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[ADR] JMAP: Avoid ElasticSearch on critical reads #259

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[ADR] JMAP: Avoid ElasticSearch on critical reads #259

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[ADR] JMAP: Avoid ElasticSearch on critical reads
chibenwa Nov 11, 2020
a4ae094
fixup! [ADR] JMAP: Avoid ElasticSearch on critical reads
chibenwa Nov 12, 2020
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fixup! fixup! [ADR] JMAP: Avoid ElasticSearch on critical reads
chibenwa Nov 12, 2020
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fixup! fixup! fixup! [ADR] JMAP: Avoid ElasticSearch on critical reads
chibenwa Nov 13, 2020
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fixup! fixup! fixup! fixup! [ADR] JMAP: Avoid ElasticSearch on critic…
chibenwa Nov 13, 2020
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Update src/adr/0043-avoid-elasticsearch-on-critical-reads.md
chibenwa Nov 13, 2020
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Update src/adr/0043-avoid-elasticsearch-on-critical-reads.md
chibenwa Nov 13, 2020
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Update src/adr/0043-avoid-elasticsearch-on-critical-reads.md
chibenwa Nov 13, 2020
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Update src/adr/0043-avoid-elasticsearch-on-critical-reads.md
chibenwa Nov 13, 2020
892da60
fixup! Update src/adr/0043-avoid-elasticsearch-on-critical-reads.md
chibenwa Nov 13, 2020
3907a83
[ADR] JMAP: Mention InfiniSpan as a possible alternative
chibenwa Nov 16, 2020
a95aa3d
fixup! [ADR] JMAP: Avoid ElasticSearch on critical reads
chibenwa Nov 16, 2020
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fixup! [ADR] JMAP: Mention InfiniSpan as a possible alternative
chibenwa Nov 18, 2020
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fixup! [ADR] JMAP: Avoid ElasticSearch on critical reads
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chibenwa committed Nov 16, 2020
commit a95aa3dfefee5d54922cb34fd6d2bf74da321a18
9 changes: 6 additions & 3 deletions src/adr/0043-avoid-elasticsearch-on-critical-reads.md
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Expand Up @@ -44,9 +44,12 @@ A migration task will be provided for new adopters.

Administrators would be offered a configuration option to turn this view on and off as needed.

If enabled administrators would no longer need to ensure high availability and good performances for ElasticSearch.
We thus expect a decrease in overall ElasticSearch load, allowing savings compared to actual deployments.
Furthermore, we expect better performances by resolving such queries against Cassandra.
If enabled, given clients following well defined Email/query requests, administrators would no longer need
to ensure high availability and good performances for ElasticSearch to ensure availability of basic usages
(mailbox content listing).

Given these pre-requisites, we thus expect a decrease in overall ElasticSearch load, allowing savings compared
to actual deployments. Furthermore, we expect better performances by resolving such queries against Cassandra.

The expected added load to Cassandra is low, as the search is a simple Cassandra read. As we only store messageId,
Cassandra dataset size will only grow of a few percents if enabled.
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