How to find the memory consumed by a ArrayList

Dear Friends,
Could anyone help me in finding whats the memory consumed by a ArrayList.
Regards,
Vinod Kumar Purvakam.

http://javaspecialists.co.za/archive/Issue029.html

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How to find the memory used by specific session in oracle

Hi,
Would require your help to find memory used by specific session/connection in oracle using any query.
**Regards**
**Vijay Salian**

Hi Girish,
which column we have to look at the at in the below ouptut to find the actual memory used by oracle session in our case as mentioned dedicated in ourcase????
SID Oracle User O/S User Session Program Machine PGA Memory PGA Memory Max UGA Memory UGA Memory MAX
3 oracle oracle@alex (LGWR) alex 5,526,516 5,526,516 77,956 77,956
9 oracle oracle@alex (ARC0) alex 4,500,080 4,500,080 77,956 77,956
10 oracle oracle@alex (ARC1) alex 4,500,080 4,500,080 77,956 77,956
11 SYSTEM oracle sqlplus@alex (TNS alex 3,403,988 4,780,244 77,956 1,400,476
2 oracle oracle@alex (DBW0) alex 2,488,624 2,488,624 77,956 77,956
4 oracle oracle@alex (CKPT) alex 1,359,484 1,359,484 77,956 77,956
17 SCOTT oracle sqlplus@alex (TNS alex 577,512 708,584 339,812 339,812
5 oracle oracle@alex (SMON) alex 499,704 499,704 77,956 77,956
8 oracle oracle@alex (QMN0) alex 475,596 541,132 274,348 274,348
19 SCOTT oracle sqlplus@alex (TNS alex 454,964 454,964 143,420 143,420
6 oracle oracle@alex (RECO) alex 237,024 237,024 77,956 77,956
1 oracle oracle@alex (PMON) alex 228,512 228,512 77,956 77,956
7 oracle oracle@alex (CJQ0) alex 228,512 228,512 77,956 77,956
13 rows selected.
Regards
Vijay

How to find the memory values while debugging

Hi Friends,
In an ABAP program I have exported some values to a memory id. in debug mode where can i see these values. Could any one tell me....Helpful answers would be highly rewarded..!!
regards,
Ramineni.

Hi
In debugger you need to put the memory Id name and you will be able to see values where you export them.
regards
Aditya

How to find the memory contents

hai freinds can any one tell my query, i have exported soem field to abap memory,
during debugging i want to see the contents of it , so u used the system settings and tried i am getting the abap memoried but i am unable to see my memory id
if any one can help me how to search
reagrds
afzal

Hi,
When in Debug mode, click SETTINGS TAB & check MEMORY MONITORING.
Enter the variable name & check the value.
Best regards,
Prashant

How can i find the memory of the laptop ?

i want to know how to find the memory on the macbook pro ?

Select About this Mac from the Apple menu. It will report how much memory is installed.
If you meant to ask about hard drive storage space (not "memory") then select your drive's Desktop icon. Press COMMAND-I to open the Get Info window. Information on the hard drive is displayed in the upper panel.

To find the Memory statistics for past 30 days

Hi gurus,
how to find the memory statistics for the past 30 days , i have tried with the options ST06 and ST02 but i cant able to have the data for 30 days.
can any one help me out in this reply with solutions rewarded!
regards,
S.Rajeshkumar

Hi Rajesh,
what do you call system statistics ?
There are many many statistics in SAP that can be called "system".
I already gave you the way to look at 3 of them.
For your information, and it may not please you but it is rude to tell that the problem is urgent for you.
Guess what : it is not at all urgent for ME as I know how to look at every statistics I would need.
If your problem is really urgent, don't ask it on volontary answered forums but open a message with SAP support. As you pay for SAP support, you are in a position to tell SAP that your problem is urgent, not with me...
I choose to answer to questions that
I find interesting.
I know something about.
In that case, I'm very happy to help but I really really don't care about points.
These points can't be eaten or sold and I already own enough t-shirts !
Good luck !
Olivier

