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:37 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 20ms
2022/03/29 20:05:38 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 40ms
2022/03/29 20:05:38 ERROR : movies/lancamentos/201453.mp4: vfs cache: failed to open item: vfs cache item: create cache file failed: vfs cache item: _save failed: vfs cache item: failed to write metadata: open /root/.cache/rclone/vfsMeta/dropbox/movies/lancamentos/201453.mp4: too many open files
2022/03/29 20:05:38 ERROR : movies/lancamentos/201453.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:38 ERROR : movies/lancamentos/199358.mp4: vfs cache: failed to open item: vfs cache item: create cache file failed: vfs cache item: _save failed: vfs cache item: failed to write metadata: open /root/.cache/rclone/vfsMeta/dropbox/movies/lancamentos/199358.mp4: too many open files
2022/03/29 20:05:38 ERROR : movies/lancamentos/199358.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:38 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:38 ERROR : series/De Férias com o Ex Brasil/112605.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/series/De Férias com o Ex Brasil/112605.mp4: too many open files
2022/03/29 20:05:38 ERROR : series/De Férias com o Ex Brasil/112605.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:39 ERROR : movies/terror/142852.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/movies/terror/142852.mp4: too many open files
2022/03/29 20:05:39 ERROR : movies/terror/142852.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 20ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 20ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 40ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 80ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 160ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 20ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 40ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 80ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:39 ERROR : movies/animacao-infantil/43522.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/movies/animacao-infantil/43522.mp4: too many open files
2022/03/29 20:05:39 ERROR : movies/animacao-infantil/43522.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:39 ERROR : series/Novela - O Beijo do Vampiro/96427.mp4: vfs cache: failed to open item: vfs cache item: create cache file failed: vfs cache item: _save failed: vfs cache item: failed to write metadata: open /root/.cache/rclone/vfsMeta/dropbox/series/Novela - O Beijo do Vampiro/96427.mp4: too many open files
2022/03/29 20:05:39 ERROR : series/Novela - O Beijo do Vampiro/96427.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:39 ERROR : series/Dragon Ball GT/93061.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/series/Dragon Ball GT/93061.mp4: too many open files
2022/03/29 20:05:39 ERROR : series/Dragon Ball GT/93061.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 20ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:39 ERROR : series/Novela - O Beijo do Vampiro/96427.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/series/Novela - O Beijo do Vampiro/96427.mp4: too many open files
2022/03/29 20:05:39 ERROR : movies/animacao-infantil/43522.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/movies/animacao-infantil/43522.mp4: too many open files
2022/03/29 20:05:39 ERROR : series/Novela - O Beijo do Vampiro/96427.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:39 ERROR : movies/animacao-infantil/43522.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:39 ERROR : movies/terror/142852.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/movies/terror/142852.mp4: too many open files
2022/03/29 20:05:39 ERROR : movies/terror/142852.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:39 ERROR : series/Diários de um Vampiro/55563.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/series/Diários de um Vampiro/55563.mp4: too many open files
2022/03/29 20:05:39 ERROR : series/Diários de um Vampiro/55563.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:39 ERROR : series/Diários de um Vampiro/55563.mp4: vfs cache: failed to open item: vfs cache item: create cache file failed: vfs cache item: _save failed: vfs cache item: failed to write metadata: open /root/.cache/rclone/vfsMeta/dropbox/series/Diários de um Vampiro/55563.mp4: too many open files
2022/03/29 20:05:39 ERROR : series/Diários de um Vampiro/55563.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 20ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 40ms
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 80ms
2022/03/29 20:05:39 ERROR : series/Novela - O Beijo do Vampiro/96427.mp4: vfs cache: failed to open item: vfs cache item: create cache file failed: vfs cache item: _save failed: vfs cache item: failed to write metadata: open /root/.cache/rclone/vfsMeta/dropbox/series/Novela - O Beijo do Vampiro/96427.mp4: too many open files
2022/03/29 20:05:39 ERROR : series/Novela - O Beijo do Vampiro/96427.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:39 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:39 ERROR : movies/animacao-infantil/43522.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/movies/animacao-infantil/43522.mp4: too many open files
2022/03/29 20:05:39 ERROR : movies/animacao-infantil/43522.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:40 ERROR : movies/comedia/43805.mp4: vfs cache: failed to open item: vfs cache item: create cache file failed: vfs cache item: _save failed: vfs cache item: failed to write metadata: open /root/.cache/rclone/vfsMeta/dropbox/movies/comedia/43805.mp4: too many open files
2022/03/29 20:05:40 ERROR : movies/comedia/43805.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 20ms
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 40ms
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:40 ERROR : movies/terror/142852.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/movies/terror/142852.mp4: too many open files
2022/03/29 20:05:40 ERROR : movies/terror/142852.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 20ms
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 40ms
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 80ms
2022/03/29 20:05:40 ERROR : series/Diários de um Vampiro/55563.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/series/Diários de um Vampiro/55563.mp4: too many open files
