From 4b0e4a322a768572c944e280ceea1870768c0daa Mon Sep 17 00:00:00 2001 From: yibin87 Date: Fri, 27 Feb 2026 15:48:44 +0800 Subject: [PATCH 1/2] Add two internal session variables info Signed-off-by: yibin87 --- system-variables.md | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/system-variables.md b/system-variables.md index 79af0db79a694..400df46746037 100644 --- a/system-variables.md +++ b/system-variables.md @@ -7122,3 +7122,11 @@ Internally, the TiDB parser transforms the `SET TRANSACTION ISOLATION LEVEL [REA - Type: Boolean - Default value: `ON` - This variable controls whether to use the high precision mode when computing the [window functions](/functions-and-operators/window-functions.md). + +### InPacketBytes + +- This variable is only used for internal metering. + +### OutPacketBytes + +- This variable is only used for internal metering. From f73ea23413e06d872a591e229ade344a6e056c98 Mon Sep 17 00:00:00 2001 From: yibin87 Date: Fri, 27 Feb 2026 16:11:44 +0800 Subject: [PATCH 2/2] Little update Signed-off-by: yibin87 --- system-variables.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/system-variables.md b/system-variables.md index 400df46746037..f8d27e786e32e 100644 --- a/system-variables.md +++ b/system-variables.md @@ -7125,8 +7125,8 @@ Internally, the TiDB parser transforms the `SET TRANSACTION ISOLATION LEVEL [REA ### InPacketBytes -- This variable is only used for internal metering. +- This variable is only used for internal metering, not visible to users. ### OutPacketBytes -- This variable is only used for internal metering. +- This variable is only used for internal metering, not visible to users.