[tahoe-dev] Tahoe on little ARM CPU (Re: Client/helper RAM usage)

Zooko O'Whielacronx zookog at gmail.com
Sun Jul 5 09:03:32 PDT 2009


I just did it again and this time it uploaded different shares to
different servers (on the Test Grid).  Again, the encoding is faster
than the pushing, which is encouraging -- it means that this little
ARM 266 MHz NAS box is more limited by the speed of its network
connection to the storage servers than by its CPU power.  (Although it
is being limited by both, and this is a very light load -- only one
client.)

Regards,

Zooko

# URI: URI:CHK:a5l34bmeviutszz55b5dav3xhu:ze4pmszhqoxa5ypitvhoiobghozcbmf5nlala2kk4mujbn5424pq:3:10:371474
# Download link:
/uri/URI:CHK:a5l34bmeviutszz55b5dav3xhu:ze4pmszhqoxa5ypitvhoiobghozcbmf5nlala2kk4mujbn5424pq:3:10:371474
# Sharemap:

    * 0 -> placed on [fcmlx6em]
    * 1 -> placed on [xiktf6ok]
    * 2 -> placed on [jfdpabh3]
    * 3 -> placed on [qvqv7jmm]
    * 4 -> placed on [7tlov7eg]
    * 5 -> placed on [lwkv6cji]
    * 6 -> placed on [wfninubk]
    * 7 -> placed on [trjdor3o]

# Servermap:

    * [fcmlx6em] got share: #0
    * [jfdpabh3] got share: #2
    * [lwkv6cji] got share: #5
    * [qvqv7jmm] got share: #3
    * [trjdor3o] got share: #7
    * [wfninubk] got share: #6
    * [xiktf6ok] got share: #1
    * [7tlov7eg] got share: #4

# Timings:

    * File Size: 371474 bytes
    * Total: 16 seconds (22.1kBps)
          o Storage Index: 509ms (729.3kBps)
          o [Contacting Helper]:
                + [Helper Already-In-Grid Check]:
          o [Upload Ciphertext To Helper]: ()
          o Peer Selection: 994ms
          o Encode And Push: 15 seconds (34.2kBps)
                + Cumulative Encoding: 3.41s (109.0kBps)
                + Cumulative Pushing: 7.46s (49.8kBps)
                + Send Hashes And Close: 3.79s


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