def stop(self):
self.hlist.killall("memcached mcperf")
self.hlist.stop_trafgen()
self.hlist.stop_mpstat()
self.log(T.colored("... Waiting for qdiscs to drain", "blue"))
progress(5)
self.hlist.remove_qdiscs()
self.hlist.rmmod_qfq()
self.hlist.rmmod_eyeq()
if self.opts("sniffer"):
self.hsniffer.copy_local(e('', tmpdir=config['SNIFFER_TMPDIR']),
self.opts("exptid") + "-snf",
tmpdir=config['SNIFFER_TMPDIR'])
self.hlist.copy_by_host(e('logs'), self.opts("outdir") + "/logs",
self.opts("exptid"))
self.hlist.clear_intel_hw_rate_limits(config['NIC_HW_QUEUES'])
self.hlist.clear_mellanox_hw_rate_limits()
def start_hadoop(self):
self.master = Host("10.0.1.20")
self.master.cmd("cd /usr/local/hadoop/conf;" +
"cp slaves.tenant1 slaves; cp masters.tenant1 masters;")
self.start_dnsd()
self.master.cmd("start-all.sh")
progress(120)
dir = self.opts("dir")
cmd = "mkdir -p %s; cd /usr/local/hadoop; " % dir
cmd += "hadoop jar hadoop-examples-0.20.205.0.jar "
self.sid = self.get_sort_id()
out = os.path.join(dir, "hadoop-progress.txt")
cmd += "sort random-data sorted-data-%s " % self.sid
cmd += " > %s 2>&1; " % out
self.hadoop_job = self.master.cmd_async(cmd)
def stop(self):
if self.opts("create"):
return
if self.opts("destroy"):
self.hlist.remove_tenants()
return
try:
while 1:
done = self.check_hadoop_done()
if done:
break
else:
print "Waiting for hadoop job...", datetime.datetime.now()
progress(240)
continue
except Exception, e:
print "Hadoop job not found", e
def stop(self):
self.hlist.killall("memcached mcperf")
self.hlist.stop_trafgen()
self.hlist.stop_mpstat()
self.log(T.colored("... Waiting for qdiscs to drain", "blue"))
progress(5)
self.hlist.remove_qdiscs()
self.hlist.rmmod_qfq()
self.hlist.rmmod_eyeq()
if self.opts("sniffer"):
self.hsniffer.copy_local(e('', tmpdir=config['SNIFFER_TMPDIR']),
self.opts("exptid") + "-snf",
tmpdir=config['SNIFFER_TMPDIR'])
self.hlist.copy_by_host(e('logs'),
self.opts("outdir") + "/logs",
self.opts("exptid"))
self.hlist.clear_intel_hw_rate_limits(config['NIC_HW_QUEUES'])
self.hlist.clear_mellanox_hw_rate_limits()
def start_loadgen(self, out="loadgen.txt", tid=2, traffic=None):
dir = self.opts("dir")
out = os.path.join(dir, out)
LOADGEN = "/root/vimal/exports/loadgen"
# Start in all hosts
if traffic is None:
return
port = 12345 + tid
for h in self.hlist.lst:
ip = h.get_tenant_ip(tid)
cmd = "mkdir -p %s; " % dir
cmd += "%s -i %s -vv " % (LOADGEN, ip)
cmd += " -l %s -p 1000000 -f %s > %s" % (port, traffic, out)
h.cmd_async(cmd)
print "Waiting for loadgen to start..."
progress(20)
for h in self.hlist.lst:
ip = h.get_tenant_ip(tid)
p = Popen("nc -nzv %s %s" % (ip, port), shell=True)
return
def start_pa_process(self, out="paggr.txt", tid=1, cpu=None, P=1):
dir = self.opts("dir")
out = os.path.join(dir, out)
CLIENT = "/root/vimal/exports/incast_app/l25_tcp_client"
SERVER = "/root/vimal/exports/incast_app/l25_tcp_server"
if cpu is None:
cpu = self.nextcpu
self.nextcpu = (self.nextcpu + 2) % 8
for h in self.hlist.lst:
ip = h.get_tenant_ip(tid)
cmd = "mkdir -p %s; " % dir
if args.bind:
cmd += "taskset -c %s,%s " % (cpu, cpu+1)
cmd += " %s %s" % (SERVER, ip)
h.cmd_async(cmd)
print "Waiting for servers to start..."
