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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Tony Guan, Leela Mohan3

12/13/17

Interesting (and weird) kernel behavior about hugepage pool at kernel 3.13

Before the reboot, /proc/buddyinfo would have possibly explained this case. On Monday, 11 December

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Interesting (and weird) kernel behavior about hugepage pool at kernel 3.13

Before the reboot, /proc/buddyinfo would have possibly explained this case. On Monday, 11 December

12/13/17

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

unread,

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

11/10/15

Java GARBAGE_COLLECTION_NOTIFICATION Received for NOT A REAL GC with every information being ZERO

Hope anyone can enlighten me about a special garbage collection notification with all the data

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Java GARBAGE_COLLECTION_NOTIFICATION Received for NOT A REAL GC with every information being ZERO

Hope anyone can enlighten me about a special garbage collection notification with all the data

11/10/15

Ashwin Jayaprakash, … Vitaly Davidovich9

2/20/15

Is it worth clearing out local Collections/Maps after creating and populating them in a method?

Interesting. To me this sounds like some bug/anomaly in how the interpreter oopmap is built - anyone

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Is it worth clearing out local Collections/Maps after creating and populating them in a method?

Interesting. To me this sounds like some bug/anomaly in how the interpreter oopmap is built - anyone

2/20/15

u935903.brown.edu, … Martin Thompson12

10/24/13

conceptual tradeoffs re: use of taskset(1) to permute/pin 8xJVM grid's w CPU affinity

I know you are not recommending such practice :-) I know you well enough to know better. I just want

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conceptual tradeoffs re: use of taskset(1) to permute/pin 8xJVM grid's w CPU affinity

I know you are not recommending such practice :-) I know you well enough to know better. I just want

10/24/13

Eugene Morozov, … Rüdiger Möller15

10/9/13

[Wrappers vs Primitives] memory footprints measurements

I totally agree, but nobody in their mind will allow such a changes even on a mid size enterprise

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[Wrappers vs Primitives] memory footprints measurements

I totally agree, but nobody in their mind will allow such a changes even on a mid size enterprise

10/9/13

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