fix the issue #404

src/inc/taosmsg.h

@@ -130,6 +130,7 @@ extern "C" {
 #define TSDB_CODE_CACHE_BLOCK_TS_DISORDERED  107      // time stamp in cache block is disordered
 #define TSDB_CODE_FILE_BLOCK_TS_DISORDERED   108      // time stamp in file block is disordered
 #define TSDB_CODE_INVALID_COMMIT_LOG         109      // invalid commit log may be caused by insufficient sotrage
+#define TSDB_CODE_SERVER_NO_SPACE            110
 
 // message type
 #define TSDB_MSG_TYPE_REG              1

src/inc/tglobalcfg.h

@@ -30,6 +30,9 @@ extern int64_t tsOpenMax;
 extern int64_t tsStreamMax;
 extern int32_t tsNumOfCores;
 extern int32_t tsTotalDiskGB;
+extern float   tsDiskAvailGB;
+extern float   tsDiskUsedGB;
+extern float   tsDiskMinimalGB;
 extern int32_t tsTotalMemoryMB;
 extern int32_t tsVersion;
 

src/inc/tsystem.h

@@ -27,7 +27,7 @@ bool taosGetSysMemory(float *memoryUsedMB);
 
 bool taosGetProcMemory(float *memoryUsedMB);
 
-bool taosGetDisk(float *diskUsedGB);
+bool taosGetDisk();
 
 bool taosGetCpuUsage(float *sysCpuUsage, float *procCpuUsage);
 

src/modules/monitor/src/monitorSystem.c

@@ -25,9 +25,10 @@
 #include "ttimer.h"
 #include "tutil.h"
 
-#define SQL_LENGTH    1024
-#define LOG_LEN_STR   80
-#define IP_LEN_STR    15
+#define SQL_LENGTH     1024
+#define LOG_LEN_STR    80
+#define IP_LEN_STR     15
+#define CHECK_INTERVAL 1000
 
 typedef enum {
   MONITOR_CMD_CREATE_DB,
@@ -53,6 +54,7 @@ typedef struct {
   int8_t state;
   char   sql[SQL_LENGTH];
   void * initTimer;
+  void * diskTimer;
 } MonitorConn;
 
 MonitorConn *monitor = NULL;
@@ -69,9 +71,15 @@ void monitorSaveLog(int level, const char *const format, ...);
 void (*monitorCountReqFp)(SCountInfo *info) = NULL;
 void monitorExecuteSQL(char *sql);
 
+void monitorCheckDiskUsage(void *para, void *unused) {
+  taosGetDisk();
+  taosTmrReset(monitorCheckDiskUsage, CHECK_INTERVAL, NULL, tscTmr, &monitor->diskTimer);
+}
+
 int monitorInitSystem() {
   monitor = (MonitorConn *)malloc(sizeof(MonitorConn));
   memset(monitor, 0, sizeof(MonitorConn));
+  taosTmrReset(monitorCheckDiskUsage, CHECK_INTERVAL, NULL, tscTmr, &monitor->diskTimer);
   return 0;
 }
 
@@ -265,13 +273,7 @@ int monitorBuildCpuSql(char *sql) {
 
 // unit is GB
 int monitorBuildDiskSql(char *sql) {
-  float diskUsedGB = 0;
-  bool  suc = taosGetDisk(&diskUsedGB);
-  if (!suc) {
-    monitorError("monitor:%p, get disk info failed.", monitor->conn);
-  }
-
-  return sprintf(sql, ", %f, %d", diskUsedGB, tsTotalDiskGB);
+  return sprintf(sql, ", %f, %d", tsDiskUsedGB, tsTotalDiskGB);
 }
 
 // unit is Kb

src/rpc/src/tstring.c

@@ -233,5 +233,6 @@ char *tsError[] = {"success",
                    "invalid query message",
                    "timestamp disordered in cache block",
                    "timestamp disordered in file block",
-                   "invalid commit log"
+                   "invalid commit log",
+                   "server no disk space",
 };

src/system/src/mgmtSystem.c

@@ -64,10 +64,7 @@ void mgmtProcessDnodeStatus(void *handle, void *tmrId) {
   float memoryUsedMB = 0;
   taosGetSysMemory(&memoryUsedMB);
   pObj->memoryAvailable = tsTotalMemoryMB - memoryUsedMB;
-
-  float diskUsedGB = 0;
-  taosGetDisk(&diskUsedGB);
-  pObj->diskAvailable = tsTotalDiskGB - diskUsedGB;
+  pObj->diskAvailable = tsDiskAvailGB;
 
   for (int vnode = 0; vnode < pObj->numOfVnodes; ++vnode) {
     SVnodeLoad *pVload = &(pObj->vload[vnode]);

src/system/src/vnodeShell.c

@@ -471,6 +471,12 @@ int vnodeProcessShellSubmitRequest(char *pMsg, int msgLen, SShellObj *pObj) {
     goto _submit_over;
   }
 