progress(1)
print "starting client (tid=%s) on %s..." % (tid, host_ips[0])
h0 = Host(host_ips[0])
# Generate input file for client
size = self.opts("size")
inpfile = "~/vimal/exports/incast_app/input/get%s_P%s_tenant%s.dat" % (size, P, tid)
cmd = "python tests/genconfig.py --traffic paggr -n 15 "
cmd += "-P %s --size %s --repeat %s --tenant %s " % (P, size, self.opts("repeat"), tid)
cmd += "> %s" % inpfile
Popen(cmd, shell=True).wait()
dir = self.opts("dir")
outfile = os.path.join(dir, out)
cmd = 'mkdir -p %s; ' % dir
if args.bind:
cmd += "taskset -c %s,%s " % (cpu, cpu+1)
cmd += " %s %s > %s" % (CLIENT, inpfile, outfile)
h0.cmd_async(cmd)
return
def stop(self):
if self.opts("create"):
return
if self.opts("destroy"):
self.hlist.remove_tenants()
return
start = datetime.datetime.now()
try:
while 1:
done = True
for i in xrange(self.opts("nhadoop")):
done = done and self.check_hadoop_done(i)
if done:
break
else:
print "Waiting for hadoop job(s) start: ", start
print " now: ", datetime.datetime.now()
try:
progress(60)
except:
break
continue
except Exception, e:
print "Hadoop job not found", e
def start_loadgen(self, out="loadgen.txt", tid=2, traffic=None, cpu=None):
dir = self.opts("dir")
out = os.path.join(dir, out)
LOADGEN = "/root/vimal/exports/loadgen"
# Start in all hosts
if traffic is None:
return
if cpu is None:
cpu = self.nextcpu
self.nextcpu = (self.nextcpu + 2) % 8
port = 12345 + tid
for h in self.hlist.lst:
ip = h.get_tenant_ip(tid)
cmd = "mkdir -p %s; " % dir
if args.pin:
cmd += "taskset -c %s,%s " % (cpu, cpu+1)
cmd += " %s -i %s -vv " % (LOADGEN, ip)
cmd += " -l %s -p 1000000 -f %s > %s" % (port, traffic, out)
h.cmd_async(cmd)
print "Waiting for loadgen to start..."
progress(5)
for h in self.hlist.lst:
ip = h.get_tenant_ip(tid)
while 1:
p = Popen("nc -nzv %s %s" % (ip, port),
shell=True, stdout=PIPE, stderr=PIPE)
stdout, stderr = p.communicate()
if 'open' in stderr:
print T.colored("started %s:%s" % (ip, port), "green")
break
else:
print T.colored(" retrying %s:%s" % (ip, port), "yellow")
sleep(0.5)
return
def start(self):
sniffer = self.opts("sniffer")
hservers = HostList()
hclients = HostList()
hlist = HostList()
if sniffer:
hsniffer = Host(sniffer)
self.log(T.colored("Servers:---", "green"))
for ip in self.opts("servers"):
h = Host(ip)
hservers.append(h)
hlist.append(h)
self.log(T.colored(ip, "green"))
self.log(T.colored("Clients:---", "yellow"))
for ip in self.opts("clients"):
h = Host(ip)
hclients.append(h)
hlist.append(h)
self.log(T.colored(ip, "yellow"))
# Reset/clear state on servers and clients
hlist.rmrf(e(""))
hlist.mkdir(e("logs"))
# Log the servers and clients used for the experiment
local_cmd("mkdir -p %s/logs" % self.opts("outdir"))
hostsfile = "%s/logs/hostsfile.txt" % self.opts("outdir")
hostsfd = open(hostsfile, 'w')
hostsfd.write("Servers:\n")
for ip in self.opts("servers"):
hostsfd.write(" " + ip + "\n")
hostsfd.write("Clients:\n")
for ip in self.opts("clients"):
hostsfd.write(" " + ip + "\n")
hostsfd.close()
if sniffer:
hsniffer.rmrf(e("", tmpdir=config['SNIFFER_TMPDIR']))
hsniffer.mkdir(e("logs", tmpdir=config['SNIFFER_TMPDIR']))
hsniffer.cmd("killall -9 %s" % config['SNIFFER'])
hlist.rmmod()
hlist.stop_trafgen()
hlist.cmd("sudo service memcached stop")
hlist.killall("udp memcached mcperf")
hlist.remove_qdiscs()
hlist.clear_intel_hw_rate_limits(config['NIC_HW_QUEUES'])
hlist.clear_mellanox_hw_rate_limits()
sleep(1)
hlist.configure_tcp_limit_output_bytes()
# Find available CPU cores for all tenants
start_port = self.opts("startport")
avail_cpus = [ x for x in xrange(0, config['NUM_CPUS'])
if x not in config['EXCLUDE_CPUS'] ]
# Setup interrupt affinity
# Configure interrupts to only be sent to respective CPU cores
# to which the tenants are pinned
if self.opts("mctenants") + 2*self.opts("trafgentenants") > len(avail_cpus):
tenant_cpus = avail_cpus
self.log(T.colored("WARNING: Multiple tenants sharing CPU cores", "red"))
else:
tenant_cpus = avail_cpus[:self.opts("mctenants") + 2 * self.opts("trafgentenants")]
hlist.configure_iface_interrupt_affinity(tenant_cpus)
