So... I decided to run my own Solana RPC node. You know, for that sweet independence from rate-limited public endpoints, faster queries, and honestly? Just to say I did it. How hard could it be, right?

Spoiler: It's not that hard, but man, there are some gotchas that'll eat hours of your time if you don't know about them upfront. Let me save you some pain.

Why Even Bother?

Before we dive in, let's be real about why you'd want to do this. Public RPC endpoints are great until they're not. Rate limits. Throttling. That one critical transaction that times out because everyone and their dog is hammering the same endpoint during an NFT mint.

Running your own node gives you:

No rate limits (well, except your own hardware)
Lower latency if you're hosting close to your application
Full control over configurations
The ability to query historical data without restrictions

But here's the thing – it's not cheap and it's definitely not "set it and forget it." You need beefy hardware (we're talking 256GB+ RAM, fast NVMe drives, multiple TB of storage) and patience. Lots of patience.

The Docker Trap (Don't Do What I Did First)

Okay, so naturally, my first instinct was Docker. I mean, everything's better in Docker, right? Containerize all the things!

Wrong. Well, kind of wrong.

I spent hours getting a Docker setup working, and it technically ran, but here's what nobody tells you upfront: Docker is not recommended for Solana validators or RPC nodes. Like, officially not recommended. The performance overhead from containerization matters when you're processing hundreds of thousands of transactions per second.

The Agave documentation basically says "don't use Docker for production" and, to be honest, I should've read that more carefully before diving in. But we live and learn, I guess.

Going Native: Agave Validator

Alright, so native it is. Solana – actually, let me correct that – Agave (that's what we call it now since the Anza fork) needs to run directly on Ubuntu. No containers. Just you, Linux, and a whole lot of system tuning.

Here's the thing: the installation itself is actually pretty straightforward. You run one command:

sh -c "$(curl -sSfL https://release.anza.xyz/stable/install)"

Boom. Agave is installed. Add it to your PATH and you're technically ready to go.

But – and this is a big but – you're not really ready. Not even close.

The Snapshot Download Marathon

Here's where my expectations got... recalibrated. When you first start an RPC node, it needs to download a snapshot of the current blockchain state. This snapshot is about 100GB.

"100GB, okay, that'll take like an hour on my connection," I thought.

Three hours later, I was still watching progress logs tick by at 2.3%. The download speed fluctuates wildly (anywhere from 8MB/s to 18MB/s in my case), and you're at the mercy of whoever's serving you the snapshot.

Actually, wait – let me give you a pro tip here. You can download snapshots from different sources. I tried:

api.mainnet-beta.solana.com (slow, inconsistent)
Triton One (couldn't connect – DNS issues maybe?)
Latitude.sh (worked, but still took 2-3 hours)

Just... budget time for this. Like, a lot of time. And then after downloading, it needs to unpack. That's another 20-40 minutes. And then it needs to catch up to the network tip.

First-time setup? You're looking at 4-6 hours minimum. Maybe more.

Configuration Hell (Or: That One Character That Broke Everything)

So I got the validator running, logs are streaming, everything looks good. Except... blocks weren't being stored. Like, at all.

The RPC would sync, process blocks, show healthy metrics, but when I tried to query a block that happened 5 minutes ago? "Block not available."

I spent way too long debugging this. Here's what I learned:

1. The --limit-ledger-size flag is critical

If you just write --limit-ledger-size without a number, the validator will aggressively prune everything. Like, immediately. You need to specify: --limit-ledger-size 50000000 (that's 50 million shreds, gives you a few days of data).

2. You need --enable-extended-tx-metadata-storage

Without this flag, transaction history just... doesn't get stored properly. It's not enough to just have --enable-rpc-transaction-history. You need both.

3. Validator pubkeys matter

This one almost killed me. I had a typo in one of the --known-validator keys. One extra character. DE1bawNcRJB9rVm3buyMVfr4mFejNKTyJb4pnB2LLz9fF instead of DE1bawNcRJB9rVm3buyMVfr4mFejNKTyJb4pnB2LLz9f.

The validator wouldn't start. Error logs just said "String is the wrong size." Took me forever to spot that extra 'F' at the end. Solana pubkeys are exactly 44 characters. Not 43. Not 45. Exactly 44.

System Tuning: This Actually Matters

Here's something I didn't appreciate at first: system tuning isn't optional. It's not like "oh, nice to have for a bit more performance." No, your node will struggle or fail without it.

You need to configure:

UDP buffer sizes (Solana uses a LOT of UDP traffic)
File descriptor limits (it opens thousands of files)
Memory mapped files limits
TCP parameters
VM settings

I'm not gonna lie, I copy-pasted most of this from community guides. But it works. You dump it all in /etc/sysctl.d/21-agave-validator.conf and apply it. The difference is night and day.

