Improve performance of query when seq is far behind log

ssbc · Apr 1, 2022 · aa0fcea · aa0fcea
1 parent 19675f7
commit aa0fcea
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/index.js b/index.js
@@ -1092,9 +1092,6 @@ module.exports = function (log, indexesPath) {
       // kick-start this chain with a dummy null value
       push.values([null]),
 
-      // ensure that the seq->offset index is synchronized with the log
-      push.asyncMap((_, next) => ensureSeqIndexSync(next)),
-
       // load lazy indexes, if any
       push.asyncMap((_, next) => {
         const lazyIdxNames = detectLazyIndexesUsed(operation)
@@ -1117,6 +1114,9 @@ module.exports = function (log, indexesPath) {
         createIndexes(opsMissingIdx, next)
       }),
 
+      // ensure that the seq->offset index is synchronized with the log
+      push.asyncMap((_, next) => ensureSeqIndexSync(next)),
+
       // get bitset for the input operation, and cache it
       push.asyncMap((_, next) => {
         getBitsetForOperation(operation, (bitset, filters) => {

diff --git a/package.json b/package.json
@@ -57,8 +57,8 @@
     "ssb-keys": "^8.1.0",
     "ssb-ref": "^2.14.3",
     "ssb-validate": "^4.1.1",
+    "tap-arc": "^0.3.4",
     "tap-bail": "^1.0.0",
-    "tap-arc": "^0.1.2",
     "tape": "^5.2.2"
   },
   "scripts": {