YVERT Max number in redolog files

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• Instance recovery fast and redolog file size

  Hello
  
  Could you please explain to me how redolog file size allows to retrieve the instance more quickly?
  
  Thank you
  KSG

  Soon, I'll try to say.

  The answer lies in the relationship between the number of buffers Sales necessary for recovery. Buffers dirty necessary for recovery is limited by the checkpoint process when DBWR is ping some of them writing in the data file. So with a log switch, you'll hit a control point. So if the size of the log files to be smaller, frequency control would be great, which makes written buffers more aggressively in the fikles of data and limit the duration of the reocvery instance. Her biger make you, it would take more than the checkpoint occurs and so in the case of instance recovery, it would bemore time required. That said, using a log file of small size would also lead to "cehckpoint inicomplete" error as well, because it can happen that DBWR will not be able to match with his own writing speed and the speed of the current generation gate of event.

  HTH
  Aman...

• Utility disk first aid indicates that it is a wrong number of hard file links

  After various software update yesterday the Mac mini has had several problems. I ran disk utility first aid, and he says 'wrong number of hard file links.

  Which allows to fix this?

  The drive has been successful to repair by disk utility?

  You must boot from recovery to repair the startup disk

  OS X: on OS X Recovery - Apple Support

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• Problem loading of a large number of csv files

  Hi all

  I have a problem loading of a large number of csv files in my LabVIEW program. I have attached a png image of the code simplified for only loading sequence.

  What I want to do is load the data of 5000 laser beam profiles, so 5000 files csv (68 x 68 elements), and then proceed to an analysis of data. However, the program will only ever 2117 files, and I get no error message. I also, tried at the beginning of loading a single file, selecting an area of cultures - say 30 x 30 items - and then to load the rest of the files cropped to these dimensions, but I always get only 2117 files.

  Any thoughts would be appreciated,

  Kevin

  
  

• "A number of queued files cannot be read" when you try to play music in Windows media player

  Original title: don't play the music from the playlist

  I have Windows 7/WMV 12... I can't read mp3 playlist, it shows some msg as "a number of queued files cannot be read, to find information about the problem, click on the icon next to each file in the list pane". Help me

  Hi John,

  -What is the exact error message that you receive?

  -Were there any changes made to the computer before the show?

  I would suggest trying the following steps and check.

  Method 1:

  Run the troubleshooters and check if the problem persists.

  Open the troubleshooting Windows Media Player settings Troubleshooter

  http://Windows.Microsoft.com/is-is/Windows7/open-the-Windows-Media-Player-settings-Troubleshooter

  Open the troubleshooter in the Windows Media Player library

  http://Windows.Microsoft.com/en-us/Windows7/open-the-Windows-Media-Player-library-Troubleshooter

  If the problem persists, then follow the steps in the following methods.

  Method 2:

  To resolve this problem, delete the Windows Media Player database. To do this, follow these steps:

  1. exit Windows Media Player .
  2. click on Start, click run, type %LOCALAPPDATA%\Microsoft\Media Player, and then click OK.
  3. Select all the files in the folder, and then click delete on the file menu.
  Note: You don't have to remove the folders that are in this folder.
  4. restart Windows Media Player.
  Note: Windows Media Player automatically rebuilds the database.

  Method 3:

  Update the audio drivers.

  In some cases, you may encounter this error message if there is a problem with the audio device, such as a map his or her controller. For example, you can get this problem if your audio device requires an updated driver. Visit the website of the manufacturer of the audio device and get the latest driver to resolve the problem.

  Updated a hardware driver that is not working properly http://windows.microsoft.com/en-us/windows7/update-a-driver-for-hardware-that-isn ' t-working-well let us know the result.

• RMAN transaction in redolog files

  Hello

  I'm discovering RMAN and I just wanted to ask if what I understood from the manual are correct

  So if I do a full backup including logs archiving and deleting the entry I backup all the transactions that are already in the data files and those in the archive logs

  Then if I need to restore the data files because they were corrupt or lost, I use the command "restore database".

  After this I need to use the database to 'recover' it will be worth the archivelogs for correct data files?

  And on transactions that are still in the redolog files before the archive switch?

  Cause if I have a 100 MB redolog file, which can contain a lot of data, so in case I lose redolog files (they must be multiplexed of course) I suppose I drop a few correct data?

  Thank you!

  Yes, good idea. who knows...!

  Make the thread as answered if you judge that it is correct, then others get help to find the answer.

  See you soon,.

  NGO

• Extract GG generates a considerable track when number of blob files wide of transfers

  Hello experts

  GG, workplace we tried to transfer the blob wide about 400 MB - extracted began to generate a huge number of trail files(thousands files) with no error message.

  We played with the trail file size - has increased up to 1 GB, but the result was same.

  Can help you with this question?

  Hope that this problem is known

  Thanks in advance

  Vladimir

  If you use dbms_lob.write procedure and entry into small pieces then each call to dbms_log.write () creates an update causing a large trail.

  You can solve the problem by writing to a temporary blob and then copy this blob in the actual blob column

  Thank you

  REDA

• How can I send a fax number 2 pdf files?

  How can I send a fax number 2 pdf files?

  With Adobe send, you can only send to an e-mail address; not a fax number.

• Please, give me an advise how to search for a number in a file xml (as3.0)

  Hello! Sorry for the troubling.

  Please, give me an advice how to search for a number in a file xml (as3.0)

  Thank you!

