How to increase page size in Db2?
What can I do if I want to change the pagesize of DB2 tablespaces
- Create a bufferpool with 8KB pagesize if you don’t have one already. db2 CREATE BUFFERPOOL bp-name SIZE xxx PAGESIZE 8K.
- Create the tablespaces needed(data,index,lob) with 8KB pagesize.
- Use the following as an example to move a table to the target.
What can be the size of a page in Db2?
Pages can be four sizes: 4, 8, 16, and 32 KB.
What is index page size in Db2?
Compressed indexes can use 8 KB, 16 KB, or 32 KB buffer pools. When you use compressed indexes, more index leaf pages can be stored on a disk. The index leaf pages are compressed down from either 8 KB, 16 KB, or 32 KB to fit into a 4 KB page size. For an 8 KB index page size, the best compression ratio is 2:1.
What is page in Db2?
Pages are the unit of management within a buffer pool. The unit of I/O is one or more pages chained together. Db2 makes a getpage request operation whenever there is a need to access data in a page, either in an index or a table, such as when executing an SQL statement.
What are mandatory components of DB2?
The complex DB2 internal structure has been divided into 5 major components / Address Spaces:
- System Services component / System Services Address Space (Job: DSN1MSTR)
- Locking Services component/ Locking Services Address Space (Job: IRLMPROC)
- Database Services component/ Database Services Address Space (DSN1DBM1)
What is page size in SQLite?
An SQLite database file consists of one or more “pages”. For a single database file, all pages are the same size, though for different database files, the page size can any power of two between 512 and 65536, inclusive. 0 (2016-03-29)) the default page size for new database files has been increased to 4096 bytes.
What is page size in Sybase?
When upgrading to Data Service 4.2 SP2, the Sybase ASE database page size must be 8K or greater. If you create an ASE repository with the page size set to less than 8K (for example, 4K), you will get an error. Create a new repository with a page size of 8K or greater. …