How generate class histogram before/after GC (JVM 1.6.0.17 only JRE instal)

Hi - looking for suggestions on how can generate a class histogram before a stop-the-world GC when
using a Solaris 10 Sparc platform with java version 1.6.0.17 with only the JRE installed.
I know about -XX:+HeapDumpBeforeFullGC/-XX:+HeapDumpAfterFullGC, but that only available in 1.6.0.18.
Also, this box only has the JRE installed, so can not use: jmap -histo 'pid' ...
When using -XX:+PrintClassHistogram, we do get the histogram AFTER the GC ...(unfortunately, not what I
want)...
I have a very large application running on a SPARC platform (Solaris10) with 16Gig RAM I'm trying to
debug/reduce-stop-world-GC times. Current, we observer stop-the-world GCs in 60+ second ranges,
we need to reduced these times....
The issue is that, "occasionally" there are a hugh number of objects being rapidly created and they
live a very short period of time, a large amount of the RAM is cleaned up (below, jstat in one case
shows 5Gigs is cleaned up) in the stop-the-world GC (so don't believe it is a object/memory leak) -
apps is going a bit nuts, trying to figure out why- or - try to determine if there are JVM parameters
could use to reduce the amount of time it takes when these stop-the-world GC occur...
Any suggestions welcomed...
jstat output is below ...(with comments...)...
Not sure which objects are being created/then die - thinking if can get a before GC and
after GC histograms, should be able to tell which objects these are then can track down the "problem".
JVM options used currently (related to memory/GC...)...
-Xms10469m
-Xmx10469m
-XX:PermSize=1500m
-XX:NewSize=2617m
-XX:MaxNewSize=2617m
-XX:MaxPermSize=1500m
-XX:ThreadStackSize=512
-XX:+PrintClassHistogram
-XX:+DisableExplicitGC
-XX:+UseConcMarkSweepGC
-XX:CMSInitiatingOccupancyFraction=65
-XX:+UseParNewGC
-XX:+UseCMSCompactAtFullCollection
-XX:+CMSClassUnloadingEnabled
-XX:CMSInitiatingPermOccupancyFraction=95"
To reduce stop-the-world GC times, am considering the following:
-XX:+UseCMSInitiatingOccupancyOnly and reducing -XX:CMSInitiatingOccupancyFraction=65 from 65 to somthing lower,
but don't know the side effect, anyone have any comments/experiences they can provide related to
using -XX:+UseCMSInitiatingOccupancyOnly ?
jstat logs below from 1 occurrence, comments added ...
the size of each survivor space (S0C && S1C),
the utilization of each survivor space (S0U && S1U),
the capacity of eden (EC), the utilization of eden (EU),
the capacity of the old generation (OC), the utilization of the old generation (OU),
the permanent generation capacity (PC), the permanent generation utilization (PU),
the total number of young generation garbage collection events (YGC),
the total amount of time spent collecting objects in the new generation (YGCT),
the total number of old generation garbage collection events that have occurred (FGC),
the total amount of time spent collecting objects in the old generation (FGCT),
and the total time spent performing garbage collection.
(over next ~90 seconds, add ~ 3Gig of new objects..., on the 66 second GC, it cleans up ~5 Gigs)...
Timeframe between logs 3 seconds...
Timestamp S0C S1C S0U S1U EC EU OC OU PC PU YGC YGCT FGC FGCT GCT
35089.6 267968.0 267968.0 151058.4 0.0 2143872.0 1217499.3 8043520.0 5023371.5 1536000.0 578511.2 464 873.411 48 318.400 1191.811
EDEN space: 1217499.3
35092.6 267968.0 267968.0 151058.4 0.0 2143872.0 1855673.3 8043520.0 5023371.5 1536000.0 578511.2 464 873.411 48 318.400 1191.811
EDEN space: 1855673.3
674K in 3 seconds ...
35095.6 267968.0 267968.0 151058.4 267968.0 2143872.0 2143678.4 8043520.0 5156424.8 1536000.0 578511.2 465 873.411 48 318.400 1191.811
35098.6 267968.0 267968.0 151058.4 267968.0 2143872.0 2143678.4 8043520.0 5738204.2 1536000.0 578511.2 465 873.411 48 318.400 1191.811
Eden space was full, time for new generation (YGCT) increases ..., then eden space down to 360.2
35101.6 267968.0 267968.0 0.0 267968.0 2143872.0 360.2 8043520.0 5729279.8 1536000.0 578511.2 465 880.024 49 318.400 1198.424
Eden space goes up by ~527K in next 3 seconds ...
