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http://highscalability.com/blog/2015/12/9/free-red-book-readings-in-database-systems-5th-edition.html
https://www.dropbox.com/sh/9wlcv9shyijfa3k/AAByp0jIRDdxYWP_xYjYAE3xa?dl=0
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Hello Hyperloglog team,
It seems setsketch paper is out and there are some improvement over the old implenmentation. see here: https://vldb.org/pvldb/vol14/p2244-ertl.pdf
Thanks,
Jianshu
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**Is your feature request related to a problem? Please describe.**
After half a year of detailed code analysis, we have seen the strength of the tsdb index, We are ready to migrate from Cassandra…
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This library is pretty incredible, just have a bit of a concern I wanted to report.
My use case is as follows:
Take 2 CSV's containing customer data that should contain 1 or more fields that are…
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Hi galaxyengine developers,
I found some large configurations for `write buffers` of `X-Engine` in:
```
storage/xengine/core/pt_beilou.sh
storage/xengine/tools/sysbench_benchmark/rds_my.cnf
```…
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Just a temporary issue to keep some interesting links before I figured out how to use consistent format with https://github.com/xephonhq/awesome-time-series-database
awesome list
- https://githu…
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Instead of doing a full refresh when any of the sources changes, we could based on what changes in the source compute how does (and if) this influence current results. There is some work for materiali…
mitar updated
2 years ago
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The experimental scripts were written with the C++ implementations in mind. Comparing across language implementations would also be interesting, but this means that:
1. The scripts need to have a c…
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- Do we really need to bind oids to tv_expr in the binder? Maybe resolving table and col name is enough?
- Plan to implement subquery (no aggregation) in WHERE clause (`OT - Outer Table`)
- `EXIST…
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## Problem statement
In traditional database systems, query planner and optimizer chooses the right indices and join order to ensure efficient execution of query. Opensearch does not have any such …