### Repository Bundle Size Example

Source: https://pgbackrest.org/configuration.html

Example configuration for the target size of repository file bundles.

```ini
default: 20MiB
```

```ini
allowed: [1MiB, 1PiB]
```

```ini
example: repo1-bundle-size=10MiB
```

--------------------------------

### Azure Repository Account Example

Source: https://pgbackrest.org/configuration.html

Example configuration for the Azure repository account.

```ini
example: repo1-azure-account=pg-backup
```

--------------------------------

### Configure Fast Backup Start

Source: https://pgbackrest.org/configuration.html

Forces a checkpoint to start the backup immediately. Otherwise, the backup starts after the next regular checkpoint.

```ini
default: n
example: start-fast=y
```

--------------------------------

### Azure Repository Container Example

Source: https://pgbackrest.org/configuration.html

Example configuration for the Azure repository container, including path prefixing.

```ini
example: repo1-azure-container=pg-backup
```

--------------------------------

### Repository Bundles Enable Example

Source: https://pgbackrest.org/configuration.html

Example to enable repository file bundling, which combines smaller files to reduce repository overhead.

```ini
default: n
```

```ini
example: repo1-bundle=y
```

--------------------------------

### Repository Bundle Limit Example

Source: https://pgbackrest.org/configuration.html

Example configuration for the repository bundle limit, defining the maximum size of files included in bundles.

```ini
default: 2MiB
```

```ini
allowed: [8KiB, 1PiB]
```

```ini
example: repo1-bundle-limit=10MiB
```

--------------------------------

### Azure Repository Key Example

Source: https://pgbackrest.org/configuration.html

Example configuration for the Azure repository key, which can be a shared key or SAS.

```ini
example: repo1-azure-key=T+9+aov82qNhrcXSNGZCzm9mjd4d75/oxxOr6r1JVpgTLA==
```

--------------------------------

### Azure Repository Endpoint Example

Source: https://pgbackrest.org/configuration.html

Example configuration for the Azure repository endpoint, useful for custom or government cloud configurations.

```ini
default: blob.core.windows.net
```

```ini
example: repo1-azure-endpoint=blob.core.usgovcloudapi.net
```

--------------------------------

### Block Incremental Backup Enable Example

Source: https://pgbackrest.org/configuration.html

Example to enable block incremental backup, which splits files into smaller blocks for efficiency.

```ini
default: n
```

```ini
example: repo1-block=y
```

--------------------------------

### Azure Repository Key Type Example

Source: https://pgbackrest.org/configuration.html

Example configuration for the Azure repository key type, specifying authorization method.

```ini
default: shared
```

```ini
example: repo1-azure-key-type=sas
```

--------------------------------

### Azure Repository URI Style Example

Source: https://pgbackrest.org/configuration.html

Example configuration for the Azure repository URI style, determining how the endpoint and account are combined.

```ini
default: host
```

```ini
example: repo1-azure-uri-style=path
```

--------------------------------

### Specify Custom pgBackRest Command

Source: https://pgbackrest.org/configuration.html

Allows overriding the default pgBackRest command path, useful for custom wrappers or installations. Wrapping the command is not recommended due to potential unpredictable behavior.

```shell
cmd=/var/lib/pgsql/bin/pgbackrest_wrapper.sh
```

--------------------------------

### Remap All Tablespaces to a New Directory

Source: https://pgbackrest.org/configuration.html

Use the tablespace-map-all option to specify a parent path for all tablespaces during restore. This is useful for development or staging environments with different storage layouts. Tablespaces created after the backup started will not be mapped.

```bash
example: tablespace-map-all=/data/tablespace
```

--------------------------------

### Set Maximum Archive Get Queue Size

Source: https://pgbackrest.org/configuration.html

Configure the maximum size of the pgBackRest archive-get queue when asynchronous archiving is enabled. This queue is stored in the spool-path.

```ini
archive-get-queue-max=1GiB
```