The Blockstore Mystery

Okay, so even with proper config, I had this issue where rocksdb – that's where blocks are actually stored – just wasn't being created. The ledger directory would have accounts and snapshots but no rocksdb folder.

Turns out, if you started with bad configuration and then fixed it, sometimes you need to nuke everything and start fresh. Like, literally delete the ledger and accounts directories and re-download the snapshot.

It's not ideal, but it's the nuclear option that actually works. And honestly? After trying to debug for hours, sometimes you just need to start clean.

Monitoring: How Do You Even Know It's Working?

Once it's running, how do you know it's actually working? A few key things:

Check the slot:

solana slot

Compare it to mainnet:

curl -s https://api.mainnet-beta.solana.com -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1, "method":"getSlot"}'

If you're within 100 slots of mainnet, you're synced. If you're thousands behind... well, you're catching up. Or you're not catching up and need to restart. RPC nodes can take hours to catch up, and sometimes they just don't.

Check if rocksdb exists:

ls -lh /mnt/data/solana/ledger/rocksdb/

If that directory doesn't exist, your blocks aren't being stored. Period.

Try to query a block:

SLOT=$(solana slot)
TEST=$((SLOT - 300))
curl http://localhost:8899 -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","id":1,"method":"getBlock","params":['$TEST',{"encoding":"json"}]}'

If you get back transaction data instead of "Block not available," you're golden.

The Reality Check

Let me be honest here. Running your own Solana RPC node is kind of a pain. It's resource-intensive, it takes time to set up properly, and it requires ongoing maintenance.

But here's the thing – once it's running, once you've got it properly configured and synced, it's nice. No rate limits. Fast queries. Full control.

Is it worth it? Depends on your use case. If you're building something serious on Solana and public endpoints are becoming a bottleneck, yeah, absolutely. If you're just experimenting or doing occasional queries, probably not.

The hardware requirements alone (I'm running on a machine with 96 cores, 1.2TB RAM, and 14TB NVMe storage) put this out of reach for casual use. This is a professional-grade setup.

My Final Setup

After all that trial and error, here's what actually works for me:

Native Agave installation (no Docker)
Systemd service for management
Proper system tuning applied
50 million shred limit for ledger size
Extended transaction metadata enabled
Log rotation configured (logs fill up fast)
Known validator list properly configured

The validator runs as a systemd service, auto-starts on boot, and just... works. I can query blocks from the last few days, transaction history works, and it keeps up with the network.

Would I Do It Again?

Yeah, I think so. But I'd do it differently. I'd skip the Docker phase entirely. I'd budget more time for the initial sync. I'd pay more attention to the known-validator keys (seriously, double-check those).

And honestly? I'd probably start with a smaller setup first, maybe on testnet, just to understand the process before committing hardware to mainnet.

Running a Solana RPC node isn't something you do on a whim. But if you need it, if you're building something that requires it, the control and performance you get make the hassle worth it.

Just... maybe grab a coffee. Or three. You're gonna be watching progress bars for a while.

Complete Technical Setup Guide

Alright, enough story time. Here's the step-by-step guide with every command you need.

Prerequisites

Ubuntu 22.04 or 24.04
512GB+ RAM (512GGB+ recommended)
4TB+ NVMe SSD storage
1Gbps+ network connection
Root or sudo access

1. System Preparation

Install Dependencies

sudo apt update && sudo apt upgrade -y
sudo apt install -y build-essential pkg-config libssl-dev libudev-dev zstd curl git bc

System Tuning (CRITICAL)

# Create sysctl configuration
sudo tee /etc/sysctl.d/21-agave-validator.conf > /dev/null << 'EOF'
# TCP tuning
net.ipv4.tcp_rmem=10240 87380 12582912
net.ipv4.tcp_wmem=10240 87380 12582912
net.ipv4.tcp_congestion_control=westwood
net.ipv4.tcp_fastopen=3
net.ipv4.tcp_timestamps=0
net.ipv4.tcp_sack=1
net.ipv4.tcp_low_latency=1

# UDP buffers (critical for Solana)
net.core.rmem_max=134217728
net.core.rmem_default=134217728
net.core.wmem_max=134217728
net.core.wmem_default=134217728

# Kernel tuning
kernel.timer_migration=0
kernel.hung_task_timeout_secs=30
kernel.pid_max=49152

# VM tuning
vm.swappiness=30
vm.max_map_count=1000000
vm.stat_interval=10
vm.dirty_ratio=40
vm.dirty_background_ratio=10
vm.min_free_kbytes=3000000
fs.nr_open=1000000
EOF

# Apply sysctl settings
sudo sysctl -p /etc/sysctl.d/21-agave-validator.conf

File Descriptor Limits

# Set file descriptor limits
sudo tee /etc/security/limits.d/90-agave-nofiles.conf > /dev/null << 'EOF'
* - nofile 1000000
* - memlock 2000000
EOF

