Working script

garage-latency-simple.R

@@ -40,8 +40,11 @@ if (!file.exists("50ms.garage.csv")) {
   system("mknet run-all ./mknet/deploy_garage.sh")
   system("mknet run dc1:dc1s1 ./mknet/bench_garage.sh")
   system("mknet destroy")
+  print("sleeping for 5 secs to wait for teardown")
+  Sys.sleep(5)
 }
 
+
 if (!file.exists("50ms.minio.csv")) {
   if (file.exists(".current_state.yml")) {
     system("mknet destroy")
@@ -54,13 +57,13 @@ if (!file.exists("50ms.minio.csv")) {
 
 read_csv("50ms.garage.csv") %>% add_column(daemon="garage 0.5.0") -> a
 read_csv("50ms.minio.csv") %>% add_column(daemon="minio RELEASE.2021-11-24T23-19-33Z") -> b
-bind_rows(a,b) %>% group_by(daemon,op) %>% summarise(
+bind_rows(a,b) %>% group_by(daemon,endpoint) %>% summarise(
-  time_mean = mean(time),
+  time_mean = mean(nanoseconds) / 1000 / 1000,
-  time_max = max(time),
+  time_max = max(nanoseconds) / 1000 / 1000,
-  time_min = min(time)
+  time_min = min(nanoseconds) / 1000 / 1000
 ) -> c
 
-ggplot(c, aes(x=op,y=time_mean,fill=daemon,ymin=time_min,ymax=time_max)) +
+ggplot(c, aes(x=endpoint,y=time_mean,fill=daemon,ymin=time_min,ymax=time_max)) +
       geom_bar(stat="identity", position=position_dodge(),color="black") +
       geom_errorbar(position=position_dodge(.9),width=.2) + 
       scale_y_continuous(expand=c(0,0))+
@@ -72,6 +75,7 @@ ggplot(c, aes(x=op,y=time_mean,fill=daemon,ymin=time_min,ymax=time_max)) +
         caption="Get the code to reproduce this graph at https://git.deuxfleurs.fr/quentin/benchmarks",
         title="S3 endpoint latency in a simulated geo-distributed cluster",
         subtitle="100 measurements, 5 nodes, 100ms RTT + 20ms jitter between nodes\nno contention: latency is due to intra-cluster communications\ncolored bar = mean latency, error bar = min and max") + 
-      theme_classic() +
+      theme_classic() + 
-      ggsave("endpoint-latency.png", width=200, height=110, units="mm")
+      theme(legend.position = c(.8, .3))
-       
+
+ggsave("endpoint-latency.png", width=200, height=110, units="mm")

mknet/bench_minio.sh

@@ -1,9 +1,9 @@
 #!/bin/bash
 
-echo "sleep 60"
+echo "sleep 3 min to wait for minio bootstrap"
-sleep 60
+sleep 180
 
-export ENDPOINT=[fc00:9a7a:9e::1]:9000
+export ENDPOINT=localhost:9000
 export AWS_ACCESS_KEY_ID=minioadmin
 export AWS_SECRET_ACCESS_KEY=minioadmin
 

mknet/deploy_minio.py

@@ -19,7 +19,7 @@ def leader():
     sock.bind(UNIX_SOCK)
     sock.listen()
 
-    n_serv = os.environ['SIZE']
+    n_serv = int(os.environ['SIZE'])
     fl = [ co for co, addr in [ sock.accept() for i in range(n_serv - 1) ]]
 
     identities = [ json.loads(co.makefile().readline()) for co in fl ] + [ { "ip": os.environ['IP'], "path": make_data() } ]
@@ -52,7 +52,7 @@ def make_data():
     return data_path
 
 def run_minio(identities):
-    cmd = f"minio server --console-address ':9001' --address [{os.environ['IP']}]:9000"
+    cmd = f"minio server --console-address ':9001' --address ':9000'"
     for ident in identities:
         cmd += f" http://[{ident['ip']}]:9000{ident['path']}"
     cmd += f" > {os.path.join(STORAGE_PATH, 'minio'+os.environ['ID']+'.log')} 2>&1"