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docs: Clarify disk space requirements.

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Saying "10GB" often causes users to set up a VM with 10GB _total_
space, when the intended reading is that Zulip itself needs 10GB --
and the OS takes up a non-trivial amount of that already.
This commit is contained in:
Alex Vandiver
2025-08-12 00:31:55 -04:00
committed by Tim Abbott
parent 9d05c80e63
commit b8b6b1cfd0
1 changed files with 6 additions and 5 deletions
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11
docs/production/requirements.md
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@@ -10,10 +10,11 @@ To run a Zulip server, you will need:
- A supported CPU architecture:
- x86-64
- aarch64
- At least 2 GB RAM, and 10 GB disk space
- At least 2 GB RAM
- If you have < 5 GB RAM, we require some swap space; we recommend configuring
2 GB of swap
- If you expect 100+ users: 4 GB RAM, and 2 CPUs
- 10GB free space (i.e. approximately a 25GB total disk, given OS requirements)
- A hostname in DNS
- Credentials for sending email
@@ -68,10 +69,10 @@ sudo apt update
style instances for organizations with hundreds of users (active or
no).
- Disk space: You'll need at least 10 GB of free disk space for a
server with dozens of users. We recommend using an SSD and avoiding
cloud storage backends that limit the IOPS per second, since the
disk is primarily used for the Zulip database.
- Disk space: You'll need at least 10 GB of dedicated free disk space
for a server with dozens of users. We recommend using an SSD and
avoiding cloud storage backends that limit the IOPS per second,
since the disk is primarily used for the Zulip database.
See our [documentation on scalability](#scalability) below for advice
on hardware requirements for larger organizations.