fix hundreds of typos!!!!

src/clients/meta/MetaClient.cpp

@@ -2375,7 +2375,7 @@ Status MetaClient::authCheckFromCache(const std::string& account, const std::str
     return Status::Error("User not exist");
   }
   auto lockedSince = userLoginLockTime_[account];
-  auto passwordAttemtRemain = userPasswordAttemptsRemain_[account];
+  auto passwordAttemptRemain = userPasswordAttemptsRemain_[account];
 
   // If lockedSince is non-zero, it means the account has been locked
   if (lockedSince != 0) {
@@ -2393,7 +2393,7 @@ Status MetaClient::authCheckFromCache(const std::string& account, const std::str
     // Clear lock state and reset attempts
     userLoginLockTime_.assign_if_equal(account, lockedSince, 0);
     userPasswordAttemptsRemain_.assign_if_equal(
-        account, passwordAttemtRemain, FLAGS_failed_login_attempts);
+        account, passwordAttemptRemain, FLAGS_failed_login_attempts);
   }
 
   if (iter->second != password) {
@@ -2402,14 +2402,14 @@ Status MetaClient::authCheckFromCache(const std::string& account, const std::str
       return Status::Error("Invalid password");
     }
 
-    // If the password is not correct and passwordAttemtRemain > 0,
-    // Allow another attemp
-    passwordAttemtRemain = userPasswordAttemptsRemain_[account];
-    if (passwordAttemtRemain > 0) {
-      auto newAttemtRemain = passwordAttemtRemain - 1;
-      userPasswordAttemptsRemain_.assign_if_equal(account, passwordAttemtRemain, newAttemtRemain);
-      if (newAttemtRemain == 0) {
-        // If the remaining attemps is 0, failed to authenticate
+    // If the password is not correct and passwordAttemptRemain > 0,
+    // Allow another attempt
+    passwordAttemptRemain = userPasswordAttemptsRemain_[account];
+    if (passwordAttemptRemain > 0) {
+      auto newAttemptRemain = passwordAttemptRemain - 1;
+      userPasswordAttemptsRemain_.assign_if_equal(account, passwordAttemptRemain, newAttemptRemain);
+      if (newAttemptRemain == 0) {
+        // If the remaining attempts is 0, failed to authenticate
         // Block user login
         userLoginLockTime_.assign_if_equal(account, 0, time::WallClock::fastNowInSec());
         return Status::Error(
@@ -2419,8 +2419,8 @@ Status MetaClient::authCheckFromCache(const std::string& account, const std::str
             account.c_str(),
             FLAGS_password_lock_time_in_secs);
       }
-      LOG(ERROR) << "Invalid password, remaining attempts: " << newAttemtRemain;
-      return Status::Error("Invalid password, remaining attempts: %d", newAttemtRemain);
+      LOG(ERROR) << "Invalid password, remaining attempts: " << newAttemptRemain;
+      return Status::Error("Invalid password, remaining attempts: %d", newAttemptRemain);
     }
   }
 
@@ -2540,7 +2540,7 @@ folly::Future<StatusOr<bool>> MetaClient::heartbeat() {
   }
 
   // info used in the agent, only set once
-  // TOOD(spw): if we could add data path(disk) dynamicly in the future, it should be
+  // TODO(spw): if we could add data path(disk) dynamically in the future, it should be
   // reported every time it changes
   if (!dirInfoReported_) {
     nebula::cpp2::DirInfo dirInfo;

src/common/base/Base.h

@@ -95,7 +95,7 @@
 #define COMPILER_BARRIER() asm volatile("" ::: "memory")
 #endif  // COMPILER_BARRIER
 
-// Formated logging
+// Formatted logging
 #define FLOG_FATAL(...) LOG(FATAL) << folly::stringPrintf(__VA_ARGS__)
 #define FLOG_ERROR(...) LOG(ERROR) << folly::stringPrintf(__VA_ARGS__)
 #define FLOG_WARN(...) LOG(WARNING) << folly::stringPrintf(__VA_ARGS__)

src/common/base/SignalHandler.cpp

@@ -87,7 +87,7 @@ void SignalHandler::doHandle(int sig, siginfo_t *info, void *uctx) {
     case SIGABRT:  // abort
     case SIGILL:   // ill instruction
     case SIGFPE:   // floating point error, e.g. divide by zero
-    case SIGBUS:   // I/O error in mmaped memory, mce error, etc.
+    case SIGBUS:   // I/O error in mmapped memory, mce error, etc.
       handleFatalSignal(sig, info, uctx);
       break;
     case SIGCHLD:

src/common/base/SignalHandler.h

@@ -33,7 +33,7 @@ class SignalHandler final {
   /**
    * To install one or several signals to handle.
    * Upon any signal arrives, the corresponding handler would be invoked,
-   * with an argument holding the informations about the signal and the sender.
+   * with an argument holding the information about the signal and the sender.
    * The handler typically prints out the info and do some other things,
    * e.g. stop the process on SIGTERM.
    */

src/common/base/test/LoggingBenchmark.cpp

@@ -16,15 +16,15 @@
   for (int64_t i = 0; i < iters; i++) { \
     LOG(INFO) << "Hello"                \
               << " "                    \
-              << "Wolrd"                \
+              << "World"                \
               << "123";                 \
   }
 
 #define XLOG_SOMETHING(iters)           \
   for (int64_t i = 0; i < iters; i++) { \
     XLOG(INFO) << "Hello"               \
                << " "                   \
-               << "Wolrd"               \
+               << "World"               \
                << "123";                \
   }
 

src/common/datatypes/test/ValueToJsonTest.cpp

@@ -38,7 +38,7 @@ TEST(ValueToJson, vertex) {
     ASSERT_EQ(expectedTagJson, tag2.toJson());
   }
 
-  // vertex wtih string vid
+  // vertex with string vid
   auto vertexStrVid = Value(Vertex({"Vid",
                                     {
                                         tag1,

src/common/id/test/SegmentIdTest.cpp

@@ -53,7 +53,7 @@ TEST_F(TestSegmentId, TestConcurrencySmallStep) {
   }
 }
 
-// check the result (in the case of no fetchSegment() by useing big step)
+// check the result (in the case of no fetchSegment() by using big step)
 TEST_F(TestSegmentId, TestConcurrencyBigStep) {
   SegmentId generator = SegmentId(&metaClient_, threadManager_.get());
   Status status = generator.init(120000000);

src/common/time/TimeUtils.cpp

@@ -202,7 +202,7 @@ StatusOr<Value> TimeUtils::toTimestamp(const Value &val) {
     } else if (kv.first == "microseconds") {
       d.addMicroseconds(kv.second.getInt());
     } else {
-      return Status::Error("Unkown field %s.", kv.first.c_str());
+      return Status::Error("Unknown field %s.", kv.first.c_str());
     }
   }
   return d;

src/daemons/SetupLogging.h

@@ -11,7 +11,7 @@
 #include "common/base/Status.h"
 /**
  * \param exe: program name.
- * \return wether successfully setupLogging.
+ * \return whether successfully setupLogging.
  *
  */
 nebula::Status setupLogging(const std::string &exe);

src/daemons/StandAloneDaemon.cpp

@@ -231,7 +231,7 @@ int main(int argc, char *argv[]) {
 
     auto handler =
         std::make_shared<nebula::meta::MetaServiceHandler>(gMetaKVStore.get(), metaClusterId());
-    LOG(INFO) << "The meta deamon start on " << metaLocalhost;
+    LOG(INFO) << "The meta daemon start on " << metaLocalhost;
     try {
       gMetaServer = std::make_unique<apache::thrift::ThriftServer>();
       gMetaServer->setPort(FLAGS_meta_port);

src/graph/context/ast/CypherAstContext.h

@@ -96,7 +96,7 @@ struct Path final {
   std::vector<EdgeInfo> edgeInfos;
   PathBuildExpression* pathBuild{nullptr};
 
-  // True for pattern expresssion, to collect path to list
+  // True for pattern expression, to collect path to list
   bool rollUpApply{false};
   // vector ["v"] in (v)-[:like]->()
   std::vector<std::string> compareVariables;

src/graph/executor/admin/ConfigExecutor.cpp

@@ -68,7 +68,7 @@ folly::Future<Status> SetConfigExecutor::execute() {
   // Currently, only --session_idle_timeout_secs has a gflag validtor
   if (module == meta::cpp2::ConfigModule::GRAPH) {
     // Update local cache before sending request
-    // Gflag value will be checked in SetCommandLineOption() if the flag validtor is registed
+    // Gflag value will be checked in SetCommandLineOption() if the flag validtor is registered
     auto valueStr = meta::GflagsManager::ValueToGflagString(value);
     if (value.isMap() && value.getMap().kvs.empty()) {
       // Be compatible with previous configuration

src/graph/executor/query/DataCollectExecutor.h

@@ -11,7 +11,7 @@
 //
 // Member:
 //  `colNames_` : save the column name of the result of the DataCollect
-// Funcitons:
+// Functions:
 //  `collectSubgraph` : receive result from GetNeighbors, collect vertices & edges by calling
 //   GetNeighborIter's getVertices & getEdges interface
 //

src/graph/executor/query/InnerJoinExecutor.h

@@ -58,8 +58,8 @@ class InnerJoinExecutor : public JoinExecutor {
   bool mv_{false};
 };
 
