Uqbar 1.1.0

1. Version Description

Uqbar 1.1.0 is the first version of the Uqbar time-series database. It was released on December 30 of 2022. As a Preview version, Uqbar 1.1.0 mainly builds the basic timing processing capability and optimizes the performance and compression rate, etc.

2. Functions Overview

2.1 Time-Series Policy Management

• New syntax and functions for creating, modifying, deleting and setting default policies for time-series policy.

• Built-in default time-series data management policy.

• Automatically aligning data by policy.

2.2 Time-Series Table Management

• Support time-series table creation, modification, and deletion.
• Support time-series table-related views, facilitating usage and management of time-series data.
• Divide data into chunk groups by time.

2.3 Time-Series Data Write

• Support data write without the time value, tag value, or field value.
• Support out-of-order writing.
• Allow users to customize the data consistency level.
• Write performance optimization.

2.4 Data Compression

• Support data background automatic compression storage function.
• Support manual data compression syntax and functions.

2.5 Deletion of Expired Data

• Support automatically deleting expired data in the background.

• Support manual data deletion syntax and functions.

2.6 Data Storage

• Compressed data tags are automatically stored separately from the field values.
• Support row-column hybrid storage of time-series data.

2.7 Data Query

• Support inverted index and combination query of any tag.

• Support row-column combination query.

• Support the time window aggregation function, time_bucket.

• Support common time-series analysis functions, including first and last.

2.8 High Availability

• Support HA deployment.

• Support automatic failover.

2.9 Backup and Restoration

• Support physical backup and restoration.

2.10 Biological Support

• Support for data visualization presentation using Grafana.

• Support for consuming Kafka data.

2.11 O&M Tool

• Support the PTK installation tool.

• Support the graphical management tool Manager for such O&M operations as installation, backup, monitoring, and alarm.

3. Compatibility

This version supports the following operating system and CPU architecture combinations.

OS	CPU Architecture
CentOS 7.x	X86_64 (Intel, AMD, Hygon, ZHAOXIN)
Redhat 7.x	X86_64 (Intel, AMD, Hygon, ZHAOXIN)
openEuler 20.03LTS	ARM (Kunpeng)、X86_64 (Intel, AMD, Hygon, ZHAOXIN)
Kylin V10	ARM (Kunpeng)、X86_64 (Intel, AMD, Hygon, ZHAOXIN)
UOS V20-D / V20-E	ARM (Kunpeng)、X86_64 (Intel, AMD, Hygon, ZHAOXIN)
UOS V20-A	X86_64 (Intel, AMD, Hygon, ZHAOXIN)