|Oracle GoldenGate Installation (01)|
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Operating System Requirements: Swap
The crucial component while considering memory requirements for an Oracle GoldenGate MA installation is the temporary storage of RAM to disk, which is commonly known as swapping or paging.
Excessive swapping to disk causes performance issues for the Extract process because it must store data from each open transaction until a commit record is received.
For production systems, Oracle recommends a minimum of 512 gigabytes for the swap partition/file, particularly if Oracle GoldenGate is installed on the same computer where the Oracle RDBMS resides.
Operating System Requirements: Disk
The distribution kit file is approximately 1 gigabyte in size (can be erased after the installation). The Oracle GoldenGate MA directory with executables and required components takes approximately 1.6 gigabytes of space on disk.
Allow for an additional 1 GB of disk space on any system that hosts the Oracle GoldenGate trail files. Oracle GoldenGate maintains the transaction data that it swaps to a subdirectory of the Oracle GoldenGate deployment directory. This directory may fill up quickly if there is a large transaction volume with large transaction sizes.
In production systems, in order to prevent I/O contention and possible disk-related failures, Oracle recommends dedicating a disk to this directory.