From 66a12314e0350f877a6335cc5338210db6a00d34 Mon Sep 17 00:00:00 2001
From: Tor Egge <Tor.Egge@online.no>
Date: Thu, 9 Dec 2021 15:36:12 +0100
Subject: Calculate need for compaction when updating stats.

---
 .../searchcore/proton/documentmetastore/documentmetastore.cpp | 11 ++++++-----
 .../searchcore/proton/documentmetastore/documentmetastore.h   |  2 +-
 2 files changed, 7 insertions(+), 6 deletions(-)

(limited to 'searchcore/src')

diff --git a/searchcore/src/vespa/searchcore/proton/documentmetastore/documentmetastore.cpp b/searchcore/src/vespa/searchcore/proton/documentmetastore/documentmetastore.cpp
index 641108ea46b..28234730f7b 100644
--- a/searchcore/src/vespa/searchcore/proton/documentmetastore/documentmetastore.cpp
+++ b/searchcore/src/vespa/searchcore/proton/documentmetastore/documentmetastore.cpp
@@ -197,8 +197,7 @@ DocumentMetaStore::consider_compact_gid_to_lid_map()
     if (_gidToLidMap.getAllocator().getNodeStore().has_held_buffers()) {
         return false;
     }
-    auto &compaction_strategy = getConfig().getCompactionStrategy();
-    return compaction_strategy.should_compact_memory(_cached_gid_to_lid_map_memory_usage);
+    return _should_compact_gid_to_lid_map;
 }
 
 void
@@ -221,13 +220,15 @@ DocumentMetaStore::onCommit()
 void
 DocumentMetaStore::onUpdateStat()
 {
+    auto &compaction_strategy = getConfig().getCompactionStrategy();
     vespalib::MemoryUsage usage = _metaDataStore.getMemoryUsage();
     usage.incAllocatedBytesOnHold(getGenerationHolder().getHeldBytes());
     size_t bvSize = _lidAlloc.getUsedLidsSize();
     usage.incAllocatedBytes(bvSize);
     usage.incUsedBytes(bvSize);
-    _cached_gid_to_lid_map_memory_usage = _gidToLidMap.getMemoryUsage();
-    usage.merge(_cached_gid_to_lid_map_memory_usage);
+    auto gid_to_lid_map_memory_usage = _gidToLidMap.getMemoryUsage();
+    _should_compact_gid_to_lid_map = compaction_strategy.should_compact_memory(gid_to_lid_map_memory_usage);
+    usage.merge(gid_to_lid_map_memory_usage);
     // the free lists are not taken into account here
     updateStatistics(_metaDataStore.size(),
                      _metaDataStore.size(),
@@ -422,7 +423,7 @@ DocumentMetaStore::DocumentMetaStore(BucketDBOwnerSP bucketDB,
       _trackDocumentSizes(true),
       _changesSinceCommit(0),
       _op_listener(),
-      _cached_gid_to_lid_map_memory_usage()
+      _should_compact_gid_to_lid_map(false)
 {
     ensureSpace(0);         // lid 0 is reserved
     setCommittedDocIdLimit(1u);         // lid 0 is reserved
diff --git a/searchcore/src/vespa/searchcore/proton/documentmetastore/documentmetastore.h b/searchcore/src/vespa/searchcore/proton/documentmetastore/documentmetastore.h
index d78e98713ff..9e4977c65e1 100644
--- a/searchcore/src/vespa/searchcore/proton/documentmetastore/documentmetastore.h
+++ b/searchcore/src/vespa/searchcore/proton/documentmetastore/documentmetastore.h
@@ -77,7 +77,7 @@ private:
     bool                _trackDocumentSizes;
     size_t              _changesSinceCommit;
     OperationListenerSP _op_listener;
-    vespalib::MemoryUsage _cached_gid_to_lid_map_memory_usage;
+    bool                _should_compact_gid_to_lid_map;
 
     DocId getFreeLid();
     DocId peekFreeLid();
-- 
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