35104.6 267968.0 267968.0 0.0 267968.0 2143872.0 527419.4 8043520.0 5729279.8 1536000.0 578511.2 465 880.024 49 319.780 1199.805
35107.7 267968.0 267968.0 0.0 267968.0 2143872.0 1135553.7 8043520.0 5729279.8 1536000.0 578511.2 465 880.024 49 319.780 1199.805
35110.7 267968.0 267968.0 0.0 267968.0 2143872.0 1709236.4 8043520.0 5729279.8 1536000.0 578511.2 465 880.024 49 319.780 1199.805
35113.6 267968.0 267968.0 222094.2 267968.0 2143872.0 2143872.0 8043520.0 5738910.5 1536000.0 578511.2 466 880.024 49 319.780 1199.805
Eden space full again ...
35116.7 267968.0 267968.0 267968.0 267968.0 2143872.0 2143872.0 8043520.0 6126805.2 1536000.0 578511.2 466 880.024 49 319.780 1199.805
35119.7 267968.0 267968.0 267968.0 267968.0 2143872.0 2143872.0 8043520.0 6539662.6 1536000.0 578511.2 466 880.024 49 319.780 1199.805
new generation (YGCT) increases ..., then eden space down 120001.3, i
35122.7 267968.0 267968.0 267968.0 0.0 2143872.0 120001.3 8043520.0 6531558.2 1536000.0 578511.2 466 889.008 49 319.780 1208.789
35125.7 267968.0 267968.0 267968.0 0.0 2143872.0 671136.1 8043520.0 6531558.2 1536000.0 578511.2 466 889.008 49 319.780 1208.789
35128.7 267968.0 267968.0 267968.0 0.0 2143872.0 1082680.2 8043520.0 6531558.2 1536000.0 578511.2 466 889.008 49 319.780 1208.789
35131.7 267968.0 267968.0 267968.0 0.0 2143872.0 1520016.2 8043520.0 6531558.2 1536000.0 578511.2 466 889.008 49 319.780 1208.789
35134.7 267968.0 267968.0 267968.0 0.0 2143872.0 1950854.2 8043520.0 6531558.2 1536000.0 578511.2 466 889.008 49 319.780 1208.789
Eden full again ...
35137.8 267968.0 267968.0 267968.0 267968.0 2143872.0 2143872.0 8043520.0 6622408.9 1536000.0 578512.6 467 889.008 49 319.780 1208.789
35140.7 267968.0 267968.0 267968.0 267968.0 2143872.0 2143872.0 8043520.0 6938114.5 1536000.0 578512.6 467 889.008 49 319.780 1208.789
new generation (YGCT) increases ..., then eden space down ti 367846.8
35143.8 267968.0 267968.0 0.0 267968.0 2143872.0 367846.8 8043520.0 6936775.4 1536000.0 578512.9 467 894.001 49 319.780 1213.781
35146.8 267968.0 267968.0 0.0 267968.0 2143872.0 775767.3 8043520.0 6936775.4 1536000.0 578512.9 467 894.001 49 319.780 1213.781
35149.8 267968.0 267968.0 0.0 267968.0 2143872.0 1172577.1 8043520.0 6936775.4 1536000.0 578512.9 467 894.001 49 319.780 1213.781
35152.8 267968.0 267968.0 0.0 267968.0 2143872.0 1615883.8 8043520.0 6936775.4 1536000.0 578512.9 467 894.001 49 319.780 1213.781
35155.9 267968.0 267968.0 0.0 267968.0 2143872.0 2064291.6 8043520.0 6936775.4 1536000.0 578513.2 467 894.001 49 319.780 1213.781
35158.9 267968.0 267968.0 267968.0 267968.0 2143872.0 2143872.0 8043520.0 7190054.7 1536000.0 578513.2 468 894.001 49 319.780 1213.781
Eden full again, YGCT increases ...
35161.9 267968.0 267968.0 267968.0 0.0 2143872.0 240639.6 8043520.0 7255807.0 1536000.0 578513.2 468 898.009 49 319.780 1217.789
35164.9 267968.0 267968.0 267968.0 0.0 2143872.0 692600.4 8043520.0 7255807.0 1536000.0 578513.2 468 898.009 49 319.780 1217.789
35167.9 267968.0 267968.0 267968.0 0.0 2143872.0 1190958.0 8043520.0 7255807.0 1536000.0 578513.2 468 898.009 49 319.780 1217.789
35170.9 267968.0 267968.0 267968.0 0.0 2143872.0 1658177.8 8043520.0 7255807.0 1536000.0 578513.2 468 898.009 49 319.780 1217.789
35173.9 267968.0 267968.0 267968.0 0.0 2143872.0 2135519.5 8043520.0 7255807.0 1536000.0 578513.2 468 898.009 49 319.780 1217.789
35176.9 267968.0 267968.0 267968.0 267968.0 2143872.0 2143872.0 8043520.0 7559906.5 1536000.0 578513.2 469 898.009 49 319.780 1217.789
35179.9 267968.0 267968.0 267968.0 267968.0 2143872.0 2143872.0 8043520.0 7786576.4 1536000.0 578513.2 469 898.009 49 319.780 1217.789
Now old generation is now full ... 8043520-7786576 = 256944
Not enough room ...stop-the-world-GC required...
A full GC below...things freeze...
Timestamp S0C S1C S0U S1U EC EU OC OU PC PU YGC YGCT FGC FGCT GCT
35183.0 267968.0 267968.0 0.0 267968.0 2143872.0 412261.4 8043520.0 7783431.4 1536000.0 578606.8 469 904.504 49 319.780 1224.284
35186.0 267968.0 267968.0 0.0 267968.0 2143872.0 823677.8 8043520.0 7783431.4 1536000.0 578606.8 469 904.504 49 319.780 1224.284