2022/03/29 20:05:40 ERROR : series/Diários de um Vampiro/55563.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:40 ERROR : movies/animacao-infantil/43522.mp4: vfs cache: failed to open item: vfs cache item: create cache file failed: vfs cache item: _save failed: vfs cache item: failed to write metadata: open /root/.cache/rclone/vfsMeta/dropbox/movies/animacao-infantil/43522.mp4: too many open files
2022/03/29 20:05:40 ERROR : movies/animacao-infantil/43522.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:40 ERROR : series/Novela - O Beijo do Vampiro/96427.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/series/Novela - O Beijo do Vampiro/96427.mp4: too many open files
2022/03/29 20:05:40 ERROR : series/Novela - O Beijo do Vampiro/96427.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:40 ERROR : movies/terror/142852.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/movies/terror/142852.mp4: too many open files
2022/03/29 20:05:40 ERROR : movies/terror/142852.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:40 ERROR : series/Dragon Ball GT/93051.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/series/Dragon Ball GT/93051.mp4: too many open files
2022/03/29 20:05:40 ERROR : series/Dragon Ball GT/93051.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 20ms
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 20ms
2022/03/29 20:05:40 ERROR : series/Novela - O Beijo do Vampiro/96427.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/series/Novela - O Beijo do Vampiro/96427.mp4: too many open files
2022/03/29 20:05:40 ERROR : series/Novela - O Beijo do Vampiro/96427.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:40 ERROR : series/Shokugeki no Souma/132782.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/series/Shokugeki no Souma/132782.mp4: too many open files
2022/03/29 20:05:40 ERROR : series/Shokugeki no Souma/132782.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:40 ERROR : series/Dragon Ball GT/93061.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/series/Dragon Ball GT/93061.mp4: too many open files
2022/03/29 20:05:40 ERROR : series/Dragon Ball GT/93061.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:40 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:40 ERROR : series/Novela - O Beijo do Vampiro/96427.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/series/Novela - O Beijo do Vampiro/96427.mp4: too many open files
2022/03/29 20:05:40 ERROR : series/Novela - O Beijo do Vampiro/96427.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:40 ERROR : series/Diários de um Vampiro/55563.mp4: vfs cache: failed to open item: vfs cache item: create cache file failed: vfs cache item: _save failed: vfs cache item: failed to write metadata: open /root/.cache/rclone/vfsMeta/dropbox/series/Diários de um Vampiro/55563.mp4: too many open files
2022/03/29 20:05:40 ERROR : series/Diários de um Vampiro/55563.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:40 ERROR : movies/terror/142852.mp4: vfs cache: failed to open item: vfs cache item: create cache file failed: vfs cache item: _save failed: vfs cache item: failed to write metadata: open /root/.cache/rclone/vfsMeta/dropbox/movies/terror/142852.mp4: too many open files
2022/03/29 20:05:40 ERROR : movies/terror/142852.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:41 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:41 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:41 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 20ms
2022/03/29 20:05:41 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 40ms
2022/03/29 20:05:41 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 80ms
2022/03/29 20:05:41 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:41 ERROR : series/De Férias com o Ex Brasil/112605.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/series/De Férias com o Ex Brasil/112605.mp4: too many open files
2022/03/29 20:05:41 ERROR : series/De Férias com o Ex Brasil/112605.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:41 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:41 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:41 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 20ms
2022/03/29 20:05:42 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:42 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:42 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 20ms
2022/03/29 20:05:42 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:42 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:42 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 20ms
2022/03/29 20:05:42 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 40ms
2022/03/29 20:05:42 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:42 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:42 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 20ms
2022/03/29 20:05:42 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:42 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:42 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:42 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:42 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 20ms
2022/03/29 20:05:42 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 40ms
2022/03/29 20:05:42 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 80ms
2022/03/29 20:05:42 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 160ms
2022/03/29 20:05:42 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:42 ERROR : series/De Férias com o Ex Brasil/112605.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/series/De Férias com o Ex Brasil/112605.mp4: too many open files
2022/03/29 20:05:42 ERROR : series/De Férias com o Ex Brasil/112605.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:42 ERROR : movies/drama/99607.mp4: vfs cache: failed to open item: vfs cache item: create cache file failed: vfs cache item: _save failed: vfs cache item: failed to write metadata: open /root/.cache/rclone/vfsMeta/dropbox/movies/drama/99607.mp4: too many open files
2022/03/29 20:05:42 ERROR : movies/drama/99607.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:46 ERROR : series/Novela - O Beijo do Vampiro/96427.mp4: vfs cache: failed to open item: vfs cache item: create cache file failed: vfs cache item: _save failed: vfs cache item: failed to write metadata: open /root/.cache/rclone/vfsMeta/dropbox/series/Novela - O Beijo do Vampiro/96427.mp4: too many open files
