Never use checksums in Gen 3 processing.

Checksums greatly slow down repository copying, particularly for large repositories.
lsst · Oct 6, 2020 · 49500b1 · 49500b1
1 parent 67511f7
commit 49500b1
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/python/lsst/ap/verify/dataset.py b/python/lsst/ap/verify/dataset.py
@@ -277,7 +277,10 @@ def makeCompatibleRepoGen3(self, repoDir):
         """
         # No way to tell makeRepo "create only what's missing"
         try:
-            repoConfig = dafButler.Butler.makeRepo(repoDir)
+            initConfig = dafButler.Config()
+            # Checksums greatly slow importing of large repositories
+            initConfig[".datastore.checksum"] = False
+            repoConfig = dafButler.Butler.makeRepo(repoDir, config=initConfig)
             butler = dafButler.Butler(repoConfig, writeable=True)
             butler.import_(directory=self._preloadedRepo, filename=self._preloadedExport,
                            transfer="auto")