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docs/source/includes/common/scanner.rst
Daryl White 96224468c4
Add concept pages for Scanner and Healing (#1192)
Adds concept pages for healing and the scanner.
Updates other related files for better context.
    
Adds ref links and other related updates.
    
Closes #1168
2024-04-25 14:27:25 -04:00

2.1 KiB

You can adjust how MinIO balances the scanner performance with read/write operations using either the MINIO_SCANNER_SPEED environment variable or the scanner speed <scanner.speed> configuration setting.

MinIO utilizes the scanner <minio-concepts-scanner> for bucket replication <minio-bucket-replication>, site replication <minio-site-replication-overview>, lifecycle management <minio-lifecycle-management>, and healing <minio-concepts-healing> tasks.

Valid values include:

fastest Removes scanner wait on read/write latency, allowing the scanner to operate at full-speed and IOPS consumption. This setting may result in reduced read and write performance.
fast Sets a short scanner wait time on read/write latency, allowing the scanner to operate at a higher speed and IOPS consumption. This setting may result in reduced read and write performance.
default Sets a moderate scanner wait time on read/write latency, allowing the scanner to operate at a balanced speed and IOPS consumption. This setting seeks to maintain read and write performance while allowing ongoing scanner activity.

slow

Sets a medium scanner wait time on read/write latency, where the scanner operates at a reduced speed and IOPS consumption. This setting allows better read and write performance while reducing scanner performance.

May impact scanner-dependent features, such as lifecycle management and replication.

slowest

Sets a large scanner wait time on read/write latency, where the scanner operates at a substantially lower speed and IOPS consumption. This setting prioritizes read and write operations at the potential cost of scanner operations.

May impact scanner-dependent features, such as lifecycle management and replication.