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houseme 073628e8be feat(utils): make DNS resolver cache TTL configurable via RUSTFS_DNS_CACHE_TTL_SECS (#4604 )

* feat(utils): make DNS resolver cache TTL configurable via RUSTFS_DNS_CACHE_TTL_SECS

The resolver cache in crates/utils/src/net.rs had a hardcoded 300s TTL with
no way to tune or disable it. On orchestrated networks (Docker Swarm,
Kubernetes) a peer's DNS name is its only durable identity while its container
IP changes on reschedule, and the platform DNS always serves the current
answer. A fixed 300s application-side cache can keep a member dialing a dead IP
for up to five minutes after a peer restarts. Rust has no runtime DNS cache, so
on musl images this was the only cache in the stack and the only one that could
not be turned off.

Read the TTL from RUSTFS_DNS_CACHE_TTL_SECS (u64, default 300), matching the
existing RUSTFS_INTERNODE_* transport knobs. `0` disables caching entirely so
every get_host_ip consults the system resolver. The resolved value is logged
once at first use, removing an invisible cache from the triage surface. Change
is backward-compatible and confined to net.rs.

Also drop the two per-lookup info! logs on the resolve path: they would flood
the log when caching is disabled and added hot-path noise otherwise.

Co-Authored-By: heihutu <heihutu@gmail.com>

* fix(helm): derive mTLS secret names from chart fullname (#4601)

* fix(helm): mtls certificate for server and client hardcode

* fix hardcode issue in deployment

* update typo yaml file

---------

Co-authored-by: heihutu <heihutu@gmail.com>
Co-authored-by: majinghe <42570491+majinghe@users.noreply.github.com>

2026-07-09 03:26:06 +00:00

src

feat(utils): make DNS resolver cache TTL configurable via RUSTFS_DNS_CACHE_TTL_SECS (#4604 )

2026-07-09 03:26:06 +00:00

Cargo.toml

fix(security): add shared outbound egress guard (#3567 )

2026-06-18 15:30:09 +08:00

README.md

docs: fix some dead link (#1053 )

2025-12-08 11:23:24 +08:00

README.md

RustFS Utils - Utility Functions

Essential utility functions and common tools for RustFS distributed object storage

📖 Documentation · 🐛 Bug Reports · 💬 Discussions

📖 Overview

RustFS Utils provides essential utility functions and common tools for the RustFS distributed object storage system. For the complete RustFS experience, please visit the main RustFS repository.

✨ Features

Cross-platform system operations and monitoring
File system utilities with atomic operations
Multi-algorithm compression and encoding support
Cryptographic utilities and secure key generation
Network utilities and protocol helpers
Certificate handling and validation tools

📚 Documentation

For comprehensive documentation, examples, and usage guides, please visit the main RustFS repository.

📄 License

This project is licensed under the Apache License 2.0 - see the LICENSE file for details.