Can someone explain what my GC is doing here?

We have a Tomcat application that starts up and soon ends up doing nothing but Full GCs.
Java build 1.4.2-b28
JAVA_OPTS="-XX:+PrintGCDetails -XX:-TraceClassUnloading -verbose:gc -XX:+PrintGCTimeStamps -server -ms128m -mx512m -Djava.awt.headless=true"
Here's a snapshot of the GC messages:
3763.189: [GC 3763.189: [DefNew: 164480K->164480K(169600K), 0.0000477 secs]3763.189: [Tenured: 224835K->234198K(349568K), 7.1295042 secs] 389315K->234198K(519168K), 7.1299718 secs]
3797.932: [GC 3797.932: [DefNew: 164480K->164480K(169600K), 0.0000627 secs]3797.932: [Tenured: 234198K->213404K(349568K), 9.9411877 secs] 398678K->213404K(519168K), 9.9416814 secs]
3812.581: [GC 3812.581: [DefNew: 164480K->164480K(169600K), 0.0000565 secs]3812.581: [Tenured: 213404K->222265K(349568K), 6.5605187 secs] 377884K->222265K(519168K), 6.5609745 secs]
3825.311: [GC 3825.311: [DefNew: 164480K->164480K(169600K), 0.0000552 secs]3825.312: [Tenured: 222265K->223176K(349568K), 7.2857512 secs] 386745K->223176K(519168K), 7.2862375 secs]
3840.347: [GC 3840.347: [DefNew: 164480K->164480K(169600K), 0.0000531 secs]3840.348: [Tenured: 223176K->231956K(349568K), 7.2114165 secs] 387656K->231956K(519168K), 7.2118540 secs]
3863.643: [GC 3863.644: [DefNew: 164480K->164480K(169600K), 0.0000436 secs]3863.644: [Tenured: 231956K->226878K(349568K), 9.1507566 secs] 396436K->226878K(519168K), 9.1511355 secs]
3932.556: [GC 3932.556: [DefNew: 164480K->164480K(169600K), 0.0000452 secs]3932.556: [Tenured: 226878K->231426K(349568K), 8.2257418 secs] 391358K->231426K(519168K), 8.2261586 secs]
3948.090: [GC 3948.090: [DefNew: 164480K->164480K(169600K), 0.0000917 secs]3948.091: [Tenured: 231426K->242666K(349568K), 7.5205790 secs] 395906K->242666K(519168K), 7.5214889 secs]
The way I read the last one is:
a) I have 164Mb in my New (Eden?) section.
b) I have 349Mb virtually allocated for my Tenured, and it expanded from 231426 to 242666
c) All said, I collected ~153MB during that sweep.
My understanding is that when the heap is GC'd, it copies the objects from the Eden and the first survivor space to the second survivor space, but anything that doesn't fit in the second survivor space gets dumped into the Tenured space.
At the end of the GC, the Eden space should have only a survivor space filled with data, the Eden is empty, the other survivor is empty (and ready for the next GC), and any excess is in the Tenured.
Ideally, you continue this cycle until Tenured fills up, at which point a deeper, "full" GC is triggered, cleaning out Tenured. At the end of a Full GC, you should have one Survivor space filled with data, an empty Eden, the other Surivior empty, and the Tenured area ideally reduced.
If the ratio of free space in Tenured is too low, the GC expands the Tenured space in anticipation of Next time.
Is this correct?
So, my question here is why am I never seeing simply the basic Eden GCs, rather it's always GCing Tenured? Would playing with the ratios help here? It's production, so I can't bounce the machine willy nilly play with parameters, and unfortunately I haven't found a good way to duplicate the behavior on my workstation.
Any insight would be greatly appreciated.

Yes, the Dropbox app is capable of playing some media.

