diff options
| -rw-r--r-- | src/mongo/db/storage/wiredtiger/wiredtiger_import.cpp | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/mongo/db/storage/wiredtiger/wiredtiger_import.cpp b/src/mongo/db/storage/wiredtiger/wiredtiger_import.cpp index 72f0a6b6f99..c65ff5528bb 100644 --- a/src/mongo/db/storage/wiredtiger/wiredtiger_import.cpp +++ b/src/mongo/db/storage/wiredtiger/wiredtiger_import.cpp @@ -131,11 +131,16 @@ std::vector<CollectionImportMetadata> wiredTigerRollbackToStableAndGetMetadata( // only when opening and closing. We rely on checkpoints being disabled to make exporting the WT // metadata (byte offset to the root node) consistent with the new file that was written out. // TODO (SERVER-61475): Determine wiredtiger_open config string. + const auto wtConfig = "config_base=false,log=(enabled=true,path=journal,compressor=snappy)"; + uassertWTOK(wiredtiger_open(importPath.c_str(), nullptr, wtConfig, &conn), nullptr); + // Reopen as read-only, to ensure the WT metadata we retrieve will be valid after closing again. + // Otherwise WT might change file offsets etc. between the time we get metadata and the time we + // close conn. In fact WT doesn't do this if we don't write, but relying on explicit readonly + // mode is better than relying implicitly on WT internals. + uassertWTOK(conn->close(conn, nullptr), nullptr); uassertWTOK( - wiredtiger_open(importPath.c_str(), - nullptr, - "config_base=false,log=(enabled=true,path=journal,compressor=snappy)", - &conn), + wiredtiger_open( + importPath.c_str(), nullptr, "{},readonly=true"_format(wtConfig).c_str(), &conn), nullptr); ON_BLOCK_EXIT([&] { |