# Note: You must logout and login again for these to take effect

Setup Firewall (Optional)

sudo apt install ufw -y
sudo ufw allow 22/tcp
sudo ufw allow 8000:8020/udp
sudo ufw allow 8000:8020/tcp
sudo ufw allow 8899/tcp
sudo ufw enable

2. Install Agave

# Install Agave CLI and validator
sh -c "$(curl -sSfL https://release.anza.xyz/stable/install)"

# Add to PATH
export PATH="$HOME/.local/share/solana/install/active_release/bin:$PATH"

# Make it permanent
echo 'export PATH="$HOME/.local/share/solana/install/active_release/bin:$PATH"' >> ~/.bashrc

# Verify installation
agave-validator --version
solana --version

3. Create Directories

# Create data directories
sudo mkdir -p /mnt/data/solana/ledger
sudo mkdir -p /mnt/data/solana/accounts
mkdir -p ~/log

# Set ownership (replace with your username if not root)
sudo chown -R $USER:$USER /mnt/data/solana/

4. Generate Keypairs

# Generate identity keypair
solana-keygen new -o ~/validator-keypair.json --no-bip39-passphrase

# Set as default keypair
solana config set --keypair ~/validator-keypair.json

# Generate vote account keypair
solana-keygen new -o ~/vote-account-keypair.json --no-bip39-passphrase

# Check your validator identity
solana-keygen pubkey ~/validator-keypair.json

5. Download Snapshots (Optional but Recommended)

Option A: Let Validator Download Automatically

Skip this section - the validator will download snapshots on first start.

Option B: Pre-download Snapshots (Faster)

cd /tmp

# Download from Latitude.sh
wget -c https://snapshot.latitude.sh/mainnet-beta/snapshot.tar.zst
wget -c https://snapshot.latitude.sh/mainnet-beta/incremental-snapshot.tar.zst

# Extract to ledger directory
echo "Extracting snapshots... This takes 20-40 minutes"
zstd -d snapshot.tar.zst --stdout | tar -xf - -C /mnt/data/solana/ledger/
zstd -d incremental-snapshot.tar.zst --stdout | tar -xf - -C /mnt/data/solana/ledger/

# Clean up
rm -f *.tar.zst

6. Create Validator Startup Script

cat > ~/start-validator.sh << 'EOF'
#!/bin/bash
PATH=$HOME/.local/share/solana/install/active_release/bin:/usr/sbin:/usr/bin:/sbin:/bin
export RUST_BACKTRACE=1
export RUST_LOG=solana=info

exec agave-validator \
  --identity ~/validator-keypair.json \
  --entrypoint entrypoint.mainnet-beta.solana.com:8001 \
  --entrypoint entrypoint2.mainnet-beta.solana.com:8001 \
  --entrypoint entrypoint3.mainnet-beta.solana.com:8001 \
  --rpc-port 8899 \
  --dynamic-port-range 8000-8020 \
  --gossip-port 8001 \
  --no-voting \
  --private-rpc \
  --rpc-bind-address 0.0.0.0 \
  --enable-rpc-transaction-history \
  --enable-extended-tx-metadata-storage \
  --wal-recovery-mode skip_any_corrupted_record \
  --vote-account ~/vote-account-keypair.json \
  --log ~/log/agave-validator.log \
  --accounts /mnt/data/solana/accounts \
  --ledger /mnt/data/solana/ledger \
  --limit-ledger-size 50000000 \
  --full-rpc-api \
  --known-validator 7Np41oeYqPefeNQEHSv1UDhYrehxin3NStELsSKCT4K2 \
  --known-validator GdnSyH3YtwcxFvQrVVJMm1JhTS4QVX7MFsX56uJLUfiZ \
  --known-validator DE1bawNcRJB9rVm3buyMVfr4mFejNKTyJb4pnB2LLz9f \
  --known-validator CakcnaRDHka2gXyfbEd2d3xsvkJkqsLw2akB3zsN1D2S \
  --expected-genesis-hash 5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpKuc147dw2N9d
EOF

# Make executable
chmod +x ~/start-validator.sh

Key Configuration Flags Explained:

--limit-ledger-size 50000000: Keep ~50M shreds (2-3 days of data)
--enable-rpc-transaction-history: Enable transaction history queries
--enable-extended-tx-metadata-storage: Store full transaction metadata
--private-rpc: Don't advertise RPC to the network
--no-voting: Run as RPC only (not a validator)
--full-rpc-api: Enable all RPC methods

7. Setup Systemd Service

# Get current user info
USER_NAME=$(whoami)
USER_HOME=$(eval echo ~$USER_NAME)

# Create systemd service
sudo tee /etc/systemd/system/agave-validator.service > /dev/null << EOF
[Unit]
Description=Agave Validator
After=network.target
StartLimitIntervalSec=0