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Can someone tell what I have done wrong here trying to pass strings to a

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// Thomas Klooz
// October 10, 2008
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this is the code that is important
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you really are way too low on memory, but that is not the issue.
all the other hard drives need to be pulled except one.
bumbing is sort of like there are only so many people likely to read and try to help. give us a couple hours or more.
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Mac 101: Using Windows on your Mac via Boot Camp
https://support.apple.com/kb/HT1461
http://www.apple.com/support/bootcamp/
Helpful Apple Support Resources (Forum Overview)
Boot Camp Support
Boot Camp Manuals
For Windows 7: http://windows.microsoft.com/systemrequirements
For Windows 8: http://windows.microsoft.com/en-US/windows-8/system-requirements
Learn more about how Mac computers can run Windows 8 using Boot Camp 5.
http://support.apple.com/kb/HT5628
Products Affected
Boot Camp, Windows 8
General installation questions
What is Boot Camp 5?
Boot Camp 5 is not a release of OS X software. Rather, it is a release of the Windows Support Software (drivers). You will need to use this software on your Mac with Windows 8 or Windows 7. For more information on Boot Camp 5, see thttp://support.apple.com/kb/HT5639
Which Macs support Windows 8?
MacBook Air (Mid 2011 or newer)
MacBook Pro (Mid 2010 or newer)
Mac Pro (Early 2009 or newer)
Mac Mini (Mid 2011 or newer)
iMac (27-inch, Mid 2010 or Mid 2011 or newer)
For more information, see this article. What are the System Requirements for Windows 8?
Please see this article.
How can I install Windows 8 on an eligible computer?
Use the Boot Camp Assistant. The assistant will partition your internal hard drives and install Windows 8. For more information on Windows 8 installation, see the Boot Camp Installation & Setup Guide.
Can I use an upgrade from Windows 7 to Windows 8?
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When I do an upgrade install from Windows 7 to Windows 8, an "Uninstall USB 3.0 eXtensible Host Controller Driver" message appears. What do I do?
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After upgrading from Windows 7 to Windows 8, Thunderbolt devices are (not) being recognized when I connect in. How do I fix this?
Disable the Windows 8 Fast Boot feature to allow Thunderbolt devices to be recognized. See Boot Camp: Thunderbolt devices not recognized after Windows 8 upgrade for instructions.
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http://support.apple.com/kb/DL1638
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The download file is a .zip file. Double click it to uncompress it.
Double-click the Boot Camp disk image.
Copy the Boot Camp and "$WinPEDriver$" folders to the root level of a USB flash drive or hard drive that is formatted with the FAT file system (see question below for steps on how to format).
Install Windows, leaving the flash or hard drive attached to the USB port of your Mac.
Installation of the drivers can take a few minutes. Don't interrupt the installation process. A completion dialog box will appear when everything is installed. Click Finish when the dialog appears.
When your system restarts your Windows 8 installation is done.
Note: If the flash drive or hard drive was not attached when you installed Windows and was inserted after restarting into Windows 8, double-click the Boot Camp folder, then locate and double click the "setup.exe" file to start the installation of the Boot Camp 5 Support Software. How do I format USB media to the FAT file system?
Use Disk Utility to format a disk to use with a Windows computer. Here's how:
Important: Formatting a disk erases all the files on it. Copy any files you want to save to another disk before formatting the disk.
Open Disk Utility.
Select the disk you want to format for use with Windows computers.
Click Erase, and choose one of the following from the Format pop-up menu:
If the size of the disk is 32 GB or less, choose MS-DOS (FAT).
If the size of the disk is over 32 GB, choose ExFAT.
Type a name for the disk. The maximum length is 11 characters.
Click the Erase button and then click Erase again.
Which versions of Windows are supported with Boot Camp 5?
64-bit versions of Windows 8 and Windows 7 are supported using the Boot Camp 5 Support Software. If you need to use a 32-bit version, you need to use Boot Camp 4 Support Software, and you must use Windows 7. 32-bit versions of Windows 8 are not supported via Boot Camp. For a complete list of Windows OS support,