35189.0 267968.0 267968.0 0.0 267968.0 2143872.0 1281240.7 8043520.0 7783431.4 1536000.0 578616.5 469 904.504 49 319.780 1224.284
35192.0 267968.0 267968.0 0.0 267968.0 2143872.0 1724725.6 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 49 319.780 1224.284
35195.0 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 50 319.780 1224.284
35198.0 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 50 319.780 1224.284
35201.0 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 50 319.780 1224.284
35204.0 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 50 319.780 1224.284
35207.0 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 50 319.780 1224.284
35210.0 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 50 319.780 1224.284
35213.1 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 50 319.780 1224.284
35216.0 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 50 319.780 1224.284
35219.1 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 50 319.780 1224.284
35222.1 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 50 319.780 1224.284
35225.1 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 50 319.780 1224.284
35228.1 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 50 319.780 1224.284
35231.1 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 50 319.780 1224.284
35234.1 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 50 319.780 1224.284
35237.1 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 50 319.780 1224.284
35240.1 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 50 319.780 1224.284
35243.1 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 50 319.780 1224.284
35246.2 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 50 319.780 1224.284
35249.2 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 50 319.780 1224.284
35252.2 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578619.1 469 904.504 50 319.780 1224.284
35255.2 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578579.7 469 904.504 50 319.780 1224.284
35258.2 267968.0 267968.0 0.0 267968.0 2143872.0 2143872.0 8043520.0 7783431.4 1536000.0 578579.7 469 904.504 50 319.780 1224.284
.... time difference is 66 seconds ...
The output above contains
the size of each survivor space (S0C && S1C),
the utilization of each survivor space (S0U && S1U),
the capacity of eden (EC), the utilization of eden (EU),
the capacity of the old generation (OC), the utilization of the old generation (OU),
the permanent generation capacity (PC), the permanent generation utilization (PU),
the total number of young generation garbage collection events (YGC),
the total amount of time spent collecting objects in the new generation (YGCT),
the total number of old generation garbage collection events that have occurred (FGC),
the total amount of time spent collecting objects in the old generation (FGCT),
and the total time spent performing garbage collection.
old generation changed from 7783431.4 to 2712370.7 (limit is 8043520.0)
old generation reduced by 7783431.4 - 2712370.7 = 5071060.7 (5 Gigs)...
Timestamp S0C S1C S0U S1U EC EU OC OU PC PU YGC YGCT FGC FGCT GCT
35261.2 267968.0 267968.0 0.0 0.0 2143872.0 90238.8 8043520.0 2712370.7 1536000.0 578581.4 469 904.504 50 385.785 1290.289
35264.2 267968.0 267968.0 0.0 0.0 2143872.0 538408.1 8043520.0 2712370.7 1536000.0 578588.9 469 904.504 50 385.785 1290.289
35267.3 267968.0 267968.0 0.0 0.0 2143872.0 866885.7 8043520.0 2712370.7 1536000.0 578588.9 469 904.504 50 385.785 1290.289
35270.6 267968.0 267968.0 0.0 0.0 2143872.0 1130407.5 8043520.0 2712370.7 1536000.0 578588.9 469 904.504 50 385.785 1290.289
35274.0 267968.0 267968.0 0.0 0.0 2143872.0 1390679.5 8043520.0 2712370.7 1536000.0 578588.9 469 904.504 50 385.785 1290.289
35277.1 267968.0 267968.0 0.0 0.0 2143872.0 1566244.4 8043520.0 2712370.7 1536000.0 578589.0 469 904.504 50 385.785 1290.289
35280.2 267968.0 267968.0 0.0 0.0 2143872.0 1787384.6 8043520.0 2712370.7 1536000.0 578589.0 469 904.504 50 385.785 1290.289
35283.3 267968.0 267968.0 0.0 0.0 2143872.0 1975767.7 8043520.0 2712370.7 1536000.0 578589.0 469 904.504 50
and 24 seconds later....eden starting to fill up again...
Cheers

