Fix code comment typo (#32)

fix comment typo

src/storage/memtable/mvcc/ob_multi_version_iterator.h

@@ -32,7 +32,7 @@ class ObMultiVersionValueIterator : public ObIMvccValueIterator {
   public:
   ObMultiVersionValueIterator();
   virtual ~ObMultiVersionValueIterator();
-  // for iterating multi version row or uncommited transaction row
+  // for iterating multi version row or uncommitted transaction row
   public:
   int init(const ObIMvccCtx& ctx, const transaction::ObTransSnapInfo& snapshot_info, const ObMemtableKey* key,
       ObMvccRow* value, transaction::ObTransStateTableGuard& trans_table_guard);

src/storage/memtable/ob_lock_wait_mgr.h

@@ -88,10 +88,10 @@ class ObLockWaitMgr : public share::ObThreadPool {
   protected:
   // obtain the request waiting on the row or transaction
   Node* fetch_waiter(uint64_t hash);
-  // check whether there exits requests already timeoutt or need be
+  // check whether there exits requests already timeout or need be
   // retried(session is killed, deadlocked or son on), and wakeup and retry them
   ObLink* check_timeout();
-  // reclaim the chained reuqests
+  // reclaim the chained requests
   void retire_node(ObLink*& tail, Node* node);
   // wakeup the request and put into the thread worker queue
   virtual int repost(Node* node);

src/storage/memtable/ob_mt_hash.h

@@ -449,7 +449,7 @@ class ObMtHash {
     // if the insert position is very forward and arr_size is big, there is no
     // need to access the same element repeatedly when recursively looking up, just decrease by half.
     // Note: bucket_count can decrease more rapidly, but as long as not access array elements,
-    // it's accesptabale to loop multiple times(< 64) to decreasse by half.
+    // it's acceptable to loop multiple times(< 64) to decrease by half.
     int64_t last_arr_idx = arr_idx;
 
     while (OB_SUCC(ret) && arr_idx > 0) {

src/storage/ob_partition_base_data_ob_reader.h

@@ -271,7 +271,7 @@ class ObPartitionMacroBlockObProducer {
 // end_key(1)
 // end_key(2)
 // ...
-// end_key(n) shoule be MAX
+// end_key(n) should be MAX
 class ObLogicBaseMetaProducer {
   public:
   ObLogicBaseMetaProducer() : is_inited_(false), partition_service_(NULL), arg_(NULL)

src/storage/ob_partition_group_lock.h

@@ -89,7 +89,7 @@ class ObPartitionGroupLockGuard {
 };
 
 // ATTENTION:
-// The lock is designed to resolve the deadlock of code desgin between replay
+// The lock is designed to resolve the deadlock of code design between replay
 // engine and partition group. You need use the guard when adding replay engine
 // lock inside partition group
 class ObPGLockWithPendingReplayGuard {

src/storage/ob_replay_status.h

@@ -281,7 +281,7 @@ struct ObSubmitReplayLogTask : public ObReplayTask {
   ObStorageLogType storage_log_type_;  // recode log_type when failed to check condition before submit
   int64_t accum_checksum_;
   //-----------new added members for decoupling of  replay engine and sliding window---------//
-  // the info of last log that sliding window submiteed
+  // the info of last log that sliding window submitted
   struct types::uint128_t last_slide_out_log_info_;
   // the info of last log that replay engine submit to replay queue
   struct types::uint128_t next_submit_log_info_;

src/storage/replayengine/ob_i_log_replay_engine.h

@@ -57,7 +57,7 @@ class ObILogReplayEngine {
   // @param[in] need_replay:Whether the log needs to be replayed, the member change log and the
   // transaction log of D replica and log replica do not need to be replayed
   // @param[in] pkey:pkey of PG
-  // @param[in] log_id:🔐id of submited log
+  // @param[in] log_id:🔐id of submitted log
   // @param[in] log_ts:submit_timestamp of log
   // @retval OB_SUCCESS : The task is submitted successfully
   // @retval OB_NOT_INIT: ObLogReplayEngine has not been inited

src/storage/transaction/ob_tenant_weak_read_cluster_version_mgr.h

@@ -47,7 +47,7 @@ class ObTenantWeakReadClusterVersionMgr {
       const int64_t total_part_count, const int64_t generate_tstamp, bool& is_new_server);
 
   /// get min server version which not smaller than base_version
-  /// if no statisfied server version, return base_version
+  /// if no satisfied server version, return base_version
   int64_t get_version(const int64_t base_version, int64_t& skip_server_count, const bool need_print_server_info) const;
 
   // get server count in cluster master cached registered servers

src/storage/transaction/ob_time_wheel.h

@@ -145,7 +145,7 @@ class TimeWheelBase : public share::ObThreadPool {
 
   private:
   static const int64_t MAX_BUCKET = 10000;
-  // scaner max sleep 1000000us
+  // scanner max sleep 1000000us
   static const int64_t MAX_SCAN_SLEEP = 1000000;
   static const int64_t MAX_TIMER_NAME_LEN = 16;
 

src/storage/transaction/ob_trans_coord_ctx.h

@@ -258,7 +258,7 @@ class ObCoordTransCtx : public ObDistTransCtx, public ObTsCbTask {
   ObPartitionArray unconfirmed_participants_;
   ObVersionArray participant_publish_version_array_;
   ObTransSplitInfoArray split_info_arr_;
-  // TRUE by default for xa trans, false is set after receving xa commit
+  // TRUE by default for xa trans, false is set after receiving xa commit
   bool is_waiting_xa_commit_;
   ObTransCtxArray part_ctx_arr_;
   // it is used to store the max commit_log_ts of participants

