Continued GC while memory not full
Encounter one issue about out of memory, server continued trigger gc and full gc while the memory is less used, eapesicially the [young]. Please help.Also, what is the theory to trigger gc?Many thanks.
Not calling System.gc(). Performing 10 VU's test. Not reproduced.
**The server parameter*:* -server -Xms512M -Xmx512M -verbose:gc -XX:PermSize=64M -XX:MaxPermSize=64M.
The log:
25185.728: [GC 25185.728: [DefNew: 163242K->163242K(169600K), 0.0000587 secs]25185.728: [Tenured: 234502K->252491K(349568K), 1.3021262 secs] 397745K->252491K(519168K), 1.3029282 secs]
Total time for which application threads were stopped: 1.3040612 seconds
Application time: 23.7854558 seconds
25210.819: [GC 25210.820: [DefNew: 86804K->1788K(169600K), 0.0486894 secs]25210.868: [Tenured: 266146K->241318K(349568K), 1.2399896 secs] 339295K->241318K(519168K), 1.2888920 secs]
25212.108: [Full GC 25212.109: [Tenured[Unloading class sun.reflect.GeneratedConstructorAccessor314]
[Unloading class sun.reflect.GeneratedMethodAccessor759]
[Unloading class sun.reflect.GeneratedConstructorAccessor315]
[Unloading class sun.reflect.GeneratedConstructorAccessor268]
[Unloading class sun.reflect.GeneratedConstructorAccessor269]
[Unloading class sun.reflect.GeneratedConstructorAccessor316]
[Unloading class sun.reflect.GeneratedConstructorAccessor313]
: 241318K->226997K(349568K), 1.5769614 secs] 241318K->226997K(519168K), [Perm : 27510K->27498K(65536K)], 1.5771121 secs]
Total time for which application threads were stopped: 2.8672106 seconds
Application time: 0.0086622 seconds
25213.699: [GC 25213.699: [DefNew: 756K->82K(169600K), 0.0078670 secs]25213.707: [Tenured[Unloading class sun.reflect.GeneratedConstructorAccessor274]
: 226997K->221430K(349568K), 2.0173917 secs] 227753K->221430K(519168K), 2.0254397 secs]
25215.724: [Full GC 25215.724: [Tenured: 221430K->221422K(349568K), 1.2257687 secs] 221430K->221422K(519168K), [Perm : 27496K->27496K(65536K)], 1.2259138 secs]
Total time for which application threads were stopped: 3.2556802 seconds
Application time: 21.5991046 seconds
25238.563: [GC 25238.563: [DefNew: 18728K->296K(169600K), 0.0169044 secs]25238.580: [Tenured: 221422K->221605K(349568K), 1.3133015 secs] 240150K->221605K(519168K), 1.3303972 secs]
25239.893: [Full GC 25239.894: [Tenured: 221605K->220330K(349568K), 1.2038988 secs] 221605K->220330K(519168K), [Perm : 27497K->27497K(65536K)], 1.2040751 secs]
Total time for which application threads were stopped: 2.5488005 seconds
Application time: 0.0188518 seconds
25241.130: [GC 25241.130: [DefNew: 1990K->59K(169600K), 0.0071533 secs]25241.137: [Tenured: 220330K->220344K(349568K), 1.2219109 secs] 222321K->220344K(519168K), 1.2292561 secs]
25242.359: [Full GC 25242.359: [Tenured: 220344K->220335K(349568K), 1.2026312 secs] 220344K->220335K(519168K), [Perm : 27497K->27497K(65536K)], 1.2027791 secs]
Total time for which application threads were stopped: 2.4439904 seconds
Application time: 24.2665427 seconds
25267.833: [GC 25267.833: [DefNew: 24971K->255K(169600K), 0.0081354 secs]25267.841: [Tenured: 220335K->220542K(349568K), 1.2416907 secs] 245306K->220542K(519168K), 1.2500197 secs]