# NOTE: Tenant to CPU cores mapping:
# -- First 'mctenants' CPU cores are used to pin memcached or mcperf
# instances on servers and clients respectively.
# -- Next 'trafgentenants' CPU cores are used to bind trafgen sink
# processes for each tenant on each host
# Last 'trafgentenants' CPU cores are used to bind trafgen generator
# processes for each tenant on each host
# So, each trafgen tenant requires 2 CPU cores (1 for sink and 1 for
# generator)
# Start memcached on servers - one instance for each tenant, pinned to a
# different CPU core
assigned_cpus = 0
for tenant in xrange(0, self.opts("mctenants")):
self.start_memcached(hservers, mem = 2048,
port = start_port + tenant,
threads = 1,
cpus = [avail_cpus[assigned_cpus %
len(avail_cpus)]])
assigned_cpus += 1
# Start trafgen servers/sinks - one instance for each tenant, pinned to
# a different CPU core on each host
for tenant in xrange(0, self.opts("trafgentenants")):
tenant_id = "%d_%d" % (tenant, self.opts("trafgentenants"))
self.start_trafgen_server(hlist, proto=self.opts("trafgenproto"),
tenant_id = tenant_id,
port = start_port + 1000 + tenant,
cpus = [avail_cpus[assigned_cpus %
len(avail_cpus)]],
dir=e('logs'))
assigned_cpus += 1
# If mcworkload=get, first run mcperf with set requests to full up the
# cache. For each (tenant, server) pair, create a separate mcperf
# instance on each client.
if self.opts("mcworkload") == "get":
tmp_assigned_cpus = 0
hlist.mkdir(e("logs_unused"))
for tenant in xrange(0, self.opts("mctenants")):
for (srv_id, hserver) in enumerate(hservers.lst):
server_ip = socket.gethostbyname(hserver.hostname())
for (cli_id, hclient) in enumerate(hclients.lst):
# Index of tenant and client connecting to this
# particular server for this tenant.
tenant_id = "%d_%d" % (tenant, self.opts("mctenants"))
client_id = "%d_%d" % (cli_id, len(hclients.lst))
# We use the traffic class number as the seed for the
# random number generator so that all instances
# generate unique random number sequences.
seed = (start_port +
(tenant * len(hservers.lst) * len(hclients.lst)) +
(srv_id * len(hclients.lst)) +
(cli_id))
self.start_mcperf(hclient, server_ip,
tenant_id, client_id,
seed = seed,
port = start_port + tenant,
time = MC_PREPOPULATE_TIME,
nconn = self.opts("mcnconn"),
mcrate = 5000,
mcexp = self.opts("mcexp"),
workload = "set",
mcsize = self.opts("mcsize"),
cpus = [avail_cpus[tmp_assigned_cpus %
len(avail_cpus)]],
dir=e('logs_unused'))
tmp_assigned_cpus += 1
self.log(T.colored("Populating caches first", "blue"))
progress(MC_PREPOPULATE_TIME + 5)
# Configure rate limits
# mcperf tenants:
# On server, configure separate rate limit to each mctenant's client
# On client, configure separate rate limit to each mctenant's server
# trafgen tenants:
# On each host, configure separate rate limits for traffic to each
# other host, for each trafgentenant
trafgen_pair_rate = (0 if not self.opts("trafgentenants") else