--------------------------------

### Configure PostgreSQL Host Client Certificate File

Source: https://pgbackrest.org/configuration.html

Provide the path to the client certificate file for connecting to the PostgreSQL host using pg-host-cert-file. This certificate is sent to the PostgreSQL host to prove client identity.

```bash
example: pg1-host-cert-file=/path/to/client.crt
```

--------------------------------

### Specify PostgreSQL Host Key File

Source: https://pgbackrest.org/configuration.html

Provides the path to the client key file used for proving the client certificate was sent by the owner.

```shell
pg1-host-key-file=/path/to/client.key
```

--------------------------------

### Configure PostgreSQL Host Configuration File Path

Source: https://pgbackrest.org/configuration.html

Set the location of the pgBackRest configuration file on the PostgreSQL host using pg-host-config. This is only required if the configuration file is in a different location on the PostgreSQL host compared to the local machine.

```bash

```

--------------------------------

### Configure Repository Path

Source: https://pgbackrest.org/configuration.html

Specifies the main path on the repository host where backups and WAL archives are stored.

```ini
default: /var/lib/pgbackrest
example: repo1-path=/backup/db/backrest
```

--------------------------------

### Annotate Backup with Key/Value Pairs

Source: https://pgbackrest.org/configuration.html

Add user-defined key/value annotations to a backup. This option can be used multiple times for multiple annotations.

```ini
annotation=source="Sunday backup for website database"
```

--------------------------------

### Specify Repository Host Key File

Source: https://pgbackrest.org/configuration.html

Sets the path to the client key file used to prove the client certificate was sent by the owner for repository host authentication.

```ini
example: repo1-host-key-file=/path/to/client.key
```

--------------------------------

### Set PostgreSQL Host Configuration Include Path

Source: https://pgbackrest.org/configuration.html

Specifies the location of the configuration include path on the PostgreSQL host. This is only needed if it differs from the local configuration include path.

```shell
pg1-host-config-include-path=/conf/pgbackrest/conf.d
```

--------------------------------

### Configure PostgreSQL Host pgBackRest Command Path

Source: https://pgbackrest.org/configuration.html

Specify the path to the pgBackRest command on the PostgreSQL host with pg-host-cmd. This is only necessary if the pgBackRest binary is not in the default location or is different from the local host's path. The default is the path of the executed pgBackRest binary.

```bash
default: [path of executed pgbackrest binary]
example: pg1-host-cmd=/usr/lib/backrest/bin/pgbackrest
```

--------------------------------

### Configure Backup from Standby

Source: https://pgbackrest.org/configuration.html

Enables backing up from a standby cluster to reduce load on the primary. Supported modes are 'y' (standby required), 'prefer' (standby if available, else primary), and 'n' (primary only).

```ini
default: n
example: backup-standby=y
```

--------------------------------

### Set Repository Host Configuration Path

Source: https://pgbackrest.org/configuration.html

Specifies the location of the configuration path on the repository host. This is only needed if it differs from the local configuration path.

```ini
default: CFGOPTDEF_CONFIG_PATH
example: repo1-host-config-path=/conf/pgbackrest
```

--------------------------------

### Configure Repository Symlink Creation

Source: https://pgbackrest.org/configuration.html

Enable or disable the creation of 'latest' and 'tablespace' symlinks within the repository. Default is 'y' (enabled) for legacy purposes.

```ini
default: y
example: repo1-symlink=n
```

--------------------------------

### Configure Database Query Timeout

Source: https://pgbackrest.org/configuration.html

Sets the maximum time in seconds for database queries, including backup start/stop operations. This value must be less than 'protocol-timeout'.

```shell
db-timeout=600
```

--------------------------------

### Set Log File Path

Source: https://pgbackrest.org/configuration.html

Specifies the directory where pgBackRest will store log files. This is only required if file logging is enabled.

```ini
log-path=/backup/db/log
```

--------------------------------

### Set PostgreSQL Host Configuration Path

Source: https://pgbackrest.org/configuration.html

Sets the location of the configuration path on the PostgreSQL host. This is only required if it's different from the local configuration path.

```shell
pg1-host-config-path=/conf/pgbackrest
```

