From: Brian Warner Date: Mon, 10 Sep 2007 22:29:33 +0000 (-0700) Subject: provisioning: add cost information X-Git-Url: https://git.rkrishnan.org/pf/content/en/seg/priv.html?a=commitdiff_plain;h=0497d62939fdccd1a3f791f0895c954ad78a2271;p=tahoe-lafs%2Ftahoe-lafs.git provisioning: add cost information --- diff --git a/src/allmydata/provisioning.py b/src/allmydata/provisioning.py index bcc7a804..d0ae5d1f 100644 --- a/src/allmydata/provisioning.py +++ b/src/allmydata/provisioning.py @@ -140,6 +140,7 @@ class ProvisioningTool(rend.Page): space_per_user_sizes = [(1e6, "1MB"), (10e6, "10MB"), (100e6, "100MB"), + (200e6, "200MB"), (1e9, "1GB"), (2e9, "2GB"), (5e9, "5GB"), @@ -147,9 +148,10 @@ class ProvisioningTool(rend.Page): (100e9, "100GB"), (1e12, "1TB"), ] + # current allmydata average utilization 127MB per user space_per_user, i_space_per_user = get_and_set("space_per_user", space_per_user_sizes, - 1e9) + 200e6) add_input("Users", "How much data is in each user's vdrive? (avg)", i_space_per_user) @@ -170,6 +172,7 @@ class ProvisioningTool(rend.Page): ("3-of-10-8", "3.3x (3-of-10, repair below 8)"), ("5-of-10-7", "2x (5-of-10, repair below 7)"), ("8-of-10-9", "1.25x (8-of-10, repair below 9)"), + ("27-of-30-28", "1.1x (27-of-30, repair below 28"), ("25-of-100-50", "4x (25-of-100, repair below 50)"), ] encoding_parameters, i_encoding_parameters = \ @@ -190,6 +193,7 @@ class ProvisioningTool(rend.Page): # Server info num_server_choices = [ (5, "5 servers"), (10, "10 servers"), + (15, "15 servers"), (30, "30 servers"), (50, "50 servers"), (100, "100 servers"), @@ -566,6 +570,52 @@ class ProvisioningTool(rend.Page): add_output("Servers", T.div["Drives per server: ", drives_per_server]) + # costs + if drive_size == 750 * 1e9: + add_output("Servers", T.div["750GB drive: $250 each"]) + drive_cost = 250 + else: + add_output("Servers", + T.div[T.b["unknown cost per drive, assuming $100"]]) + drive_cost = 100 + + if drives_per_server <= 4: + add_output("Servers", T.div["1U box with <= 4 drives: $1500"]) + server_cost = 1500 # typical 1U box + elif drives_per_server <= 12: + add_output("Servers", T.div["2U box with <= 12 drives: $2500"]) + server_cost = 2500 # 2U box + else: + add_output("Servers", + T.div[T.b["Note: too many drives per server, " + "assuming $300"]]) + server_cost = 3000 + + server_capital_cost = (server_cost + drives_per_server * drive_cost) + total_server_cost = float(num_servers * server_capital_cost) + add_output("Servers", T.div["Capital cost per server: $", + server_capital_cost]) + add_output("Grid", T.div["Capital cost for all servers: $", + number(total_server_cost)]) + # $70/Mbps/mo + # $44/server/mo power+space + server_bandwidth = max(server_inbound_byte_rate, + server_outbound_byte_rate) + server_bandwidth_mbps = mathutil.div_ceil(int(server_bandwidth*8), + int(1e6)) + server_monthly_cost = 70*server_bandwidth_mbps + 44 + total_server_monthly_cost = float(num_servers * server_monthly_cost) + add_output("Servers", T.div["Monthly cost per server: $", + server_monthly_cost]) + add_output("Grid", T.div["Monthly cost for all servers: $", + number(total_server_monthly_cost)]) + add_output("Users", T.div["Capital cost per user: $", + number(total_server_cost / num_users)]) + add_output("Users", + T.div["Monthly cost per user: $", + number(total_server_monthly_cost / num_users)]) + + # reliability any_drive_failure_rate = total_drives * drive_failure_rate any_drive_MTBF = 1 // any_drive_failure_rate # in seconds any_drive_MTBF_days = any_drive_MTBF / 86400