Default cache size reduced to 350 MB (from 1024 MB)

Why was the default size of the automatic cache management reduced from 1024 MB to 350 MB ?
How does that improve Firefox ?

That is a consequence of this bug:
*[https://bugzilla.mozilla.org/show_bug.cgi?id=709297 bug 709297] - Limit disk cache size until/unless "clear recent data" can be done async
<i>(please do not comment in bug reports: [https://bugzilla.mozilla.org/page.cgi?id=etiquette.html])</i>

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Java 1.4.2 default cache size problems

Hello all -
I am delivering panoramic image Virtual Travel® tours via Flash and the Java PTviewer applet, e.g. http://www.taj-mahal.net
We want to deliver much larger & "full screen" panoramas as well. This all works fine on PCs (sigh), but not on Macs.
On the Mac, I am seeing hanging" during loading of panos, and traced this to the fact that Windows typically has a 60 MB Java cache. I thought this was the same for Mac, but ....
I note that my Java 1.4.2 Plug-In Control Panel shows that only 50 MB is allocated. Since I have not adjusted this, I wonder...
a) Is the default Java cache for Mac OSX set a 50 MB after installation? Would most typical Mac users then have only 50 MB of Java cache?
b) Is there a user-friendly way to adjust the Java cache size up to 60 MB on the Mac? Some application or AppleScript or some such? If so, I can post an error message when (poor) Mac users try to view our large panoramas.
( I want to avoid trying to explain how to find and use the Java Plug-In control panel.... )
Thanks for your help !
William
G4 dual 1.25GHz ( London, UK )

Where does that prerequisite come from?
On linux x86, Oracle provides the j2se jdk/jre for OracleAS itself, meaning OracleAS Forms & Reports services 9.0.4 does not require you to install a JDK. I think that actually the requirement is that you should not install any JDK. Of course, some other software might require you to install 1.4.2 java sdk.
You can find the AS 9.0.4 docu libraries here:
http://www.oracle.com/technology/documentation/appserver10g.html
(see docu library B13597_05, Platform tab for installation guides)

Default Adobe Drive cache size is only 128MB

The Adobe Drive cache size defaults to 128MB. This doesn't seem a very logical value as a single file may be easily larger than that. Is there a reason it's so small? As most users would probably benefit from a larger cache size and today's harddrives should also allow a larger cache size.
Would it make sense to have a default cache size of 5-10GB? Maybe depending on the amount of free disk space available during installation?

Hello.
To help automatically clear up some cache from Firefox, click on each of the images from left to right. Now at least you won't have to constantly do it yourself.
Also, to help you with your space issues, download Clean Master from the Google Play app Store: https://play.google.com/store/apps/details?id=com.cleanmaster.mguard this app will clean up hidden cache and useless files on your phone, helping free up space.
And as for why Firefox keeps reverting to the default cache in "about:config", I do not know. We are sorry for any inconveniences that this has caused you. But please try doing what was mentioned above to help with your issue.
Hope this helps!

Ndsd preallocated cache size

I was looking into ndsd memory usage on my OES11 SP2 server and noticed that pre-allocated cache size is set in /var/opt/novell/eDirectory/data/dib/_ndsdb.ini:
cache=209715200
This (200 MB) is apparently the default setting.
The total size of files in /var/opt/novell/eDirectory/data/dib on my server is only 70 MB.
In that situation, would it be reasonable to reduce the pre-allocated cache size?

The old documentation (from the NetWare days) which no longer applies
directly was to have 2-3 times your DIB size in DIB cache. Newer logic
(also covered by the new eDirectory 8.8 defaults and the
performance/tuning guide) says to ignore it since Linux is doing caching
on its own of data in the filesystem, so the amount there is just really
immediate needs and should be there, but ultimately the kernel is helping
you a lot.
This past year I've had at least two customers report that their large
DIBs (many GB) were benefited substantially by having multi-GB DIB caches
even though they can see that the OS is doing caching as well, so
something happening in there seems to be pre-worked somehow to benefit
their type of eDirectory functionality in terms of measurable performance
in searches.
Considering your current static amount is about 3x your DIB cache, and
since you are not reporting any issues with that, I'd leave it alone. If
you do want to adjust it, do so based on performance testing that matches
your environment's needs, specifically by making some adjustment, noting
performance-related stats, then doing it again, etc., until you can find a
statistically-significant improvement at some level.
Good luck.
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show your appreciation and click on the star below...

