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[Launch] Cloud-centric docs, phase 1 (#2085)
Signed-off-by: Charis <[email protected]> Signed-off-by: Rajakavitha Kodhandapani <[email protected]> Signed-off-by: Lana Brindley <[email protected]> Co-authored-by: loquacity <[email protected]> Co-authored-by: Rajakavitha Kodhandapani <[email protected]> Co-authored-by: Yannis Roussos <[email protected]>
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Time-series data usually grows very quickly. And that means that aggregating the | ||
data into useful summaries can become very slow. Continuous aggregates makes | ||
aggregating data lightning fast. | ||
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If you are collecting data very frequently, you might want to aggregate your | ||
data into minutes or hours instead. For example, if you have a table of | ||
temperature readings taken every second, you can find the average temperature | ||
for each hour. Every time you run this query, the database needs to scan the | ||
entire table and recalculate the average every time. | ||
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Continuous aggregate views are refreshed automatically in the background as new | ||
data is added, or old data is modified. Timescale tracks these changes to the | ||
dataset, and automatically updates the view in the background. This does not add | ||
any maintenance burden to your database, and does not slow down `INSERT` | ||
operations. | ||
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By default, querying continuous aggregates provides you with real-time data. | ||
Pre-aggregated data from the materialized view is combined with recent data that | ||
hasn't been aggregated yet. This gives you up-to-date results on every query. |
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Timescale Cloud is hosted high-performance PostgreSQL for time-series and | ||
analytics. It gives you the reliability of PostgreSQL, the time-series | ||
superpowers of Timescale, and the peace of mind of a fully managed service | ||
with automatic backup and restore, high availability via replication, seamless | ||
scaling and resizing, and much more. |
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<Highlight | ||
type="cloud" | ||
header="Timescale Cloud or Managed Service for TimescaleDB?" | ||
> | ||
If your workload lives in AWS, use | ||
[Timescale Cloud](/getting-started/latest/), | ||
built and exclusively operated by Timescale, designed to offer maximum | ||
cost-effectiveness and performance for time-series data. If you need Azure or | ||
GCP, try | ||
[Managed Service for TimescaleDB](/mst/latest/) instead. | ||
</Highlight> |
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<Highlight type="cloud" header="Try for free on Timescale Cloud" button="Try for free"> | ||
Your Timescale Cloud trial is completely free for you to use for the first | ||
thirty days. This gives you enough time to complete all our tutorials and run a | ||
thirty days. This gives you enough time to complete all the tutorials and run a | ||
few test projects of your own. | ||
</Highlight> |
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Compressing your time-series data allows you to reduce your chunk size by more | ||
than 90%. This saves on storage costs, and keeps your queries operating at | ||
lightning speed. | ||
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When you enable compression, the data in your hypertable is compressed chunk by | ||
chunk. When the chunk is compressed, multiple records are grouped into a single | ||
row. The columns of this row hold an array-like structure that stores all the | ||
data. This means that instead of using lots of rows to store the data, it stores | ||
the same data in a single row. Because a single row takes up less disk space | ||
than many rows, it decreases the amount of disk space required, and can also | ||
speed up your queries. |
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<Highlight type="note"> | ||
You might also notice that the metadata fields are missing. Because this is a | ||
relational database, metadata can be stored in a secondary table and `JOIN`ed at | ||
query time. Learn more about [TimescaleDB's support for `JOIN`s](#joins-with-relational-data). | ||
query time. Learn more about [Timescale's support for `JOIN`s](#joins-with-relational-data). | ||
</Highlight> |
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Hypertables are PostgreSQL tables with special features that make it easy to | ||
work with time-series data. You interact with them just as you would with | ||
regular PostgreSQL tables. But behind the scenes, hypertables automatically | ||
partition your data into chunks by time. | ||
Hypertables are PostgreSQL tables that automatically partition your data by | ||
time. You interact with hypertables in the same way as regular PostgreSQL | ||
tables, but with extra features that makes managing your time-series data much | ||
easier. | ||
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In TimescaleDB, hypertables exist alongside regular PostgreSQL tables. Use | ||
In Timescale, hypertables exist alongside regular PostgreSQL tables. Use | ||
hypertables to store time-series data. This gives you improved insert and query | ||
performance, and access to useful time-series features. Use regular PostgreSQL | ||
tables for other relational data. | ||
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With hypertables, Timescale makes it easy to improve insert and query | ||
performance by partitioning time-series data on its time parameter. Behind the | ||
scenes, the database performs the work of setting up and maintaining the | ||
hypertable's partitions. Meanwhile, you insert and query your data as if it all | ||
lives in a single, regular PostgreSQL table. |
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