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Old 10-17-2006, 02:51 AM   #1
truthe
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Registered: Sep 2004
Distribution: arch linux .7
Posts: 30

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rtorrent "max_open_files" explanation


First, here is my .rtorrent.rc:

Code:
# Maximum and minimum number of peers to connect to per torrent.
min_peers = 40
max_peers = 200

# Maximum number of simultanious uploads per torrent.
max_uploads = 5

# Global upload and download rate in KiB. "0" for unlimited.
download_rate = 0
upload_rate = 50

# Default directory to save the downloaded torrents.
directory = /home/reid/torrents

# Default session directory. Make sure you don't run multiple instance
# of rtorrent using the same session directory. Perhaps using a
# relative path?
session = /home/reid/session

# Watch a directory for new torrents, and stop those that have been
# deleted.
#schedule = watch_directory,5,5,load_start=./watch/*.torrent
#schedule = untied_directory,5,5,stop_untied=

# Close torrents when diskspace is low.
#schedule = low_diskspace,5,60,close_low_diskspace=100M

# Stop torrents when reaching upload ratio in percent,
# when also reaching total upload in bytes, or when
# reaching final upload ratio in percent.
# example: stop at ratio 2.0 with at least 200 MB uploaded, or else ratio 20.0
#schedule = ratio,60,60,stop_on_ratio=200,200M,2000

# The ip address reported to the tracker.
#ip = 127.0.0.1
#ip = rakshasa.no

# The ip address the listening socket and outgoing connections is
# bound to.
#bind = 127.0.0.1
#bind = rakshasa.no

# Port range to use for listening.
port_range = 49100-49450

# Start opening ports at a random position within the port range.
port_random = yes                                                                

# Check hash for finished torrents. Might be usefull until the bug is
# fixed that causes lack of diskspace not to be properly reported.
#check_hash = no

# Set whetever the client should try to connect to UDP trackers.
#use_udp_trackers = yes

# Alternative calls to bind and ip that should handle dynamic ip's.
#schedule = ip_tick,0,1800,ip=rakshasa
#schedule = bind_tick,0,1800,bind=rakshasa

#
# Do not modify the following parameters unless you know what you're doing.
#

# Hash read-ahead controls how many MB to request the kernel to read
# ahead. If the value is too low the disk may not be fully utilized,
# while if too high the kernel might not be able to keep the read
# pages in memory thus end up trashing.
#hash_read_ahead = 10

# Interval between attempts to check the hash, in milliseconds.
#hash_interval = 100

# Number of attempts to check the hash while using the mincore status,
# before forcing. Overworked systems might need lower values to get a
# decent hash checking rate.
#hash_max_tries = 10

# Max number of files to keep open simultaniously.
max_open_files = 500

# Number of sockets to simultaneously keep open.
#max_open_sockets = <no default>


# Example of scheduling commands: Switch between two ip's every 5
# seconds.
#schedule = "ip_tick1,5,10,ip=torretta"
#schedule = "ip_tick2,10,10,ip=lampedusa"

# Remove a scheduled event.
#schedule_remove = "ip_tick1"
Alright, well I've looked through the rTorrent site as thoroughly as I can and couldn't find much information on the more advanced settings of the program.

I need to have a lot of open seeding torrents in rTorrent, and I'm not sure how the "max_open_files" setting affects this. Could someone explain it to me in detail? I know I must be seeding at least 70 torrents totalling more than 2,000 files.

Messing around a bit with the "max_open_files" setting, I put it at 2000, this turned out to be too many, apparently, though I'm not sure. Upon restarting rTorrent I received numerous errors about "Could not open file "x" too many open files," which I don't entirely understand because wouldn't having too many open files be the result of setting "max_open_files" to too low of a number?

Anyways, I think the point is clear: I don't understand this variable at all, and am hoping that someone can explain it to me, but moreover, let me know what the optimal settings are for someone seeding many torrents and a lot of individual files within each torrent. Does the socket setting affect this at all?

Thanks.
 
  


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