25269.083: [Full GC 25269.083: [Tenured: 220542K->220317K(349568K), 1.2465385 secs] 220542K->220317K(519168K), [Perm : 27497K->27497K(65536K)], 1.2466957 secs]
Total time for which application threads were stopped: 2.5006234 seconds
Application time: 9.1710434 seconds
25279.513: [GC 25279.513: [DefNew: 11184K->124K(169600K), 0.0191095 secs]25279.532: [Tenured: 220317K->220247K(349568K), 1.2142263 secs] 231502K->220247K(519168K), 1.2335457 secs]
25280.746: [Full GC 25280.746: [Tenured: 220247K->220237K(349568K), 1.2042132 secs] 220247K->220237K(519168K), [Perm : 27497K->27497K(65536K)], 1.2043556 secs]
Total time for which application threads were stopped: 2.4500521 seconds
Application time: 28.5731236 seconds
25310.536: [GC 25310.536: [DefNew: 20905K->185K(169600K), 0.0174417 secs]25310.554: [Tenured: 220237K->220422K(349568K), 1.2108142 secs] 241142K->220422K(519168K), 1.2284657 secs]
25311.765: [Full GC 25311.765: [Tenured: 220422K->220264K(349568K), 1.2223217 secs] 220422K->220264K(519168K), [Perm : 27497K->27497K(65536K)], 1.2224701 secs]
Total time for which application threads were stopped: 2.4631855 seconds
Application time: 0.0368244 seconds
25313.039: [GC 25313.039: [DefNew: 2421K->91K(169600K), 0.0079322 secs]25313.047: [Tenured: 220264K->220182K(349568K), 1.3464051 secs] 222685K->220182K(519168K), 1.3545552 secs]
25314.393: [Full GC 25314.394: [Tenured: 220182K->220172K(349568K), 1.2893013 secs] 220182K->220172K(519168K), [Perm : 27497K->27497K(65536K)], 1.2894685 secs]
Total time for which application threads were stopped: 2.6585330 seconds
Application time: 45.1138619 seconds
25360.803: [GC 25360.803: [DefNew: 29023K->222K(169600K), 0.0078027 secs]25360.811: [Tenured: 220172K->220388K(349568K), 1.2135921 secs] 249195K->220388K(519168K), 1.2215896 secs]
25362.025: [Full GC 25362.025: [Tenured: 220388K->220294K(349568K), 1.1972240 secs] 220388K->220294K(519168K), [Perm : 27497K->27497K(65536K)], 1.1973704 secs]
Total time for which application threads were stopped: 2.4229267 seconds
Application time: 31.0328978 seconds
25394.270: [GC 25394.270: [DefNew: 19657K->162K(169600K), 0.0088962 secs]25394.279: [Tenured: 220294K->220251K(349568K), 1.3206682 secs] 239951K->220251K(519168K), 1.3297797 secs]
25395.599: [Full GC 25395.600: [Tenured: 220251K->220241K(349568K), 1.1989645 secs] 220251K->220241K(519168K), [Perm : 27497K->27497K(65536K)], 1.1991104 secs]
Total time for which application threads were stopped: 2.5428534 seconds
Application time: 92.3087423 seconds
25489.129: [GC 25489.130: [DefNew: 54368K->315K(169600K), 0.0116064 secs]25489.141: [Tenured: 220241K->220556K(349568K), 1.5860020 secs] 274610K->220556K(519168K), 1.5978559 secs]
25490.727: [Full GC 25490.728: [Tenured: 220556K->220393K(349568K), 1.7381398 secs] 220556K->220393K(519168K), [Perm : 27497K->27497K(65536K)], 1.7382875 secs]
Total time for which application threads were stopped: 3.3583027 seconds
Application time: 5.9312480 seconds
25498.413: [GC 25498.413: [DefNew: 5241K->93K(169600K), 0.0172377 secs]25498.430: [Tenured: 220393K->220184K(349568K), 1.2922102 secs] 225635K->220184K(519168K), 1.3096568 secs]
