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  #11  
Old   
Manish Negandhi
 
Posts: n/a

Default Re: Replication/archiving of database content to archive db instance? - 10-23-2008 , 10:24 PM






On Oct 14, 6:30*pm, "ola.thean... (AT) otsystem (DOT) com"
<ola.thean... (AT) otsystem (DOT) com> wrote:
Quote:
Dear subscribers

I’m looking for a solution to archive the content of some tables in a
product that uses Sybase as the database engine. The problem is that
some of the table contain records in such large numbers that it
affects the performance of the application thus we like to move
content older than e.g. a year to an archive instance of the database
on a regular basis. This archive instance will basically have the same
table setup as the original version but will contain the old data.

We have looked at Sybase’s Replication Server but I like to see if
there are any other options available. My biggest worry is fault
tolerance i.e. if anything goes wrong we mustn’t loose any data, i.e.
that a row is deleted from the main database without being written
properly to the archive database. If Sybase supports cross-database
transactions maybe this task can be solved with a simple scheduled
script?

Any suggestions are most welcome.
It is not a good idea to go for replication server for archival
purpose. You can create an archival database, write stored procs /
scripts to archive the data periodically. Write scripts to retrieve
data. Archive periodically and retrieve whenever needed

-HTH
Manish Negandhi
[TeamSybase]





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  #12  
Old   
Manish Negandhi
 
Posts: n/a

Default Re: Replication/archiving of database content to archive db instance? - 10-23-2008 , 10:24 PM






On Oct 14, 6:30*pm, "ola.thean... (AT) otsystem (DOT) com"
<ola.thean... (AT) otsystem (DOT) com> wrote:
Quote:
Dear subscribers

I’m looking for a solution to archive the content of some tables in a
product that uses Sybase as the database engine. The problem is that
some of the table contain records in such large numbers that it
affects the performance of the application thus we like to move
content older than e.g. a year to an archive instance of the database
on a regular basis. This archive instance will basically have the same
table setup as the original version but will contain the old data.

We have looked at Sybase’s Replication Server but I like to see if
there are any other options available. My biggest worry is fault
tolerance i.e. if anything goes wrong we mustn’t loose any data, i.e.
that a row is deleted from the main database without being written
properly to the archive database. If Sybase supports cross-database
transactions maybe this task can be solved with a simple scheduled
script?

Any suggestions are most welcome.
It is not a good idea to go for replication server for archival
purpose. You can create an archival database, write stored procs /
scripts to archive the data periodically. Write scripts to retrieve
data. Archive periodically and retrieve whenever needed

-HTH
Manish Negandhi
[TeamSybase]





Reply With Quote
  #13  
Old   
Manish Negandhi
 
Posts: n/a

Default Re: Replication/archiving of database content to archive db instance? - 10-23-2008 , 10:24 PM



On Oct 14, 6:30*pm, "ola.thean... (AT) otsystem (DOT) com"
<ola.thean... (AT) otsystem (DOT) com> wrote:
Quote:
Dear subscribers

I’m looking for a solution to archive the content of some tables in a
product that uses Sybase as the database engine. The problem is that
some of the table contain records in such large numbers that it
affects the performance of the application thus we like to move
content older than e.g. a year to an archive instance of the database
on a regular basis. This archive instance will basically have the same
table setup as the original version but will contain the old data.

We have looked at Sybase’s Replication Server but I like to see if
there are any other options available. My biggest worry is fault
tolerance i.e. if anything goes wrong we mustn’t loose any data, i.e.
that a row is deleted from the main database without being written
properly to the archive database. If Sybase supports cross-database
transactions maybe this task can be solved with a simple scheduled
script?

Any suggestions are most welcome.
It is not a good idea to go for replication server for archival
purpose. You can create an archival database, write stored procs /
scripts to archive the data periodically. Write scripts to retrieve
data. Archive periodically and retrieve whenever needed

-HTH
Manish Negandhi
[TeamSybase]





Reply With Quote
  #14  
Old   
Manish Negandhi
 
Posts: n/a

Default Re: Replication/archiving of database content to archive db instance? - 10-23-2008 , 10:24 PM



On Oct 14, 6:30*pm, "ola.thean... (AT) otsystem (DOT) com"
<ola.thean... (AT) otsystem (DOT) com> wrote:
Quote:
Dear subscribers

I’m looking for a solution to archive the content of some tables in a
product that uses Sybase as the database engine. The problem is that
some of the table contain records in such large numbers that it
affects the performance of the application thus we like to move
content older than e.g. a year to an archive instance of the database
on a regular basis. This archive instance will basically have the same
table setup as the original version but will contain the old data.

