7 min read
Balancing quality and coverage with our data validation framework
At Dropbox, we store data about how people use our products and services in a Hadoop-based data lake. Various teams rely on the information in this
Tag : Mysql
7 min read
7 min read
Balancing quality and coverage with our data validation framework
At Dropbox, we store data about how people use our products and services in a Hadoop-based data lake. Various teams rely on the information in this
17 min read
Future-proofing our metadata stack with Panda, a scalable key-value store
Metadata is crucial for serving user requests. It also takes up a lot of space?and as we?ve grown, so has the amount of metadata we?ve had to
17 min read
Future-proofing our metadata stack with Panda, a scalable key-value store
Metadata is crucial for serving user requests. It also takes up a lot of space—and as we’ve grown, so has the amount of metadata we’ve had to
17 min read
Future-proofing our metadata stack with Panda, a scalable key-value store
Metadata is crucial for serving user requests. It also takes up a lot of space—and as we’ve grown, so has the amount of metadata we’ve had to
MySQL’s Invalid Dates + Power Query = No Effect Query Folding?!
You’re authoring in Power Query. You decide that rows with 0001-01-01 in a certain column should be removed, so you filter on the column, excluding
Beware of your Backup before upgrading MySQL 8.0.30
MySQL 8.0.30 was released on 26-07-2022. It has a good list of features. Generated Invisible Primary Key Dynamic Redo log Sizing Instruments to
8 min read
Everything in its write place: Cloud storage abstraction with Object Store
Dropbox originally used Amazon S3 and the Hadoop Distributed File System (HDFS) as the backbone of its data storage infrastructure. Although we
8 min read
Everything in its write place: Cloud storage abstraction with Object Store
Dropbox originally used Amazon S3 and the Hadoop Distributed File System (HDFS) as the backbone of its data storage infrastructure. Although we
MySQLは実はWindowsのdatadirをそのままLinuxに持って行っても動く(8.0では一ひねり必要)
タイトルがすべて。MySQL 5.7.39をWindowsでinitializeして起動。PS > bin\mysqld --initialize-insecuremysqld: Could not create or access
2 min read
Stream MySQL data with mydumper
Mydumper supports streaming of backups right from version 0.11.3 and the latest version Mydumper 0.12.3 it enabled its support for compressed
6 min read
Should you use open-source databases?
You are not the only one asking this seemingly popular question! Several companies are torn between the rise in appeal of open-source databases and
5 min read
MySQL Schema change With Skeema – Part 1 “Basic Operations”
As a Database Engineer, One of the biggest challenges in day-to-day activity is performing DDL on high-traffic and transaction-intensive tables. It
4 min read
Troubleshooting XA transaction in MySQL
This is one of the exciting troubleshooting related to XA transactions let’s dive in. Let me provide a few backgrounds. For one of our clients,
MySQL 8.0.30でもrpl_semi_sync_master_enabledとrpl_semi_sync_source_enabledは同じものではない
TL;DRrpl_semi_sync_master_enabled は semisync_master.so 由来で rpl_semi_sync_source_eanbled は semisync_source.so