[Source-mongodb-v2] : Adding logs for resume token timestamps + reducing min document discovery size further

airbyte-cdk/java/airbyte-cdk/README.md

@@ -166,6 +166,7 @@ MavenLocal debugging steps:
 
 | Version | Date       | Pull Request                                               | Subject                                                                                                                                                        |
 |:--------|:-----------|:-----------------------------------------------------------|:---------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| 0.13.2  | 2024-01-18 | [\#34364](https://github.com/airbytehq/airbyte/pull/34364) | Better logging in mongo db source connector                                                                                                                    |
 | 0.13.1  | 2024-01-18 | [\#34236](https://github.com/airbytehq/airbyte/pull/34236) | Add postCreateTable hook in destination JdbcSqlGenerator                                                                                                       |
 | 0.13.0  | 2024-01-16 | [\#34177](https://github.com/airbytehq/airbyte/pull/34177) | Add `useExpensiveSafeCasting` param in JdbcSqlGenerator methods; add JdbcTypingDedupingTest fixture; other DV2-related changes                                 |
 | 0.12.1  | 2024-01-11 | [\#34186](https://github.com/airbytehq/airbyte/pull/34186) | Add hook for additional destination specific checks to JDBC destination check method                                                                           |

airbyte-cdk/java/airbyte-cdk/core/src/main/resources/version.properties

@@ -1 +1 @@
-version=0.13.1
+version=0.13.2

airbyte-cdk/java/airbyte-cdk/db-sources/src/main/java/io/airbyte/cdk/integrations/debezium/internals/mongodb/MongoDbDebeziumStateUtil.java

@@ -56,7 +56,8 @@ public class MongoDbDebeziumStateUtil implements DebeziumStateUtil {
    */
   public JsonNode constructInitialDebeziumState(final BsonDocument resumeToken, final MongoClient mongoClient, final String serverId) {
     final String replicaSet = getReplicaSetName(mongoClient);
-    LOGGER.info("Initial resume token '{}' constructed", ResumeTokens.getData(resumeToken).asString().getValue());
+    LOGGER.info("Initial resume token '{}' constructed, corresponding to timestamp (seconds after epoch) {}",
+        ResumeTokens.getData(resumeToken).asString().getValue(), ResumeTokens.getTimestamp(resumeToken).getTime());
     final JsonNode state = formatState(serverId, replicaSet, ((BsonString) ResumeTokens.getData(resumeToken)).getValue());
     LOGGER.info("Initial Debezium state constructed: {}", state);
     return state;
@@ -113,12 +114,14 @@ public boolean isValidResumeToken(final BsonDocument savedOffset, final MongoCli
     final ChangeStreamIterable<BsonDocument> stream = mongoClient.watch(BsonDocument.class);
     stream.resumeAfter(savedOffset);
     try (final var ignored = stream.cursor()) {
-      LOGGER.info("Valid resume token '{}' present.  Incremental sync will be performed for up-to-date streams.",
-          ResumeTokens.getData(savedOffset).asString().getValue());
+      LOGGER.info("Valid resume token '{}' present, corresponding to timestamp (seconds after epoch) : {}.  Incremental sync will be performed for "
+          + "up-to-date streams.",
+          ResumeTokens.getData(savedOffset).asString().getValue(), ResumeTokens.getTimestamp(savedOffset).getTime());
       return true;
     } catch (final MongoCommandException | MongoChangeStreamException e) {
-      LOGGER.info("Invalid resume token '{}' present.  Initial snapshot will be performed for all streams.",
-          ResumeTokens.getData(savedOffset).asString().getValue());
+      LOGGER.info("Invalid resume token '{}' present, corresponding to timestamp (seconds after epoch) : {}.  Initial snapshot will be performed for "
+          + "all streams.",
+          ResumeTokens.getData(savedOffset).asString().getValue(), ResumeTokens.getTimestamp(savedOffset).getTime());
       return false;
     }
   }

airbyte-integrations/connectors/source-mongodb-v2/build.gradle

@@ -5,7 +5,7 @@ plugins {
 }
 
 airbyteJavaConnector {
-    cdkVersionRequired = '0.7.9'
+    cdkVersionRequired = '0.13.2'
     features = ['db-sources']
     useLocalCdk = false
 }

airbyte-integrations/connectors/source-mongodb-v2/integration_tests/expected_spec.json