25499.722: [Full GC 25499.722: [Tenured: 220184K->220175K(349568K), 1.1997437 secs] 220184K->220175K(519168K), [Perm : 27497K->27497K(65536K)], 1.1999031 secs]
Total time for which application threads were stopped: 2.5211851 seconds
Application time: 30.6028562 seconds
25531.528: [GC 25531.528: [DefNew: 17776K->156K(169600K), 0.0171998 secs]25531.545: [Tenured: 220175K->220330K(349568K), 1.2259878 secs] 237951K->220330K(519168K), 1.2433891 secs]
25532.771: [Full GC 25532.771: [Tenured: 220330K->220239K(349568K), 1.6592153 secs] 220330K->220239K(519168K), [Perm : 27499K->27498K(65536K)], 1.6593672 secs]
Total time for which application threads were stopped: 2.9038367 seconds
Application time: 60.4048509 seconds
25594.836: [GC 25594.837: [DefNew: 33874K->231K(169600K), 0.0168536 secs]25594.853: [Tenured: 220239K->220323K(349568K), 1.2180811 secs] 254113K->220323K(519168K), 1.2351280 secs]
25596.072: [Full GC 25596.072: [Tenured: 220323K->220313K(349568K), 1.2081214 secs] 220323K->220313K(519168K), [Perm : 27498K->27498K(65536K)], 1.2082667 secs]
Total time for which application threads were stopped: 2.4445252 seconds
Application time: 197.3583592 seconds
25794.639: [GC 25794.640: [DefNew: 106524K->606K(169600K), 0.0115235 secs]25794.651: [Tenured: 220313K->220918K(349568K), 1.2305807 secs] 326837K->220918K(519168K), 1.2423031 secs]
25795.882: [Full GC 25795.882: [Tenured: 220918K->220684K(349568K), 1.4731407 secs] 220918K->220684K(519168K), [Perm : 27499K->27498K(65536K)], 1.4732974 secs]
Total time for which application threads were stopped: 2.7168052 seconds
Application time: 164.9563502 seconds
25962.313: [GC 25962.313: [DefNew: 82927K->507K(169600K), 0.0091128 secs]25962.322: [Tenured: 220684K->220600K(349568K), 1.2012755 secs] 303612K->220600K(519168K), 1.2105846 secs]
25963.523: [Full GC 25963.524: [Tenured: 220600K->220590K(349568K), 1.2976048 secs] 220600K->220590K(519168K), [Perm : 27498K->27498K(65536K)], 1.2977544 secs]
Total time for which application threads were stopped: 2.5095478 seconds
Application time: 318.2895362 seconds
26283.112: [GC 26283.112: [DefNew: 164480K->164480K(169600K), 0.0000494 secs]26283.112: [Tenured: 220590K->221495K(349568K), 1.3880562 secs] 385070K->221495K(519168K), 1.3883772 secs]
Total time for which application threads were stopped: 1.3895031 seconds
Application time: 318.6411712 seconds
26603.143: [GC 26603.143: [DefNew: 164480K->164480K(169600K), 0.0000486 secs]26603.143: [Tenured: 221495K->222391K(349568K), 1.3624147 secs] 385975K->222391K(519168K), 1.3626644 secs]
Total time for which application threads were stopped: 1.3641826 seconds
Application time: 318.5726610 seconds
26923.080: [GC 26923.080: [DefNew: 164480K->164480K(169600K), 0.0000489 secs]26923.080: [Tenured: 222391K->221000K(349568K), 1.3836587 secs] 386871K->221000K(519168K), 1.3839017 secs]
Total time for which application threads were stopped: 1.3854997 seconds
Application time: 319.1556307 seconds