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Anonymous UUID: CF401590-1A3C-749E-F045-F2498CA51C2F
Tue Nov 18 18:41:14 2014
*** Panic Report ***
panic(cpu 0 caller 0xffffff8025a1e80a): Kernel trap at 0xffffff8132a4b870, type 14=page fault, registers:
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R12: 0x0000000025000000, R13: 0x0000000000000200, R14: 0xffffffef00000000, R15: 0x0000000000000011
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Backtrace (CPU 0), Frame : Return Address
0xffffff8132a4b240 : 0xffffff802593a811
0xffffff8132a4b2c0 : 0xffffff8025a1e80a
0xffffff8132a4b480 : 0xffffff8025a3a443
0xffffff8132a4b4a0 : 0xffffff8132a4b870
BSD process name corresponding to current thread: savapi
Mac OS version:
14A389
Kernel version:
Darwin Kernel Version 14.0.0: Fri Sep 19 00:26:44 PDT 2014; root:xnu-2782.1.97~2/RELEASE_X86_64
Kernel UUID: 89E10306-BC78-3A3B-955C-7C4922577E61
Kernel slide: 0x0000000025600000
Kernel text base: 0xffffff8025800000
__HIB text base: 0xffffff8025700000
System model name: MacBookPro9,2 (Mac-6F01561E16C75D06)
System uptime in nanoseconds: 7026664466086
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com.apple.iokit.SCSITaskUserClient 3.7.0
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com.apple.iokit.IOAHCIBlockStorage 2.6.5
com.apple.iokit.AppleBCM5701Ethernet 10.1.2b3
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com.apple.nke.applicationfirewall 161
com.apple.security.quarantine 3
com.apple.security.TMSafetyNet 8
com.apple.driver.AppleIntelCPUPowerManagement 218.0.0
com.apple.kext.triggers 1.0
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com.apple.driver.DspFuncLib 266.5
com.apple.kext.OSvKernDSPLib 1.15
com.apple.iokit.IOAudioFamily 200.6
com.apple.vecLib.kext 1.2.0
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com.apple.iokit.IOHDAFamily 266.5
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com.apple.driver.X86PlatformPlugin 1.0.0
com.apple.driver.AppleSMBusController 1.0.13d1
com.apple.iokit.IOBluetoothHostControllerUSBTransport 4.3.0f10
com.apple.iokit.IOBluetoothFamily 4.3.0f10
com.apple.iokit.IOUSBUserClient 705.4.0
com.apple.iokit.IOFireWireIP 2.2.6
com.apple.iokit.IOSurface 97
com.apple.iokit.IOAcceleratorFamily2 156.4
com.apple.AppleGraphicsDeviceControl 3.7.21
com.apple.driver.AppleBacklightExpert 1.1.0
com.apple.iokit.IONDRVSupport 2.4.1
com.apple.iokit.IOGraphicsFamily 2.4.1
com.apple.driver.IOPlatformPluginFamily 5.8.0d49
com.apple.driver.AppleSMC 3.1.9
com.apple.driver.AppleUSBMultitouch 245.2
com.apple.iokit.IOUSBHIDDriver 705.4.0
com.apple.driver.AppleUSBMergeNub 705.4.0
com.apple.driver.AppleUSBComposite 705.4.9
com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.7.0
com.apple.iokit.IOBDStorageFamily 1.7
com.apple.iokit.IODVDStorageFamily 1.7.1
com.apple.iokit.IOCDStorageFamily 1.7.1
com.apple.driver.AppleThunderboltDPInAdapter 4.0.6
com.apple.driver.AppleThunderboltDPAdapterFamily 4.0.6
com.apple.driver.AppleThunderboltPCIDownAdapter 2.0.2
com.apple.iokit.IOAHCISerialATAPI 2.6.1
com.apple.iokit.IOSCSIArchitectureModelFamily 3.7.0
com.apple.driver.AppleThunderboltNHI 3.1.7
com.apple.iokit.IOThunderboltFamily 4.2.1
com.apple.iokit.IOEthernetAVBController 1.0.3b3
com.apple.iokit.IOFireWireFamily 4.5.6
com.apple.iokit.IO80211Family 700.52
com.apple.driver.mDNSOffloadUserClient 1.0.1b8
com.apple.iokit.IONetworkingFamily 3.2
com.apple.iokit.IOAHCIFamily 2.7.0
com.apple.iokit.IOUSBFamily 705.4.14
com.apple.driver.AppleEFINVRAM 2.0
com.apple.driver.AppleEFIRuntime 2.0
com.apple.iokit.IOHIDFamily 2.0.0
com.apple.iokit.IOSMBusFamily 1.1
com.apple.security.sandbox 300.0
com.apple.kext.AppleMatch 1.0.0d1
com.apple.driver.AppleKeyStore 2
com.apple.driver.AppleMobileFileIntegrity 1.0.5
com.apple.driver.AppleCredentialManager 1.0
com.apple.driver.DiskImages 389.1
com.apple.iokit.IOStorageFamily 2.0
com.apple.iokit.IOReportFamily 31
com.apple.driver.AppleFDEKeyStore 28.30
com.apple.driver.AppleACPIPlatform 3.1
com.apple.iokit.IOPCIFamily 2.9
com.apple.iokit.IOACPIFamily 1.4
com.apple.kec.Libm 1
com.apple.kec.pthread 1
com.apple.kec.corecrypto 1.0
Model: MacBookPro9,2, BootROM MBP91.00D3.B08, 2 processors, Intel Core i7, 2.9 GHz, 8 GB, SMC 2.2f41
Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54333531533643465238432D50422020
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54333531533643465238432D50422020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xF5), Broadcom BCM43xx 1.0 (7.15.124.12.8)
Bluetooth: Version 4.3.0f10 14890, 3 services, 19 devices, 1 incoming serial ports
Serial ATA Device: APPLE HDD TOSHIBA MK7559GSXF, 750.16 GB
Serial ATA Device: HL-DT-ST DVDRW GS31N
USB Device: USB Receiver
USB Device: Hub
USB Device: FaceTime HD Camera (Built-in)
USB Device: Hub
USB Device: Hub
USB Device: BRCM20702 Hub
USB Device: Bluetooth USB Host Controller
USB Device: IR Receiver
USB Device: Apple Internal Keyboard / Trackpad
Thunderbolt Bus: MacBook Pro, Apple Inc., 25.1

