horaedb

horaedb copied to clipboard

### Describe This Problem I'm excited to share that we've successfully implemented a local Write-Ahead Log (WAL) following the completion of #1566. While we haven't conducted extensive performance benchmarking yet,...

jiacai2050

Add downsapmling for ceresdb

2

### Describe This Problem At this stage, downsampling has become one of the basic capabilities in the field of time-series databases, which can solve problems such as excessive data volume...

chenmudu

Support for promql queries

2

### Describe This Problem It is hoped that ceresdb can support promql query, allowing users to select and aggregate time series data in real time ### Proposal support for promql...

jiwliu

### Describe this problem In current implementation, when we create a ExecutionPlan for ScanTable, it will begin to scan table, this is problematic since in build plan stage, NO IO...

jiacai2050

## Rationale #1623 ## Detailed Changes 1. Create a metric cache for both read and write scenarios. ```rust type MetricsData = RwLock; struct MetricsCache { pub inner: Arc, } struct...

zealchen

## Rationale #1623 ## Detailed Changes 1. Sequence diagram 2. Implement three caches: MetricsCache, SeriesCache, and TagIndexCache, each with an asynchronous serialization function. 3. Implement async write to storage in...

zealchen

The main task of MetricManager is to manage metric name of a sample, it will: 1. Calculate the id for metric name, using seahash. Since there is no field concept...

jiacai2050

### Describe This Problem The current manifest snapshot archiving process requires deduplication during every merge operation involving a single snapshot file and multiple SST files. Let's first look at the...

zealchen

support either nanosecond timestamp precision or composite primary keys

1

### Describe This Problem my use case is trade data analytics for signal or strategy indicators. a trade has: - timestamp: the time (in nanosecond precision) of the execution of...

grenade

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.40.0 to 1.43.1. Release notes Sourced from tokio's releases. Tokio v1.43.0 1.43.0 (Jan 8th, 2025) Added net: add UdpSocket::peek methods (#7068) net: add support for Haiku OS...

dependabot[bot]