See if we can avoid an lseek.

1 files changed, 1 insertions, 0 deletions

diff --git a/searchlib/src/vespa/searchlib/transactionlog/domainpart.cpp b/searchlib/src/vespa/searchlib/transactionlog/domainpart.cpp
index fbc10e8d085..729a3171556 100644
--- a/searchlib/src/vespa/searchlib/transactionlog/domainpart.cpp
+++ b/searchlib/src/vespa/searchlib/transactionlog/domainpart.cpp
@@ -548,6 +548,7 @@ DomainPart::write(FastOS_FileInterface &file, const IChunk & chunk)
         throw runtime_error(handleWriteError("Failed writing the entry.", file, lastKnownGoodPos, chunk.range(), os.size()));
     }
     _writtenSerial = chunk.range().to();
+    assert(size_t(lastKnownGoodPos) == byteSize());
     _byteSize.store(lastKnownGoodPos + os.size(), std::memory_order_release);
 }