enh(stream): add stream task info into information schema

include/common/systable.h

@@ -46,6 +46,7 @@ extern "C" {
 #define TSDB_INS_TABLE_SUBSCRIPTIONS     "ins_subscriptions"
 #define TSDB_INS_TABLE_TOPICS            "ins_topics"
 #define TSDB_INS_TABLE_STREAMS           "ins_streams"
+#define TSDB_INS_TABLE_STREAM_TASKS      "ins_stream_tasks"
 
 #define TSDB_PERFORMANCE_SCHEMA_DB   "performance_schema"
 #define TSDB_PERFS_TABLE_SMAS        "perf_smas"

include/common/tmsg.h

@@ -119,6 +119,7 @@ typedef enum _mgmt_table {
   TSDB_MGMT_TABLE_QUERIES,
   TSDB_MGMT_TABLE_VNODES,
   TSDB_MGMT_TABLE_APPS,
+  TSDB_MGMT_TABLE_STREAM_TASKS,
   TSDB_MGMT_TABLE_MAX,
 } EShowType;
 

source/common/src/systable.c

@@ -134,7 +134,7 @@ static const SSysDbTableSchema userStbsSchema[] = {
 };
 
 static const SSysDbTableSchema streamSchema[] = {
-    {.name = "stream_name", .bytes = SYSTABLE_SCH_DB_NAME_LEN, .type = TSDB_DATA_TYPE_VARCHAR, .sysInfo = false},
+    {.name = "stream_name", .bytes = SYSTABLE_SCH_TABLE_NAME_LEN, .type = TSDB_DATA_TYPE_VARCHAR, .sysInfo = false},
     {.name = "create_time", .bytes = 8, .type = TSDB_DATA_TYPE_TIMESTAMP, .sysInfo = false},
     {.name = "sql", .bytes = TSDB_SHOW_SQL_LEN + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR, .sysInfo = false},
     {.name = "status", .bytes = 20 + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR, .sysInfo = false},
@@ -145,6 +145,15 @@ static const SSysDbTableSchema streamSchema[] = {
     {.name = "trigger", .bytes = 20 + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR, .sysInfo = false},
 };
 
+static const SSysDbTableSchema streamTaskSchema[] = {
+    {.name = "stream_name", .bytes = SYSTABLE_SCH_DB_NAME_LEN, .type = TSDB_DATA_TYPE_VARCHAR, .sysInfo = false},
+    {.name = "task_id", .bytes = 8, .type = TSDB_DATA_TYPE_INT, .sysInfo = false},
+    {.name = "node_type", .bytes = SYSTABLE_SCH_DB_NAME_LEN, .type = TSDB_DATA_TYPE_VARCHAR, .sysInfo = false},
+    {.name = "node_id", .bytes = 8, .type = TSDB_DATA_TYPE_INT, .sysInfo = false},
+    {.name = "level", .bytes = 20 + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR, .sysInfo = false},
+    {.name = "status", .bytes = 20 + VARSTR_HEADER_SIZE, .type = TSDB_DATA_TYPE_VARCHAR, .sysInfo = false},
+};
+
 static const SSysDbTableSchema userTblsSchema[] = {
     {.name = "table_name", .bytes = SYSTABLE_SCH_TABLE_NAME_LEN, .type = TSDB_DATA_TYPE_VARCHAR, .sysInfo = false},
     {.name = "db_name", .bytes = SYSTABLE_SCH_DB_NAME_LEN, .type = TSDB_DATA_TYPE_VARCHAR, .sysInfo = false},
@@ -287,6 +296,7 @@ static const SSysTableMeta infosMeta[] = {
     {TSDB_INS_TABLE_TOPICS, topicSchema, tListLen(topicSchema), false},
     {TSDB_INS_TABLE_SUBSCRIPTIONS, subscriptionSchema, tListLen(subscriptionSchema), false},
     {TSDB_INS_TABLE_STREAMS, streamSchema, tListLen(streamSchema), false},
+    {TSDB_INS_TABLE_STREAM_TASKS, streamTaskSchema, tListLen(streamTaskSchema), false},
     {TSDB_INS_TABLE_VNODES, vnodesSchema, tListLen(vnodesSchema), true},
 };
 

