600 questions
0
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37
views
Error while using stored procedure in distributed transaction
I am not good at databases and SQL and have not worked on complex tasks. I will try to explain as best as I can. Thanks for your help.
We are performing proof-of-concept (POC) and we are facing some ...
0
votes
0
answers
42
views
Oracle Flashback queries for massively-parallel scanning of a large distributed table
I'd like to perform a massive parallel scanning of a large table in a clustered Oracle database setup (with a master node and several replicas). All client transactions that read from the table need ...
2
votes
1
answer
98
views
How to achieve distributed transaction consistency in a microservices architecture without using 2PC?
In a microservice architecture, each service typically manages its own database and executes operations independently. However, when dealing with business processes that span multiple microservices, ...
0
votes
0
answers
58
views
Does Oracle JDBC Driver support Jakarta XA Transactions?
Is there a version of Oracle JDBC driver that supports Jakarta transactions (using the jakarta.transaction package rather than javax.transaction)?
I'm trying to build an XA, 2 Phase Commit solution ...
2
votes
2
answers
199
views
Why is read repair not sufficient in making dynamo-style database linearizable?
I am reading DDIA. It says "possible to make Dynamo-style quorums linearizable at the cost of reduced performance: a reader must perform read repair (see “Read repair and antientropy” on page 178)...
1
vote
1
answer
45
views
Handling custom transaction failures
I have a use case where to mark a create entity operation as successful in my service, I have to write some metadata to DataBase 1 (my service has direct access to DB), internally call another api of ...
0
votes
0
answers
45
views
Transaction flow for distributed transaction in Spring Batch
I am relatively new to spring batch. I have a spring batch which fetch's an event from oracle DB and perform business validations and updates business tables for example - generates new entries in ...
0
votes
1
answer
32
views
Avoiding distributed transactions from UI
The meat and potatoes of how our website works is that users create an "Activity" when they receive a call from a patient. An activity is essentially documenting what the patient is calling ...
0
votes
0
answers
181
views
Oracle XA support - ORA-17023: Unsupported feature
I am trying to both administer 2 Oracle 21c databases and write a Java app that uses XA transactions against them. I've never administered XA support on databases and have had a hard time finding ...
0
votes
1
answer
208
views
ASP.NET Core 6 and EF Core - distributed transaction
We have upgraded recently from .NET Core 2.2 to .NET 6.0 and we encounter several issues. One of them is related to using System.Transaction which somehow is being upgraded to distributed transaction ...
0
votes
1
answer
286
views
Update trigger for SQL Server linked server
Update trigger doesn't work while using SQL Server linked server.
I created a linked server on my local SQL Server. I can query this linked server (SELECT, UPDATE, INSERT etc.) from my local machine.
...
0
votes
1
answer
566
views
I have a deadlock on a distributed transaction in a .NET 8 environment, but I don't understand how to resolve it
I have created a console application using the .Net 8 environment and there is this code in Program.cs:
TransactionManager.ImplicitDistributedTransactions = true;
var transactionOptions = new ...
0
votes
1
answer
174
views
Distributed Transaction Handling on single Database (SpringBoot, JMS, JPA)
I have a setup which I can scale by adding nodes listening to a JMS Queue.
All resources (nodes) write into the same database and work together on one or many "Jobs" in parallel.
Job A -->...
0
votes
0
answers
276
views
Java spring boot 2PC protocol implementation
In my new microservices arch we are planning to 2PC protocol to handle distributed TX mgmt as we are using Oracle shared DB. I am unable to find any right implementation over the web. Is there any ...
1
vote
1
answer
3k
views
Spring boot 3 with Atomikos
Spring Boot 3 doesn't support Atomikos.
https://github.com/spring-projects/spring-boot/wiki/Spring-Boot-3.0-Migration-Guide
Support for the following dependencies has been removed in Spring Boot 3.0:
...
0
votes
2
answers
161
views
Configure conditioned replication between databases in a single instance of Cloud Spanner
im working on a school project about replication in databases. I created a cloud spanner instance with 5 databases. The "main" database is named electores_nac and i want to replicate only ...
0
votes
1
answer
187
views
TransactionScope in Azure SQL Database with primary and failover database server
Am creating some utility tool with c# code for DBA(run Background job to get some metrics), for that am using failover database server(dbserver-fa) for read data and primary server(dbserver) for write ...