+  if (tsDiskAvailGB < tsDiskMinimalGB) {
+    dError("server disk space remain %.3f GB, need at least %.2f GB, stop writing", tsDiskAvailGB, tsDiskMinimalGB);
+    code = TSDB_CODE_SERVER_NO_SPACE;
+    goto _submit_over;
+  }
+
   pObj->count = pSubmit->numOfSid;  // for import
   pObj->code = 0;                   // for import
   pObj->numOfTotalPoints = 0;       // for import

src/util/src/tglobalcfg.c

@@ -33,9 +33,12 @@
 int64_t tsPageSize;
 int64_t tsOpenMax;
 int64_t tsStreamMax;
-int32_t tsNumOfCores;
-int32_t tsTotalDiskGB;
-int32_t tsTotalMemoryMB;
+int32_t tsNumOfCores = 1;
+int32_t tsTotalDiskGB = 0;
+float   tsDiskAvailGB = 0;
+float   tsDiskUsedGB = 0;
+float   tsDiskMinimalGB = 0.5;
+int32_t tsTotalMemoryMB = 0;
 int32_t tsVersion = 0;
 
 // global, not configurable
@@ -733,7 +736,7 @@ int tsCfgDynamicOptions(char *msg) {
     tsPrintGlobalConfig();
     return code;
   }
-  
+
   if (strncasecmp(option, "resetQueryCache", 15) == 0) {
     if (taosLogSqlFp) {
       pPrint("the query cache of internal client will reset");

src/util/src/tlog.c

@@ -323,6 +323,10 @@ char *tprefix(char *prefix) {
 }
 
 void tprintf(const char *const flags, int dflag, const char *const format, ...) {
+  if (tsTotalDiskGB != 0 && tsDiskAvailGB < (tsDiskMinimalGB/2)) {
+    printf("server disk space remain %.3f GB, stop write log\n", tsDiskAvailGB);
+  }
+
   va_list        argpointer;
   char           buffer[MAX_LOGLINE_SIZE + 10] = {0};
   int            len;
@@ -369,6 +373,11 @@ void tprintf(const char *const flags, int dflag, const char *const format, ...)
 }
 
 void taosDumpData(unsigned char *msg, int len) {
+  if (tsTotalDiskGB != 0 && tsDiskAvailGB < (tsDiskMinimalGB/2)) {
+    printf("server disk space remain %.3f GB, stop write log\n", tsDiskAvailGB);
+    return;
+  }
+
   char temp[256];
   int  i, pos = 0, c = 0;
 
@@ -392,6 +401,11 @@ void taosDumpData(unsigned char *msg, int len) {
 }
 
 void taosPrintLongString(const char *const flags, int dflag, const char *const format, ...) {
+  if (tsTotalDiskGB != 0 && tsDiskAvailGB < (tsDiskMinimalGB/2)) {
+    printf("server disk space remain %.3f GB, stop write log\n", tsDiskAvailGB);
+    return;
+  }
+
   va_list        argpointer;
   char           buffer[65 * 1024 + 10];
   int            len;

src/util/src/tsystem.c

@@ -322,19 +322,19 @@ bool taosGetCpuUsage(float *sysCpuUsage, float *procCpuUsage) {
   return true;
 }
 
-bool taosGetDisk(float *diskUsedGB) {
+bool taosGetDisk() {
   struct statvfs info;
   const double   unit = 1024 * 1024 * 1024;
 
   if (statvfs(tsDirectory, &info)) {
-    *diskUsedGB = 0;
+    tsDiskUsedGB = 0;
     tsTotalDiskGB = 0;
     return false;
   }
 
-  float diskAvail = (float)((double)info.f_bavail * (double)info.f_frsize / unit);
+  tsDiskAvailGB = (float)((double)info.f_bavail * (double)info.f_frsize / unit);
   tsTotalDiskGB = (int32_t)((double)info.f_blocks * (double)info.f_frsize / unit);
-  *diskUsedGB = (float)tsTotalDiskGB - diskAvail;
+  tsDiskUsedGB = (float)tsTotalDiskGB - tsDiskAvailGB;
 
   return true;
 }
@@ -549,7 +549,7 @@ void taosGetSystemInfo() {
   float tmp1, tmp2;
   taosGetSysMemory(&tmp1);
   taosGetProcMemory(&tmp2);
-  taosGetDisk(&tmp1);
+  taosGetDisk();
   taosGetBandSpeed(&tmp1);
   taosGetCpuUsage(&tmp1, &tmp2);
   taosGetProcIO(&tmp1, &tmp2);