  My answer was based on your question to find numbers anywhere in the data to an xml file.  If you know that the data is digital data and the names of the nodes that contains this data, you do not have to check the characters and can only check numerical data using string values...

  function searchXMLFile(Event:MouseEvent):void
  {
  searchDisplay.text = "";
  var pageList:XMLList = xmlFileToSearch.receipt.number;
  searchDisplay.text = "false";
     
  for (var i: int = 0; i< pagelist.length();="">
  {

  If (pageList [i] == searchInput.text) {}
  searchDisplay.text = "true";
  }

  }
  }

  Even if you are looking for individual digital characters in the previous code that you would have always done by a false exit due having the line 'false' always cancel the real line...

  If (t.toString () .indexOf (m_sSearchTerm)! = - 1).

  {

  searchDisplay.text = "true";

  }

  searchDisplay.text = "false";  This will always overwrite the textfield

• Redolog files are lost

  Hello
  
  It is a test case.
  My database is 10.2.0.1.
  
  I have a full RMAN backup and for tests, I had dropped the redolog files.
  I have recovered these files using the full restoration of the DB and cancel the recovery feature.
  
  Is there another way where I can get these files redo log outside the complete database restore?
  
  I also have ried to delete and re-create the redolog files, but recovered the following error message:
  SQL > alter database drop logfile Member ' < full path > \REDO01. JOURNAL ";
  alter database drop logfile Member ' < full path > \REDO01. JOURNAL ";
  
  *
  ERROR on line 1:
  ORA-00361: cannot remove last member journal < full path > \REDO01. JOURNAL
  for Group 1
  
  Please advice.
  
  Thanks in advance.

  Responses you received were on the deletion of a redo log (Group).

  I guess your question is to re-create that online redo logs.

  One YEAR ALTER OPEN RESETLOGS recreates the recovery online newspapers as long as the database is consistent.

  So if you SHUTDOWN NORMAL data base, you can simulate an incomplete recovery (in a consistent state) with
  RECOVER DATABASE UNTIL CANCEL
  followed to CANCEL
  and then ALTER DATABASE OPEN RESETLOGS.

  If you RESTORE the database and do a RECOVERY, RECOVER with a UNTIL (TIME, SEQUENCE, or CANCEL) and then ALTER DATABASE OPEN RESETLOGS.

  Follow these steps only in a TEST environment. In order to learn how the Redo Logs are 're-created '.
  If you follow these steps in a Production environment without making a FULL recovery, you lose Transactions that have been in the Redo Logs.

  Hemant K Collette
  http://hemantoracledba.blogspot.com

• maximum number of data files in oracle

  I have the oracle10g database. I want to see the maximum number of data files in the database. One way, we can trace the control file and we can find... y at - it another way, we can see this parameter value? Please let me know.

  The db_files parameter controls this thing.

  Aman...

• Eve redolog files

  Hello
  
  I think that Eve redolog files are not required if I open the database physical sleep in read/write mode by using flashback database techonology. Kindly let me know if I'm wrong.

  If I understand your question, you want to stop your Production database, activate flashback standby and activate it read/write. At the end you want to flash back, the changes.

  Your question is in this scenario, we need newspapers on PRIMARY eve? The answer is no WE don't NEED NOT

• Max Number of columns allowed in Discoverer 9i / 10g report

  Hello
  
  I need to prepare a report of discoverer 9i which has 62 columns. Does anyone know how the Max number of columns is allowed in discoverer reports. I'll be able to include all of the 62 columns without any problem?
  
  Thanks advanced
  
  Lokesh.

  Hello
  Although I couldn't find any document about it, I don't think that you will have a problem with the discoverer.
  I don't know how the java it take good care.
  From the Viewer (and I hope I'm not mistaken and mislead you) in the definition of columns
  You can choose up to 999 columns to present so I guess that there will be no problem with 62.

• How to find the largest number of text file

  I use the "Read from the text file" block to read the data in my .txt file in labview.  It is now in the string format.  I have a lot of numbers in the file.

  For example:

  0.45

  0.35

  0.12

  1,354

  1.56

  2.89

  5.89

  0.56

  That's what might look like a text file.  I want to find out which of these numbers is larger and do calculations with this number.  I have problems with channels/number/berries formats, etc.  Thank you

  Try to read that the file with File.vi reading worksheet with transposes the True value. Then use the table Max & Min to get the biggest number in the table.

  Lynn

• What is the maximum number of messages/files that Thunderbird can handle?

  I plan to migrate from Outlook (2007) to Thunderbird (on a PC MsWin7 - Ultimate 64-bit). Unfortunately, I have a lot of historical emails that I still have and periodically reference; Currently, these are several PST files. Reading some of your prior support questions, I discovered that Thunderbird use monolithic mail a database, apparently mapped in the structure of normal file/folder of the operating system (i.e., anything that the user selectable, as supply of PST files); but that Thunderbird will suck in all messages from Outlook PST files during installation, assuming that all of him are open at the time of the installation of Thunderbird (?).

  QUESTION: Which is the case, is there the ALL LIMITS on the number of files or messages that Thunderbird can handle?

  No, I really am aware, other than the available disk space on the computer.

  The limit of 4 GB (per folder) on local files was lifted, but I don't know that I hope the fix. SO think 4 GB as a limit on the size of the folder.

  I'm not aware of any practical limit to the number of accounts. I've heard hundreds and dozens of personally.

  I guess that the file system file size limit still applies, but because it is in windows 7 from 16 to 256 TB in Windows 8, I don't think it's really a matter of concern. (I have not heard a single hard drive this size still).

  With optional mailDir structure to store messages in Thunderbird 38 (a mail a file), then even this limit is theoretical, otherwise than for the overall index and the index file. Note that this is an option for 'New' accounts, those not imported and is not the default.