You have the MacBookPro6,2—the Edsel of Macs. It may have the logic-board defect that was covered by a recall program that has now ended.
Residents of the EU may be entitled to warranty service for up to six years after purchase.
Make a "Genius" appointment at an Apple Store, or go to another authorized service provider, to have the machine tested. The routine hardware diagnostics used by service providers do not detect the fault. There is a specific test for this issue that Apple calls "VST" (for "Video Switching Test.") Ask for it. A "Failed" result means that the fault is present.
You may be quoted a price of about $300 (in the U.S.) for a "depot repair," which involves shipping the unit to a central repair facility and takes about two weeks. For that flat fee, anything found wrong with it should be fixed, not just the logic board.
Sometimes the replacement part is also defective, so be prepared for that possibility. If you decide to pay for a new logic board, test thoroughly during the 90-day warranty period on the repair. Some owners have reported that they went through as many as three replacement boards before getting one that worked.
If you don't want to pay for the repair, you may (or may not) be able to work around the problem by disabling automatic graphics switching. To use the discrete graphics processor, you'll need a third-party utility to switch to it manually.
Often the problems start after an OS upgrade. If the upgrade was recent, and you have backups, then you can revert to a previous OS X version.

Can someone explain what Automater is to me, in simple terms?

Hi, anyone out there wanna explain what Automater is for what it does etc.
Thanks in advance
Tracy

Hi Tracy
Launch Automator and select "Help Viewer Help?" from the Help Menu. One of the things you'll see listed there is:
*+Discover Automator+*
+Create time-saving automations without programming a single line of code.+
I'm currently on a mac running 10.4 but I can't see it being that different for 10.5? If you click on the link you get this explanation:
+Automator is an innovative personal automation assistant that makes it easy to automate repetitive tasks. Automator lets you skip the complex programming and scripting that is normally required to create automations. Individual steps called actions can be assembled into a complete task by dragging actions into an Automator workflow. You can run your completed workflows repeatedly, and even share them with others.+
If you scroll down that help page there are more explanations and examples. Is that simple enough for you?
Tony

Bluetooth: can someone explain what you can do with it?

On the iPhone, is bluetooth only for pairing with a BT headset? no data transferring/receiving whatsoever with a powerbook? if so, has Apple gone mad?
thanks

It is easier to explain what it cannot do.
• it does not support OBEX file exchanges
• it does not support DUN connections via Bluetooth to connect your computer through it to the internet
• it does not synchronize contact, events or media files
Support for synchronization and file transfer it available only via USB through iTunes 7.3 or later.

Can someone explain what "gfx-surface-win32" is in about:memory?

I have an extension that causes "gfx-surface-win32" in about:memory to use excessive amounts of memory. I have tried to contact the developer of the extension without any success. I was going to try and see if I could fix it but I can figure out what "gfx-surface-win32" is. Can some please explain what this is?