source/dnode/mnode/impl/src/mndShow.c

@@ -106,6 +106,8 @@ static int32_t convertToRetrieveType(char *name, int32_t len) {
     type = TSDB_MGMT_TABLE_STREAMS;
   } else if (strncasecmp(name, TSDB_PERFS_TABLE_APPS, len) == 0) {
     type = TSDB_MGMT_TABLE_APPS;
+  } else if (strncasecmp(name, TSDB_INS_TABLE_STREAM_TASKS, len) == 0) {
+    type = TSDB_MGMT_TABLE_STREAM_TASKS;
   } else {
     //    ASSERT(0);
   }

source/dnode/mnode/impl/src/mndStream.c

@@ -41,6 +41,8 @@ static int32_t mndProcessStreamMetaReq(SRpcMsg *pReq);
 static int32_t mndGetStreamMeta(SRpcMsg *pReq, SShowObj *pShow, STableMetaRsp *pMeta);
 static int32_t mndRetrieveStream(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows);
 static void    mndCancelGetNextStream(SMnode *pMnode, void *pIter);
+static int32_t mndRetrieveStreamTask(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rows);
+static void    mndCancelGetNextStreamTask(SMnode *pMnode, void *pIter);
 
 int32_t mndInitStream(SMnode *pMnode) {
   SSdbTable table = {
@@ -62,6 +64,8 @@ int32_t mndInitStream(SMnode *pMnode) {
 
   mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_STREAMS, mndRetrieveStream);
   mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_STREAMS, mndCancelGetNextStream);
+  mndAddShowRetrieveHandle(pMnode, TSDB_MGMT_TABLE_STREAM_TASKS, mndRetrieveStreamTask);
+  mndAddShowFreeIterHandle(pMnode, TSDB_MGMT_TABLE_STREAM_TASKS, mndCancelGetNextStreamTask);
 
   return sdbSetTable(pMnode->pSdb, table);
 }
@@ -891,7 +895,7 @@ static int32_t mndRetrieveStream(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pB
     SName            n;
     int32_t          cols = 0;
 
