Fix spelling errors (#4827)

Summary:
Hi, Lintian, the Debian package checker complains about spelling error (spelling-error-in-binary).

See https://salsa.debian.org/mariadb-team/mariadb-10.3/-/jobs/98380
Pull Request resolved: https://github.com/facebook/rocksdb/pull/4827

Differential Revision: D13566362

Pulled By: riversand963

fbshipit-source-id: cd4e9212133c73b0591030de6cdedaa47575968d

build_tools/RocksDBCommonHelper.php

@@ -97,7 +97,7 @@ function getSteps($applyDiff, $diffID, $username, $test) {
   }
 
   // fbcode is a sub-repo. We cannot patch until we add it to ignore otherwise
-  // Git thinks it is an uncommited change.
+  // Git thinks it is an uncommitted change.
   $fix_git_ignore = array(
     "name" => "Fix git ignore",
     "shell" => "echo fbcode >> .git/info/exclude",

db/column_family_test.cc

@@ -2042,7 +2042,7 @@ TEST_P(ColumnFamilyTest, SameCFAutomaticManualCompactions) {
 }
 #endif  // !ROCKSDB_LITE
 
-#ifndef ROCKSDB_LITE  // Tailing interator not supported
+#ifndef ROCKSDB_LITE  // Tailing iterator not supported
 namespace {
 std::string IterStatus(Iterator* iter) {
   std::string result;

db/db_block_cache_test.cc

@@ -173,7 +173,7 @@ TEST_F(DBBlockCacheTest, TestWithoutCompressedBlockCache) {
   delete iter;
   iter = nullptr;
 
-  // Release interators and access cache again.
+  // Release iterators and access cache again.
   for (size_t i = 0; i < kNumBlocks - 1; i++) {
     iterators[i].reset();
     CheckCacheCounters(options, 0, 0, 0, 0);

db/db_impl.cc

@@ -1868,7 +1868,7 @@ Status DBImpl::NewIterators(
   if (read_options.tailing) {
 #ifdef ROCKSDB_LITE
     return Status::InvalidArgument(
-        "Tailing interator not supported in RocksDB lite");
+        "Tailing iterator not supported in RocksDB lite");
 #else
     for (auto cfh : column_families) {
       auto cfd = reinterpret_cast<ColumnFamilyHandleImpl*>(cfh)->cfd();

db/db_impl.h

@@ -1472,7 +1472,7 @@ class DBImpl : public DB {
   std::atomic<bool> has_unpersisted_data_;
 
   // if an attempt was made to flush all column families that
-  // the oldest log depends on but uncommited data in the oldest
+  // the oldest log depends on but uncommitted data in the oldest
   // log prevents the log from being released.
   // We must attempt to free the dependent memtables again
   // at a later time after the transaction in the oldest

db/db_impl_write.cc

@@ -1048,22 +1048,22 @@ Status DBImpl::SwitchWAL(WriteContext* write_context) {
   auto oldest_alive_log = alive_log_files_.begin()->number;
   bool flush_wont_release_oldest_log = false;
   if (allow_2pc()) {
-    auto oldest_log_with_uncommited_prep =
+    auto oldest_log_with_uncommitted_prep =
         logs_with_prep_tracker_.FindMinLogContainingOutstandingPrep();
 
-    assert(oldest_log_with_uncommited_prep == 0 ||
-           oldest_log_with_uncommited_prep >= oldest_alive_log);
-    if (oldest_log_with_uncommited_prep > 0 &&
-        oldest_log_with_uncommited_prep == oldest_alive_log) {
+    assert(oldest_log_with_uncommitted_prep == 0 ||
+           oldest_log_with_uncommitted_prep >= oldest_alive_log);
+    if (oldest_log_with_uncommitted_prep > 0 &&
+        oldest_log_with_uncommitted_prep == oldest_alive_log) {
       if (unable_to_release_oldest_log_) {
         // we already attempted to flush all column families dependent on
-        // the oldest alive log but the log still contained uncommited
+        // the oldest alive log but the log still contained uncommitted
         // transactions so there is still nothing that we can do.
         return status;
       } else {
         ROCKS_LOG_WARN(
             immutable_db_options_.info_log,
-            "Unable to release oldest log due to uncommited transaction");
+            "Unable to release oldest log due to uncommitted transaction");
         unable_to_release_oldest_log_ = true;
         flush_wont_release_oldest_log = true;
       }

db/version_edit.cc

@@ -263,7 +263,7 @@ const char* VersionEdit::DecodeNewFile4From(Slice* input) {
         break;
       }
       if (!GetLengthPrefixedSlice(input, &field)) {
-        return "new-file4 custom field lenth prefixed slice error";
+        return "new-file4 custom field length prefixed slice error";
       }
       switch (custom_tag) {
         case kPathId:

utilities/transactions/write_prepared_txn.cc

@@ -419,7 +419,7 @@ void WritePreparedTxn::SetSnapshot() {
   // the mutex overhead, we call SmallestUnCommittedSeq BEFORE taking the
   // snapshot. Since we always updated the list of unprepared seq (via
   // AddPrepared) AFTER the last sequence is updated, this guarantees that the
-  // smallest uncommited seq that we pair with the snapshot is smaller or equal
+  // smallest uncommitted seq that we pair with the snapshot is smaller or equal
   // the value that would be obtained otherwise atomically. That is ok since
   // this optimization works as long as min_uncommitted is less than or equal
   // than the smallest uncommitted seq when the snapshot was taken.