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Expanding the AWS Cloud: Introducing the AWS Canada (Central) Region

All Things Distributed

It relies on the scale and power of Amazon Simple Storage Service (Amazon S3) to deliver in-region storage options to businesses and organizations across the world in Canada, Japan, Singapore, Australia, Ireland, Germany, and the U.S., Par Werner Vogels, le 8 décembre 2016. as part of its Box Zones ecosystem.

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Use Physical Backups With MySQL InnoDB Redo Log Archiving

Percona

This issue most often occurs when there is significant MySQL server activity during the backup operation, and the redo log file storage media operates faster than the backup storage media. Copyright (c) 2016, 2023, Oracle and/or its affiliates. Press ^C to stop. Press ^C to stop. for help; 'quit' to exit.

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Using Parallel Query with Amazon Aurora for MySQL

Percona

now has a version which will support parallelism for SELECT queries (utilizing the read capacity of storage nodes underneath the Aurora cluster). Aurora PQ works by doing a full table scan (parallel reads are done on the storage level). SSD) we can’t utilize the full potential of IOPS with just one thread. Documentation: [link].

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"0 to 60" : Switching to indirect checkpoints

SQL Performance

In a recent tip , I described a scenario where a SQL Server 2016 instance seemed to be struggling with checkpoint times. I was a bit perplexed by this issue, since the system was certainly no slouch — plenty of cores, 3TB of memory, and XtremIO storage. SQL 2016 – It Just Runs Faster: Indirect Checkpoint Default.

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Batch Mode Normalization and Performance

SQL Performance

You will need SQL Server 2016 (or later) and Developer Edition (or equivalent) to reproduce the results shown here. This table uses columnstore for its primary storage to produce batch mode execution later on. c = COUNT_BIG ( * ) FROM #T AS T WHERE 1 = ( SELECT 1 ) -- Avoid trivial plan. c1 = @Start + N.

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How To Use systemd in Linux to Configure and Manage Multiple MySQL Instances

Percona

And I agree that in the modern age of cloud and huge flash storage, the vast majority of companies will never need to consider doing this in prod, but there is always a chance of its need. That said, other performance motivations mentioned above did play into it, especially before the days of multi-threaded replication. 10-Linux.x86_64.ssl101.tar.gz

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MongoDB Rollback: How to Minimize Data Loss

Scalegrid

Data-bearing members face a higher risk of encountering issues caused by rollbacks, compared to others who utilize different storage methods. The files look something like this: <dbname> <collectionname> 2016-02-08T19-34-44.0.bson Here is the syntax you can use: mongorestore -u <> -p <> -h 127.0.0.1 -d

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