Try to switch to Stduio 2017

Summary: Closes https://github.com/facebook/rocksdb/pull/2802

Differential Revision: D5746710

Pulled By: siying

fbshipit-source-id: daa621ba5fccb84c0d6cdb7755c5e09319c45cb4

appveyor.yml

@@ -8,7 +8,7 @@ before_build:
 build:
   project: build\rocksdb.sln
   parallel: true
-  verbosity: minimal
+  verbosity: normal
 test:
 test_script:
 - ps: build_tools\run_ci_db_test.ps1 -SuiteRun db_basic_test,db_test2,db_test,env_basic_test,env_test -Concurrency 8

tools/db_stress.cc

@@ -885,7 +885,7 @@ class SharedState {
 
   bool HasVerificationFailedYet() { return verification_failure_.load(); }
 
-  port::Mutex* GetMutexForKey(int cf, long key) {
+  port::Mutex* GetMutexForKey(int cf, int64_t key) {
     return key_locks_[cf][key >> log2_keys_per_lock_].get();
   }
 
@@ -1773,7 +1773,7 @@ class StressTest {
           static_cast<double>(i) / FLAGS_ops_per_thread;
       const int64_t base_key = static_cast<int64_t>(
           completed_ratio * (FLAGS_max_key - FLAGS_active_width));
-      long rand_key = base_key + thread->rand.Next() % FLAGS_active_width;
+      int64_t rand_key = base_key + thread->rand.Next() % FLAGS_active_width;
       int rand_column_family = thread->rand.Next() % FLAGS_column_families;
       std::string keystr = Key(rand_key);
       Slice key = keystr;