2
votes
0
answers
180
views
How do distributed locks work in Spring Data JPA repository level?
Let's imagine we have an application that has 3 instances and 1 DB (there might be more synchronized DBs) and we have a withdraw method that basically selects the account from account table with @...
0
votes
1
answer
104
views
Mismatched number of SQL Server Transactions in LinkedServer
I have a linked Server connected from ServerA to ServerB.
In each server there is an SP that initiates a transaction and it is necessary for one ServerA.SP to be executed within ServerB.SP.
My problem ...
0
votes
0
answers
118
views
Running two JDBC transactions for different databases - will it work?
I want to make transactional update in two databases. Given I have following pseudocode:
try {
Connection conn1 = DriverManager.getConnection("jdbc:postgresql://HOST1", "postgres1&...
1
vote
2
answers
5k
views
How to replace atomikos in distributed transaction in spring boot 3
I try to follow migration guide when atomikos was removed in spring boot 3:
https://github.com/spring-projects/spring-boot/wiki/Spring-Boot-3.0-Migration-Guide
but I can no see information about it. ...
2
votes
0
answers
101
views
Multi-master data replication across different AWS regions
We need to synchronize data stored in different AWS regions that may reside on different databases(MySQL, Postgres, DynamoDB etc.). For example, we may have a user that has a profile in both us-east-1 ...
1
vote
1
answer
166
views
CQRS Inventory management how to manage eventual consistency when getting stock balance from read store?
How can I manage eventual consistency when getting stock balance (or like bank account balance) from read database when implementing CQRS? I dont want to playback events as I believe it will be a ...
0
votes
1
answer
63
views
is there any way to use Rollback the DB operations performed by set of consecutive API's network calls to Help Automation
is there any way to use Rollback the DB operations performed by set of consecutive API's network calls to Help Automation
For instance if i have a test script to test my application
so my test script ...
1
vote
1
answer
180
views
AWS QLDB multi region support
I am working on QLDB from last 3 months on a single region using it as a leisure database. Now, business wants to move applications in multi-region support. I found many of the AWS services support ...
0
votes
1
answer
41
views
How to rollback all the insert and update that are done in different tables from different function calls that are called through the single api
I am calling an API to save the production data, I need to save various details like batch no, machine no, and process in different database
Class ProductionImpl{
public Long saveProduction(...
1
vote
1
answer
531
views
Applying SAGA pattern in situations where immediate feedback to user is required
Imagine there is an app where a user has a wallet which they can top it up with cash, cash it out or make purchases from an external system, when the user creates a new purchase order, we first deduct ...
5
votes
5
answers
6k
views
.NET 7 Distributed Transactions issues
I am developing small POC application to test .NET7 support for distributed transactions since this is pretty important aspect in our workflow.
So far I've been unable to make it work and I'm not sure ...
1
vote
1
answer
253
views
How to handle in Saga pattern implemented with execution coordinator, if a service completes its transaction, but does notify the next service
Consider order processing which consists of multiple micro-services each for:
Create order.
Make payment.
Update inventory.
Deliver order.
Let say saga execution coordinator is used to implement ...
0
votes
1
answer
451
views
Narayana Transaction Manager configuration - Not rolling back
I am trying to configure the narayana transaction manager with camel and spring. I have created two data source objects and inserting two records in to two different databases. I am throwing error ...
0
votes
1
answer
151
views
Strict serializability example clarification?
I am trying to learn the different consistency models and I ran into these slides. However, I can't interpret the slide below on strict serializability which slide 4 of the slides says that a read ...
1
vote
1
answer
291
views
MSDTC over network does not work in Azure Pipeline Microsoft hosted agents
I have the following scenario. I am running a pipeline in Microsoft Hosted agent windows-2022. In the pipeline process, I run a sql server container, which serves as my database server. My application ...
0
votes
1
answer
1k
views
Does MassTransit Transactional Outbox Work with Multi Bus scenarios
There is a situation that I have separate CommandBus and EventBus, I have a consumer that listens to the commands in the command bus and after the operation is handled it publishes related events to ...
1
vote
1
answer
572
views
Atomikos transaction timeout when insert into huge table
I'm using atomikos to handle global transaction between 2 different databases. I ran before with more than 1 billion records and this problem just appeared couple days ago. I guess the reason is my ...
