From 64d4aab90c842ace8683fa7143f4835e5185bf92 Mon Sep 17 00:00:00 2001 From: Xiaozhen Liu Date: Thu, 26 Aug 2021 18:52:01 +0800 Subject: [PATCH] change expressions related to statement summary tables --- system-variables.md | 10 +++++----- tidb-configuration-file.md | 6 +++--- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/system-variables.md b/system-variables.md index 475db3907540c..bb0161c5ff3bb 100644 --- a/system-variables.md +++ b/system-variables.md @@ -1278,34 +1278,34 @@ SET tidb_slow_log_threshold = 200; - Scope: SESSION | GLOBAL - Default value: `24` - Range: `[0, 255]` -- This variable is used to set the history capacity of the statement summary. +- This variable is used to set the history capacity of [statement summary tables](/statement-summary-tables.md). ### tidb_stmt_summary_internal_query New in v4.0 - Scope: SESSION | GLOBAL - Default value: `OFF` -- This variable is used to control whether to include the SQL information of TiDB in the statement summary. +- This variable is used to control whether to include the SQL information of TiDB in [statement summary tables](/statement-summary-tables.md). ### tidb_stmt_summary_max_sql_length New in v4.0 - Scope: SESSION | GLOBAL - Default value: `4096` - Range: `[0, 2147483647]` -- This variable is used to control the length of the SQL string in the statement summary. +- This variable is used to control the length of the SQL string in [statement summary tables](/statement-summary-tables.md). ### tidb_stmt_summary_max_stmt_count New in v4.0 - Scope: SESSION | GLOBAL - Default value: `3000` - Range: `[1, 32767]` -- This variable is used to set the maximum number of statements that the statement summary stores in memory. +- This variable is used to set the maximum number of statements that [statement summary tables](/statement-summary-tables.md) store in memory. ### tidb_stmt_summary_refresh_interval New in v4.0 - Scope: SESSION | GLOBAL - Default value: `1800` - Range: `[1, 2147483647]` -- This variable is used to set the refresh time of the statement summary. The unit is second. +- This variable is used to set the refresh time of [statement summary tables](/statement-summary-tables.md). The unit is second. ### tidb_store_limit New in v3.0.4 and v4.0 diff --git a/tidb-configuration-file.md b/tidb-configuration-file.md index e9affe81b71b4..eaa6b6662788f 100644 --- a/tidb-configuration-file.md +++ b/tidb-configuration-file.md @@ -610,16 +610,16 @@ Configuration related to the status of TiDB service. ## stmt-summary New in v3.0.4 -Configurations related to the `statements_summary` table. +Configurations related to [statement summary tables](/statement-summary-tables.md). ### max-stmt-count -- The maximum number of SQL categories allowed to be saved in the `statements_summary` table. +- The maximum number of SQL categories allowed to be saved in [statement summary tables](/statement-summary-tables.md). - Default value: `3000` ### max-sql-length -- The longest display length for the `DIGEST_TEXT` and `QUERY_SAMPLE_TEXT` columns in the `statements_summary` table. +- The longest display length for the `DIGEST_TEXT` and `QUERY_SAMPLE_TEXT` columns in [statement summary tables](/statement-summary-tables.md). - Default value: `4096` ## pessimistic-txn