@@ -164,7 +164,7 @@
         "description": "The maximum number of documents to sample when attempting to discover the unique fields for a collection.",
         "default": 10000,
         "order": 10,
-        "minimum": 100,
+        "minimum": 10,
         "maximum": 100000,
         "group": "advanced"
       }

airbyte-integrations/connectors/source-mongodb-v2/metadata.yaml

@@ -5,7 +5,7 @@ data:
   connectorSubtype: database
   connectorType: source
   definitionId: b2e713cd-cc36-4c0a-b5bd-b47cb8a0561e
-  dockerImageTag: 1.2.2
+  dockerImageTag: 1.2.3
   dockerRepository: airbyte/source-mongodb-v2
   documentationUrl: https://docs.airbyte.com/integrations/sources/mongodb-v2
   githubIssueLabel: source-mongodb-v2

airbyte-integrations/connectors/source-mongodb-v2/src/main/java/io/airbyte/integrations/source/mongodb/cdc/MongoDbCdcInitializer.java

@@ -92,9 +92,9 @@ public List<AutoCloseableIterator<AirbyteMessage>> createCdcIterators(
     final boolean isEnforceSchema = config.getEnforceSchema();
     final Properties defaultDebeziumProperties = MongoDbCdcProperties.getDebeziumProperties();
     logOplogInfo(mongoClient);
-    final BsonDocument resumeToken = MongoDbResumeTokenHelper.getMostRecentResumeToken(mongoClient);
+    final BsonDocument initialResumeToken = MongoDbResumeTokenHelper.getMostRecentResumeToken(mongoClient);
     final JsonNode initialDebeziumState =
-        mongoDbDebeziumStateUtil.constructInitialDebeziumState(resumeToken, mongoClient, databaseName);
+        mongoDbDebeziumStateUtil.constructInitialDebeziumState(initialResumeToken, mongoClient, databaseName);
     final MongoDbCdcState cdcState = (stateManager.getCdcState() == null || stateManager.getCdcState().state() == null)
         ? new MongoDbCdcState(initialDebeziumState, isEnforceSchema)
         : new MongoDbCdcState(Jsons.clone(stateManager.getCdcState().state()), stateManager.getCdcState().schema_enforced());
@@ -137,7 +137,7 @@ public List<AutoCloseableIterator<AirbyteMessage>> createCdcIterators(
             emittedAt, config.getCheckpointInterval(), isEnforceSchema);
 
     final AirbyteDebeziumHandler<BsonTimestamp> handler = new AirbyteDebeziumHandler<>(config.rawConfig(),
-        new MongoDbCdcTargetPosition(resumeToken), false, firstRecordWaitTime, subsequentRecordWaitTime, queueSize);
+        new MongoDbCdcTargetPosition(initialResumeToken), false, firstRecordWaitTime, subsequentRecordWaitTime, queueSize);
     final MongoDbCdcStateHandler mongoDbCdcStateHandler = new MongoDbCdcStateHandler(stateManager);
     final MongoDbCdcSavedInfoFetcher cdcSavedInfoFetcher = new MongoDbCdcSavedInfoFetcher(stateToBeUsed);
 
@@ -164,8 +164,8 @@ private void logOplogInfo(final MongoClient mongoClient) {
       final Document command = new Document("collStats", "oplog.rs");
       final Document result = localDatabase.runCommand(command);
       if (result != null) {
-        LOGGER.info("Max oplog size is {} bytes", result.getInteger("maxSize"));
-        LOGGER.info("Free space in oplog is {} bytes", result.getInteger("freeStorageSize"));
+        LOGGER.info("Max oplog size is {} bytes", result.getLong("maxSize"));
+        LOGGER.info("Free space in oplog is {} bytes", result.getLong("freeStorageSize"));
       }
     } catch (final Exception e) {
       LOGGER.warn("Unable to query for op log stats, exception: {}" + e.getMessage());

airbyte-integrations/connectors/source-mongodb-v2/src/main/resources/spec.json

@@ -164,7 +164,7 @@
         "description": "The maximum number of documents to sample when attempting to discover the unique fields for a collection.",
         "default": 10000,
         "order": 10,
-        "minimum": 100,
+        "minimum": 10,
         "maximum": 100000,
         "group": "advanced"
       }

docs/integrations/sources/mongodb-v2.md

@@ -214,6 +214,7 @@ For more information regarding configuration parameters, please see [MongoDb Doc
 
 | Version | Date       | Pull Request                                             | Subject                                                                                                   |
 |:--------|:-----------|:---------------------------------------------------------|:----------------------------------------------------------------------------------------------------------|
+| 1.2.3   | 2024-01-18 | [34364](https://github.com/airbytehq/airbyte/pull/34364) | Add additional logging for resume token + reduce discovery size to 10.                                    |
 | 1.2.2   | 2024-01-16 | [34314](https://github.com/airbytehq/airbyte/pull/34314) | Reduce minimum document discovery size to 100.                                                            |
 | 1.2.1   | 2023-12-18 | [33549](https://github.com/airbytehq/airbyte/pull/33549) | Add logging to understand op log size.                                                                    |
 | 1.2.0   | 2023-12-18 | [33438](https://github.com/airbytehq/airbyte/pull/33438) | Remove LEGACY state flag                                                                                  |