--------------------------------

### Configure Backup Resume

Source: https://pgbackrest.org/configuration.html

Enables resuming failed backups. This can significantly reduce backup time after a failure but adds complexity.

```ini
default: y
example: resume=n
```

--------------------------------

### Configure Repository Type

Source: https://pgbackrest.org/configuration.html

Specifies the type of repository to be used for backups. 'posix' is the default, while 'cifs' can be used for specific network file systems.

```ini
default: posix
example: repo1-type=cifs
```

--------------------------------

### Set PostgreSQL Host Configuration Path (Deprecated)

Source: https://pgbackrest.org/configuration.html

Deprecated option to set the configuration path on the PostgreSQL host. Use --pg-host-config-path instead.

```shell
pg1-host-config=/conf/pgbackrest/pgbackrest.conf
```

--------------------------------

### Configure PostgreSQL Host Certificate Authority File

Source: https://pgbackrest.org/configuration.html

Specify a custom Certificate Authority (CA) file for connecting to the PostgreSQL host with pg-host-ca-file. This allows using a CA other than the system's default.

```bash
example: pg1-host-ca-file=/etc/pki/tls/certs/ca-bundle.crt
```

--------------------------------

### Include Specific Databases During Restore

Source: https://pgbackrest.org/configuration.html

Restores only the specified databases from a backup. Databases not explicitly included are restored as sparse files. Built-in databases are always restored unless excluded.

```ini
example: db-include=db_main
```

--------------------------------

### Specify TLS Server Key File

Source: https://pgbackrest.org/configuration.html

Set the path to the server's TLS private key file with tls-server-key-file. This key is used to prove the authenticity of the server's certificate.

```bash
example: tls-server-key-file=/path/to/server.key
```

--------------------------------

### Set Target Time for Versioned Repository

Source: https://pgbackrest.org/configuration.html

Specify a target time to read a versioned repository, useful for recovering data from a specific point in time. Requires the 'repo' option to be set.

```ini
example: repo-target-time=2024-08-08 12:12:12+00
```

--------------------------------

### Configure Buffer Size

Source: https://pgbackrest.org/configuration.html

Sets the buffer size for I/O operations.

```ini
Buffer size for I/O operations.
```

--------------------------------

### Define Repository Host User

Source: https://pgbackrest.org/configuration.html

Sets the user for operations on the repository host. It's recommended to use a dedicated user like 'pgbackrest' rather than the 'postgres' user for security.

```ini
default: pgbackrest
example: repo1-host-user=repo-user
```

--------------------------------

### Set PostgreSQL Recovery Options

Source: https://pgbackrest.org/configuration.html

Configures options in postgresql.auto.conf (PostgreSQL >= 12) or recovery.conf (older versions). pgBackRest automatically generates the restore_command but it can be overridden.

```ini
example: recovery-option=primary_conninfo=db.mydomain.com
```

--------------------------------

### Enable Asynchronous Archiving

Source: https://pgbackrest.org/configuration.html

Use this option to enable asynchronous operation for archive-push and archive-get commands for improved efficiency.

```ini
archive-async=y
```

--------------------------------

### Set Repository Storage Host

Source: https://pgbackrest.org/configuration.html

Connect to a storage host other than the default endpoint, typically for testing.

```ini
example: repo1-storage-host=127.0.0.1
```

--------------------------------

### Configure SSH Client Command

Source: https://pgbackrest.org/configuration.html

Specifies an alternative SSH client command if the default 'ssh' is not in the PATH or a different client is required.

```shell
cmd-ssh=/usr/bin/ssh
```

--------------------------------

### Specify TLS Server Certificate File

Source: https://pgbackrest.org/configuration.html

Provide the path to the server's TLS certificate file using tls-server-cert-file. This certificate is sent to clients to establish the server's identity.

```bash
example: tls-server-cert-file=/path/to/server.crt
```

