yes, mine is a laptop. On Mon, Jun 6, 2016 at 11:23 PM, DiGiorgio, Mr. Rinaldo S. < [email protected]> wrote:
> > On Jun 6, 2016, at 11:08, haosdent <[email protected]> wrote: > > I use OS X 10.11.4 but I think it should not related to this minor > different on OS X version. > For settings, I disable `Enable Power Nap while plugged into a power > adapter` in `Energy Saver`. > > > I assume you have a laptop, I have retested with power nap being set to > off on an iMac and it did not make a difference. I will try it on a > laptop. The other 15 Macs are all towers. Maybe it is a clue, works on > laptops but not on desktops. > > On Mon, Jun 6, 2016 at 10:57 PM, DiGiorgio, Mr. Rinaldo S. < > [email protected]> wrote: > > > > Thanks James and Haosdent, >> >> I built my own version of mesos 1.0 and installed it on 10.11.5 and I am >> getting the same results as 10.10.5 with 0.28.1 >> >> Do either of you remember what you may have set on your OSX machines to >> default some of the desktop settings that may be causing this issue? >> >> >> We are already turning off many desktop features since they are not >> relevant for our use case. >> >> >> >> Received SUBSCRIBED event >> Subscribed executor on >> dhcp-adc-twvpn-3-vpnpool-10-154-101-79.vpn.oracle.com >> Received LAUNCH event >> Starting task test-sleep >> sh -c 'cd /tmp && java SleepLatency' >> Forked command at 2907 >> loop 0 delay 35 ms >> loop 1 delay 108 ms >> loop 2 delay 104 ms >> loop 3 delay 57 ms >> loop 4 delay 104 ms >> loop 5 delay 93 ms >> loop 6 delay 12 ms >> loop 7 delay 17 ms >> loop 8 delay 105 ms >> loop 9 delay 109 ms >> >> >> > On Jun 4, 2016, at 05:07, haosdent <[email protected]> wrote: >> > >> > Hi, Rinaldo. I test your problem in my local Mesos (run in my mac). It >> looks normal in my side. I started it by >> > >> > ``` >> > mesos-execute --master="localhost:5050" --name="test-sleep" >> --command="cd /tmp && java SleepLatency" >> > ``` >> > >> > ``` >> > Registered executor on localhost >> > Starting task test-sleep >> > sh -c 'cd /tmp && java SleepLatency' >> > Forked command at 42480 >> > loop 0 delay 11 ms >> > loop 1 delay 12 ms >> > loop 2 delay 11 ms >> > loop 3 delay 13 ms >> > loop 4 delay 12 ms >> > loop 5 delay 12 ms >> > loop 6 delay 12 ms >> > loop 7 delay 12 ms >> > loop 8 delay 12 ms >> > loop 9 delay 11 ms >> > loop 10 delay 12 ms >> > loop 11 delay 13 ms >> > loop 12 delay 11 ms >> > loop 13 delay 11 ms >> > loop 14 delay 12 ms >> > loop 15 delay 12 ms >> > loop 16 delay 13 ms >> > loop 17 delay 12 ms >> > loop 18 delay 11 ms >> > loop 19 delay 12 ms >> > loop 20 delay 12 ms >> > loop 21 delay 11 ms >> > loop 22 delay 12 ms >> > loop 23 delay 11 ms >> > loop 24 delay 12 ms >> > loop 25 delay 12 ms >> > loop 26 delay 12 ms >> > loop 27 delay 12 ms >> > loop 28 delay 13 ms >> > loop 29 delay 12 ms >> > loop 30 delay 