-    char streamName[TSDB_DB_NAME_LEN + VARSTR_HEADER_SIZE] = {0};
+    char streamName[TSDB_TABLE_NAME_LEN + VARSTR_HEADER_SIZE] = {0};
     STR_WITH_MAXSIZE_TO_VARSTR(streamName, mndGetDbStr(pStream->name), sizeof(streamName));
     pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
     colDataAppend(pColInfo, numOfRows, (const char *)streamName, false);
@@ -953,3 +957,105 @@ static void mndCancelGetNextStream(SMnode *pMnode, void *pIter) {
   SSdb *pSdb = pMnode->pSdb;
   sdbCancelFetch(pSdb, pIter);
 }
+
+static int32_t mndRetrieveStreamTask(SRpcMsg *pReq, SShowObj *pShow, SSDataBlock *pBlock, int32_t rowsCapacity) {
+  SMnode     *pMnode = pReq->info.node;
+  SSdb       *pSdb = pMnode->pSdb;
+  int32_t     numOfRows = 0;
+  SStreamObj *pStream = NULL;
+
+  while (numOfRows < rowsCapacity) {
+    pShow->pIter = sdbFetch(pSdb, SDB_STREAM, pShow->pIter, (void **)&pStream);
+    if (pShow->pIter == NULL) break;
+
+    // lock
+    taosRLockLatch(&pStream->lock);
+    // count task num
+    int32_t sz = taosArrayGetSize(pStream->tasks);
+    int32_t count = 0;
+    for (int32_t i = 0; i < sz; i++) {
+      SArray *pLevel = taosArrayGetP(pStream->tasks, i);
+      count += taosArrayGetSize(pLevel);
+    }
+
+    if (numOfRows + count > rowsCapacity) {
+      blockDataEnsureCapacity(pBlock, numOfRows + count);
+    }
+    // add row for each task
+    for (int32_t i = 0; i < sz; i++) {
+      SArray *pLevel = taosArrayGetP(pStream->tasks, i);
+      int32_t levelCnt = taosArrayGetSize(pLevel);
+      for (int32_t j = 0; j < levelCnt; j++) {
+        SStreamTask *pTask = taosArrayGetP(pLevel, j);
+
+        SColumnInfoData *pColInfo;
+        int32_t          cols = 0;
+
+        // stream name
+        char streamName[TSDB_TABLE_NAME_LEN + VARSTR_HEADER_SIZE] = {0};
+        STR_WITH_MAXSIZE_TO_VARSTR(streamName, mndGetDbStr(pStream->name), sizeof(streamName));
+        pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
+        colDataAppend(pColInfo, numOfRows, (const char *)streamName, false);
+
+        // task id
+        pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
+        colDataAppend(pColInfo, numOfRows, (const char *)&pTask->taskId, false);
+
+        // node type
+        char nodeType[20 + VARSTR_HEADER_SIZE] = {0};
+        varDataSetLen(nodeType, 5);
+        pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
+        if (pTask->nodeId > 0) {
+          memcpy(varDataVal(nodeType), "vnode", 5);
+        } else {
+          memcpy(varDataVal(nodeType), "snode", 5);
+        }
+        colDataAppend(pColInfo, numOfRows, nodeType, false);
+
+        // node id
+        pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
+        int32_t nodeId = TMAX(pTask->nodeId, 0);
+        colDataAppend(pColInfo, numOfRows, (const char *)&nodeId, false);
+
+        // level
+        char level[20 + VARSTR_HEADER_SIZE] = {0};
+        if (pTask->taskLevel == TASK_LEVEL__SOURCE) {
+          memcpy(varDataVal(level), "source", 6);
+          varDataSetLen(level, 6);
+        } else if (pTask->taskLevel == TASK_LEVEL__AGG) {
+          memcpy(varDataVal(level), "agg", 3);
+          varDataSetLen(level, 3);
+        } else if (pTask->taskLevel == TASK_LEVEL__SINK) {
+          memcpy(varDataVal(level), "sink", 4);
+          varDataSetLen(level, 4);
+        } else if (pTask->taskLevel == TASK_LEVEL__SINK) {
+        }
+        pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
+        colDataAppend(pColInfo, numOfRows, (const char *)&level, false);
+
+        // status
+        char status[20 + VARSTR_HEADER_SIZE] = {0};
+        char status2[20] = {0};
+        strcpy(status, "normal");
+        STR_WITH_MAXSIZE_TO_VARSTR(status, status2, sizeof(status));
+        pColInfo = taosArrayGet(pBlock->pDataBlock, cols++);
+        colDataAppend(pColInfo, numOfRows, (const char *)&status, false);
+
+        numOfRows++;
+      }
+    }
+
+    // unlock
+    taosRUnLockLatch(&pStream->lock);
+
+    sdbRelease(pSdb, pStream);
+  }
+
+  pShow->numOfRows += numOfRows;
+  return numOfRows;
+}
+
+static void mndCancelGetNextStreamTask(SMnode *pMnode, void *pIter) {
+  SSdb *pSdb = pMnode->pSdb;
+  sdbCancelFetch(pSdb, pIter);
+}

source/libs/wal/src/walMeta.c

@@ -414,8 +414,10 @@ int walCheckAndRepairMeta(SWal* pWal) {
       }
       ASSERT(pFileInfo->fileSize == 0);
       // remove the empty wal log, and its idx
+      wInfo("vgId:%d, wal remove empty file %s", pWal->cfg.vgId, fnameStr);
       taosRemoveFile(fnameStr);
       walBuildIdxName(pWal, pFileInfo->firstVer, fnameStr);
+      wInfo("vgId:%d, wal remove empty file %s", pWal->cfg.vgId, fnameStr);
       taosRemoveFile(fnameStr);
       // remove its meta entry
       taosArrayRemove(pWal->fileInfoSet, fileIdx);

source/libs/wal/src/walWrite.c

@@ -407,6 +407,7 @@ int32_t walRollImpl(SWal *pWal) {
   }
   walBuildLogName(pWal, newFileFirstVer, fnameStr);
   pLogFile = taosOpenFile(fnameStr, TD_FILE_CREATE | TD_FILE_WRITE | TD_FILE_APPEND);
+  wDebug("vgId:%d, wal create new file for write:%s", pWal->cfg.vgId, fnameStr);
   if (pLogFile == NULL) {
     terrno = TAOS_SYSTEM_ERROR(errno);
     code = -1;