How to find the Names of Most costly Views or Most Time consuming views

Hi All,
I had a database consisting of almost 200 views,as a part of Optimization process i want to find out the most costlier views.How to do that.Actually i want the names of the VIEWS,so that i can optimize that.Can any one help me out?
I had one more doubt in our Database a view is created like view A( which is created by joining several tables).so do i need to add index on this view separately or does it take the index of the tables which i joined? And in our Database i had created
a VIEW which is derived from other views(the Joining objects are views not tables),so while i select recoreds from this views which is derived from other views it is taking a lot of time.Is tehre any problem with that?

Please avoid such double post spread over several forums:
http://social.msdn.microsoft.com/Forums/en-US/bae4042a-10b8-4d12-aa46-88a05ea37a76/how-to-find-the-names-of-most-costly-views-or-most-time-consuming-views?forum=sqldataaccess
Olaf Helper
[ Blog] [ Xing] [ MVP]

[InDesign CS3] how to find the reason of the memory leaks?

Hi all,
I'm working with InDesign CS3. I wrote a plug-in and loaded it into InDesign in debug mode. After I closed the application, I got a console window showing memory leaks as following:
Leaks! 52 leaks, 716804 bytes
Press any key to continue . . .
Does anybody know how to find the reason of the memory leaks? Thanks a lot!
Nicole

