docs: port Help Center updates to release/3.4#20305
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Port Help Center updates from main (merged via PR #20267) to release/3.4.
… content Port Help Center updates from main (merged via PR #20267) to release/3.4.
…nter content Port Help Center updates from main (merged via PR #20267) to release/3.4.
Port Help Center updates from main (merged via PR #20267) to release/3.4.
Port Help Center updates from main (merged via PR #20267) to release/3.4.
AskAlexSharov
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Apr 3, 2026
sudeepdino008
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Apr 3, 2026
## Summary Ports the full Help Center content to `release/3.4`, mirroring what was merged to `main` via PR #20267. Changes per file: - **best-practices.md**: added "Harden Public RPC Endpoints" row + Section 6 (Advanced Performance Tricks with vmtouch, ERIGON_SNAPSHOT_MADV_RND, db.pagesize) - **common-errors-and-solutions.md**: added errors #8 (Docker UID/GID mismatch) and #9 (libsilkworm_capi.so missing) - **frequently-asked-questions-faqs.md**: added FAQ #21 (historical block queries / pruning) and #22 (ARM/RPi feasibility) - **known-issues.md**: improved vmmap/pmap section (macOS vs Linux), removed DOCKER_BUILDKIT env vars, added `--db.pagesize` section (default 16KB) - **troubleshooting.md**: added Diagnostics section (SIGUSR1 goroutine dump, pprof CPU/heap capture) and Hetzner firewall note All content is identical to `main` post-#20267, with yperbasis review fixes already applied (broken erigon-lib link removed, pprof addr/port flags documented). ## Test plan - [ ] Verify all 5 files render correctly in GitBook preview - [ ] No broken internal links - [ ] Content consistent with release/3.3 (PR #20263) and main 🤖 Generated with [Claude Code](https://claude.com/claude-code)
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Summary
Ports the full Help Center content to
release/3.4, mirroring what was merged tomainvia PR #20267.Changes per file:
--db.pagesizesection (default 16KB)All content is identical to
mainpost-#20267, with yperbasis review fixes already applied (broken erigon-lib link removed, pprof addr/port flags documented).Test plan
🤖 Generated with Claude Code