nitsanw / java-ping Goto Github PK
View Code? Open in Web Editor NEWA ping utility to baseline Java socket performance expectations.
Home Page: http://psy-lob-saw.blogspot.com/2013/07/a-java-ping-buffet.html
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Tool doesn't seem to be working.
Hi Nitsan,
I'm trying your tool in EC2 and can't seem to get it working.
on server:
java -jar lib/java-ping.jar -client -select 10.0.0.228 5701 1
java -jar lib/java-ping.jar -server -block 10.0.0.228 5701
On the client I can see:
[simulator@ip-10-0-0-73 ~]$ java -jar lib/java-ping.jar -client -select 10.0.0.228 5701 1
Pinging 10.0.0.228:5701 messages of size 1
Min,50%,90%,99%,99.9%,99.99%,Max
But nothing happens.
I can see they are connecting. If I insert a wrong address on the client I get an error. And if I terminate while the client is 'freezing' the client throws an exception.
There are no firewall issues. I can run simulator (java based benchmark/soak test environment) on the environment without problems. I explicitly set the ports since I know these are open.
When I place both client and server in -block mode and kill the server when the client is connecting, the client starts to output
[simulator@ip-10-0-0-73 ~]$ java -jar lib/java-ping.jar -client -block 10.0.0.228 5701 1
Pinging 10.0.0.228:5701 messages of size 1
Min,50%,90%,99%,99.9%,99.99%,Max
@290,307,316,86119,101210,160963,2529405
@294,307,313,321,377,11215,17564
@295,308,313,321,331,6231,44325
@300,312,320,326,336,5563,17103
@300,312,318,326,345,11156,17879
@301,312,316,325,333,5475,68306
@299,312,316,325,333,5595,19332
@300,312,318,326,335,11244,17198
@300,312,316,325,335,11106,41112
@301,312,320,326,335,6109,18175
@300,312,316,325,332,5342,17111
@300,312,316,325,333,11126,37548
@300,312,316,325,338,10952,17520
@300,312,320,326,336,11216,22149
@300,312,317,325,333,5568,18147
@301,312,317,326,350,11310,18878
@300,312,319,326,338,11415,20731
@299,312,316,325,332,5349,17109
@301,312,316,325,334,11103,18128
@300,312,318,326,342,10962,36726
@300,312,317,325,334,11197,20350
@300,312,317,325,335,11214,17853
@300,312,316,325,333,5393,34899
@300,312,316,325,332,11129,17714
@300,312,317,325,334,5502,17103
@299,312,317,325,337,11076,17935
@300,312,316,325,333,5355,17132
@301,312,318,326,337,11113,18525
@300,312,316,325,334,5524,33918
@300,312,317,325,336,11163,21493
Even though the java server has been killed with a 'killall -9 java'. So there is nothing running but the client is still reporting latencies
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