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Questdb
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1633f32e
编写于
7月 27, 2020
作者:
N
NicQuestDB
提交者:
GitHub
7月 27, 2020
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@@ -33,19 +33,19 @@
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## What is QuestDB
## What is QuestDB
QuestDB is an open
-source database designed to make time-
series lightning fast
QuestDB is an open
source database designed to make time
series lightning fast
and easy.
and easy.
It uses a column-oriented approach, vectorized execution, SIMD instructions, and
It uses a column-oriented approach, vectorized execution, SIMD instructions, and
a whole array of low-latency techniques. The whole code base is built from
a whole array of low-latency techniques. The whole code base is built from
scratch
,
without dependencies, in the name of performance. We are 100% free from
scratch
and
without dependencies, in the name of performance. We are 100% free from
garbage collection.
garbage collection.
QuestDB implements SQL, and augments it for time-series. It exposes a Postgres
QuestDB implements SQL, and augments it for time-series. It exposes a Postgres
wire protocol, a high-performance REST API, and even supports ingestion with
wire protocol, a high-performance REST API, and even supports ingestion with
InfluxDB line protocol. It supports both relational and time-series joins, which
InfluxDB line protocol. It supports both relational and time-series joins, which
makes it easy to correlate data over time. Writes are durably committed to disk,
makes it easy to correlate data over time. Writes are durably committed to disk,
meaning that the data is safe
,
yet instantly accessible.
meaning that the data is safe
-
yet instantly accessible.
## Performance figures
## Performance figures
...
...
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