Thanks Dave. I'm using Windows, and I also tried MemoryTracker. I got a Leaks.txt which shows the detail of memory leaks as following. But I really can't understand it. Any help? Thanks. Leaks! 7 leaks, 455252 bytes 65036 bytes at: 7B22FF8 4172627C MemoryPool::GetNonPoolSizePeak cannot be found in any module! 00EDC1CB K2Internals::K2VectorBase<HolderPtr<IPMUnknown>,K2Allocator<HolderPtr <IPMUnknown> > >::fill_insert cannot be found in any module! 01C9C74F cannot find address in any module! 01C96DEC BIBGetVersion cannot be found in any module! 01C96E60 BIBGetVersion cannot be found in any module! 01C979E4 cannot find address in any module! 0131F511 K2Internals::K2VectorBase<HolderPtr<IPMUnknown>,K2Allocator<HolderPtr <IPMUnknown> > >::fill_insert cannot be found in any module! 0131F4C4 K2Internals::K2VectorBase<HolderPtr<IPMUnknown>,K2Allocator<HolderPtr <IPMUnknown> > >::fill_insert cannot be found in any module! 00EDBC7E K2Internals::K2VectorBase<HolderPtr<IPMUnknown>,K2Allocator<HolderPtr <IPMUnknown> > >::fill_insert cannot be found in any module! 00EDBFBE K2Internals::K2VectorBase<HolderPtr<IPMUnknown>,K2Allocator<HolderPtr <IPMUnknown> > >::fill_insert cannot be found in any module! 00EDC558 K2Internals::K2VectorBase<HolderPtr<IPMUnknown>,K2Allocator<HolderPtr <IPMUnknown> > >::fill_insert cannot be found in any module! 1002C26E cannot find address in any module! 1002BFB9 cannot find address in any module! 00401644 cannot find address in any module! 00405146 cannot find address in any module! 00404EBD cannot find address in any module! 7C817067 RegisterWaitForInputIdle cannot be found in any module! 65036 bytes at: 7B32E38 4172627C MemoryPool::GetNonPoolSizePeak cannot be found in any module! 00EDC1CB K2Internals::K2VectorBase<HolderPtr<IPMUnknown>,K2Allocator<HolderPtr <IPMUnknown> > >::fill_insert cannot be found in any module! 01C9C74F cannot find address in any module! 01C96DEC BIBGetVersion cannot be found in any module! 01BB149B cannot find address in any module! 01BB4C62 cannot find address in any module! 00EDBCE3 K2Internals::K2VectorBase<HolderPtr<IPMUnknown>,K2Allocator<HolderPtr <IPMUnknown> > >::fill_insert cannot be found in any module! 00EDBFBE K2Internals::K2VectorBase<HolderPtr<IPMUnknown>,K2Allocator<HolderPtr <IPMUnknown> > >::fill_insert cannot be found in any module! 00EDC558 K2Internals::K2VectorBase<HolderPtr<IPMUnknown>,K2Allocator<HolderPtr <IPMUnknown> > >::fill_insert cannot be found in any module! 1002C26E cannot find address in any module! 1002BFB9 cannot find address in any module! 00401644 cannot find address in any module! 00405146 cannot find address in any module! 00404EBD cannot find address in any module! 7C817067 RegisterWaitForInputIdle cannot be found in any module! 65036 bytes at: 7B52AB8 4172627C MemoryPool::GetNonPoolSizePeak cannot be found in any module! 00EDC1CB K2Internals::K2VectorBase<HolderPtr<IPMUnknown>,K2Allocator<HolderPtr <IPMUnknown> > >::fill_insert cannot be found in any module! 01C9C74F cannot find address in any module! 01C96DEC BIBGetVersion cannot be found in any module! 02331A7A cannot find address in any module! 0236E7CD cannot find address in any module! 43726F6C cannot find address in any module! 65036 bytes at: 7C93D80 4172627C MemoryPool::GetNonPoolSizePeak cannot be found in any module! 00EDC1CB K2Internals::K2VectorBase<HolderPtr<IPMUnknown>,K2Allocator<HolderPtr <IPMUnknown> > >::fill_insert cannot be found in any module! 01C9C74F cannot find address in any module! 02331F36 cannot find address in any module! 02367F85 cannot find address in any module! 02415DB4 cannot find address in any module! 3F800000 cannot find address in any module! 02416799 cannot find address in any module! FFFFFF11 cannot find address in any module! 65036 bytes at: 7CD6028 4172627C MemoryPool::GetNonPoolSizePeak cannot be found in any module! 00EDC1CB K2Internals::K2VectorBase<HolderPtr<IPMUnknown>,K2Allocator<HolderPtr <IPMUnknown> > >::fill_insert cannot be found in any module! 01C9C74F cannot find address in any module! 01CE1C14 cannot find address in any module! 01DD9346 CTGetVersion cannot be found in any module! 01D9B052 CTGetVersion cannot be found in any module! 01D9B189 CTGetVersion cannot be found in any module! 01D9BB21 CTGetVersion cannot be found in any module! 01D9BD0C CTGetVersion cannot be found in any module! 01D9CE96 CTGetVersion cannot be found in any module! 01D9CEFF CTGetVersion cannot be found in any module! 01DDBEA2 CTGetVersion cannot be found in any module! 01DDC214 CTGetVersion cannot be found in any module! 01DDC7C6 CTGetVersion cannot be found in any module! 65036 bytes at: 16D68200 4172627C MemoryPool::GetNonPoolSizePeak cannot be found in any module! 00EDC1CB K2Internals::K2VectorBase<HolderPtr<IPMUnknown>,K2Allocator<HolderPtr <IPMUnknown> > >::fill_insert cannot be found in any module! 01C9C74F cannot find address in any module! 01BB178C cannot find address in any module! 01BCE7C8 cannot find address in any module! 01BCEE13 cannot find address in any module! 01BD28C5 cannot find address in any module! 01BD4CB7 cannot find address in any module! 65036 bytes at: 20B68F88 4172627C MemoryPool::GetNonPoolSizePeak cannot be found in any module! 00EDC1CB K2Internals::K2VectorBase<HolderPtr<IPMUnknown>,K2Allocator<HolderPtr <IPMUnknown> > >::fill_insert cannot be found in any module! 01C9C74F cannot find address in any module! 01CE1C14 cannot find address in any module! 01D2F1A1 cannot find address in any module! 01D6F789 CTGetVersion cannot be found in any module! 07BFB464 cannot find address in any module! 07BFB464 cannot find address in any module! 07BFB464 cannot find address in any module! 07BFB464 cannot find address in any module! 07BFB464 cannot find address in any module! 07BFB464 cannot find address in any module! 07BFB464 cannot find address in any module! 07BFB464 cannot find address in any module! 07BFB464 cannot find address in any module! 07BFB464 cannot find address in any module! 07BFB464 cannot find address in any module! 07BFB464 cannot find address in any module! 07BFB464 cannot find address in any module! 07BFB464 cannot find address in any module! 07BFB464 cannot find address in any module! 07BFB464 cannot find address in any module! 07BFB464 cannot find address in any module! 07BFB464 cannot find address in any module! 07BFB464 cannot find address in any module!