27243.621: [GC 27243.621: [DefNew: 164480K->164480K(169600K), 0.0000463 secs]27243.621: [Tenured: 221000K->221899K(349568K), 1.7850120 secs] 385480K->221899K(519168K), 1.7852453 secs]
Total time for which application threads were stopped: 1.7865089 seconds
Application time: 318.6705844 seconds
27564.079: [GC 27564.079: [DefNew: 164480K->164480K(169600K), 0.0000428 secs]27564.079: [Tenured: 221899K->222801K(349568K), 1.5890202 secs] 386379K->222801K(519168K), 1.5892684 secs]
Total time for which application threads were stopped: 1.5909515 seconds
Application time: 318.5994769 seconds
27884.269: [GC 27884.269: [DefNew: 164480K->164480K(169600K), 0.0000471 secs]27884.269: [Tenured: 222801K->223693K(349568K), 1.6433190 secs] 387281K->223693K(519168K), 1.6435445 secs]
Total time for which application threads were stopped: 1.6447412 seconds
Application time: 94.5616049 seconds
27980.476: [GC 27980.476: [DefNew: 51783K->327K(169600K), 0.0179721 secs]27980.494: [Tenured: 223693K->220424K(349568K), 1.2211616 secs] 275476K->220424K(519168K), 1.2393261 secs]
27981.715: [Full GC 27981.715: [Tenured: 220424K->220413K(349568K), 1.2103792 secs] 220424K->220413K(519168K), [Perm : 27498K->27498K(65536K)], 1.2105386 secs]
Total time for which application threads were stopped: 2.4509644 seconds
Application time: 32.3719363 seconds
28015.299: [GC 28015.299: [DefNew: 18543K->164K(169600K), 0.0073310 secs]28015.306: [Tenured: 220413K->220577K(349568K), 1.2056721 secs] 238957K->220577K(519168K), 1.2131937 secs]
28016.512: [Full GC 28016.512: [Tenured: 220577K->220252K(349568K), 1.2023572 secs] 220577K->220252K(519168K), [Perm : 27499K->27498K(65536K)], 1.2025188 secs]
Total time for which application threads were stopped: 2.4167372 seconds
08/01/03 17:32:28 Stop process
1.) This is a cross post_ -> openjdk-gc mailing list. If you need professional help buy a cupport contract by SUN!
2.) Are you using RMI or Direct-ByteBuffers? Does it also happen if you specify the disable explicitGc option?
lg Clemens
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Database Sizes
Total Size: 20855.9K
Address Book - Default: 28/11.0K
Application Permissions: 1/0.1K
Attachment Data: 0/0.0K
Attachment Data - Calendar: 0/0.0K
Browser Bookmarks: 8/2.8K
Browser Cache: 1/6.6K
Browser Channels: 0/0.0K
Browser Folders: 2/0.1K
Browser Messages: 0/0.0K
Calendar - BlackBerry Calendar: 20/10.8K
Calendar - Default: 20/10.8K
Categories: 2/0.2K
Content Store: 116/5354.5K
Enterprise Configuration: 0/0.0K
External Bookmarks: 0/0.0K
File Explorer Network Favorites: 0/0.0K
File Explorer Network History: 0/0.0K
FM Radio Presets: 0/0.0K
Folders: 0/0.0K
Memos: 17/17.5K
Messages: 0/0.0K
MMS Messages: 53/9239.3K
Phone Call Logs: 11/3.5K
Phone History: 10/2.5K
PIN Messages: 0/0.0K
RMS Databases: 5/2.3K
Saved Email Messages: 0/0.0K
Searches: 7/1.7K
SMS Messages: 10619/6177.6K
Tasks: 1/0.8K
Text Messages: 14/12.6K
WAP Push Messages: 0/0.0K
Web Search Engines: 0/0.0K
Word Substitution: 3/0.1K
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For instance the best choice would be to move some movies out of your Movies folder to another MoviesExtra folder on the ExtraStorage#1 drive.
