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How can I replicate transactions one by one in mysql?

I have one source server and one replica server. And I set source_delay 30mins, replication is gtid based, mysql version is 8.0.24 If I accidentally drop table A, Can I apply transactions just right ...
제임스으's user avatar
0 votes
0 answers
12 views

How to restore a backup and incremental backup of scyllaDB

I am working on incremental backup and restore. When I am trying to restore the incremental backup, after restoration, I am getting an error on cqlsh shell. ReadFailure: Error from server: code=1300 [...
MANJESH H S's user avatar
0 votes
1 answer
106 views

SQL Server - moving databases to an earlier version - options

I have inherited a vendor product. It’s currently very old, having been installed in 2013 and never updated in the 11 years since. The database server it’s using for its 3 database is SQL Server 2008 ...
fiveeuros's user avatar
0 votes
0 answers
47 views

LSRestore job is taking more than 1 hr to complete. Threshold time is 45min

LSCopy and LSRestore job has been scheduled for every 10 mins. I got a trn file on my secondary server after every 6 min from Primary server. LSCopy is synced with LSBackup. The problem is that ...
Ajit23jss9's user avatar
0 votes
1 answer
229 views

How to make sure that all required wal files are availables before starting a standby server?

Im writing a script to restore a postgres standby server that was out of sync with the master node for a while. I would like the following behavior Check if i can go with pg_rewind If pg_rewind fails,...
meilleureVie's user avatar
1 vote
1 answer
106 views

MySQL to MariaDB migration - user view breaks compatibility with backup-restores and replication

I am trying to migrate an Ubuntu 18.04-Server with Oracle's MySQL to a Ubuntu 22.04-Server with MariaDB 10.6.12. I've established a replication between the databases, which worked. Alone, the User ...
t2m's user avatar
  • 11
0 votes
0 answers
136 views

Mongodb setup replica set in parallel on same server

I would like to know how to proceed to deploy a mongodb replica set environment on my servers where, in turn, other mongodb instances are already running, the following happens: I have a mongodb ...
miguel ramires's user avatar
0 votes
1 answer
40 views

What is the correct value (GB) to shrink a DB?

My database has an MDF file of 56 GB and an LDF file of 263 GB, recovery model is setting to Full. So, I would like to shrink the LDF file because we are out of space. What specific size should I ...
luis.huallpa's user avatar
0 votes
1 answer
164 views

Would MySQL Replication (master-slave) have prevented this problem?

I'm new to the idea of MySQL Replication (mainly because I've never really had data important enough to have redundancy until recently). Today I had a random crash of my MySQL 8 database with the ...
Ethan Allen's user avatar
0 votes
0 answers
176 views

How to specify a sync source when adding a new member to a MongoDB replicaset?

Recently we had a machine physically destroyed, so our replicaset is now: Primary - Secondary - Arbiter (250G on disk, 20G (70hrs) oplog). So, I'm trying to add a new member (4.4.10) to the replicaset ...
Balbuzar's user avatar
1 vote
2 answers
508 views

How to replicate from Standby mode database

I have set up a pipeline which brings transactional logs each hour from a FTP site, and this newly created database is in Standby mode all the time because I need to read data during an office hour. ...
Java's user avatar
  • 251
0 votes
2 answers
68 views

Spinning multiple environments from single backup file

I am having a unique situation where my production database size 5TB (SQLSrv) which needs to be replicated across 4 servers daily. I am looking for an option where all 4 environments can use a single ...
Jassi's user avatar
  • 1
0 votes
1 answer
476 views

Is there a better way to add failed node back to postgres cluster?

There are 2 nodes in the cluster: node1(primary) and node2(replica). I will shutdown node1 and promote node2 as primary. I'll add the node1 back to the cluster (as a replica this time), so I am using ...
catalin's user avatar
  • 123
0 votes
1 answer
23 views

restore table and populate new data from transaction log

I use mysqldump nightly to backup a database. I'm trying to find a way to do a partial restore on the data from one table. I use the --master-data flag so I know where in the transactions log my data ...
user3783243's user avatar
5 votes
2 answers
2k views

how to remove all permissions in a database?