(self.opts("trafgen_total_rate") * 1.0 /
(self.opts("trafgentenants") * (len(hlist.lst) - 1))))
# Client to server traffic
mc_pair_rate_client = (0 if not self.opts("mctenants") else
(self.opts("mc_total_rate_client") * 1.0 /
(self.opts("mctenants") * len(hservers.lst))))
# Server to client traffic
mc_pair_rate_server = (0 if not self.opts("mctenants") else
(self.opts("mc_total_rate_server") * 1.0 /
(self.opts("mctenants") * len(hclients.lst))))
self.log(T.colored("Pair rate mc client = %s" % mc_pair_rate_client, "blue"))
self.log(T.colored("Pair rate mc server = %s" % mc_pair_rate_server, "blue"))
self.log(T.colored("Trafgen pair rate = %s" % trafgen_pair_rate, "blue"))
if self.opts("rl") == "htb":
hlist.mc_add_htb_qdisc(self.opts("htb_mtu"))
elif self.opts("rl") == "qfq":
hlist.mc_add_qfq_qdisc(self.opts("mtu"))
elif self.opts("rl") == "eyeq":
hlist.mc_add_htb_qdisc(self.opts("mtu"), True)
# Qdisc classes
# class 1 : default class
# Separate class for each (mctenant, srv_id, cli_id) tuple
# (start_port +
# (tenant * num_servers * num_clients) +
# (srv_id * num_clients) +
# (cli_id)) : On client, this represents traffic to srv_id for tenant
# On server, this represents traffic to cli_id for tenant
# Separate class for each (trafgentenant, hsrc, hdst) tuple
# (start_port + 10000 +
# (tenant * num_hosts * (num_hosts - 1)) +
# (src_id * (num_hosts - 1)) +
# (dst_id)) : Traffic from src_host to dst_host for each tenant
for tenant in xrange(0, self.opts("mctenants")):
for (srv_id, hserver) in enumerate(hservers.lst):
server_ip = socket.gethostbyname(hserver.hostname())
for (cli_id, hclient) in enumerate(hclients.lst):
client_ip = socket.gethostbyname(hclient.hostname())
srv_port = start_port + tenant
rate_str_client = '%.3fMbit' % mc_pair_rate_client
rate_str_server = '%.3fMbit' % mc_pair_rate_server
klass = (start_port +
(tenant * len(hservers.lst) * len(hclients.lst)) +
(srv_id * len(hclients.lst)) +
(cli_id))
if self.opts("rl") in ["htb", "eyeq"]:
hclient.mc_add_htb_class(rate=rate_str_client,
ceil=rate_str_client,
klass=klass,
htb_mtu=self.opts("htb_mtu"))
hserver.mc_add_htb_class(rate=rate_str_server,
ceil=rate_str_server,
klass=klass,
htb_mtu=self.opts("htb_mtu"))
elif self.opts("rl") == "qfq":
hclient.mc_add_qfq_class(rate=mc_pair_rate_client,
klass=klass,
mtu=self.opts("mtu"))
hserver.mc_add_qfq_class(rate=mc_pair_rate_server,
klass=klass,
mtu=self.opts("mtu"))
if self.opts("rl") in ["htb", "eyeq", "qfq"]:
# Client -> Server traffic
hclient.mc_add_qdisc_filter(server_ip, sport=0,
dport=srv_port, klass=klass)
# Server -> Client traffic
hserver.mc_add_qdisc_filter(client_ip, sport=srv_port,
dport=0, klass=klass)
for tenant in xrange(0, self.opts("trafgentenants")):
trafgen_port = start_port + 1000 + tenant
for (src_id, hsrc) in enumerate(hlist.lst):
src_ip = socket.gethostbyname(hsrc.hostname())
for (dst_id, hdst) in enumerate(hlist.lst):
if hsrc == hdst:
continue
# NOTE: Some klass ID's would be unused (when src_id ==
# dst_id).
# NOTE: Trafgen server -> client traffic (only ACKs) is
# allocated a rate limit of only 5Mbit.
dst_ip = socket.gethostbyname(hdst.hostname())
rate_str = '%.3fMbit' % trafgen_pair_rate
rate_str_acks = '5Mbit'
klass = (start_port + 10000 +
(tenant * len(hlist.lst) * len(hlist.lst)) +
(src_id * len(hlist.lst)) +
(dst_id))
if self.opts("rl") in ["htb", "eyeq"]:
hsrc.mc_add_htb_class(rate=rate_str, ceil=rate_str,
klass=klass,
htb_mtu=self.opts("htb_mtu"))
hdst.mc_add_htb_class(rate=rate_str_acks,
ceil=rate_str_acks, klass=klass,
htb_mtu=self.opts("htb_mtu"))
elif self.opts("rl") == "qfq":
hsrc.mc_add_qfq_class(rate=trafgen_pair_rate,
klass=klass, mtu=self.opts("mtu"))
hdst.mc_add_qfq_class(rate=5, klass=klass,
mtu=self.opts("mtu"))
if self.opts("rl") in ["htb", "eyeq", "qfq"]:
# Trafgen client -> server traffic filter
hsrc.mc_add_qdisc_filter(dst_ip, sport=0,
dport=trafgen_port, klass=klass)
# Trafgen server -> client traffic filter (only affects ACKs)
hdst.mc_add_qdisc_filter(src_ip, sport=trafgen_port,
dport=0, klass=klass)
hlist.start_bw_monitor(e('logs'))
hlist.start_mpstat(e('logs'))
hlist.start_perf_monitor(e('logs'), self.opts("t"))
hlist.set_mtu(self.opts("mtu"))
if sniffer:
hsniffer.start_sniffer_delayed(e('logs', tmpdir=config['SNIFFER_TMPDIR']),
board=0, delay=config['SNIFFER_DELAY'],
duration=config['SNIFFER_DURATION'])
sleep(1)
# Start trafgen clients to generate background all-to-all traffic.
# For each (tenant, destination) pair, create a separate trafgen
# instance on the source host. This is required since trafgen currently
# only supports a single destination per instance.
for tenant in xrange(0, self.opts("trafgentenants")):
tenant_id = "%d_%d" % (tenant, self.opts("trafgentenants"))
for hsrc in hlist.lst:
for hdst in hlist.lst:
if hsrc == hdst:
continue
dst_ip = socket.gethostbyname(hdst.hostname())
self.start_trafgen_client(hsrc, dst_ip,
tenant_id = tenant_id,
proto=self.opts("trafgenproto"),
port = start_port + 1000 + tenant,
mtu = self.opts("mtu"),
cpus = [avail_cpus[assigned_cpus %
len(avail_cpus)]],
dir = e('logs'))
assigned_cpus += 1
# Start mcperf clients to generate requests. For each (tenant, server)
# pair, create a separate mcperf instance. This is required since mcperf
# does not have an option to send requests randomly to the available
# memcached servers.
tmp_assigned_cpus = 0
for tenant in xrange(0, self.opts("mctenants")):
for hserver in hservers.lst:
server_ip = socket.gethostbyname(hserver.hostname())
for (cli_id, hclient) in enumerate(hclients.lst):
# Index of tenant and client connecting to this particular
# server for this tenant.
tenant_id = "%d_%d" % (tenant, self.opts("mctenants"))
client_id = "%d_%d" % (cli_id, len(hclients.lst))
# We use traffic class number as the seed for the
# random number generator so that all instances
# generate unique random number sequences. But we want to
# use a different seed that that used for the initial "set"
# workload for populating caches. So we increment the
# respective class numbers by say 11213 to get the seed.
seed = (start_port + 11213 +
(tenant * len(hservers.lst) * len(hclients.lst)) +
(srv_id * len(hclients.lst)) +
(cli_id))
self.start_mcperf(hclient, server_ip, tenant_id, client_id,
seed = seed,
port = start_port + tenant,
time = self.opts("t"),
nconn = self.opts("mcnconn"),
mcrate = self.opts("mcrate"),
mcexp = self.opts("mcexp"),
workload = self.opts("mcworkload"),
mcsize = self.opts("mcsize"),
cpus = [avail_cpus[tmp_assigned_cpus %
len(avail_cpus)]],
dir=e('logs'))
tmp_assigned_cpus += 1
self.hservers = hservers
self.hclients = hclients
self.hlist = hlist
if sniffer:
self.hsniffer = hsniffer
def start(self):
sniffer = self.opts("sniffer")
hservers = HostList()