Movies take a LOT of drive space and you can always copy them on or off, or watch them from the ExtraStorage#1 drive as well. But if your going to do this a lot, you should consider getting a Firewire 800/400, USB 3,2,1 combination drive as Firewire 800 is fastest and decently priced (Thunderbolt is very high priced and overkill at this time)
The other things like Documents are quite small, Pictures can take a lot of space if you have a lot, but if you need them on the internal drive then that's better. Music one tends to use a lot or manage playlists and such, but perhaps some music you may which to move off or "prune", I suggest always burning data DVD's of music especially for extra backups.
Once you have freed some room on the internal drive, this liitle neat program will show you what is taking the largest amount of space on your internal drive.
http://grandperspectiv.sourceforge.net/
After a scan, right click on the big squares to "revel in Finder" to show you what's taking the largest amount of space, be warned it also opens up hidden system files and folders, which you won't be able to move. So concentrate on what's inthe Users folder.
Likely if you have a lot of Movies this is the biggest culprit on most standard internal hard drives. Also if you have something in iTunes that's auto-downloading something like PodCasts and not deleting the older ones and you forget. So go there and fix things and that can free up drive space.
If you bought a small SSD with your new Mac, then the price of that SSD has come back to haunt you with low storage space, you will have to think carefully what you can live without on the internal drive.
Once you have slimmed things down, TimeMachine will update to reflect your slimmer internal drive. What this means is there is only one copy of your data on the ExtraStorage#1 drive.
You need to maintain two copies of your data at all times on seperate hardware, so now you need ANOTHER storage drive (ExtraStorage#2) to copy everythinng of ExtraStorage#1, or else if you drop or have a mechanical problem with ES#1 all that data will be gone!
If you wish to learn more then I suggest reading these two links
https://discussions.apple.com/message/16276201#16276201
http://pondini.org/OSX/Home.html -
Firefox is continuously "connecting" while I am on the web. It does not matter what site I am on but it keeps connecting (wheel spinning) every 10 seconds or so. Like it is reloading the page. The page does not go away, but it is driving me crazy as it did not used to do this. I did download a free trial of WordPerfect, but it was not what I was looking for and deleted it. I also reinstalled Firefox, so I am not sure what is going on. Help Please! I have a Windows 7 Sony Vaio computer. I ran the virus check a couple of times and it came up okay.
It is possible that your security software (firewall, anti-virus) blocks or restricts Firefox or the plugin-container process without informing you, possibly after detecting changes (update) to the Firefox program.
Remove all rules for Firefox and the plugin-container from the permissions list in the firewall and let your firewall ask again for permission to get full unrestricted access to internet for Firefox and the plugin-container process and the updater process.
See:
*https://support.mozilla.org/kb/Server+not+found
*https://support.mozilla.org/kb/Firewalls
*https://support.mozilla.org/kb/fix-problems-connecting-websites-after-updating -
I am using SE to export 4 channels of 1M samples. It works OK on the first gourp of 5 but I got a "LabView memory is full" error while less than 1Gb of memory is alocated.
VI "csd_subDataTypeAsyncInvokeC,nd.vi:1" was stopped at node "" At a call to "csd_mxwCopyStringToClipboard.vi:2"
System is using 59% of 8GB. There should be plenty of ram for this. This was the 6th export. It acts l.ike the memory is not being released from the previous export. I closed signal express and reopened the project and exported the 6th file without any problems. I did another set off 11 with no errors.
I installed 3.0 last Friday. This is the 3rd time this week to have this error.HI John,
Sorry this took so long. I thought I had responded to this and was waiting for an answer... Looks like my response did not make it to the system.
1. I am exporting to Excel 2007
2. I had been able to export with no problem until I installed 3.0, 2.5.1 worked fine.
3. "Can you upload a simplified version of your code so we can take a look at it?" No, there is no code. I recorded a sample, expand the log, right click on voltage, and export to Excel.
