Apache Solr Alternatives
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MeiliSearch
Lightning Fast, Ultra Relevant, and Typo-Tolerant Search Engine
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duckdf
🦆 SQL for R dataframes, with ducks
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Scout
Get performance insights in less than 4 minutes. Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.
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ClickHouse
ClickHouse® is a free analytics DBMS for big data
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loki
Like Prometheus, but for logs.
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sonic
🦔 Fast, lightweight & schema-less search backend. An alternative to Elasticsearch that runs on a few MBs of RAM.
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Typesense
Fast, typo tolerant, fuzzy search engine for building delightful search experiences ⚡ 🔍
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ecto
A toolkit for data mapping and language integrated query.
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VictoriaMetrics
VictoriaMetrics: fast, cost-effective monitoring solution and time series database
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clickhouse-presentations
Presentations, meetups and talks about ClickHouse
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tidyquery
Query R data frames with SQL
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clickhousedb_fdw
PostgreSQL's Foreign Data Wrapper For ClickHouse
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cloki
Clickhouse Loki: Grafana Loki API + ClickHouse Backend in NodeJS [Moved to: https://github.com/lmangani/cLoki]
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cloki-go
Clickhouse Loki API in GO [Moved to: https://github.com/QXIP/cloki-go]
Posts
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ClickHouse as an alternative to Elasticsearch for log storage and analysis
I found Apache Luecene really easy to use, but haven't experienced it at scale:
Stats
apache/lucene-solr is an open source project licensed under Apache License 2.0 which is an OSI approved license.