Skip to content

feat: TAP-5761 mongos load balance #500

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
jarad0628 merged 2 commits into from
Mar 31, 2025
Merged

feat: TAP-5761 mongos load balance #500

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
9261244
feat: TAP-5761 mongos load balance
mnianqi Mar 25, 2025
5336da0
feat: TAP-5761 mongos load balance
mnianqi Mar 26, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
22 changes: 18 additions & 4 deletions connectors/mongodb-connector/src/main/java/io/tapdata/mongodb/MongodbUtil.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.*;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
import java.util.function.Consumer;
import java.util.stream.Collectors;
Expand Down Expand Up @@ -360,9 +361,22 @@ public static String mongodbKeySpecialCharHandler(String key, String replacement
return key;
}

private static boolean isMongoShards(String mongoUri) {
try (MongoClient mongoClient = MongoClients.create(mongoUri)) {
MongoCollection<Document> collection = mongoClient.getDatabase("config").getCollection("shards");
final MongoCursor<Document> cursor = collection.find().iterator();
if (cursor.hasNext()) {
return true;
}
return false;
} catch (Exception e) {
return false;
}
}

// 写一个方法, 接收 mongoUri, 如果参数里没有包含 replicaSet, 返回 mongoUri, 但是里面只有主节点的地址
private static String getPrimaryUri(String mongoUri) {
if (mongoUri.contains("replicaSet") || mongoUri.contains("mongodb+srv:")) {
if (mongoUri.contains("replicaSet") || mongoUri.contains("mongodb+srv:") || isMongoShards(mongoUri)) {
return mongoUri;
}

Expand Down Expand Up @@ -391,9 +405,9 @@ private static String getPrimaryUri(String mongoUri) {
}
}
}
});
}
} catch (Exception ignored) {
});
}
} catch (Exception ignored) {
}
// 如果 primaryHost 为空, 给第一个地址, 等报错后续继续选择
if (primaryHost.get() == null) {
Expand Down
Loading