I'm trying to debug/reduce-stop-world-GC times.Put it on a box that you can install whatever you want.
Set the max heap size to be a low value. Start at 500 meg and move it down. You want to get to the point where the app works but where it starts thrashing very soon (with little load.)
Then debug/profile away using appropriate tools.
Once you have an idea, up the max heap on that box, increase the load, and validate the idea.

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One way in which it sort of works: choose one of the Before/After views so you see both the before and after photo, and then swap them back and forth.

How to make an before and after effects?

So, I want to make a video that show the audience this is before and after the edit. And i want to make it look like this YouTube Rewind 2014: Behind the Scenes - YouTube
How to make it?
Thanks:)

Really? You take footage of you shooting the video with another camera then you edit it together with shots of the finished project. If you want to show before and after shots of an effect you just put the original footage on top and animate a mask or opacity to reveal the rendered effect below.
If you can't figure out how to make a before and after then you will have a very difficult time doing any effects using AE because there is absolutely nothing in this before and after but very basic editing and masking.

How to unmarshall list tags/unbounded elements using jax-ws auto generated classes in weblogic 12c

hi
i have a need wherein i need to create/host jax-ws webservice ( starting from wsdl) and in that service translate the xml using xsl to a different structure and call another webservice hosted to another server ( non-weblogic).
so my approach is as soon as request comes to the service impl, i marshal the object to a xml then apply the required xsl transformation and then unmarshal the transformed xml to the object which can be used to trigger another webservice.
This approach works fine for the xmls without list tags/unbounded elements , however it gives marshal exception whenever the xmls has list/unbounded elements.
i am using jaxb and jax-ws generated class for marshalling and unmarshalling.
so need some help on how to deal in this scenario?
any help is appreciated

hi
i have a need wherein i need to create/host jax-ws webservice ( starting from wsdl) and in that service translate the xml using xsl to a different structure and call another webservice hosted to another server ( non-weblogic).
so my approach is as soon as request comes to the service impl, i marshal the object to a xml then apply the required xsl transformation and then unmarshal the transformed xml to the object which can be used to trigger another webservice.
This approach works fine for the xmls without list tags/unbounded elements , however it gives marshal exception whenever the xmls has list/unbounded elements.
i am using jaxb and jax-ws generated class for marshalling and unmarshalling.
so need some help on how to deal in this scenario?
any help is appreciated

How much is iPhone before and after taxes?

how much is iPhone before and after taxes? I am from the Philippines and I am just wondering buying it online with my credit card. i know that it costs $399 for 8GB and $499 for 16GB.

I bought mine day one, so the pricing isn't the same anymore.
As for the one your Aunt buys, she will pay either $399 or $499, depending on model, plus applicable CA sales tax, which I do not know.
Keep in mind that you will not be able to activate your phone in the Philippines in its virgin state. Keep in mind as well that currently there isn't a good way to "devirginize" a 1.1.3 iphone.

How to Run Operating System Command Before/After Message Processing SAP PI

Hi,
We are trying to execute multiple commands via "Operating System Command Before/After Message Processing".
When we use single command say for example cp or mv (copy or move) the commands get executed fine.
eg: cp %F /var/opt/data/outbound/Test/Dummy.txt
/this works fine/
when we club commands together or try to redirect the outputs of commands, none of the commands get executed.
eg:
cp %F /var/opt/data/outbound/Test/Dummy.txt ; rm %F
or
wc -l %F > /var/opt/data/outbound/Test/Dummy.txt
Is it possible to execute multiple commands or redirect the output of commands without using a shell script? The PI server we are working on iis hosted on UNIX environment.

Hi Harleen,
try like this
cp %F /var/opt/data/outbound/Test/Dummy.txt ; rm %F
instead of semicolon try this
(1) &
command1 & command2
Execute Command1 and then execute Command2
(2) &&
command1 && command2
Runs the command2 only when command1 doesn't Complete successfully
(3) ||
command1 || command2
Runs the second command if the first command had an error
(4) ()
(command1 || command2) || (command3 & command4)
Defines the order in which commands are to be executed
Regards
Suraj

How generate class histogram before/after GC (JVM 1.6.0.17 only JRE instal)

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