-// No diffrence with inner join in processing data, but the dependencies would be executed in
-// paralell.
+// No difference with inner join in processing data, but the dependencies would be executed in
+// parallel.
 class HashInnerJoinExecutor final : public InnerJoinExecutor {
  public:
   HashInnerJoinExecutor(const PlanNode* node, QueryContext* qctx);

src/graph/executor/query/LeftJoinExecutor.h

@@ -54,8 +54,8 @@ class LeftJoinExecutor : public JoinExecutor {
   size_t rightColSize_{0};
 };
 
-// No diffrence with left join in processing data, but the dependencies would be executed in
-// paralell.
+// No difference with left join in processing data, but the dependencies would be executed in
+// parallel.
 class HashLeftJoinExecutor final : public LeftJoinExecutor {
  public:
   HashLeftJoinExecutor(const PlanNode* node, QueryContext* qctx);

src/graph/executor/query/TraverseExecutor.h

@@ -27,7 +27,7 @@
 // `paths_` : hash table array, paths_[i] means that the length that paths in the i-th array
 //  element is i
 //    KEY in the hash table   : the vid of the destination Vertex
-//    VALUE in the hash table : collection of paths that destionation vid is `KEY`
+//    VALUE in the hash table : collection of paths that destination vid is `KEY`
 //
 // Functions:
 // `buildRequestDataSet` : constructs the input DataSet for getNeightbors

src/graph/optimizer/rule/CollapseProjectRule.h

@@ -21,7 +21,7 @@ namespace opt {
 //   1. reduce the copy of memory between nodes
 //   2. reduces expression overhead in some cases(similar to column pruning)
 //
-//  Tranformation:
+//  Transformation:
 //  Before:
 //
 //         +------------+------------+

src/graph/optimizer/rule/CombineFilterRule.h

@@ -17,7 +17,7 @@ namespace opt {
 //  Benefits:
 //   1. reduces the expression iterated times
 //
-//  Tranformation:
+//  Transformation:
 //  Before:
 //
 //  +-----+-----+

src/graph/optimizer/rule/EliminateRowCollectRule.h

@@ -17,7 +17,7 @@ namespace opt {
 //  Benefits:
 //   1. Delete unnecessary node
 //
-//  Tranformation:
+//  Transformation:
 //  Before:
 //
 //  +------+------+

src/graph/optimizer/rule/GetEdgesTransformAppendVerticesLimitRule.h

@@ -26,7 +26,7 @@ namespace opt {
 //  Query example:
 //   1. match ()-[e]->() return e limit 1
 //
-//  Tranformation:
+//  Transformation:
 //  Before:
 // +---------+---------+
 // |      Project      |

src/graph/optimizer/rule/GetEdgesTransformRule.h

@@ -27,7 +27,7 @@ namespace opt {
 //  Quey example:
 //   1. match ()-[e]->() return e limit 3
 //
-//  Tranformation:
+//  Transformation:
 //  Before:
 // +---------+---------+
 // |      Project      |

src/graph/optimizer/rule/MergeGetNbrsAndDedupRule.h

@@ -17,7 +17,7 @@ namespace opt {
 //  Benefits:
 //   1. Delete unnecessary node
 //
-//  Tranformation:
+//  Transformation:
 //  Before:
 //
 //  +------+-------+

src/graph/optimizer/rule/MergeGetVerticesAndDedupRule.h

@@ -17,7 +17,7 @@ namespace opt {
 //  Benefits:
 //   1. Delete unnecessary node
 //
-//  Tranformation:
+//  Transformation:
 //  Before:
 //
 //  +------+-------+

src/graph/optimizer/rule/MergeGetVerticesAndProjectRule.h

@@ -18,7 +18,7 @@ namespace opt {
 //  expression of GetVertices Benefits:
 //   1. Delete unnecessary node
 //
-//  Tranformation:
+//  Transformation:
 //  Before:
 //
 //  +------+-------+