I have new memory modules, 2x2 2GB DDR2 --800 SO DIMM0 to install in I-Mac early2008 ,currently with 1 GB DDR2 SDRAM. How do I find the memory slots ? I have the 4GB replacement modules from Crucial and general instr's., not specific to I-Mac.

I have new memory modules, 2x2 2GB DDR2 --800 SODIMM MAC to install into I-Mac early2008 ,currently with 1 GB DDR2 SDRAM. How do I find the memory slots ? I have the 4GB replacement modules from Crucial and general instr's., not specific to I-Mac.

https://www.ifixit.com/Guide/iMac+Intel+24-Inch+EMC+2111+RAM+Replacement/5196

I opened up a kingston memory stick last week on my computer and it worked fine. This the memory stick will not open in my computer. How do I find the memory stick if the icon does not come up on my desktop screen?

I cannot seem to open back up my memory stick. I dragged the "icon" to the trash bucket before I pulled the stick out. The memory stick icon no longer shows up on my computer. It also will not open on any other computer. Is there anyway to find the memory stick when its plugged in with out having the icon show up?

You might try the obvious, although I have seen memory sticks fail. Good luck.
1)Remove the memory stick
2) Shut the computer down
3) Restart the computer
4) Login
5) Re-insert the memory stick

How to find the number of references created for a given object ??

How to find the number of references created for a given object in a big application environment.
That means, if i give any object name (of my application) as input, then how can i find the[b] number of references created for that particular object ??

Please do not post the same question multiple times.
As for your original question, there is no direct way to do it.
Especially not the way you phrased it,
since objects don't have "names".
Applications also don't have "names".
They have classes and instances.
Also, there are 2 related issues, and I'm not sure which one is the one you asked.
#1. Finding the number of references to the same object.
Eg.
Map<String,String> a = new HashMap<String,String>();
Map<String,String> b = new HashMap<String,String>();
Map<String,String> c = a;In this case, there are only 2 objects.
The first object has (at least) 2 references pointing to it.
The second object has (at least) 1 reference pointing to it.
(There may be more, if the HashMap library keeps
references to these things, or if the HashMap object has
some internal cyclic references...)
If you're asking this, then it can't be done.
It's an active research topic in universities
and software research labs, called "alias analysis".
Type it in google, and you'll see people are working hard
and having little success so far.
#2. Finding the number of instances created from a class.
In this case, what you have to do is to add a counter to
the constructor of the class. Every time an object is constructed,
you increment the counter. Like this:
 class MyClass
 public static int counter = 0;
 public MyClass( ) { counter++; }
 // Then later in your program, you can do this:
 MyClass a = new MyClass();
 MyClass b = new MyClass();
 System.out.println(MyClass.counter); // It should show 2Note: you won't be able to do this to every class in the system.
For every class you care about, you have to modify its constructor.
Also: when an object is deleted, you won't always know it
(and thus you won't always be able to decrement the counter).
Finalizers cannot always work (read Joshua Bloch's
"Effective Java" book if you don't believe me), but basically
(1) finalizers will not always be called, and
(2) finalizers can sometimes cause objects to not be deleted,
and thus the JVM will run out of memory and crash

How to overcome the Memory leakage issue in crystal report 2008 SP2 setup.

