mechanical-sympathy

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Welcome to the Mechanical Sympathy group. This group is for discussing how to code sympathetically for the underlying stack/platform so good performance can be extracted.

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Mark E. Dawson, Jr., … Gil Tene6

8/29/18

jHiccup for .NET?

If the .NET profiler api can be used to launch a managed code thread without modifying the

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CoordinatedOmission

feedback-requested

jHiccup for .NET?

If the .NET profiler api can be used to launch a managed code thread without modifying the

8/29/18

Nathan Fisher, … Shripad Agashe8

9/25/17

Measuring latency of a function call

Thanks for the link to Alekseys video. I'll give it a viewing! On Mon, 25 Sep 2017 at 06:10,

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Measuring latency of a function call

Thanks for the link to Alekseys video. I'll give it a viewing! On Mon, 25 Sep 2017 at 06:10,

9/25/17

Gaurav Abbi, … Gil Tene5

12/21/16

Does percentile metrics follow the rules of summations?

The right way to deal with percentiles (especially when it comes to latency) is to assume nothing

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SequentialConsistency

Does percentile metrics follow the rules of summations?

The right way to deal with percentiles (especially when it comes to latency) is to assume nothing

12/21/16

Ivan Kelly, … Vitaly Davidovich17

12/14/16

Minimum realistic GC time for G1 collector on 10GB

Have you tried just setting -Xmx10g and -XX:MaxGCPauseMillis=10? This is typically a good baseline to

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Minimum realistic GC time for G1 collector on 10GB

Have you tried just setting -Xmx10g and -XX:MaxGCPauseMillis=10? This is typically a good baseline to

12/14/16

jonbrwn, … Gil Tene6

10/7/15

Anyone use LatencyUtils or HdrHistrogram for measuring latency on a distributed system?

The key thing to realize is that histograms are additive, unlike other forms of latency summary stats

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CoordinatedOmission

Anyone use LatencyUtils or HdrHistrogram for measuring latency on a distributed system?

The key thing to realize is that histograms are additive, unlike other forms of latency summary stats

10/7/15

lior simon, … Jacob Hansson22

5/19/15

Java - Reuse String Instances

We did a spike on this a few years ago, playing with trying to get a netty stack allocation free.

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Java - Reuse String Instances

We did a spike on this a few years ago, playing with trying to get a netty stack allocation free.

5/19/15

Jean Dagenais, … Jean-Philippe BEMPEL23

1/6/17

Systematic Process to Reduce Linux OS Jitter

Hi, Those servers seem nice, but there is a huge no-go for us and our workload: There is only one

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Systematic Process to Reduce Linux OS Jitter

Hi, Those servers seem nice, but there is a huge no-go for us and our workload: There is only one

1/6/17

ymo, Nathan Tippy3

7/17/14

lock free based load generator

Hi Nathan. I found that in a load simulator environments i need to run a set of tests in a tight loop

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CoordinatedOmission

lock free based load generator

Hi Nathan. I found that in a load simulator environments i need to run a set of tests in a tight loop

7/17/14

Denis Orlov, … Rüdiger Möller7

4/10/14

Detecting cause of java app freezing

Just as a blind shot: I have had similar issues caused by stream redirection to an external python

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ResponseTimeMeasurement

Detecting cause of java app freezing

Just as a blind shot: I have had similar issues caused by stream redirection to an external python

4/10/14

Ramon Nogueira, … Michael Barker13

2/2/14

Azul Zing and the GPL

Hi Ramon, > Yip, I've done this. I'll be sure to report back on what the outcome is. I don

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Azul Zing and the GPL

Hi Ramon, > Yip, I've done this. I'll be sure to report back on what the outcome is. I don

2/2/14

Gil Tene, … tm jee9

1/24/14

LatencyUtils & LatencyStats

h.getHistogramData().outputPercentileDistribution(System.out, 5, 1); See outputPerentileDistribution

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CoordinatedOmission

LatencyUtils & LatencyStats

h.getHistogramData().outputPercentileDistribution(System.out, 5, 1); See outputPerentileDistribution

1/24/14

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