4. I do not think this is a setup problem; it works fine more than 90% of the time. 3.0 has never given me a problem in the first 10 exports. 2.5.1 Never had this problem.
5. With 2.5.1 an export of more than Excel's max rows gives a message that the rows past max rows would not be exported. 2,000,000 rows did not stop the export
6. The error occurred when SE had less than 1 GB of memory allocated. I have never seen more than 1 GB allocated to SE.
7. There were more than 5GB of memory free, most of which could have been allocated.
8. I get the out of memory error almost every day.
9 if you ask me to call next time I get the error it may never error again.
Thank you,
John -
Why cant I create a playlist for my music/song videos? Continuous play is also not possible in the video app on the phone!!!! previously, prior to IOS 6, it was possible to have both music videos & songs mixed in the same playlist in the music app
I am back with an update. I turned off Match on both the ipad and the iphone 5. By doing so I was able to sync my Iphone and ipad to itunes and store the music on my devices rather than the slow streaming. So far this has fixed my problems with the iphone I have all my music, playlist, most of the album art and so on. But the ipad is a different story. I have the music and artist but not one playlist I am sure Apple will have an upgrade soon that will address these issues they are usually very good about this.
Now have any of you experienced another problem that has existed as long as I have used faces in Aperture.
I have over 200 faces and they are organized a-z problem is I have this going on A-Z folowed by a few that start over A-Z followed by another few A-Z and again a 4th time A-Z. Imagine how difficult it is while I am showing someone the great features of my iphone, ipad and imac. Which I do talk highly of all the time. But how do I explain that even though their name starts with a or b or what ever they are not important enough to me to be in the first list of A-Z or even the 2nd or 3rd list of A-Z someohow they are in the 4th section of the list!!!!
I have managed to get the Imac to fix this but for some reason the IOS devices do not. Any ideas?
Thanks Al -
How do you "pause" an open application, like Mac automatically does when the memory is full?
How do you "pause" an open application, like Mac automatically does when the memory is full?
I would like to do so proactively when I am not using a certain program but need to keep it open, and I want to free up computer resources.
In other words, I want to keep a given program open, but stop it from "thinking".There is an application that I can only open a set number of times before it expires. Every time the program closes, you get one less use out of it. I want to use it as long as possible, so I thought I would just keep it open all the time. However, it consistently turns on the fan on the computer, so I imagine it uses a lot of resources. I got the idea after the Force Quit program "paused" it once after getting overloaded with all the apps I had open. It stopped the fan, and I was able to open it and run it again later with no problems. The tricky thing with trying to intentionally overload the system is that it's a hit or miss on which open program the OS will pause (to my knowledge).
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How to create a temp table in the memory, not in disk?
in sql server, you can create a temp table in the memory instead of disk,
then you can do the insert, delete,update and select on it.
after finishing, just release it.
in Oracle,
I am wonderfing how to create a temp table in the memory, not in disk?
thanks,Thanks for rectifying me Howard.
I just read your full article on this too and its very well explained here:
http://www.dizwell.com/prod/node/357
Few lines from your article
It is true, of course, that since Version 8.0 Oracle has provided the ability to create a Keep Pool in the Buffer Cache, which certainly sounds like it can do the job... especially since that word 'keep' is used again. But a keep pool is merely a segregated part of the buffer cache, into which you direct blocks from particular tables (by creating them, or altering them, with the BUFFER POOL KEEP clause). So you can tuck the blocks from such tables out of the way, into their own part of the buffer cache... but that is not the same thing as guaranteeing they'll stay there. If you over-populate the Keep Pool, then its LRU mechanism will kick in and age its contents out just as efficiently as an unsegregated buffer cache would.
Functionally, therefore, there can be no guarantees. The best you can do is create a sufficiently large Keep Pool, and then choose the tables that will use it with care such that they don’t swamp themselves, and start causing each other to age out back to disk.
Thanks and Regards
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