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count disk reads

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This commit is contained in:
Andreas Huber
2020-09-20 19:51:47 +02:00
parent 69f12aba98
commit 6bb6cdaea7
3 changed files with 33 additions and 0 deletions
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6
data-store/src/main/java/org/lucares/pdb/datastore/internal/DataStore.java
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@@ -32,6 +32,7 @@ import org.lucares.pdb.datastore.lang.Expression;
import org.lucares.pdb.datastore.lang.ExpressionToDocIdVisitor;
import org.lucares.pdb.datastore.lang.NewProposerParser;
import org.lucares.pdb.datastore.lang.QueryLanguageParser;
import org.lucares.pdb.diskstorage.DiskStoreStats;
import org.lucares.pdb.map.PersistentMap;
import org.lucares.utils.Preconditions;
import org.lucares.utils.cache.HotEntryCache;
@@ -235,11 +236,16 @@ public class DataStore implements AutoCloseable {
public List<Doc> search(final Query query) {
try {
DiskStoreStats.resetDiskRead();
final List<Doc> result = new ArrayList<>();
final PartitionLongList docIdsList = executeQuery(query);
LOGGER.trace("query {} found {} docs", query, docIdsList.size());
DiskStoreStats.incrementDiskRead();
LOGGER.info("Disk reads - search {}", DiskStoreStats.getAndResetDiskRead());
final List<Doc> docs = mapDocIdsToDocs(docIdsList);
LOGGER.info("Disk reads - mappedToDocIds {}", DiskStoreStats.getAndResetDiskRead());
result.addAll(docs);
return result;