hclients = HostList()
hlist = HostList()
if sniffer:
hsniffer = Host(sniffer)
self.log(T.colored("Servers:---", "green"))
for ip in self.opts("servers"):
h = Host(ip)
hservers.append(h)
hlist.append(h)
self.log(T.colored(ip, "green"))
self.log(T.colored("Clients:---", "yellow"))
for ip in self.opts("clients"):
h = Host(ip)
hclients.append(h)
hlist.append(h)
self.log(T.colored(ip, "yellow"))
# Reset/clear state on servers and clients
hlist.rmrf(e(""))
hlist.mkdir(e("logs"))
# Log the servers and clients used for the experiment
local_cmd("mkdir -p %s/logs" % self.opts("outdir"))
hostsfile = "%s/logs/hostsfile.txt" % self.opts("outdir")
hostsfd = open(hostsfile, 'w')
hostsfd.write("Servers:\n")
for ip in self.opts("servers"):
hostsfd.write(" " + ip + "\n")
hostsfd.write("Clients:\n")
for ip in self.opts("clients"):
hostsfd.write(" " + ip + "\n")
hostsfd.close()
if sniffer:
hsniffer.rmrf(e("", tmpdir=config['SNIFFER_TMPDIR']))
hsniffer.mkdir(e("logs", tmpdir=config['SNIFFER_TMPDIR']))
hsniffer.cmd("killall -9 %s" % config['SNIFFER'])
hlist.rmmod()
hlist.stop_trafgen()
hlist.cmd("sudo service memcached stop")
hlist.killall("udp memcached mcperf")
hlist.remove_qdiscs()
hlist.clear_intel_hw_rate_limits(config['NIC_HW_QUEUES'])
hlist.clear_mellanox_hw_rate_limits()
sleep(1)
hlist.configure_tcp_limit_output_bytes()
# Find available CPU cores for all tenants
start_port = self.opts("startport")
avail_cpus = [
x for x in xrange(0, config['NUM_CPUS'])
if x not in config['EXCLUDE_CPUS']
]
# Setup interrupt affinity
# Configure interrupts to only be sent to respective CPU cores
# to which the tenants are pinned
if self.opts("mctenants") + 2 * self.opts("trafgentenants") > len(
avail_cpus):
tenant_cpus = avail_cpus
self.log(
T.colored("WARNING: Multiple tenants sharing CPU cores",
"red"))
else:
tenant_cpus = avail_cpus[:self.opts("mctenants") +
2 * self.opts("trafgentenants")]
hlist.configure_iface_interrupt_affinity(tenant_cpus)
# NOTE: Tenant to CPU cores mapping:
# -- First 'mctenants' CPU cores are used to pin memcached or mcperf
# instances on servers and clients respectively.
# -- Next 'trafgentenants' CPU cores are used to bind trafgen sink
# processes for each tenant on each host
# Last 'trafgentenants' CPU cores are used to bind trafgen generator
# processes for each tenant on each host
# So, each trafgen tenant requires 2 CPU cores (1 for sink and 1 for
# generator)
# Start memcached on servers - one instance for each tenant, pinned to a
# different CPU core
assigned_cpus = 0
for tenant in xrange(0, self.opts("mctenants")):
self.start_memcached(
hservers,
mem=2048,
port=start_port + tenant,
threads=1,
cpus=[avail_cpus[assigned_cpus % len(avail_cpus)]])
assigned_cpus += 1
# Start trafgen servers/sinks - one instance for each tenant, pinned to
# a different CPU core on each host
for tenant in xrange(0, self.opts("trafgentenants")):
tenant_id = "%d_%d" % (tenant, self.opts("trafgentenants"))
self.start_trafgen_server(
hlist,
proto=self.opts("trafgenproto"),
tenant_id=tenant_id,
port=start_port + 1000 + tenant,
cpus=[avail_cpus[assigned_cpus % len(avail_cpus)]],
dir=e('logs'))
assigned_cpus += 1
# If mcworkload=get, first run mcperf with set requests to full up the
# cache. For each (tenant, server) pair, create a separate mcperf
# instance on each client.
if self.opts("mcworkload") == "get":
tmp_assigned_cpus = 0
hlist.mkdir(e("logs_unused"))
for tenant in xrange(0, self.opts("mctenants")):
for (srv_id, hserver) in enumerate(hservers.lst):
server_ip = socket.gethostbyname(hserver.hostname())
for (cli_id, hclient) in enumerate(hclients.lst):
# Index of tenant and client connecting to this
# particular server for this tenant.
tenant_id = "%d_%d" % (tenant, self.opts("mctenants"))
client_id = "%d_%d" % (cli_id, len(hclients.lst))