Question of Berkeley DB "cache size"

quote:
Set the size of the shared memory buffer pool, that is, the size of the cache.
The cache should be the size of the normal working data set of the application, with some small amount of additional memory for unusual situations. (Note: the working set is not the same as the number of pages accessed simultaneously, and is usually much larger.)
The default cache size is 256KB, and may not be specified as less than 20KB. Any cache size less than 500MB is automatically increased by 25% to account for buffer pool overhead; cache sizes larger than 500MB are used as specified. The current maximum size of a single cache is 4GB. (All sizes are in powers-of-two, that is, 256KB is 2^18 not 256,000.)
The database environment's cache size may also be set using the environment's DB_CONFIG file. The syntax of the entry in that file is a single line with the string "set_cachesize", one or more whitespace characters, and the cache size specified in three parts: the gigabytes of cache, the additional bytes of cache, and the number of caches, also separated by whitespace characters. For example, "set_cachesize 2 524288000 3" would create a 2.5GB logical cache, split between three physical caches. Because the DB_CONFIG file is read when the database environment is opened, it will silently overrule configuration done before that time.
This method configures a database environment, including all threads of control accessing the database environment, not only the operations performed using a specified Environment handle.
This method may not be called after the environment has been opened. If joining an existing database environment, any information specified to this method will be ignored.
This method may be called at any time during the life of the application.
Parameters:
cacheSize The size of the shared memory buffer pool, that is, the size of the cache.
The question:
When I have a host, the memory total is 16G.
I don't know what mean of this document.
How many max cache size can be set ?
4G? 16G?
or cacheCount (4)* 4G = 16G?
My Email: [email protected]

What version of Berkeley DB are you using?
I'm a little confused about what you are quoting. Most of your quote seems to be from DB_ENV->set_cachesize(), but set_cachesize does not have a parameter named cacheSize. The parameters for set_cachesize are gbytes, bytes and ncache.
You use set_cachesize to specify the logical cache that you can optionally split into more than one physical region. The maximum size of the logical cache is 4GB and there is only one logical cache. You specify the total size of the logical cache with the gbytes and bytes parameters. If you set ncache to a value greater than 1, you split this logical cache into separate physical regions. So, for example, if you specify (gbytes=2, bytes=0, ncache=1) you will have a logical cache of 2GB that internally is split into 2 separate physical regions of 1GB each.
You can read more about the memory pool cache in the Reference Guide sections "Selecting a cache size" and "Configuring the memory pool".
If you have other Berkeley DB questions that are not specific to replication, you should direct them to the general Berkeley DB forum where you will have the benefit of a wider set of Berkeley DB experts:
Berkeley DB
Paula Bingham
Oracle

Sequence - cache size ?

I created my sequence to increment by 1 with a default cache size of 20. This works fine as long as all my entries are done in the same session ( n + 1, n + 1... and so on). However, when I exit/return to my app the new sequence begins like: Last n + 20, n + 1, n + 1. . . and so on. Is it possible to reduce the cache size of a sequence?

Leo,
Please see this post:
Sequence problem
Particularly, Tom Kyte's explanation here:
http://asktom.oracle.com/pls/ask/f?p=4950:8:::NO::F4950_P8_DISPLAYID,F4950_P8_CRITERIA:530735152441
Thanks,
- Scott -

Oracle Report Queue Manager - Cache Size

Hi,
Am facing some problem with the cache size of the report queue in oracle reports 10g.
Increased the cache size thro report queue manager from 50 MB (default) to 1000 MB.
But once the cache size reaches around 49 MB, the report queue errors out saying - 'unable to run the report'.
Also report is failing at an interval of 50 MB i.e, if i click on ok after the error occurs, the report continues and fails again at the interval of 50 MB.
Is there a way to clear cache using code or increase the cache size ?
Thanks a ton! :)
Edited by: user12098287 on Feb 7, 2012 5:00 AM

Hi,
Thansk for the immediate reply, But unfortunately ias_admin is not the admin user because we have tried it and one more thing i would like to add th at we have a file base repository set in the environment of report servers.
Now any one have another answer? or can any one give me the file name where i can find the user name and password.
Thanks,
$

Jinitiator Question - JAR Cache Size Location

Using Jinitiator 1.3.1.22 - on Windows 2000 Pro
Does anyone know where this setting is stored on the PC when set in the Java Console? I have looked at the properties121222 in the .jinit folder under the User profile in Docs and Settings and it isn't in there!