2022/03/29 20:05:46 ERROR : series/Novela - O Beijo do Vampiro/96427.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:46 ERROR : movies/comedia/95846.mp4: vfs cache: failed to open item: vfs cache item: create cache file failed: vfs cache item: _save failed: vfs cache item: failed to write metadata: open /root/.cache/rclone/vfsMeta/dropbox/movies/comedia/95846.mp4: too many open files
2022/03/29 20:05:46 ERROR : movies/comedia/95846.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:55 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:55 ERROR : series/Diários de um Vampiro/55563.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/series/Diários de um Vampiro/55563.mp4: too many open files
2022/03/29 20:05:55 ERROR : series/Diários de um Vampiro/55563.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:55 ERROR : movies/animacao-infantil/43522.mp4: vfs cache: failed to open item: vfs cache item: create cache file failed: vfs cache item: _save failed: vfs cache item: failed to write metadata: open /root/.cache/rclone/vfsMeta/dropbox/movies/animacao-infantil/43522.mp4: too many open files
2022/03/29 20:05:55 ERROR : movies/animacao-infantil/43522.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:55 ERROR : movies/animacao-infantil/43522.mp4: vfs cache: failed to open item: vfs cache item: create cache file failed: vfs cache item: _save failed: vfs cache item: failed to write metadata: open /root/.cache/rclone/vfsMeta/dropbox/movies/animacao-infantil/43522.mp4: too many open files
2022/03/29 20:05:55 ERROR : movies/animacao-infantil/43522.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:56 ERROR : movies/lancamentos/201453.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/movies/lancamentos/201453.mp4: too many open files
2022/03/29 20:05:56 ERROR : movies/lancamentos/201453.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:56 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:56 ERROR : series/Novela - O Beijo do Vampiro/96427.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/series/Novela - O Beijo do Vampiro/96427.mp4: too many open files
2022/03/29 20:05:56 ERROR : series/Novela - O Beijo do Vampiro/96427.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:56 ERROR : series/Game of Thrones/51408.mp4: vfs cache: failed to open item: vfs cache item: create cache file failed: vfs cache item: _save failed: vfs cache item: failed to write metadata: open /root/.cache/rclone/vfsMeta/dropbox/series/Game of Thrones/51408.mp4: too many open files
2022/03/29 20:05:56 ERROR : series/Game of Thrones/51408.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:56 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:56 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:56 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 20ms
2022/03/29 20:05:56 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 40ms
2022/03/29 20:05:56 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 80ms
2022/03/29 20:05:56 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:56 ERROR : movies/terror/142852.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/movies/terror/142852.mp4: too many open files
2022/03/29 20:05:56 ERROR : movies/terror/142852.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:56 ERROR : movies/lancamentos/201453.mp4: vfs cache: failed to open item: vfs cache item: create cache file failed: vfs cache item: _save failed: vfs cache item: failed to write metadata: open /root/.cache/rclone/vfsMeta/dropbox/movies/lancamentos/201453.mp4: too many open files
2022/03/29 20:05:56 ERROR : movies/lancamentos/201453.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:56 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:56 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:56 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 20ms
2022/03/29 20:05:58 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:58 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:58 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 20ms
2022/03/29 20:05:58 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 40ms
2022/03/29 20:05:58 ERROR : series/Diários de um Vampiro/55563.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/series/Diários de um Vampiro/55563.mp4: too many open files
2022/03/29 20:05:58 ERROR : series/Diários de um Vampiro/55563.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:58 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 80ms
2022/03/29 20:05:58 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 160ms
2022/03/29 20:05:58 ERROR : movies/animacao-infantil/43522.mp4: vfs cache: failed to open item: vfs cache item: check object failed: vfs cache item: open truncate failed: vfs cache: truncate: failed to open cache file: open /root/.cache/rclone/vfs/dropbox/movies/animacao-infantil/43522.mp4: too many open files
2022/03/29 20:05:58 ERROR : movies/animacao-infantil/43522.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:58 ERROR : movies/lancamentos/199358.mp4: vfs cache: failed to open item: vfs cache item: create cache file failed: vfs cache item: _save failed: vfs cache item: failed to write metadata: open /root/.cache/rclone/vfsMeta/dropbox/movies/lancamentos/199358.mp4: too many open files
2022/03/29 20:05:58 ERROR : movies/lancamentos/199358.mp4: Non-out-of-space error encountered during open
2022/03/29 20:05:58 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms
2022/03/29 20:05:58 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 10ms
2022/03/29 20:05:58 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 20ms
2022/03/29 20:05:58 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 40ms
2022/03/29 20:05:58 http: Accept error: accept tcp [::]:80: accept4: too many open files; retrying in 5ms

That means you have too many open files :slight_smile:

Check out a few links:

How to Fix the ‘Too Many Open Files’ Error in Linux? | Windows OS Hub (woshub.com)

3 Ways to check Too Many Open Files Error - Howtouselinux

Good advice above - check that out!

This could also be caused by a bug in rclone - how many users do you have of the rclone serve http simultaneously? It is likely you'll need 4 file handles per file being transferred.

Around 300 users simultaneously, the solution above worked.
but what do mean 4 file handles? is it a rclone flag? or something else? just to know if it happens again.

Sounds like there isn't an rclone bug then - you just need to raise the number of file descriptors.

If you've raised the number of file descriptors then it won't happen again hopefully.

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