writer debug

diff --git a/db/log_writer.cc b/db/log_writer.cc
index aba862c16ff443ce5b0e900cd28c213af8a8c145..0e3f28ad0ca921586487f53945bda73d55ebbbb5 100644 (file)
--- a/db/log_writer.cc
+++ b/db/log_writer.cc
@@ -97,6 +97,10 @@ Status Writer::EmitPhysicalRecord(RecordType t, const char* ptr, size_t n) {
     uint32_t final_crc = crc ^ log_number_;              // XOR in log numb
     final_crc = crc32c::Mask(final_crc);                 // Adjust for storage
     EncodeFixed32(buf, final_crc);
+    if (false)
+      Log(InfoLogLevel::INFO_LEVEL, db_options_->info_log,
+         "EmitPhysicalRecord crc %d becomes %d on log %d\n",
+         crc, final_crc, log_number_);
   } else {
     crc = crc32c::Mask(crc);                 // Adjust for storage
     EncodeFixed32(buf, crc);