fix(rdb_load): fix loading huge hmaps with ttl (#3825)

dragonflydb · Sep 30, 2024 · 5d64e14 · 5d64e14
1 parent ee2f00d
commit 5d64e14
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/server/rdb_load.cc b/src/server/rdb_load.cc
@@ -70,9 +70,14 @@ using namespace tiering::literals;
 namespace {
 
 constexpr size_t kYieldPeriod = 50000;
-constexpr size_t kMaxBlobLen = 1ULL << 12;
 constexpr char kErrCat[] = "dragonfly.rdbload";
 
+// Maximum length of each LoadTrace segment.
+//
+// Note kMaxBlobLen must be a multiple of 6 to avoid truncating elements
+// containing 2 or 3 items.
+constexpr size_t kMaxBlobLen = 4092;
+
 inline void YieldIfNeeded(size_t i) {
   if (i % kYieldPeriod == 0) {
     ThisFiber::Yield();