src/graph/optimizer/rule/PushFilterDownAggregateRule.h

@@ -18,7 +18,7 @@ namespace opt {
 //  Benefits:
 //   1. Filter data early to optimize performance
 //
-//  Tranformation:
+//  Transformation:
 //  Before:
 //
 //  +------+------+

src/graph/optimizer/rule/PushFilterDownGetNbrsRule.h

@@ -18,7 +18,7 @@ namespace opt {
 //  Benefits:
 //   1. Filter data early to optimize performance
 //
-//  Tranformation:
+//  Transformation:
 //  Before:
 //
 //  +------------------+------------------+

src/graph/optimizer/rule/PushFilterDownInnerJoinRule.h

@@ -17,7 +17,7 @@ namespace opt {
 //  Benefits:
 //   1. Filter data early to optimize performance
 //
-//  Tranformation:
+//  Transformation:
 //  Before:
 //
 //  +-----------+-----------+

src/graph/optimizer/rule/PushFilterDownLeftJoinRule.h

@@ -17,7 +17,7 @@ namespace opt {
 //  Benefits:
 //   1. Filter data early to optimize performance
 //
-//  Tranformation:
+//  Transformation:
 //  Before:
 //
 //  +-----------+-----------+

src/graph/optimizer/rule/PushFilterDownProjectRule.h

@@ -17,7 +17,7 @@ namespace opt {
 //  Benefits:
 //   1. Filter data early to optimize performance
 //
-//  Tranformation:
+//  Transformation:
 //  Before:
 //
 //  +-------------+-------------+

src/graph/optimizer/rule/PushFilterDownScanVerticesRule.h

@@ -19,7 +19,7 @@ namespace opt {
 //  Benefits:
 //   1. Filter data early to optimize performance
 //
-//  Tranformation:
+//  Transformation:
 //  Before:
 //
 //  +-------------+-------------+

src/graph/optimizer/rule/PushLimitDownGetNeighborsRule.h

@@ -17,7 +17,7 @@ namespace opt {
 //  Benefits:
 //   1. Limit data early to optimize performance
 //
-//  Tranformation:
+//  Transformation:
 //  Before:
 //
 //  +--------+--------+

src/graph/optimizer/rule/PushLimitDownIndexScanRule.h

@@ -19,7 +19,7 @@ namespace opt {
 //  Benefits:
 //   1. Limit data early to optimize performance
 //
-//  Tranformation:
+//  Transformation:
 //  Before:
 //
 //  +--------+--------+

src/graph/optimizer/rule/PushLimitDownProjectRule.h

@@ -17,7 +17,7 @@ namespace opt {
 //  Benefits:
 //   1. Limit data early to optimize performance
 //
-//  Tranformation:
+//  Transformation:
 //  Before:
 //
 //  +--------+--------+

src/graph/optimizer/rule/PushLimitDownScanAppendVerticesRule.h

@@ -18,7 +18,7 @@ namespace opt {
 //  Benefits:
 //   1. Limit data early to optimize performance
 //
-//  Tranformation:
+//  Transformation:
 //  Before:
 //
 //  +--------+--------+

src/graph/optimizer/rule/PushLimitDownScanEdgesAppendVerticesRule.h

@@ -18,7 +18,7 @@ namespace opt {
 //  Benefits:
 //   1. Limit data early to optimize performance
 //
-//  Tranformation:
+//  Transformation:
 //  Before:
 //
 //  +--------+--------+

src/graph/optimizer/rule/PushStepLimitDownGetNeighborsRule.h

@@ -18,7 +18,7 @@ namespace opt {
 //   1. Limit data early to optimize performance
 //  Query example:
 //   GO 2 STEPS FROM "Tim Duncan" over like YIELD like._dst LIMIT [2,3]
-//  Tranformation:
+//  Transformation:
 //  Before:
 //
 //  +----------+----------+

src/graph/optimizer/rule/PushStepSampleDownGetNeighborsRule.h

@@ -18,7 +18,7 @@ namespace opt {
 //   1. Limit data early to optimize performance
 //  Query example:
 //   GO 2 STEPS FROM "Tim Duncan" over like YIELD like._dst SAMPLE [2,3]
-//  Tranformation:
+//  Transformation:
 //  Before:
 //
 //  +----------+----------+