src/storage/transaction/ob_trans_ctx.h

@@ -138,7 +138,7 @@ class ObTransState {
 // NOTICE: You should **CHANGE** the signature of all inherit class once you
 // change one of the signature of `ObTransCtx`.
 // For Example: If you change the signature of the function `commit` in
-// `ObTransCtx`, you should also modify the signatore of function `commit` in
+// `ObTransCtx`, you should also modify the signature of function `commit` in
 // `ObPartTransCtx`, `ObSlaveTransCtx`, `ObScheTransCtx` and `ObCoordTransCtx`
 class ObTransCtx : public TransCtxHashValue {
   friend class CtxLock;
@@ -690,7 +690,7 @@ class ObDistTransCtx : public ObTransCtx {
   ObITransRpc* rpc_;
   ObILocationAdapter* location_adapter_;
   int64_t commit_start_time_;
-  // the variable is used to get the time between the trans start and respone to client
+  // the variable is used to get the time between the trans start and response to client
   int64_t trans_start_time_;
   bool need_refresh_location_;
   int64_t trans_2pc_timeout_;

src/storage/transaction/ob_trans_define.h

@@ -3631,7 +3631,7 @@ typedef common::ObSEArray<ObMemtableKeyInfo, 16, TransModulePageAllocator> ObMem
 typedef common::ObSEArray<ObAddrLogId, 10, TransModulePageAllocator> ObAddrLogIdArray;
 const int64_t OB_TRANS_REDO_LOG_RESERVE_SIZE = 128 * 1024;
 const int64_t MAX_ONE_PC_TRANS_SIZE = 1500000;
-// parmeters config transaction related
+// parameters config transaction related
 const int64_t TRANS_ACCESS_STAT_INTERVAL = 60 * 1000 * 1000;  // 60s
 const int64_t TRANS_MEM_STAT_INTERVAL = 5 * 1000 * 1000;      // 60s
 

src/storage/transaction/ob_trans_log.h

@@ -380,7 +380,7 @@ class ObTransPrepareLogHelper {
   // will be pre-allocated and recorded in the log body for updating
   // part_ctx's prepare_version during follower's replay process.
   // and it's equal to submit_timestamp recorded in log header, to avoid redundency,
-  // this field is not used in version 2.2 and later versions.(it's not removed for compatability reasons)
+  // this field is not used in version 2.2 and later versions.(it's not removed for compatibility reasons)
   int64_t local_trans_version_;
   common::ObVersion active_memstore_version_;
   common::ObString app_trace_id_str_;

src/storage/transaction/ob_trans_msg.h

@@ -201,9 +201,9 @@ class ObTransMsg : public ObTransMsgBase {
   // 2.extra param: scheduler_, coordinator_, participats_, status_, request_id_
   // 3.note:
   //   (1) scheduler_,coordinator_, participants_: required, use to recovery after coordinator failure
-  //   (2) status_: required, used to idneify participant's commit/abort state
+  //   (2) status_: required, used to identify participant's commit/abort state
   //   (3) request_id_: required, used to reject steal message
-  //   (4) xid: requried for XA
+  //   (4) xid: required for XA
   //   (5) is_xa_prepare: required for XA
   int init(const uint64_t tenant_id, const ObTransID& trans_id, const int64_t msg_type, const int64_t trans_time,
       const common::ObPartitionKey& sender, const common::ObPartitionKey& receiver, const common::ObAddr& scheduler,
@@ -223,7 +223,7 @@ class ObTransMsg : public ObTransMsgBase {
   //   (4) trans_version_: participant's local prepare version
   //   (5) request_id_: used to reject steal message
   //   (6) xid: required for XA
-  //   (7) is_xa_prepare: requried for XA
+  //   (7) is_xa_prepare: required for XA
   int init(const uint64_t tenant_id, const ObTransID& trans_id, const int64_t msg_type, const int64_t trans_time,
       const common::ObPartitionKey& sender, const common::ObPartitionKey& receiver, const common::ObAddr& scheduler,
       const common::ObPartitionKey& coordinator, const common::ObPartitionArray& participants,

src/storage/transaction/ob_trans_part_ctx.h

@@ -705,7 +705,7 @@ class ObPartTransCtx : public ObDistTransCtx, public ObTsCbTask {
   bool is_redo_prepared_;
   bool has_gen_last_redo_log_;
   // this let clear_log's timestamp always
-  // greate than commit timestamp of all participants
+  // greater than commit timestamp of all participants
   int64_t clear_log_base_ts_;
   TransResultInfo result_info_;
   int64_t end_log_ts_for_batch_commit_;

src/storage/transaction/ob_trans_rpc.h

@@ -302,7 +302,7 @@ void ObTransRPCCB<PC>::on_timeout()
       // 2. for read-only transaction, if remote server crash stop when tranaction commit,
       //    scheduler no need to retry the request
       // 3. for read-write transaction, if need to rollback, location cache will be refreshed after timeout reached
-      //    clean cache of current transaction and resend reqeust to new leader
+      //    clean cache of current transaction and resend request to new leader
       // 4. for other type of messsage, don't handle but register asynchronouse task
       if (OB_SUCCESS != (tmp_ret = transaction::handle_trans_msg_callback(trans_service_,
                              pkey_,