# We use the traffic class number as the seed for the
# random number generator so that all instances
# generate unique random number sequences.
seed = (
start_port +
(tenant * len(hservers.lst) * len(hclients.lst)) +
(srv_id * len(hclients.lst)) + (cli_id))
self.start_mcperf(hclient,
server_ip,
tenant_id,
client_id,
seed=seed,
port=start_port + tenant,
time=MC_PREPOPULATE_TIME,
nconn=self.opts("mcnconn"),
mcrate=5000,
mcexp=self.opts("mcexp"),
workload="set",
mcsize=self.opts("mcsize"),
cpus=[
avail_cpus[tmp_assigned_cpus %
len(avail_cpus)]
],
dir=e('logs_unused'))
tmp_assigned_cpus += 1
self.log(T.colored("Populating caches first", "blue"))
progress(MC_PREPOPULATE_TIME + 5)
# Configure rate limits
# mcperf tenants:
# On server, configure separate rate limit to each mctenant's client
# On client, configure separate rate limit to each mctenant's server
# trafgen tenants:
# On each host, configure separate rate limits for traffic to each
# other host, for each trafgentenant
trafgen_pair_rate = (0 if not self.opts("trafgentenants") else
(self.opts("trafgen_total_rate") * 1.0 /
(self.opts("trafgentenants") *
(len(hlist.lst) - 1))))
# Client to server traffic
mc_pair_rate_client = (0 if not self.opts("mctenants") else
(self.opts("mc_total_rate_client") * 1.0 /
(self.opts("mctenants") * len(hservers.lst))))
# Server to client traffic
mc_pair_rate_server = (0 if not self.opts("mctenants") else
(self.opts("mc_total_rate_server") * 1.0 /
(self.opts("mctenants") * len(hclients.lst))))
self.log(
T.colored("Pair rate mc client = %s" % mc_pair_rate_client,
"blue"))
self.log(
T.colored("Pair rate mc server = %s" % mc_pair_rate_server,
"blue"))
self.log(
T.colored("Trafgen pair rate = %s" % trafgen_pair_rate, "blue"))
if self.opts("rl") == "htb":
hlist.mc_add_htb_qdisc(self.opts("htb_mtu"))
elif self.opts("rl") == "qfq":
hlist.mc_add_qfq_qdisc(self.opts("mtu"))
elif self.opts("rl") == "eyeq":
hlist.mc_add_htb_qdisc(self.opts("mtu"), True)
# Qdisc classes
# class 1 : default class
# Separate class for each (mctenant, srv_id, cli_id) tuple
# (start_port +
# (tenant * num_servers * num_clients) +
# (srv_id * num_clients) +
# (cli_id)) : On client, this represents traffic to srv_id for tenant
# On server, this represents traffic to cli_id for tenant
# Separate class for each (trafgentenant, hsrc, hdst) tuple
# (start_port + 10000 +
# (tenant * num_hosts * (num_hosts - 1)) +
# (src_id * (num_hosts - 1)) +
# (dst_id)) : Traffic from src_host to dst_host for each tenant
for tenant in xrange(0, self.opts("mctenants")):
for (srv_id, hserver) in enumerate(hservers.lst):
server_ip = socket.gethostbyname(hserver.hostname())
for (cli_id, hclient) in enumerate(hclients.lst):
client_ip = socket.gethostbyname(hclient.hostname())
srv_port = start_port + tenant
rate_str_client = '%.3fMbit' % mc_pair_rate_client
rate_str_server = '%.3fMbit' % mc_pair_rate_server
klass = (start_port +
(tenant * len(hservers.lst) * len(hclients.lst)) +
(srv_id * len(hclients.lst)) + (cli_id))
if self.opts("rl") in ["htb", "eyeq"]:
hclient.mc_add_htb_class(rate=rate_str_client,
ceil=rate_str_client,
klass=klass,
htb_mtu=self.opts("htb_mtu"))
hserver.mc_add_htb_class(rate=rate_str_server,
ceil=rate_str_server,
klass=klass,
htb_mtu=self.opts("htb_mtu"))
elif self.opts("rl") == "qfq":
hclient.mc_add_qfq_class(rate=mc_pair_rate_client,
klass=klass,
mtu=self.opts("mtu"))
hserver.mc_add_qfq_class(rate=mc_pair_rate_server,
klass=klass,
mtu=self.opts("mtu"))
if self.opts("rl") in ["htb", "eyeq", "qfq"]:
# Client -> Server traffic
hclient.mc_add_qdisc_filter(server_ip,
sport=0,
dport=srv_port,
klass=klass)
# Server -> Client traffic
hserver.mc_add_qdisc_filter(client_ip,
sport=srv_port,
dport=0,
klass=klass)
for tenant in xrange(0, self.opts("trafgentenants")):
trafgen_port = start_port + 1000 + tenant
for (src_id, hsrc) in enumerate(hlist.lst):
src_ip = socket.gethostbyname(hsrc.hostname())
for (dst_id, hdst) in enumerate(hlist.lst):
if hsrc == hdst:
continue
# NOTE: Some klass ID's would be unused (when src_id ==
# dst_id).
# NOTE: Trafgen server -> client traffic (only ACKs) is
# allocated a rate limit of only 5Mbit.
dst_ip = socket.gethostbyname(hdst.hostname())
rate_str = '%.3fMbit' % trafgen_pair_rate
rate_str_acks = '5Mbit'
klass = (start_port + 10000 +
(tenant * len(hlist.lst) * len(hlist.lst)) +
(src_id * len(hlist.lst)) + (dst_id))
if self.opts("rl") in ["htb", "eyeq"]:
hsrc.mc_add_htb_class(rate=rate_str,
ceil=rate_str,
klass=klass,
htb_mtu=self.opts("htb_mtu"))
hdst.mc_add_htb_class(rate=rate_str_acks,
ceil=rate_str_acks,
klass=klass,
htb_mtu=self.opts("htb_mtu"))
elif self.opts("rl") == "qfq":
hsrc.mc_add_qfq_class(rate=trafgen_pair_rate,
klass=klass,
mtu=self.opts("mtu"))
hdst.mc_add_qfq_class(rate=5,
klass=klass,
mtu=self.opts("mtu"))
if self.opts("rl") in ["htb", "eyeq", "qfq"]:
# Trafgen client -> server traffic filter
hsrc.mc_add_qdisc_filter(dst_ip,
sport=0,
dport=trafgen_port,
klass=klass)
# Trafgen server -> client traffic filter (only affects ACKs)
hdst.mc_add_qdisc_filter(src_ip,
sport=trafgen_port,
dport=0,
klass=klass)
hlist.start_bw_monitor(e('logs'))
hlist.start_mpstat(e('logs'))
hlist.start_perf_monitor(e('logs'), self.opts("t"))
hlist.set_mtu(self.opts("mtu"))
if sniffer:
hsniffer.start_sniffer_delayed(e('logs',
tmpdir=config['SNIFFER_TMPDIR']),
board=0,
delay=config['SNIFFER_DELAY'],
duration=config['SNIFFER_DURATION'])
sleep(1)
# Start trafgen clients to generate background all-to-all traffic.
# For each (tenant, destination) pair, create a separate trafgen
# instance on the source host. This is required since trafgen currently
# only supports a single destination per instance.
for tenant in xrange(0, self.opts("trafgentenants")):
tenant_id = "%d_%d" % (tenant, self.opts("trafgentenants"))
for hsrc in hlist.lst:
for hdst in hlist.lst:
if hsrc == hdst:
continue
dst_ip = socket.gethostbyname(hdst.hostname())
self.start_trafgen_client(
hsrc,
dst_ip,
tenant_id=tenant_id,
proto=self.opts("trafgenproto"),
port=start_port + 1000 + tenant,
mtu=self.opts("mtu"),
cpus=[avail_cpus[assigned_cpus % len(avail_cpus)]],
dir=e('logs'))
assigned_cpus += 1
# Start mcperf clients to generate requests. For each (tenant, server)
# pair, create a separate mcperf instance. This is required since mcperf
# does not have an option to send requests randomly to the available
# memcached servers.
tmp_assigned_cpus = 0
for tenant in xrange(0, self.opts("mctenants")):
for hserver in hservers.lst:
server_ip = socket.gethostbyname(hserver.hostname())
for (cli_id, hclient) in enumerate(hclients.lst):
# Index of tenant and client connecting to this particular
# server for this tenant.
tenant_id = "%d_%d" % (tenant, self.opts("mctenants"))
client_id = "%d_%d" % (cli_id, len(hclients.lst))
# We use traffic class number as the seed for the
# random number generator so that all instances
# generate unique random number sequences. But we want to
# use a different seed that that used for the initial "set"
# workload for populating caches. So we increment the
# respective class numbers by say 11213 to get the seed.
seed = (start_port + 11213 +
(tenant * len(hservers.lst) * len(hclients.lst)) +
(srv_id * len(hclients.lst)) + (cli_id))
self.start_mcperf(
hclient,
server_ip,
tenant_id,
client_id,
seed=seed,
port=start_port + tenant,
time=self.opts("t"),
nconn=self.opts("mcnconn"),
mcrate=self.opts("mcrate"),
mcexp=self.opts("mcexp"),
workload=self.opts("mcworkload"),
mcsize=self.opts("mcsize"),
cpus=[avail_cpus[tmp_assigned_cpus % len(avail_cpus)]],
dir=e('logs'))
tmp_assigned_cpus += 1
self.hservers = hservers
self.hclients = hclients
self.hlist = hlist
if sniffer:
self.hsniffer = hsniffer