--------------------------------

### Configure PostgreSQL Host Certificate Authority Path

Source: https://pgbackrest.org/configuration.html

Use the pg-host-ca-path option to specify a custom Certificate Authority (CA) path for connecting to the PostgreSQL host. This allows using a CA path other than the system's default.

```bash
example: pg1-host-ca-path=/etc/pki/tls/certs
```

--------------------------------

### Set Repository Storage Tags

Source: https://pgbackrest.org/configuration.html

Add tags to objects when the repository is an object store (e.g., S3). Tags are immutable after creation.

```ini
example: repo1-storage-tag=key1=value1
```

--------------------------------

### Set PostgreSQL Data Directory Path

Source: https://pgbackrest.org/configuration.html

Defines the PostgreSQL data directory. This should match the data_directory reported by PostgreSQL and is crucial for restore or offline backup scenarios.

```shell
pg1-path=/data/db
```

--------------------------------

### Set Buffer Size for Operations

Source: https://pgbackrest.org/configuration.html

Configures the buffer size for copy, compress, and encrypt operations. Larger buffers can impact memory usage.

```shell
buffer-size=2MiB
```

--------------------------------

### Set Repository Storage Port

Source: https://pgbackrest.org/configuration.html

Specify the port for connecting to the storage endpoint (e.g., S3, Azure). Default is 443.

```ini
default: 443
allowed: [1, 65535]
example: repo1-storage-port=9000
```

--------------------------------

### Set Storage CA Path

Source: https://pgbackrest.org/configuration.html

Specify a custom CA path for storage certificates (e.g., S3, Azure).

```ini
example: repo1-storage-ca-path=/etc/pki/tls/certs
```

--------------------------------

### Configure Page Checksum Validation

Source: https://pgbackrest.org/configuration.html

Validates data page checksums during backup. Failures are logged as warnings and stored in the backup manifest, but do not abort the backup.

```ini
example: checksum-page=n
```

--------------------------------

### Configure Manifest Save Threshold

Source: https://pgbackrest.org/configuration.html

Defines how often the manifest is saved during a backup. The actual threshold is 1% of the backup size or the configured value, whichever is greater.

```ini
default: 1GiB
allowed: [1B, 1TiB]
example: manifest-save-threshold=8GiB
```

--------------------------------

### Set Repository Host Protocol Type

Source: https://pgbackrest.org/configuration.html

Specifies the protocol type for connecting to the repository host. Supported types are ssh (Secure Shell) and tls (pgBackRest TLS server).

```ini
default: ssh
example: repo1-host-type=tls
```

--------------------------------

### Enable Delta Operations with Checksums

Source: https://pgbackrest.org/configuration.html

Activates delta operations using checksums for both backup and restore. During restore, it allows existing directories to be populated. During backup, it uses checksums instead of timestamps to determine file changes.

```shell
delta=y
```

--------------------------------

### Set PostgreSQL Host User

Source: https://pgbackrest.org/configuration.html

Specifies the database user for logging into the PostgreSQL host. This user also owns the remote pgBackRest process and initiates PostgreSQL connections.

```shell
pg1-host-user=db_owner
```

--------------------------------

### Configure Archive Copy

Source: https://pgbackrest.org/configuration.html

Enables copying WAL segments to the archive. The 'archive-check' option must be enabled if 'archive-copy' is enabled.

```ini
default: n
example: archive-copy=y
```

--------------------------------

### Specify Lock File Path

Source: https://pgbackrest.org/configuration.html

Sets the directory where pgBackRest creates lock files to prevent concurrent operations. The default path is '/tmp/pgbackrest'.

```shell
lock-path=/backup/db/lock
```

--------------------------------

### Restore All Symlinks

Source: https://pgbackrest.org/configuration.html

Restores all symlinked directories and files to their original destinations. This option is useful when restoring to systems with identical storage layouts.

```ini
default: n
example: link-all=y
```

