From a003db7e1a203f8345e7b0973f24aaa11c725c20 Mon Sep 17 00:00:00 2001
From: xsren <285808407@qq.com>
Date: Tue, 12 Sep 2023 10:44:11 +0800
Subject: [PATCH] reset file handles limit on windows

---
 source/common/src/tglobal.c | 1 +
 source/os/src/osFile.c      | 9 +++++++++
 2 files changed, 10 insertions(+)

diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index 8971c1312c..90812a66b2 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -1601,6 +1601,7 @@ int32_t taosInitCfg(const char *cfgDir, const char **envCmd, const char *envFile
     if (taosSetS3Cfg(tsCfg) != 0) return -1;
   }
   taosSetSystemCfg(tsCfg);
+  if (taosSetFileHandlesLimit() != 0) return -1;
 
   cfgDumpCfg(tsCfg, tsc, false);
 
diff --git a/source/os/src/osFile.c b/source/os/src/osFile.c
index db4807db43..1ce9a348b3 100644
--- a/source/os/src/osFile.c
+++ b/source/os/src/osFile.c
@@ -954,3 +954,12 @@ cmp_end:
 
   return ret;
 }
+
+int32_t taosSetFileHandlesLimit() {
+#ifdef WINDOWS
+  const int max_handles = 8192;
+  int       res = _setmaxstdio(max_handles);
+  return res == max_handles ? 0 : -1;
+#endif
+  return 0;
+}