0
votes
1
answer
1k
views
Tracing using Correlation-ID/etc when one service A makes multiple calls to service B
If a user calls service A, and service A then calls service B, tracing is simple using the correlation ID.
Now if service A calls service B multiple times, the same correlationID gets used for each of ...
2
votes
0
answers
113
views
Atomikos - Working with two databases and single repository
I'm playing around with Atomikos. Using this as a starting point: https://www.fabiomaffioletti.me/blog/2014/04/15/distributed-transactions-multiple-databases-spring-boot-spring-data-jpa-atomikos/
In ...
1
vote
0
answers
602
views
Is Distributed transaction still not support is efcore and .Net6
Dears,
I am going to use multiple databases in my application but as you know, distributed transactions is not supported in efcore yet.
So is there any work around to save multiple transactions across ...
0
votes
1
answer
880
views
How to save result of executing command in link server
I need to execute same command in different server using linked-server.
INSERT #Result
EXEC ('command') AT @linked_server
Because Insert statement opens an Implicit transaction and I can not enable ...
-1
votes
3
answers
5k
views
Spring boot "no transaction is in progress" with 2 datasources
I have two databases and i'm trying to save some records to both of them inside a service method.
This gives me the error: org.springframework.dao.InvalidDataAccessApiUsageException: no transaction is ...
1
vote
0
answers
320
views
How to correctly mix JTA and JPA transaction in Spring application
My Spring application was using JPA transaction manager but for some situations I would like to use JTA transaction manager. Therefore I updated Spring config to something like that:
<beans>
&...
0
votes
0
answers
533
views
Read uncommited data using transaction id in postgres after prepare transaction
I have a use case as below:
Prepare a transaction and keep this transaction id.
Do some operations in multiple sessions using the same transaction id.
Do some operations in any external system.
Do ...
0
votes
1
answer
1k
views
Number of Messages Per Transaction in Kafka
Are there guidelines on how many messages and/or partitions can be involved in a Kafka Producer Transaction before performance really starts to suffer?
Obviously, the more partitions are involved, the ...
1
vote
0
answers
192
views
Couchbase attempt context transaction not working as expected
When there are multiple requests for updating same document in a AttemptContext transaction block, data becomes inconsistent because of concurrent threads trying to update the document. Also a warning ...
1
vote
2
answers
300
views
Can Distributed SQL tools be applied as alternatives to 2 phase commit or sagas patterns for distributed transaction coordination?
I am currently reading the Microservices Patterns and it says there are mostly two approaches for distributed transactions: two phase commit (2PC) and sagas pattern.
Also, I've heard about currently ...
1
vote
1
answer
995
views
Problem with Queue browsing when upgrading from 5.15.14 to 5.16.2
Has anyone also noticed an issue with queue browsing with 5.16.2?
It happens when using an XA connection and starting a session without a transaction context.
This always worked fine but no longer ...
3
votes
2
answers
921
views
Design / Implement Transactional Outbox pattern in schema isolated multitenant application
I have a multi-tenant application. The tenants data is isolated based on schema.
I want to implement a transactional outbox pattern, where I want to store the events in a table (in same transaction)...
0
votes
0
answers
380
views
Deadlock Detection in Distributed Systems: Deadlock victim not recognised when using two different SQL-Server on different machines
I have a reproducible case where NO deadlock victim is detected.
The configuration is as follows:
Database 1 runs on SQL Server 1 on Machine 1
Database 2 runs on SQL Server 2 on Machine 2
The MSDTCs ...
0
votes
1
answer
985
views
How to rollback child transaction if any exception in parent transaction?
I have two transaction manager for two database. I need to persist same data into both databases. If one transaction failed, other one need rollback. I have done like below
public interface ...
7
votes
1
answer
3k
views
Two Phase Commit vs Three Phase Commit
I am currently studying 2 phase and 3 phase commit.
The 3PC protocol tries to eliminates the 2PC protocol’s system blocking problem by adding an extra phase, preCommit. As mentioned here
According to ...
1
vote
2
answers
2k
views
what are the essential differences between SAGA and TCC for the distributed transaction problem?
I am reading the SAGA pattern to solve the distributed transaction problem. Although the names of the concepts in SAGA are different from those in TCC(try-commit-cancel), I don't find essential ...