-
We can integrate IndexManger together with CacheManager, IndexManager use a bytebuffer for IndexInfo storage, and CacheManager use a column store for CacheData and CacheInfo, perhaps we can put them…
gfl94 updated
8 years ago
-
i cant view a parquet file.
line below throws error -> "don't know how to skip type Set"
var parquetReader = await ParquetReader.CreateAsync(parquetFilePath, null, cancellationToken);
The error m…
-
I imagine it's a lot more performant, given the bandwidth would be lower, the types are pre-defined, and the columnar storage is similar.
-
**Abstract**
Columnar storage is a core component of a modern data analytics system. Although many database management systems (DBMSs) have proprietary storage formats, most provide extensive suppo…
-
PG 15
Citus 12.1
I am evaluating the columnar storage to compress old data for our use case.
So far the compression ratio is great, but the querying is very slow.
After analysis, and despite def…
-
**Summary**
A columnar Geometry/Geography format is proposed here to provide support for the storage and computation of geospatial features.
https://github.com/forsaken628/databend/blob/9e132699cc22…
-
### Backend
VL (Velox)
### Bug description
We have observed performance drop in TPCDS runs after the patch #6009.
Top regressing Queries
--------------------------------------------
QueryId Ne…
-
Say, if there is a `bool` in struct. When columnar storage is used wouldn't it be more useful that we can make use of every single bit rather than using a byte for a bool? Rust compiler optimizes stru…
-
### Component(s)
exporter/file
### Is your feature request related to a problem? Please describe.
Parquet Format:
Parquet is a columnar storage file format optimized for big data processing framew…
-
### Is there an existing issue for this?
- [X] I have searched the existing issues
### Summary
Add support for [Clickhouse](https://clickhouse.com/) as a data source.
### Why should this be worked…
funge updated
2 months ago