It's a graphics memory usage. The only solution I see is to [[How do I upgrade my graphics drivers?|update your graphics drivers]] because it's not recommended to change an extension you are not going to maintain.
Note that in Firefox 15 (released on August 28), leaky extensions won't leak in Firefox. See [http://blog.kylehuey.com/post/21892343371/fixing-the-memory-leak Kyle Huey's blog post].

Hi can someone explain what the following error code mean and how i can recifty to download a copy of ebook purchase Error getting License. License Server Communication Problem: E_ACT_NOT_READY

Hi can any one help
I keep getting the following error code when I try and down a ebook which I have purchase
Error getting License. License Server Communication Problem:
E_ACT_NOT_READY
can someone advise me what this means and how I recifty the problem to enable me to read the ebook purchase?
Thanks

I am having this exact issue. I just downloaded a book and went to open it and got this exact problem.
I purchased he book through indigo/kobo edition and paid for it and immediately went to open it and am getting the same error
Error getting License. License Server Communication Problem only mine says Bad Device key after.
Not sure why someone has not answered this question yet...i am using windows 7 and this is how i always do it. Never had this problem before when purchasing a book.
i hope someone answers this soon.

Can someone explain what exactly is involved when it comes to Time Machine snapshots?

Can someone give me a brief and succint description and tutorial on how Time Machine snapshots work?
I use Time Machine (on Mac OS X obviously, ML 10.8.4) to backup my HD onto a separate external drive at least once a week.
However, like so many other users I'm online in a variety of places so most of the time (about 99%) my laptop isn't able to be connected to the external designated for HD backups and I've heard and read that the application Time Machine can use "snapshots" to create temporary backups to hold until you've connected your external the next time.
I wonder how that works?
How do I go about setting up this snapshot option so that my laptop can be regularly backing up my files without me having to be tethered to the external at the same time?
Won't that fill up my entire drive due to virtual memory or sleepimage or swapfiles or something along those lines?
And last but certainly not least, how can the user take use of this option but also prevent the TM snapshots from hogging every availabe byte of memory.

Read > http://pondini.org/TM/30.html
CS7981 wrote:
However, like so many other users I'm online in a variety of places so most of the time (about 99%) my laptop isn't able to be connected to the external designated for HD backups and I've heard and read that the application Time Machine can use "snapshots" to create temporary backups to hold until you've connected your external the next time.
I wonder how that works?
That's how it works.
CS7981 wrote:
How do I go about setting up this snapshot option so that my laptop can be regularly backing up my files without me having to be tethered to the external at the same time?
Local snapshots are made automatically in portable Macs with OS X Lion or Mountain Lion. Simply disconnect the Time Machine drive from your Mac and your Mac will start making local snapshots.
CS7981 wrote:
Won't that fill up my entire drive due to virtual memory or sleepimage or swapfiles or something along those lines?
These snapshots are stored in the hard drive and they consume a lot of space, as they are backing up the whole hard drive. A lot of users complain about the space they take, but in general, you don't have to worry. See below.
CS7981 wrote:
And last but certainly not least, how can the user take use of this option but also prevent the TM snapshots from hogging every availabe byte of memory.
Local snpashots will be deleted automatically when the hard drive is full, so don't worry about it. If you want to remove them, simply open System Preferences > Time Machine, and turn it off. Leave it for some minutes or hours, and turn on Time Machine again, but there's no reason to do that

Can someone explain what this is?:S

Hey guys,
Again sorry to be so vague in the question but i have no idea what i am dealing with here.
http://quicktake.morningstar.com/stocknet/secdocuments.aspx?symbol=ko
On this site page i wanted the data you will see underneath the data i wanted to curl and obtain through html parsing.
The data is: the effective dates when the coca cola english annual reports were released, also the ones from 1 to 5.
However i couldnt find the dates anywhere in the html of the page. I would like to know if there is a way to get this data?:)
Thank you so much in advance and ask me if there is anything i need to clarify further:)

The problem is that the page <http://quicktake.morningstar.com/stocknet/secdocuments.aspx?symbol=ko> builds the layout by pulling in data from additional http://... pages.
That is to say, the page you see is dynamically built from dozens of other pages. The information you want is on one (or more) of those other pages.

Can someone explain what my GC is doing here?

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