--------------------------------

### Enable Subprocess Logging

Source: https://pgbackrest.org/configuration.html

Enables file logging for subprocesses. Set to 'y' to activate logging in child processes.

```ini
log-subprocess=y
```

--------------------------------

### Configure PostgreSQL Database Name for Stanza

Source: https://pgbackrest.org/configuration.html

Specify the PostgreSQL database name to use when connecting for a stanza with the pg-database option. The default is 'postgres', but this can be overridden if needed. The PGDATABASE environment variable is ignored.

```bash
default: postgres
example: pg1-database=backupdb
```

--------------------------------

### Set PostgreSQL Database User

Source: https://pgbackrest.org/configuration.html

Specifies the database user name for connecting to PostgreSQL. Defaults to the local OS user or PGUSER if not provided.

```shell
pg1-user=backupuser
```

--------------------------------

### Set PostgreSQL Host Protocol Type

Source: https://pgbackrest.org/configuration.html

Defines the protocol type for connecting to the PostgreSQL host. Supported types are 'ssh' and 'tls'.

```shell
pg1-host-type=tls
```

--------------------------------

### Set Repository Storage Upload Chunk Size

Source: https://pgbackrest.org/configuration.html

Configure the chunk size for uploading files to object stores. Larger sizes can improve performance but increase memory usage. Defaults vary by repo-type (azure/gcs: 4MiB, s3: 5MiB).

```ini
default (depending on repo-type):
   azure - 4MiB
   gcs - 4MiB
   s3 - 5MiB

allow range (depending on repo-type):
   azure - [4MiB, 1GiB]
   gcs - [4MiB, 1GiB]
   s3 - [5MiB, 1GiB]

example: repo1-storage-upload-chunk-size=16MiB
```

--------------------------------

### Configure TLS Server Address

Source: https://pgbackrest.org/configuration.html

Set the IP address the pgBackRest TLS server will listen on for client requests using the tls-server-address option. The default is 'localhost'.

```bash
default: localhost
example: tls-server-address=*
```

--------------------------------

### Set PostgreSQL Unix Socket Path

Source: https://pgbackrest.org/configuration.html

Specifies the path to the PostgreSQL unix socket directory. Typically auto-detected unless modified in postgresql.conf.

```shell
pg1-socket-path=/var/run/postgresql
```

--------------------------------

### Set Archive Timeout

Source: https://pgbackrest.org/configuration.html

Specify the maximum time in seconds to wait for each WAL segment to reach the pgBackRest archive repository. Applies to check and backup commands.

```ini
archive-timeout=30
```

--------------------------------

### Set PostgreSQL Port

Source: https://pgbackrest.org/configuration.html

Specifies the port on which PostgreSQL is running. Usually not required as most clusters use the default port.

```shell
pg1-port=6543
```

--------------------------------

### Authorize TLS Server Clients by Certificate CN

Source: https://pgbackrest.org/configuration.html

Configure the tls-server-auth option to authorize clients by verifying their certificate and checking their Common Name (CN) against a server-side list. Wildcards are not permitted for client CNs.

```bash
example: tls-server-auth=client-cn=stanza1,stanza2
```

--------------------------------

### Set File Compression Type

Source: https://pgbackrest.org/configuration.html

Specifies the type of file compression to use. Supported types include none, bz2, gz, lz4, and zst.

```shell
compress-type=none
```

--------------------------------

### Map Tablespace to New Location

Source: https://pgbackrest.org/configuration.html

Moves a PostgreSQL tablespace to a new directory during restore. This is useful when tablespace locations differ between systems or after upgrades.

```ini
example: tablespace-map=ts_01=/db/ts_01
```

--------------------------------

### Specify TLS Server Certificate Authority File

Source: https://pgbackrest.org/configuration.html

Use the tls-server-ca-file option to specify a Certificate Authority (CA) file for verifying client certificates. This ensures client certificates are signed by a trusted CA.

```bash
example: tls-server-ca-file=/path/to/server.ca
```