I have developed the small windows based application tool with help of Visual studio 2008 for identify the memory consumption of crystal report object. It helps to load the crystal report objects in the memory and then released the object from the memory. The tool simply does the u201CLoading and Unloadingu201D the objects in the memory.
The tool will be started once u201CTest_MemoryConsumption.Exeu201D executed. The u201CTest_MemoryConsumption.Exeu201D consumes u201C9768 KBu201D memory before load the crystal report object in memory. It means, 9768 KB is normal memory consumption for run the tool.
Crystal report object initiated by the tool and object help to load the report in memory once the tool initiated the crystal report object. Now u201CTest_MemoryConsumption.Exeu201D consumes u201C34980 KBu201D memory during the crystal report object creation and report load process. The actual memory consumption of crystal report object is 34980u20139768=u201C25212u201DKBu201D.
The memory consumption u201C34980 KBu201D will be continued till the end of the process. The memory consumption will be reduced to u201C34652 KBu201D from u201C34980 KBu201D once report load process completed. It means, u201C328 KBu201D memory only released from the memory consumption. Tool enables the Release command for the crystal report object. But crystal report object does not respond to the command and will not release his memory consumption.
The memory consumption u201C34652 KBu201D will be stayed in the memory once job ends. If i again initiate the crystal report object then it crystal report object start to consume the memory from 34652 KB.
Database objects and crystal report objects are properly used in the tool. The object release commands properly communicated to crystal report setup. But the u201CCrystal report service pack 2u201D setup unable to respond the commands which has enabled from .Net Tool. Crystal report objects are properly initiated and disposed in the tool. But the crystal report unable to release from the server.
The memory consumption will be reduced once the server restarted or kill the application.
Crystal report 2008 and crystal report 2008 SP2 setup available in the server.
Microsoft .Net Framework 2.0 SP2, Microsoft .Net Framework 3.0 SP2 and Microsoft .Net Framework 3.5 SP1 are available in the server,
Could you please suggesst how to avoid the memory consumption keep increasing and how to release the memory consumption once the crystal object disposed???

Hi Don..
My case is different one. I hope, the problem with Run time Installation setup file (Crystal report 2008 Serivce Pack2 installer) which we installed in the server.
Let me explain with Live scenario which our client faced in crystal report 2008 Service pack2 Installer.
Our client is using a application to help to print their reports. The application is developed with Windows service.
Windows service keep on running in the server. Windows service executes the client 's crystal reports( Labels Report, Stock report) which designed for clients need and the reports will be printed from printer.
10 Same type report (Label Report) will be printed in 1 minute. Reports are not printing during non business hours. But the windows service keep on running. Memory cosumption of application will be 160 MB in business hours.
For Example, On Monday the application memory consumption starts with 160 MB. The Memory consumption will be reached 165 MB in peak business hours. Then the memory will be ended in163 MB in the End of Monday. It means, The memory consumption will be in 163 MB during the non business hours. Reports will not be printed in non business hours.
On Tuesday, the application memory consumption starts with 163 MB and it will be reached 168 MB during the peak hours. The Memory consumption will be ended in 165 MB in the end of Tuesday. The same process contiues till friday. End of friday, the memory consumption of the application will be ended with 170 MB.
Application Memory Consumption slowly increasing in the server. In 5 days, Memory consumption reached Threshold value (170 MB) of the server. Application gets hanged up once the memory consumption reached 170 MB. We got the error messages as "Attempted to read write protected memory " / "Not Enough memory for process". If we restart server / If we restart the service then memory consumption of application get reduced to 160 MB.
From the above scenario, We came know that the either the problem with Application object or the problem crystal report object. In the application, We have checked dispose methods of application objects completly. I am sure that application objects are properly disposed in the application. I hope the problem not with application objects. The problem with Crystal report objects.
Application properly communicates the dispose methods to crystal report objects. Crystal report objects are not released from
the memory.
Crystal report 2008 Serive Pack 2 setup installed in the server.
As you said, If Crystal report runtime is not released from memory then memory consumption keep increase??? In service oriented architecture application, how to unload the crystal report runtime??
Do you any fix for this kind of issue??
Willl Crystal report 2008 service pack 3 help on this issue??

