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product_docs/docs/bart/2.6.2/bart_user/03_using_bart/04_running_the_bart_wal_scanner.mdx

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@@ -34,7 +34,7 @@ The WAL scanner processes each WAL file to find and record modified blocks in a
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The default approach does not work in some cases; for example when the WAL files are shipped to the `archive_path` using the Network File System (NFS) and also in case of some specific platforms. This results in the WAL files being copied to the `archived_wals` directory, but the WAL scanner does not scan them (as WAL scanner is not aware of WAL file) and produce the MBM files. This results in the failure of an incremental backup. This can be avoided by using the timer-based WAL scanning approach, which is done by using the `scan_interval` parameter in the BART configuration file. The value for `scan_interval` is the number of seconds after which the WAL scanner will initiate force scanning of the new WAL files. See the *EDB Backup and Recovery Installation and Upgrade Guide* available at the [EDB website](/bart/latest/bart_inst/) for more information about `scan_interval` parameter.
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!!! Note
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After upgrading to BART 2.6.1, users who have set this parameter to a non-default value may see increased CPU consumption on the part of bart-scanner. If this is an issue, consider increasing the configured value of scan_interval parameter, or removing the setting if it is not required.
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After upgrading to BART 2.6.2, users who have set this parameter to a non-default value may see increased CPU consumption on the part of bart-scanner. If this is an issue, consider increasing the configured value of scan_interval parameter, or removing the setting if it is not required.
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When the `bart-scanner` program is invoked, it forks a separate process for each database server enabled with the `allow_incremental_backups` parameter.
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