12 ms >> > loop 31 delay 11 ms >> > loop 32 delay 11 ms >> > loop 33 delay 11 ms >> > loop 34 delay 13 ms >> > loop 35 delay 10 ms >> > loop 36 delay 12 ms >> > loop 37 delay 11 ms >> > loop 38 delay 12 ms >> > loop 39 delay 12 ms >> > loop 40 delay 12 ms >> > loop 41 delay 12 ms >> > loop 42 delay 12 ms >> > loop 43 delay 11 ms >> > loop 44 delay 12 ms >> > loop 45 delay 12 ms >> > loop 46 delay 12 ms >> > loop 47 delay 12 ms >> > loop 48 delay 12 ms >> > loop 49 delay 12 ms >> > loop 50 delay 12 ms >> > loop 51 delay 12 ms >> > loop 52 delay 12 ms >> > loop 53 delay 13 ms >> > loop 54 delay 11 ms >> > loop 55 delay 12 ms >> > loop 56 delay 12 ms >> > loop 57 delay 12 ms >> > loop 58 delay 12 ms >> > loop 59 delay 11 ms >> > loop 60 delay 11 ms >> > loop 61 delay 11 ms >> > loop 62 delay 11 ms >> > loop 63 delay 12 ms >> > loop 64 delay 12 ms >> > loop 65 delay 12 ms >> > loop 66 delay 12 ms >> > loop 67 delay 12 ms >> > loop 68 delay 11 ms >> > loop 69 delay 13 ms >> > loop 70 delay 12 ms >> > loop 71 delay 10 ms >> > loop 72 delay 12 ms >> > loop 73 delay 10 ms >> > loop 74 delay 11 ms >> > loop 75 delay 12 ms >> > loop 76 delay 10 ms >> > loop 77 delay 11 ms >> > loop 78 delay 12 ms >> > loop 79 delay 10 ms >> > loop 80 delay 12 ms >> > loop 81 delay 12 ms >> > loop 82 delay 11 ms >> > loop 83 delay 11 ms >> > loop 84 delay 12 ms >> > loop 85 delay 11 ms >> > loop 86 delay 12 ms >> > loop 87 delay 12 ms >> > loop 88 delay 12 ms >> > loop 89 delay 11 ms >> > loop 90 delay 12 ms >> > loop 91 delay 12 ms >> > loop 92 delay 13 ms >> > loop 93 delay 12 ms >> > loop 94 delay 11 ms >> > loop 95 delay 10 ms >> > loop 96 delay 12 ms >> > loop 97 delay 11 ms >> > loop 98 delay 12 ms >> > loop 99 delay 12 ms >> > total time = 1215 ms >> > Command exited with status 0 (pid: 42480) >> > ``` >> > >> > On Sat, Jun 4, 2016 at 4:11 AM, DiGiorgio, Mr. Rinaldo S. < >> [email protected]> wrote: >> > Hi, >> > >> > We are running the following Java application and we are >> getting unreasonable deltas in the actual amount time slept. On linux the >> results are as expected 10, 11, 12 but mostly 10ms. Can you suggest any >> changes we can make or is this a known issue or a new issue to be >> investigated? When we run the same code on the same instance of OSX 10.10.5 >> without mesos -- we get the expected results. >> > >> > >> > public class SleepLatency { >> > static final int COUNT = 100; >> > static final long DELAY = 10L; >> > >> > public static void main(String[] args) throws Exception { >> > long tstart = System.currentTimeMillis(); >> > for (int i = 0; i < COUNT; i++) { >> > long t0 = System.currentTimeMillis(); >> > Thread.sleep(DELAY); >> > long t1 = System.currentTimeMillis(); >> > System.out.printf("loop %3d delay %4d ms%n", i, t1 - t0); >> > } >> > long tfinish = System.currentTimeMillis(); >> > System.out.printf("total