Thanks Francois...I know that bit. I want to know where the value for the default is actually derived from for my installation. According to the Forms Services Deployment Guide 'The default cache size for Oracle JInitiator is 20000000. This is set for you when you install Oracle JInitiator.'
If you override the default in the Jini Configuration Panel, it's value will appear in a text file in the users .jini folder. Where is it held before that?!
When Jini is installed at my workplace, the default for the JAR cache is 50mb. No one knows why and how it differs from what the documentation states! This is what I am trying to get to the bottom of!

ADO Recordset Cache Size Breaking SQL Reads

I've got a C++ application that uses ADO/ODBC to talk to various databases using SQL.
In an attempt to optimize performance, we modified the Cache Size parameter on the Recordset object from the default Cache Size of 1 to a slightly larger value. This has worked well for SQL Server and Access databases to increase the performance of our SQL reads.
However, talking to our Oracle 8i (8.1.6 version) database, adjusting the Cache Size causes lost records or lost fields.
We've tried the same operation using a VB application and get similar results, so it's not a C++ only problem.
For the VB app, changing the cursor-type from ForwardOnly to Dynamic does affect the problem, but neither work correctly. With a ForwardOnly cursor the string fields start coming back NULL after N+1 reads, where N is the Cache Size parameter. With a Dynamic cursor, whole records get dropped instead of just string fields: for example with a Cache Size of 5, the 2nd, 3rd, 4th and 5th records are not returned.
In our C++ application, the symptom is always lost string fields, regardless of these two cursor types.
I've tried updating the driver from 8.01.06.00 to the latest 8.01.66.00 (8.1.6.6) but this didn't help.
Is anybody familiar with this problem? know any workarounds?
Thanks
[email protected]

I am displaying you mine test db's buffer cache size : (11.2.0.1 on Windows box)
SQL> show parameter db_cache_size;
NAME                                 TYPE        VALUE
db_cache_size                        big integer 0
SQL> select name, current_size, buffers, prev_size, prev_buffers from v$buffer_pool;
NAME                 CURRENT_SIZE    BUFFERS PREV_SIZE PREV_BUFFERS
DEFAULT                       640      78800          0            0
SQL> select name,bytes from v$sgainfo where name='Buffer Cache Size';
NAME                                  BYTES
Buffer Cache Size                 *671088640*
SQL> show sga;
Total System Global Area 1603411968 bytes
Fixed Size                  2176168 bytes
Variable Size             922749784 bytes
*Database Buffers          671088640 bytes*
Redo Buffers                7397376 bytes
SQL> select * from v$sga;
NAME                      VALUE
Fixed Size              2176168
Variable Size         922749784
*Database Buffers      671088640*
Redo Buffers            7397376
SQL> show parameter sga_target;
NAME                                 TYPE        VALUE
sga_target                           big integer 0
SQL>Regards
Girish Sharma
Edited by: Girish Sharma on Oct 18, 2012 2:51 PM
Oracle and OS Info added.

Default slide size?

I noticed that the default slide size in Keynote '08 is now 1024 x 768. Does anyone know how or if you can change the "default" slide size to some other value? Kind of a pain to have to do it every time I create a document.

Well this is crazy. There just aren't that many variations in settings on this software. I can't imagine why this doesn't work for me.
Thanks.
edit: Nevermind! The Keynote preference file was corrupt. Deleting that fixed it for me. Sorry I didn't think of the obvious first. Amazing that it is corrupt on two different computers. Translating the .plist from iWork '06 components must cause some problems in some cases.
Message was edited by: Trog
Message was edited by: Trog

Is there a way to set maximum cache size or to change default cache directory to sd card on Android?

I'm low on space in my Android Phone and Firefox Cache is huge by my phone standards. I have to clear data after each time I use firefox. Firefox is great but I'm using it less and less, day by day. I browsed Internet for tips, but while I was able to set a cache directory on sd card using "about:config", it still writes on phones internal too. It seems it duplicated cache.
Setting a different max size using "about:config" only works temporarily, because it seems Firefox returns to default after a while.
Thank you.

Hello.
To help automatically clear up some cache from Firefox, click on each of the images from left to right. Now at least you won't have to constantly do it yourself.
Also, to help you with your space issues, download Clean Master from the Google Play app Store: https://play.google.com/store/apps/details?id=com.cleanmaster.mguard this app will clean up hidden cache and useless files on your phone, helping free up space.
And as for why Firefox keeps reverting to the default cache in "about:config", I do not know. We are sorry for any inconveniences that this has caused you. But please try doing what was mentioned above to help with your issue.
Hope this helps!