How to use the memory efficiently in SAP systems?

Hi All,
We are using suse linux X86_64 bit OS
All the instances are present in distributed environment. Eg we have one DB,1 ASCS(Message server and Enqueue), 1 PAS and 1 AAS
In CRM there are 100 end users are there.
Database is also 64 bit (Oracle)
Ram size is 32 GB.
CPU is:4
Theoretically I know that the
RAM:Virtual memory should be 1:2 ratio
How to find the Virtual memory size in the existing system If it is a freshly installed means then how can we estimate it?
How to find the SWAP size allocated in the existing system If it is a freshly installed means then how can we estimate it?
How to find the size of virtual memory is allocated for the live SAP system and DB? And explain how to calculate if it is a freshly migrated system?
How to find the size of RAM is assigned to SAP and the same for DB?
If anything is increased in sap level like work process why should we need to increase the process and sessions in oracle and how?
Kindly help to me to find the solution for this questions?
Thanks,
Priyanga G

Do you see the search functionality in the upper left of the screen?
Okay, now type in ecatt, press enter and in the next screen filter on blogs.

Query to find the memory of database in oracle,sql

Hi All,
Please let me know the query to find the memory of database in oracle,sql.
Thanks,
sajith

How do I find the overall database size?
The biggest portion of a database's size comes from the datafiles. To find out how many megabytes are allocated to ALL datafiles:
select sum(bytes)/1024/1024 "Meg" from dba_data_files;
To get the size of all TEMP files:
select nvl(sum(bytes),0)/1024/1024 "Meg" from dba_temp_files;
To get the size of the on-line redo-logs:
select sum(bytes)/1024/1024 "Meg" from sys.v_$log;
Putting it all together into a single query:
select a.data_size+b.temp_size+c.redo_size "total_size"
from ( select sum(bytes) data_size
from dba_data_files ) a,
( select nvl(sum(bytes),0) temp_size
from dba_temp_files ) b,
( select sum(bytes) redo_size
from sys.v_$log ) c;
Another query ("Free space" reports data files free space):
col "Database Size" format a20
col "Free space" format a20
select round(sum(used.bytes) / 1024 / 1024 ) || ' MB' "Database Size"
, round(free.p / 1024 / 1024) || ' MB' "Free space"
from (select bytes from v$datafile
union all
select bytes from v$tempfile
union all
select bytes from v$log) used
, (select sum(bytes) as p from dba_free_space) free
group by free.p
This is what I use :P From http://www.orafaq.com/wiki/Oracle_database_FAQ#How_do_I_find_the_overall_database_size.3F

Sir,how to find the last DML operations

Hi,
Please tell me how to find the last DML Operations at least minimum 30 queries.
Thanks in advance,

Shared Pool is a memory location in SGA that contains SQL Statement that are submitted to Oracle for execution. This area is common to the entire database. Its not specific to user.
So what ever Unique SQL statement that is submitted to the SQL Engine will be available here. Shared Pool has a size limit. That is defined by the parameters SHARED_POOL_SIZE and SHARED_POOL_RESERVED_SIZE. So when the Shared pool becomes full the data needs to be removed from it. That is done in FIFO basis.
Oracle provides a visibility to this area through dictionary view V$SQLAREA. So this view will not only contain the SQL executed by you but also by every one. Even the one executed by oracle itself.
So in my opinion what you are asking is not possible to get. You must have some logging mechanism in your application to get this information.

How to find the memory consumed by a ArrayList

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