--------------------------------

### Force PostgreSQL Version

Source: https://pgbackrest.org/configuration.html

Forces pgBackRest to use a specific PostgreSQL version, useful for forks or development versions. Specify the version number, e.g., '15'.

```ini
pg-version-force=15
```

--------------------------------

### Configure Repository Host Port

Source: https://pgbackrest.org/configuration.html

Defines the port for the repository host protocol when repo-host is set. For ssh, it defaults to the port configured for cmd-ssh. For tls, the default is 8432.

```ini
default (depending on repo-host-type):
   tls - 8432

allowed: [0, 65535]
example: repo1-host-port=25
```

--------------------------------

### Configure Remote PostgreSQL Host for Stanza

Source: https://pgbackrest.org/configuration.html

Set the hostname for remote PostgreSQL connections within a stanza using the pg-host option. This is required when the PostgreSQL server is on a different host than the repository.

```bash
example: pg1-host=db.domain.com
```

--------------------------------

### Set File Log Level

Source: https://pgbackrest.org/configuration.html

Configures the verbosity of log messages written to files. Use 'debug' for detailed troubleshooting information.

```ini
log-level-file=debug
```

--------------------------------

### Configure Repository Storage TLS Certificate Verification

Source: https://pgbackrest.org/configuration.html

Enable or disable verification of the storage server's TLS certificate. Default is 'y' (enabled). Disabling is for testing with self-signed certificates.

```ini
default: y
example: repo1-storage-verify-tls=n
```

--------------------------------

### Set Maximum Archive Push Queue Size

Source: https://pgbackrest.org/configuration.html

Define the maximum size of the PostgreSQL archive queue. Exceeding this limit can interrupt the archive log stream and prevent PITR.

```ini
archive-push-queue-max=1TiB
```

--------------------------------

### Configure Automatic Expiration

Source: https://pgbackrest.org/configuration.html

Automatically runs the expire command after a successful backup. Disabling this option can lead to repository space issues if expire is not run manually.

```ini
default: y
example: expire-auto=y
```

--------------------------------

### Set Console Log Level

Source: https://pgbackrest.org/configuration.html

Configures the verbosity of log messages output to the console. Use 'error' to log only critical issues.

```ini
log-level-console=error
```

--------------------------------

### Set I/O Timeout for Operations

Source: https://pgbackrest.org/configuration.html

Defines the timeout in seconds for I/O operations, including connections and read/write actions. Progress must be made within this timeout, even if it's just a single byte.

```shell
io-timeout=120
```

--------------------------------

### Exclude Paths/Files from Backup

Source: https://pgbackrest.org/configuration.html

Excludes specified paths or files relative to $PGDATA. Use caution as incorrect exclusions can lead to inconsistent backups. Exclusions are not honored on delta restores.

```ini
example: exclude=junk/
```

--------------------------------

### Set Network Compression Level

Source: https://pgbackrest.org/configuration.html

Configures the compression level for network traffic when 'compress-type' is 'none' and the operation is remote. This setting is ignored if file compression is active.

```shell
compress-level-network=1
```

--------------------------------

### Control Archive Mode on Restore

Source: https://pgbackrest.org/configuration.html

Determines whether archiving is preserved or disabled on a restored PostgreSQL cluster. Use 'off' to disable archiving, which is useful when the cluster is promoted but not intended to be the new primary.

```ini
default: preserve
example: archive-mode=off
```

--------------------------------

### Set File Compression Level

Source: https://pgbackrest.org/configuration.html

Defines the compression level for file compression when 'compress-type' is not 'none' or 'compress' is enabled (deprecated). The allowed range varies by compression type.

```shell
compress-level=9
```

--------------------------------

### Control Archive Mode Check

Source: https://pgbackrest.org/configuration.html

Disallows PostgreSQL archive_mode=always when enabled. This helps prevent conflicts from WAL segments pushed from multiple sources.

```ini
default: y
example: archive-mode-check=n
```

--------------------------------

### Set Stderr Log Level

Source: https://pgbackrest.org/configuration.html

Configures which log levels are output to stderr instead of stdout. Use 'error' to capture only error messages in stderr.

```ini
log-level-stderr=error
```

