change to debug level

src/blockchain_db/lmdb/db_lmdb.cpp

@@ -1351,7 +1351,7 @@ void BlockchainLMDB::open(const std::string& filename, const int db_flags)
   if (is_hdd_result)
   {
     if (is_hdd_result.value())
-        MCLOG_RED(el::Level::Warning, "global", "The blockchain is on a rotating drive: this will be very slow, use an SSD if possible");
+        MCLOG_RED(el::Level::Debug, "global", "The blockchain is on a rotating drive: this will be very slow, use an SSD if possible");
   }
 
   m_folder = filename;

src/cryptonote_core/cryptonote_core.cpp

@@ -2080,7 +2080,7 @@ namespace cryptonote
       MDEBUG("blocks in the last " << seconds[n] / 60 << " minutes: " << b << " (probability " << p << ")");
       if (p < threshold)
       {
-        MWARNING("There were " << b << (b == max_blocks_checked ? " or more" : "") << " blocks in the last " << seconds[n] / 60 << " minutes, there might be large hash rate changes, or we might be partitioned, cut off from the Wownero network or under attack, or your computer's time is off. Or it could be just sheer bad luck.");
+        MDEBUG("There were " << b << (b == max_blocks_checked ? " or more" : "") << " blocks in the last " << seconds[n] / 60 << " minutes, there might be large hash rate changes, or we might be partitioned, cut off from the Wownero network or under attack, or your computer's time is off. Or it could be just sheer bad luck.");
 
         std::shared_ptr<tools::Notify> block_rate_notify = m_block_rate_notify;
         if (block_rate_notify)

src/cryptonote_core/tx_pool.cpp

@@ -1546,7 +1546,7 @@ namespace cryptonote
           txpool_tx_meta_t meta;
           if (!m_blockchain.get_txpool_tx_meta(txid, meta))
           {
-            MERROR("Failed to find tx meta in txpool");
+            MDEBUG("Failed to find tx meta in txpool");
             // continue, not fatal
             continue;
           }