time = %5d ms%n", tfinish - tstart); >> > } >> > } >> > >> > ====== OSX RESULTS are 10 to 20 times larger than LINUX Results >> below ===== >> > >> > sh -c '/opt/jdk/bin/java -cp ./mach5-mesos-support-1.0-SNAPSHOT.jar >> SleepLatency' >> > loop 0 delay 141 ms >> > loop 1 delay 201 ms >> > loop 2 delay 81 ms >> > loop 3 delay 14 ms >> > loop 4 delay 194 ms >> > loop 5 delay 149 ms >> > loop 6 delay 172 ms >> > loop 7 delay 203 ms >> > loop 8 delay 203 ms >> > loop 9 delay 204 ms >> > loop 10 delay 204 ms >> > loop 11 delay 204 ms >> > loop 12 delay 203 ms >> > loop 13 delay 203 ms >> > loop 14 delay 40 ms >> > loop 15 delay 206 ms >> > loop 16 delay 171 ms >> > loop 17 delay 107 ms >> > loop 18 delay 85 ms >> > loop 19 delay 204 ms >> > loop 20 delay 204 ms >> > loop 21 delay 203 ms >> > loop 22 delay 208 ms >> > loop 23 delay 200 ms >> > loop 24 delay 203 ms >> > loop 25 delay 203 ms >> > loop 26 delay 204 ms >> > loop 27 delay 204 ms >> > loop 28 delay 120 ms >> > loop 29 delay 83 ms >> > loop 30 delay 204 ms >> > loop 31 delay 203 ms >> > loop 32 delay 204 ms >> > loop 33 delay 208 ms >> > loop 34 delay 199 ms >> > loop 35 delay 204 ms >> > loop 36 delay 175 ms >> > loop 37 delay 11 ms >> > loop 38 delay 115 ms >> > loop 39 delay 205 ms >> > loop 40 delay 204 ms >> > loop 41 delay 11 ms >> > loop 42 delay 91 ms >> > loop 43 delay 202 ms >> > loop 44 delay 203 ms >> > loop 45 delay 204 ms >> > loop 46 delay 209 ms >> > loop 47 delay 112 ms >> > loop 48 delay 16 ms >> > loop 49 delay 69 ms >> > loop 50 delay 204 ms >> > loop 51 delay 18 ms >> > loop 52 delay 14 ms >> > loop 53 delay 70 ms >> > loop 54 delay 33 ms >> > loop 55 delay 184 ms >> > loop 56 delay 199 ms >> > loop 57 delay 194 ms >> > loop 58 delay 102 ms >> > loop 59 delay 102 ms >> > loop 60 delay 12 ms >> > loop 61 delay 197 ms >> > loop 62 delay 204 ms >> > loop 63 delay 204 ms >> > loop 64 delay 206 ms >> > loop 65 delay 11 ms >> > loop 66 delay 180 ms >> > loop 67 delay 202 ms >> > loop 68 delay 10 ms >> > loop 69 delay 20 ms >> > loop 70 delay 199 ms >> > loop 71 delay 179 ms >> > loop 72 delay 202 ms >> > loop 73 delay 33 ms >> > loop 74 delay 69 ms >> > loop 75 delay 14 ms >> > loop 76 delay 88 ms >> > loop 77 delay 204 ms >> > loop 78 delay 209 ms >> > loop 79 delay 198 ms >> > loop 80 delay 204 ms >> > loop 81 delay 25 ms >> > loop 82 delay 76 ms >> > loop 83 delay 102 ms >> > loop 84 delay 173 ms >> > loop 85 delay 13 ms >> > loop 86 delay 17 ms >> > loop 87 delay 14 ms >> > loop 88 delay 191 ms >> > loop 89 delay 204 ms >> > loop 90 delay 204 ms >> > loop 91 delay 102 ms >> > loop 92 delay 47 ms >> > loop 93 delay 37 ms >> > loop 94 delay 142 ms >> > loop 95 delay 202 ms >> > loop 96 delay 204 ms >> > loop 97 delay 202 ms >> > loop 98 delay 104 ms >> > loop 99 delay 80 ms >> > total time = 14193 ms >> > >> > >> > ====== LINUX RESULTS are as expected ====== >> > >> > sh -c '/opt/jdk/bin/java -cp ./mach5-mesos-support-1.0-SNAPSHOT.jar >> SleepLatency' >> > Forked command at 6125 >> > loop 0 delay 10 ms >> > loop 1 delay 11 ms >> > loop 2 delay 10 ms >> > loop 3 delay 10 ms >> > loop 4 delay 10 ms >> > loop 5 delay 10 ms >> > loop 6 delay 10 ms >> > loop 7 delay 10 ms >> > loop 8 delay 10 ms >> > loop 9 delay 10 ms >> > loop 10 delay 10 ms >> > loop 11 delay 10 ms >> > loop 12 delay 10 ms >> > loop 13 delay 10 ms >> > loop 14 delay 10 ms >> > loop 15 delay 10 ms >> > loop 16 delay 10 ms >> > loop 17 delay 10 ms >> > loop 18 delay 10 ms >> > loop 19 delay 11 ms >> > loop 20 delay 10 ms >> > loop 21 delay 10 ms >> > loop 22 delay 10 ms >> > loop 23 delay 10 ms >> > loop 24 delay 10 ms >> > loop 25 delay 11 ms >> > loop 26 delay 10 ms >> > loop 27 delay 10 ms >> > loop 28 delay 10 ms >> > loop 29 delay 10 ms >> > loop 30 delay 10 ms >> > loop 31 delay 10 ms >> > loop 32 delay 10 ms >> > loop 33 delay 10 ms >> > loop 34 delay 11 ms >> > loop 35 delay 10 ms >> > loop 36 delay 10 ms >> > loop 37 delay 11 ms >> > loop 38 delay 10 ms >> > loop 39 delay 10 ms >> > loop 40 delay 11 ms >> > loop 41 delay 10 ms >> > loop 42 delay 10 ms >> > loop 43 delay 11 ms >> > loop 44 delay 10 ms >> > loop 45 delay 10 ms >> > loop 46 delay 10 ms >> > loop 47 delay 10 ms >> > loop 48 delay 10 ms >> > loop 49 delay 10 ms >> > loop 50 delay 10 ms >> > loop 51 delay 10 ms >> > loop 52 delay 11 ms >> > loop 53 delay 10 ms >> > loop 54 delay 10 ms >> > loop 55 delay 10 ms >> > loop 56 delay 10 ms >> > loop 57 delay 10 ms >> > loop 58 delay 10 ms >> > loop 59 delay 10 ms >> > loop 60 delay 10 ms >> > loop 61 delay 10 ms >> > loop 62 delay 11 ms >> > loop 63 delay 10 ms >> > loop 64 delay 10 ms >> > loop 65 delay 11 ms >> > loop 66 delay 10 ms >> > loop 67 delay 10 ms >> > loop 68 delay 10 ms >> > loop 69 delay 10 ms >> > loop 70 delay 10 ms >> > loop 71 delay 10 ms >> > loop 72 delay 11 ms >> > loop 73 delay 10 ms >> > loop 74 delay 10 ms >> > loop 75 delay 10 ms >> > loop 76 delay 11 ms >> > loop 77 delay 10 ms >> > loop 78 delay 10 ms >> > loop 79 delay 10 ms >> > loop 80 delay 11 ms >> > loop 81 delay 10 ms >> > loop 82 delay 10 ms >> > loop 83 delay 10 ms >> > loop 84 delay 10 ms >> > loop 85 delay 10 ms >> > loop 86 delay 10 ms >> > loop 87 delay 10 ms >> > loop 88 delay 10 ms >> > loop 89 delay 10 ms >> > loop 90 delay 10 ms >> > loop 91 delay 10 ms >> > loop 92 delay 10 ms >> > loop 93 delay 10 ms >> > loop 94 delay 10 ms >> > loop 95 delay 10 ms >> > loop 96 delay 10 ms >> > loop 97 delay 10 ms >> > loop 98 delay 10 ms >> > loop 99 delay 10 ms >> > total time = 1035 ms >> > >> > >> > >> > >> > >> > >> > -- >> > Best Regards, >> > Haosdent Huang >> >> > > > -- > Best Regards, > Haosdent Huang > > > -- Best Regards, Haosdent Huang