every time I need to either restore a database or reinitialize a replication publication I first (on the restored to be or subscription database) I script all the permissions, triggers, indexes, ...
Marcello Miorelli's user avatar
0 votes
1 answer
144 views

how to upgrade postgresql 9.0.4 to latest with minimum downtime

I have master-slave-slave setup for postgresql 9.0.4 in our production setup. We need to upgrade it to latest (11.X), so my question is what would be the procedure to do so with as little downtime as ...
Shujat Husain Ebix's user avatar
0 votes
1 answer
90 views

Mongodb restore “local” db

I need to restore a replica set. Unfortunately my lack of experience as administrator (I'm not) let me with the only solution of restore the replica using the data of the primary db (the only replica ...
Karina Panucia's user avatar
3 votes
1 answer
7k views

unable to start the standby postgres database

Situation I have 2 separate instances. Both running on Ubuntu 14.04 server. Both have installed postgres 9.5 the following way: sudo apt-get install software-properties-common python-software-...
Kim Stacks's user avatar
4 votes
3 answers
8k views

Migrating 300 GB mysql database from one server to another cleanly with minimum downtime

I have a 300 GB mysql database which i want to migrate to another server in order to setup Master-Master replication between the two and my main aim is to achieve this with least possible downtime. ...
Ajay Ganvir's user avatar
0 votes
1 answer
232 views

recovery with binlogs?

I would like to know if there is a way that I can restore my databases, I don't have a replication and I would like to migrate my databases without downtime or losing data. So with binlogs could I do ...
Eduardo Perez's user avatar
2 votes
1 answer
8k views

Error 468 MS SQL Server : Couldn't resolve collation conflict between Arabic_CI_AI and Arabic_CI_AS when enumerating publications

When I try to expand the list of local publications under Replication element in SQ Server Management Studio, I get the following error : Here is the detailed error log : =============================...
mounaim's user avatar
  • 659
5 votes
1 answer
663 views

What is Data Virtualization?

I've just been asked whether our company should consider Data Virtualization for our test environments. The benefits are given as: Screening of sensitive data Fast data refreshes in our test ...
JohnLBevan's user avatar
2 votes
1 answer
2k views

Restoring a replicated SQL Server database in a non-replicated testing enviroment

We have a SQL Server 2008R2 database in production. Originally, the database didn't have replication. Every time there was some problem with our software, we'd just create a backup from the production ...
Lucas Sch's user avatar
0 votes
2 answers
106 views

MySQL - replicate some tables between transaction and report database

I have two different database (on two different hosts). One database is transactional and another database is reporting. Let us say, it stores information about departments and their employees. ...
user72532's user avatar
3 votes
1 answer
2k views

MongoDB: dbclient_rs replSetGetStatus failed{ ok: 0.0, errmsg: "unauthorized" }

When I'm using mongodump or mongorestore on a replica set these messages appear in the verbose output: dbclient_rs replSetGetStatus failed{ ok: 0.0, errmsg: "unauthorized" } The replica set is ...
Ito's user avatar
  • 63
0 votes
1 answer
93 views

Restore databases from prod to test server with data over X days

We've got a list from app owners to restore say 20 databases from a total of 100 available production server databases onto a test server on weekly basis. Moreover, they require it in a way that ...
KASQLDBA's user avatar
  • 7,177
16 votes
2 answers
33k views

Mongo DB Replica set Stuck at RECOVERING state

We have created a replica set and now the problem is 2 members of replica set [3 members set] are in recovering mode from 48 hours. Initially the size of recovering nodes was increasing and now even ...
Avinash Sahu's user avatar
3 votes
2 answers
2k views

After Restore Log_reuse_wait_desc of Replication

I'm wondering if anybody has ran into this issue before and has any suggestions on what's causing it/how to fix it. We are restoring a database into lower Dev environments and after the restore the ...
MrTCS's user avatar
  • 709
4 votes
1 answer
5k views

Invalid object name 'master.dbo.MSreplication_options' when restoring DB

I've tried Googling for an answer to this but have got nowhere. I have one SQL Server instance whose replication is set up to be a publisher and a distributor of FooDatabase. I have a second ...
Jez's user avatar
  • 697
7 votes
1 answer
2k views

SQL Server considerations when backing up / restoring a database that uses replication

In the event that I need to restore a database involved in replication, what considerations do I need to keep in mind? Do I need to keep backups of both the publisher and the subscriber? Can I ...
GaTechThomas's user avatar