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fix: set max value of supportVnodes from 4096 to 1024. #34497

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Merged
guanshengliang merged 2 commits into from
Feb 5, 2026
Merged

fix: set max value of supportVnodes from 4096 to 1024. #34497

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5d7b1d0
fix: set max value of supportVnodes from 4096 to 1024.
xiao-77 Feb 4, 2026
88d224f
fix: ci test errors.
xiao-77 Feb 4, 2026
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2 changes: 1 addition & 1 deletion docs/en/14-reference/01-components/01-taosd.md
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Expand Up @@ -188,7 +188,7 @@ The effective value of charset is UTF-8.

| Parameter Name | Supported Version | Dynamic Modification | Description |
| -------------------------- | ----------------- | ---------------------------------- | ------------------------------------------------------------ |
| supportVnodes | | Supported, effective immediately | Maximum number of vnodes supported by a dnode, range 0-4096, default value is twice the number of CPU cores + 5 |
| supportVnodes | | Supported, effective immediately | Maximum number of vnodes supported by a dnode, range 0-1024, default value is twice the number of CPU cores + 5 |
| numOfCommitThreads | | Supported, effective after restart | Maximum number of commit threads, range 1-1024, default value 4 |
| numOfCompactThreads | | Supported, effective after restart | Maximum number of commit threads, range 1-16, default value 2 |
| numOfMnodeReadThreads | | Supported, effective after restart | Number of Read threads for mnode, range 0-1024, default value is one quarter of the CPU cores (not exceeding 4) |
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2 changes: 1 addition & 1 deletion docs/zh/14-reference/01-components/01-taosd.md
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Expand Up @@ -747,7 +747,7 @@ charset 的有效值是 UTF-8。
- 类型：整数
- 默认值：CPU 核数的 2 倍 + 5
- 最小值：0
- 最大值：4096
- 最大值：1024
- 动态修改：仅在企业版支持通过 SQL 修改，立即生效。
- 支持版本：从 v3.1.0.0 版本开始引入

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2 changes: 1 addition & 1 deletion source/common/src/tglobal.c
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Expand Up @@ -928,7 +928,7 @@ static int32_t taosAddServerCfg(SConfig *pCfg) {
// clang-format off
TAOS_CHECK_RETURN(cfgAddDir(pCfg, "dataDir", tsDataDir, CFG_SCOPE_SERVER, CFG_DYN_SERVER, CFG_CATEGORY_LOCAL));
TAOS_CHECK_RETURN(cfgAddFloat(pCfg, "minimalDataDirGB", 2.0f, 0.001f, 10000000, CFG_SCOPE_SERVER, CFG_DYN_NONE, CFG_CATEGORY_LOCAL));
TAOS_CHECK_RETURN(cfgAddInt32(pCfg, "supportVnodes", tsNumOfSupportVnodes, 0, 4096, CFG_SCOPE_SERVER, CFG_DYN_ENT_SERVER, CFG_CATEGORY_LOCAL));
TAOS_CHECK_RETURN(cfgAddInt32(pCfg, "supportVnodes", tsNumOfSupportVnodes, 0, 1024, CFG_SCOPE_SERVER, CFG_DYN_ENT_SERVER, CFG_CATEGORY_LOCAL));

TAOS_CHECK_RETURN(cfgAddString(pCfg, "encryptAlgorithm", tsEncryptAlgorithm, CFG_SCOPE_SERVER, CFG_DYN_NONE, CFG_CATEGORY_GLOBAL));
TAOS_CHECK_RETURN(cfgAddString(pCfg, "encryptScope", tsEncryptScope, CFG_SCOPE_SERVER, CFG_DYN_NONE,CFG_CATEGORY_GLOBAL));
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4 changes: 2 additions & 2 deletions tests/system-test/0-others/show.py
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Expand Up @@ -273,8 +273,8 @@ def test_show_variables(self):
tdSql.error(f'ALTER LOCAL "{var}" "{error_val}"')

var = 'supportVnodes'
expect_val = 1240 ## 1.211111 * 1024
sql = f'ALTER DNODE 1 "{var}" "1.211111k"'
expect_val = 1024
sql = f'ALTER DNODE 1 "{var}" "1024"'
tdSql.execute(sql, queryTimes=1)
val = int(self.get_variable(var, False))
if val != expect_val:
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