prefer primary for db reads

JaneliaSciComp · Apr 28, 2024 · ddea058 · ddea058
1 parent 4b1ca48
commit ddea058
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Showing 2 changed files with 2 additions and 4 deletions.
diff --git a/...rch-persist/src/main/java/org/janelia/colormipsearch/dao/mongo/support/MongoDBHelper.java b/...rch-persist/src/main/java/org/janelia/colormipsearch/dao/mongo/support/MongoDBHelper.java
@@ -52,10 +52,8 @@ public static MongoClient createMongoClient(
                         MongoClientSettings.getDefaultCodecRegistry(),
                         codecRegistry))
                 .writeConcern(WriteConcern.JOURNALED)
-                .readConcern(ReadConcern.AVAILABLE)
-                .readPreference(ReadPreference.secondaryPreferred())
+                .readPreference(ReadPreference.primaryPreferred())
                 .retryWrites(true)
-                .retryReads(true)
                 .applyToConnectionPoolSettings(builder -> {
                     if (connectionsPerHost > 0) {
                         builder.maxSize(connectionsPerHost);

diff --git a/...ch-tools/src/main/java/org/janelia/colormipsearch/cmd/dataexport/LMCDMatchesExporter.java b/...ch-tools/src/main/java/org/janelia/colormipsearch/cmd/dataexport/LMCDMatchesExporter.java
@@ -86,7 +86,7 @@ private void runExportForTargetIds(int jobId, List<String> targetMipIds) {
         long startProcessingTime = System.currentTimeMillis();
         LOG.info("Start processing {} targets from partition {}", targetMipIds.size(), jobId);
         targetMipIds.forEach(targetMipId -> {
-            LOG.info("Read LM color depth matches for {}", targetMipId);
+            LOG.info("Read LM color depth matches for mip {}", targetMipId);
             List<CDMatchEntity<? extends AbstractNeuronEntity, ? extends AbstractNeuronEntity>> allMatchesForTarget = neuronMatchesReader.readMatchesByTarget(
                     dataSourceParam.getAlignmentSpace(),
                     /* maskLibraries */targetLibraries, // for LM -> EM targetLibraries should be EM libraries so they are mask libs