From 0e77fe1e921f54abe11d0370158ea0292c8d8970 Mon Sep 17 00:00:00 2001 From: Zooko O'Whielacronx <zooko@zooko.com> Date: Sat, 12 Jul 2008 16:54:29 -0700 Subject: [PATCH] misc/simulate_load.py: fix bug in which only K shares were uploaded instead of N, and fix the x axis in place so that successive runs can be compared --- misc/simulate_load.py | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/misc/simulate_load.py b/misc/simulate_load.py index 364e906d..a39fbe16 100644 --- a/misc/simulate_load.py +++ b/misc/simulate_load.py @@ -20,6 +20,9 @@ SERVERS = 40 K = 3 N = 10 +def make_up_a_file_size(): + return (2 ** random.randrange(8, 31)) + def go(permutedpeerlist): servers = [ Server() for x in range(SERVERS) ] servers.sort(cmp=lambda x,y: cmp(x.si, y.si)) @@ -27,7 +30,7 @@ def go(permutedpeerlist): tick = 0 fullservers = 0 while True: - nextsharesize = (2 ** random.randrange(8, 31)) / K + nextsharesize = make_up_a_file_size() / K if permutedpeerlist: random.shuffle(servers) else: @@ -36,7 +39,7 @@ def go(permutedpeerlist): servers = servers[rot:] + servers[:rot] i = 0 - sharestoput = K + sharestoput = N while sharestoput: server = servers[i] if server.used + nextsharesize < server.max: @@ -62,6 +65,9 @@ def div_ceil(n, d): DESIRED_COLUMNS = 70 +START_FILES = 137000 +STOP_FILES = 144000 + def test(permutedpeerlist, iters): # The i'th element of the filledat list is how many servers got full when the i'th file was uploaded. filledat = [] @@ -77,6 +83,10 @@ def test(permutedpeerlist, iters): startfiles += 1 filespercolumn = div_ceil(len(filledat) - startfiles, (DESIRED_COLUMNS - 3)) + # to make comparisons between runs line up: + startfiles = START_FILES + filespercolumn = div_ceil(STOP_FILES - startfiles, (DESIRED_COLUMNS - 3)) + # The i'th element of the compressedfilledat list is how many servers got full when the filespercolumn files starting at startfiles + i were uploaded. compressedfilledat = [] idx = startfiles -- 2.45.2