--------------------------------

### Modify Symlink Destination

Source: https://pgbackrest.org/configuration.html

Allows changing the destination path of a symlink during restore. This is helpful for restoring to systems with different storage layouts than the original backup system.

```ini
example: link-map=pg_xlog=/data/xlog
```

--------------------------------

### Exclude Databases During Restore

Source: https://pgbackrest.org/configuration.html

Restores a PostgreSQL cluster while excluding specified databases. Excluded databases are restored as sparse files and can be dropped after recovery. This option can be specified multiple times.

```ini
example: db-exclude=db_main
```

--------------------------------

### Configure TLS Server Port

Source: https://pgbackrest.org/configuration.html

Define the port the pgBackRest TLS server will listen on for client requests using the tls-server-port option. The default port is 8432, and allowed values range from 1 to 65535.

```bash
default: 8432
allowed: [1, 65535]
example: tls-server-port=8000
```

--------------------------------

### Set Archive Retention Count

Source: https://pgbackrest.org/configuration.html

Determines the number of continuous WAL segments to retain. WAL segments essential for backup consistency are always kept until the backup expires.

```ini
allowed: [1, 9999999]
example: repo1-retention-archive=2
```

--------------------------------

### Disable File Compression

Source: https://pgbackrest.org/configuration.html

Turns off file compression. This option is deprecated; use 'compress-type' instead.

```shell
compress=n
```

--------------------------------

### Set PostgreSQL Host Port

Source: https://pgbackrest.org/configuration.html

Specifies a non-default port for the PostgreSQL host protocol when pg-host is set. For ssh type, it defaults to the command's configured port.

```shell
pg1-host-port=25
```

--------------------------------

### Configure Differential Backup Retention

Source: https://pgbackrest.org/configuration.html

Sets the number of differential backups to retain. When a differential backup expires, its associated incremental backups also expire. Full backups are counted towards this limit.

```ini
Note that full backups are included in the count of differential backups for the purpose of expiration. This slightly reduces the number of differential backups that need to be retained in most cases.
```

--------------------------------

### Configure Archive Retention Type

Source: https://pgbackrest.org/configuration.html

Defines the backup type used for WAL retention. Options include 'full', 'diff', and 'incr', affecting which backups WAL segments are associated with for expiration.

```ini
default: full
example: repo1-retention-archive-type=diff
```

--------------------------------

### Disable Archive Check Before Backup

Source: https://pgbackrest.org/configuration.html

Disable the check that verifies WAL segments are in the archive before the backup completes. This option must be enabled if archive-copy is enabled.

```ini
archive-check=n
```

--------------------------------

### Disable Neutral Umask

Source: https://pgbackrest.org/configuration.html

Disables the use of a neutral umask (0000), allowing the system's umask to be used for file and directory permissions. This is useful when specific umask settings are required.

```shell
neutral-umask=n
```

--------------------------------

### Disable Page Header Check

Source: https://pgbackrest.org/configuration.html

Disables checks on PostgreSQL page headers. Set to 'n' to avoid this check, typically for encrypted pages.

```ini
page-header-check=n
```

--------------------------------

### Disable WAL Header Check

Source: https://pgbackrest.org/configuration.html

Disables the check for PostgreSQL version and ID in WAL headers. Use 'n' when WAL is encrypted or for specific compatibility needs.

```ini
archive-header-check=n
```

--------------------------------

### Disable Log Timestamp

Source: https://pgbackrest.org/configuration.html

Disables the timestamp prefix in log messages. Set to 'n' to remove timestamps from console and file logs.

```ini
log-timestamp=n
```

--------------------------------

### Disable Retry Missing WAL Segment

Source: https://pgbackrest.org/configuration.html

Disable the retry mechanism for missing WAL segments in asynchronous mode. This helps PostgreSQL recognize the end of WAL in the archive sooner.

```ini
archive-missing-retry=n
```

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