Cyberduck Mountain Duck CLI

#8728 closed defect (worksforme)

High CPU usage during upload

Reported by: dr.piou Owned by: Me
Priority: normal Milestone: 4.7
Component: sftp Version: 4.6.5
Severity: major Keywords: cpu, high, usage
Cc: Architecture: Intel
Platform: Mac OS X 10.10

Description (last modified by dr.piou)

Hello,

I'm experiencing a hight CPU usage (over 100% - reaching sometimes 125%) every time during a transfert is running. I'm running Cyberduck v4.6.5 on a Macbook Pro 13" 2012 with 16 Gb RAM under OS X Yosemite 10.10.3.

Attachments (1)

Capture d’écran 2015-04-05 à 22.03.37.png (725.4 KB) - added by dr.piou on Apr 5, 2015 at 8:18:39 PM.
Screenshot

Download all attachments as: .zip

Change History (8)

comment:1 Changed on Apr 5, 2015 at 8:20:16 PM by dr.piou

  • Description modified (diff)

comment:2 Changed on Apr 5, 2015 at 8:20:41 PM by dr.piou

  • Description modified (diff)

comment:3 Changed on Apr 7, 2015 at 2:02:43 PM by dkocher

  • Priority changed from high to normal
  • Severity changed from critical to major
  • Summary changed from High CPU usage (over 100%) during transfert to High CPU usage during transfer

comment:4 Changed on Apr 7, 2015 at 2:04:06 PM by dkocher

  • Component changed from core to sftp

Is this a download or an upload?

comment:5 Changed on Apr 7, 2015 at 2:14:34 PM by dr.piou

Hello, This is an upload.

comment:6 Changed on Apr 16, 2015 at 1:03:14 PM by dkocher

  • Summary changed from High CPU usage during transfer to High CPU usage during upload

comment:7 Changed on Apr 17, 2015 at 8:02:39 AM by dkocher

  • Milestone set to 4.7
  • Resolution set to worksforme
  • Status changed from new to closed

The screenshot shows that total current CPU consumption by user processes (including Cyberduck) is around 26%. From the ps documentation.

%cpu The CPU utilization of the process; this is a decaying average over up to a minute of previous (real) time. Because the time base over which this is computed varies (some processes may be very young), it is possible for the sum of all %cpu fields to exceed 100%.

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