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1answer
133 views

How to generate replication snapshot without locking tables

When I reinitialize subscription and generate new snapshot it locks all tables and makes the database unusable for a very long time (never waited it out). Is there anyway to do this without locking?
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2answers
71 views

Snapshot replication - How to detect when a snapshot has arrived on the Subscriber from the Subscriber DB

I have snapshot replication set up to on a server which publishes to a second server as part of a scheduled SQL Server Agent job. When the snapshot finishes, I would like to detect when each table has ...
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1answer
222 views

Taking hot backup of slave node in postgres (master-slave config with repmgr)

I have a postgresql setup with master-slave configuration using repmgr. I'm struggling with taking a consistent snapshot backup (pg_start_backup) of the slave node, this is due the fact that the slave ...
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0answers
335 views

Snapshot transaction throws random conflict. Should I choose something else? [closed]

I've got a problem with my transaction. Currently it runs in IsolationLevel.Snapshot. The action it does, can take some time depending on the amount of data, it has to import. What it does: Create ...
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1answer
200 views

Should I keep pg_xlog on the same disk as data if using disk snapshotting?

We're running on EBS volumes on EC2. We're interested in leveraging EBS snapshotting for backups. However, does this mean we'd need to ensure our pg_xlog is on the same EBS volume as our data? (I ...
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1answer
49 views

quick checkpoints for development mode

i'm a programmer, not a dba. i need a mechanism to quickly make a snapshot of a database (oracle 11g XE) before i run migration. migration changes data, grants, DDL (tables, triggers, lexers, views ...