Files
once-campfire/app/views/messages/boosts/_boosts.html.erb
T
Marcello Costagliola c761763c8c Cache boosts with their message instead of one by one
Every boost had its own fragment, nested inside the message fragment that
already holds it. With a cold cache, a read and a write per boost plus a
read_multi and a write_multi per message: a room page of 40 messages with
120 boosts takes ~410 ms instead of ~290 ms. Redis runs without persistence
(config/redis.conf), so every page is cold after a restart.

A boost touches its message, so adding or removing one rewrites the message
fragment anyway. The inner fragments only paid off when a message with many
boosts was drawn again, and there they hid a lookup per booster. The boosters
are now loaded with the boosts, one query per message.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0142qgjggdJ2KDdGk7RF9Xm9
2026-10-05 16:40:49 +02:00

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<%= turbo_frame_tag message, :boosting do %>
<div class="boosts flex flex-wrap align-center gap full-width" style="--column-gap: 0.4ch; --row-gap: 0"
data-controller="turbo-streaming" data-action="turbo:submit-start->turbo-streaming#unsubscribe">
<div class="flex-inline flex-wrap gap" id="<%= dom_id(message, :boosts) %>" data-turbo-streaming-target="container">
<%= render partial: "messages/boosts/boost", collection: message.boosts.ordered.includes(:booster) %>
</div>
<%= turbo_frame_tag message, :new_boost do %>
<div class="flex-inline message__boost-inline" data-controller="soft-keyboard">
<%= link_to new_message_boost_path(message), class: "boost__action txt-small btn", data: { action: "soft-keyboard#open" } do %>
<%= image_tag "boost.svg", size: 20, aria: { hidden: "true" } %>
<span class="for-screen-reader">Add a boost</span>
<% end %>
</div>
<% end %>
</div>
<% end %>