We have looked at Sybase’s Replication Server but I like to see if
there are any other options available. My biggest worry is fault
tolerance i.e. if anything goes wrong we mustn’t loose any data, i.e.
that a row is deleted from the main database without being written
properly to the archive database. If Sybase supports cross-database
transactions maybe this task can be solved with a simple scheduled
script?

Any suggestions are most welcome.
It is not a good idea to go for replication server for archival
purpose. You can create an archival database, write stored procs /
scripts to archive the data periodically. Write scripts to retrieve
data. Archive periodically and retrieve whenever needed

-HTH
Manish Negandhi
[TeamSybase]





Reply With Quote
  #15  
Old   
Manish Negandhi
 
Posts: n/a

Default Re: Replication/archiving of database content to archive db instance? - 10-23-2008 , 10:24 PM



On Oct 14, 6:30*pm, "ola.thean... (AT) otsystem (DOT) com"
<ola.thean... (AT) otsystem (DOT) com> wrote:
Quote:
Dear subscribers

I’m looking for a solution to archive the content of some tables in a
product that uses Sybase as the database engine. The problem is that
some of the table contain records in such large numbers that it
affects the performance of the application thus we like to move
content older than e.g. a year to an archive instance of the database
on a regular basis. This archive instance will basically have the same
table setup as the original version but will contain the old data.

We have looked at Sybase’s Replication Server but I like to see if
there are any other options available. My biggest worry is fault
tolerance i.e. if anything goes wrong we mustn’t loose any data, i.e.
that a row is deleted from the main database without being written
properly to the archive database. If Sybase supports cross-database
transactions maybe this task can be solved with a simple scheduled
script?

Any suggestions are most welcome.
It is not a good idea to go for replication server for archival
purpose. You can create an archival database, write stored procs /
scripts to archive the data periodically. Write scripts to retrieve
data. Archive periodically and retrieve whenever needed

-HTH
Manish Negandhi
[TeamSybase]





Reply With Quote
  #16  
Old   
Manish Negandhi
 
Posts: n/a

Default Re: Replication/archiving of database content to archive db instance? - 10-23-2008 , 10:24 PM



On Oct 14, 6:30*pm, "ola.thean... (AT) otsystem (DOT) com"
<ola.thean... (AT) otsystem (DOT) com> wrote:
Quote:
Dear subscribers

I’m looking for a solution to archive the content of some tables in a
product that uses Sybase as the database engine. The problem is that
some of the table contain records in such large numbers that it
affects the performance of the application thus we like to move
content older than e.g. a year to an archive instance of the database
on a regular basis. This archive instance will basically have the same
table setup as the original version but will contain the old data.

We have looked at Sybase’s Replication Server but I like to see if
there are any other options available. My biggest worry is fault
tolerance i.e. if anything goes wrong we mustn’t loose any data, i.e.
that a row is deleted from the main database without being written
properly to the archive database. If Sybase supports cross-database
transactions maybe this task can be solved with a simple scheduled
script?

Any suggestions are most welcome.
It is not a good idea to go for replication server for archival
purpose. You can create an archival database, write stored procs /
scripts to archive the data periodically. Write scripts to retrieve
data. Archive periodically and retrieve whenever needed

-HTH
Manish Negandhi
[TeamSybase]





Reply With Quote
  #17  
Old   
Manish Negandhi
 
Posts: n/a

Default Re: Replication/archiving of database content to archive db instance? - 10-23-2008 , 10:24 PM



On Oct 14, 6:30*pm, "ola.thean... (AT) otsystem (DOT) com"
<ola.thean... (AT) otsystem (DOT) com> wrote:
Quote:
Dear subscribers

I’m looking for a solution to archive the content of some tables in a
product that uses Sybase as the database engine. The problem is that
some of the table contain records in such large numbers that it
affects the performance of the application thus we like to move
content older than e.g. a year to an archive instance of the database
on a regular basis. This archive instance will basically have the same
table setup as the original version but will contain the old data.

We have looked at Sybase’s Replication Server but I like to see if
there are any other options available. My biggest worry is fault
tolerance i.e. if anything goes wrong we mustn’t loose any data, i.e.
that a row is deleted from the main database without being written
properly to the archive database. If Sybase supports cross-database
transactions maybe this task can be solved with a simple scheduled
script?

Any suggestions are most welcome.
It is not a good idea to go for replication server for archival
purpose. You can create an archival database, write stored procs /
scripts to archive the data periodically. Write scripts to retrieve
data. Archive periodically and retrieve whenever needed

-HTH
Manish Negandhi
[TeamSybase]





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