From d14c9f9433bffed1db28f51c85e9e304fb83bdc9 Mon Sep 17 00:00:00 2001 From: Liu Jicong Date: Thu, 1 Sep 2022 15:17:33 +0800 Subject: [PATCH] docs: change description according to behavior --- docs/en/12-taos-sql/02-database.md | 6 +++--- docs/zh/12-taos-sql/02-database.md | 6 +++--- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/docs/en/12-taos-sql/02-database.md b/docs/en/12-taos-sql/02-database.md index d9dadae976..5a84bbf370 100644 --- a/docs/en/12-taos-sql/02-database.md +++ b/docs/en/12-taos-sql/02-database.md @@ -71,9 +71,9 @@ database_option: { - SINGLE_STABLE: specifies whether the database can contain more than one supertable. - 0: The database can contain multiple supertables. - 1: The database can contain only one supertable. -- WAL_RETENTION_PERIOD: specifies the time after which WAL files are deleted. This parameter is used for data subscription. Enter a time in seconds. The default value is 0. A value of 0 indicates that each WAL file is deleted immediately after its contents are written to disk. -1: WAL files are never deleted. -- WAL_RETENTION_SIZE: specifies the size at which WAL files are deleted. This parameter is used for data subscription. Enter a size in KB. The default value is 0. A value of 0 indicates that each WAL file is deleted immediately after its contents are written to disk. -1: WAL files are never deleted. -- WAL_ROLL_PERIOD: specifies the time after which WAL files are rotated. After this period elapses, a new WAL file is created. The default value is 0. A value of 0 indicates that a new WAL file is created only after the previous WAL file was written to disk. +- WAL_RETENTION_PERIOD: specifies the time after which WAL files are deleted. This parameter is used for data subscription. Enter a time in seconds. The default value of single copy is 0. A value of 0 indicates that each WAL file is deleted immediately after its contents are written to disk. -1: WAL files are never deleted. The default value of multiple copy is 4 days. +- WAL_RETENTION_SIZE: specifies the size at which WAL files are deleted. This parameter is used for data subscription. Enter a size in KB. The default value of single copy is 0. A value of 0 indicates that each WAL file is deleted immediately after its contents are written to disk. -1: WAL files are never deleted. The default value of multiple copy is -1. +- WAL_ROLL_PERIOD: specifies the time after which WAL files are rotated. After this period elapses, a new WAL file is created. The default value of single copy is 0. A value of 0 indicates that a new WAL file is created only after the previous WAL file was written to disk. The default values of multiple copy is 1 day. - WAL_SEGMENT_SIZE: specifies the maximum size of a WAL file. After the current WAL file reaches this size, a new WAL file is created. The default value is 0. A value of 0 indicates that a new WAL file is created only after the previous WAL file was written to disk. ### Example Statement diff --git a/docs/zh/12-taos-sql/02-database.md b/docs/zh/12-taos-sql/02-database.md index 1675356c49..2e5a42d7bd 100644 --- a/docs/zh/12-taos-sql/02-database.md +++ b/docs/zh/12-taos-sql/02-database.md @@ -71,9 +71,9 @@ database_option: { - SINGLE_STABLE：表示此数据库中是否只可以创建一个超级表，用于超级表列非常多的情况。 - 0：表示可以创建多张超级表。 - 1：表示只可以创建一张超级表。 -- WAL_RETENTION_PERIOD：wal 文件的额外保留策略，用于数据订阅。wal 的保存时长，单位为 s。默认为 0，即落盘后立即删除。-1 表示不删除。 -- WAL_RETENTION_SIZE：wal 文件的额外保留策略，用于数据订阅。wal 的保存的最大上限，单位为 KB。默认为 0，即落盘后立即删除。-1 表示不删除。 -- WAL_ROLL_PERIOD：wal 文件切换时长，单位为 s。当 wal 文件创建并写入后，经过该时间，会自动创建一个新的 wal 文件。默认为 0，即仅在落盘时创建新文件。 +- WAL_RETENTION_PERIOD：wal 文件的额外保留策略，用于数据订阅。wal 的保存时长，单位为 s。单副本默认为 0，即落盘后立即删除。-1 表示不删除。多副本默认为 4 天。 +- WAL_RETENTION_SIZE：wal 文件的额外保留策略，用于数据订阅。wal 的保存的最大上限，单位为 KB。单副本默认为 0，即落盘后立即删除。多副本默认为-1，表示不删除。 +- WAL_ROLL_PERIOD：wal 文件切换时长，单位为 s。当 wal 文件创建并写入后，经过该时间，会自动创建一个新的 wal 文件。单副本默认为 0，即仅在落盘时创建新文件。多副本默认为 1 天。 - WAL_SEGMENT_SIZE：wal 单个文件大小，单位为 KB。当前写入文件大小超过上限后会自动创建一个新的 wal 文件。默认为 0，即仅在落盘时创建新文件。 ### 创建数据库示例 -- GitLab