Adobe Reader print size reduced from page to page

When I try to print a pdf file using Adobe Reader 7.0.9
under Linux Fedora Core 6, I get the print size reduced
from page to page. After several pages, the whole page
text are centered and the words are too small to see.
I can print the pdf files perfectly with Adobe Reader
under windows, and all pdf files have the same problem
with adobe reader under Linux.
I can look at pdf files using Document Viewer or KPDF
and these print correctly. I can also look at them
with KGhostView, but this prints in the same peculiar
way as Adobe Reader used to print.
If I choose to print a pdf file to a ps file,
this creates a ps file that prints just fine.
I don't have this printing problem until one day
I used a small "Scale: % of Normal Size"
in order to print a large size pdf picture.
I have a lot free space and the computer is networked.
Thanks for help.

You can use an extension to set a default font size and page zoom on web pages.
*Default FullZoom Level: https://addons.mozilla.org/firefox/addon/default-fullzoom-level/
*NoSquint: https://addons.mozilla.org/firefox/addon/nosquint/

How do I change the default paper size from letter to A4 on an F2480 attached to a Windows 7 system?

I have an F2480 attached to a Windows 7 machine. I have used the Solution Center to check that I have the latest printer driver installed. How do I get the software to understand that the paper loaded in the printer is A4 not letter, and always will be? I found an earlier question about this on this board where DexterM suggested going in through Printing Preferences. I have done that but it won't let me save A4 as the paper size for all future use. Also in that conversation HPPooper suggests editing the Registry, but the keyword he references ("DsDriver") does not exist on my system.

Hi bobellina,
I did some testing and think I may have found a solution:
1. Open Devices and Printers
2. Right click the printer and select Printing Preferences
3. Click on Features tab
4. Click on Sizes and choose "More"
5. Choose "Metric" or "English" at the top (depending on the size options you want available)
6. Select the paper size you want as default, then click OK
7. Click Apply, then OK on the remaining window
8. Right click the printer again and select "Set as Default"
This should make whatever paper size you select be "default" in whatever application you are printing from (unless the application has a default override). Paint and Notepad left the printer defaults, but Word 2010 overrode them.
If I have helped in any way, just click the Kudos star on the left. Also, if your issue has been resolved, don't forget to select Accept as Solution

Default page size settings in TEXT FILES SAVED FROM MAIL

I regularly save emails as rtf files (either with or without attachments) and sometimes return to print them with TextEdit.
I'm in Ireland, where our standard paper size is as most European countries, i.e. A4.
My 'Default Paper Size in Page Setup' is set in the Print & Fax pane in *System Preferences* as A4.
If I select 'Page Setup...' in Mail to print direct from the Application, it defaults as you'd expect to A4.
If I make a fresh text file with TextEdit, it also defaults to A4.
But if I 'Save As...' from Mail and then open the resulting file in TextEdit (or Word, for example) I find it has been saved with a US Letter Page Setup. Can I change this setting? If so, where?

I think I see where the confusion is.
I'm not talking about file attachments (the 'Save Attachments...' function in the File menu). What I'm talking about is the saving of the email as an rtf file (the 'Save As...' function). When you select 'Save As...' there's a further pull-down menu for format that allows you to save it as one of 3 options: Rich Text Format, Plain Text OR Raw Message Source. I want to save it as Rich Text which preserves fonts, bold type etc.
Mail clearly can create such files (I have several GB of saved emails that says so!) - what I want to figure out is if there's a way to control the way it sets the page size in those files as it does so.

Trying to change the cache size of FF3.6 from 75meg to a larger size, it only applies on a per session basis. i check the about:config and the changes have applied but when i restart FF it has reset itself to 75 :(

as per the question, tried to up the cache from 75meg to 300meg but it resets after i restart firefox, have tried to change to various cache sizes but to no avail.
-=EDIT=-
it must be something to do with the profile, as when i set up a new profile in the manager, the cache size problem no longer appears. but now, how to repair my profile

ok, nothing in that text file helped but the original file that it was based on pointed me in the direction that it might be an extension. The only extensions i have are NoScript and FasterFox Lite version....
I have now traced the fault to lie with FasterFox... if you are not familiar with fasterfox it speeds up internet connections in firefox... several of the options are presets... but when i selected custom it gave me the option of a cache setting, which was set to 75megs.
I have now changed that cache setting in fasterfox to 300 Megs and it is now persistant in firefox on restart.
hopefully this information will be helpful to other people in the future that suffer the same problem.
Thanks for your help TonyE, its greatly appreciated

Default cache size reduced to 350 MB (from 1024 MB)

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