[BugFix] fix frequent freeze

src/storage/checkpoint/ob_checkpoint_executor.cpp

@@ -218,10 +218,6 @@ int ObCheckpointExecutor::advance_checkpoint_by_flush(SCN recycle_scn) {
                       K(calcu_recycle_lsn), K(ls_->get_ls_id()));
         }
       }
-      // the log of end_log_lsn and the log of clog_checkpoint_lsn may be in a block
-    if (recycle_scn < ls_->get_clog_checkpoint_scn()) {
-      recycle_scn.set_max();
-      }
     }
 
     if (OB_SUCC(ret)) {

src/storage/checkpoint/ob_data_checkpoint.cpp

@@ -787,7 +787,7 @@ int ObDataCheckpoint::freeze_base_on_needs_(share::SCN recycle_scn)
       }
 
       if (logstream_freeze) {
-        if (OB_FAIL(ls_->logstream_freeze())) {
+        if (OB_FAIL(ls_->logstream_freeze(true/*is_sync*/))) {
           STORAGE_LOG(WARN, "minor freeze failed", K(ret), K(ls_->get_ls_id()));
         }
       } else {

src/storage/ls/ob_ls.cpp

@@ -1346,7 +1346,7 @@ int ObLS::logstream_freeze(bool is_sync)
     }
   }
 
-  if (is_sync) {
+  if (OB_SUCC(ret) && is_sync) {
     ret = ls_freezer_.wait_freeze_finished(result);
   }
 
@@ -1378,7 +1378,7 @@ int ObLS::tablet_freeze(const ObTabletID &tablet_id, bool is_sync)
     }
   }
 
-  if (is_sync) {
+  if (OB_SUCC(ret) && is_sync) {
     ret = ls_freezer_.wait_freeze_finished(result);
   }