[Service]
Type=simple
Restart=on-failure
RestartSec=1
LimitNOFILE=1000000
LogRateLimitIntervalSec=0
User=$USER_NAME
Environment="PATH=/bin:/usr/bin:$USER_HOME/.local/share/solana/install/active_release/bin"
ExecStart=$USER_HOME/start-validator.sh

[Install]
WantedBy=multi-user.target
EOF

# Setup log rotation
sudo tee /etc/logrotate.d/agave > /dev/null << EOF
$USER_HOME/log/agave-validator.log {
  su $USER_NAME $USER_NAME
  daily
  rotate 3
  missingok
  postrotate
    systemctl kill -s USR1 agave-validator.service
  endscript
}
EOF

# Reload systemd
sudo systemctl daemon-reload
sudo systemctl restart logrotate

8. Start the Validator

# Enable auto-start on boot
sudo systemctl enable agave-validator.service

# Start the validator
sudo systemctl start agave-validator.service

# Check status
sudo systemctl status agave-validator.service

# Watch logs
tail -f ~/log/agave-validator.log

9. Monitoring Commands

Check Validator Status

# Service status
sudo systemctl status agave-validator.service

# Is it running?
sudo systemctl is-active agave-validator.service

# Is auto-start enabled?
sudo systemctl is-enabled agave-validator.service

View Logs

# Live log tail
tail -f ~/log/agave-validator.log

# Last 100 lines
tail -100 ~/log/agave-validator.log

# Systemd journal
sudo journalctl -u agave-validator -f --no-pager

# Search for errors
grep -i error ~/log/agave-validator.log | tail -20

Check Sync Status

# Get current slot
solana slot

# Get mainnet slot
curl -s https://api.mainnet-beta.solana.com -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1, "method":"getSlot"}'

# Check catchup status (after unpacking completes)
solana catchup --our-localhost

# Health check
curl http://localhost:8899 -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1, "method":"getHealth"}'

Check Block Storage

# Verify rocksdb directory exists (this is critical!)
ls -lh /mnt/data/solana/ledger/rocksdb/

# Check ledger size
du -sh /mnt/data/solana/ledger/*

# Test block retrieval
SLOT=$(solana slot)
TEST=$((SLOT - 300))

echo "Testing block from slot: $TEST"

curl http://localhost:8899 -X POST \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "getBlock",
    "params": [
      '$TEST',
      {
        "encoding": "json",
        "transactionDetails": "signatures",
        "maxSupportedTransactionVersion": 0
      }
    ]
  }' | head -50

Monitor Resources

# Disk usage
df -h /mnt/data/

# Watch ledger grow
watch -n 10 'du -sh /mnt/data/solana/ledger/*'

# Memory usage
free -h

# CPU usage
top -b -n 1 | head -20

# Process info
ps aux | grep agave-validator

10. Complete Monitoring Script

cat > ~/monitor-solana.sh << 'EOF'
#!/bin/bash

echo "═══════════════════════════════════════════════════════"
echo "     SOLANA RPC NODE MONITORING DASHBOARD"
echo "═══════════════════════════════════════════════════════"
echo "Time: $(date)"
echo ""

# Colors
GREEN='\033[0;32m'
RED='\033[0;31m'
YELLOW='\033[1;33m'
NC='\033[0m'

# 1. SYNC STATUS
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "1. SYNC STATUS"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"

YOUR_SLOT=$(solana slot 2>/dev/null)
MAINNET_SLOT=$(curl -s https://api.mainnet-beta.solana.com -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1, "method":"getSlot"}' | grep -oP '(?<="result":)\d+')
DIFF=$((MAINNET_SLOT - YOUR_SLOT))

echo "Your Node Slot:     $YOUR_SLOT"
echo "Mainnet Slot:       $MAINNET_SLOT"
echo "Difference:         $DIFF slots"

if [ $DIFF -lt 100 ]; then
    echo -e "Status:             ${GREEN}✅ FULLY SYNCED${NC}"
else
    echo -e "Status:             ${YELLOW}⚠️  SYNCING ($DIFF slots behind)${NC}"
fi

# 2. HEALTH CHECK
echo ""
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "2. RPC HEALTH"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"

HEALTH=$(curl -s http://localhost:8899 -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1, "method":"getHealth"}' | grep -oP '(?<="result":")[^"]*')

if [ "$HEALTH" = "ok" ]; then
    echo -e "RPC Status:         ${GREEN}✅ $HEALTH${NC}"
else
    echo -e "RPC Status:         ${RED}❌ $HEALTH${NC}"
fi

# 3. BLOCK STORAGE TEST
echo ""
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "3. BLOCK STORAGE TEST"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"

if [ -d "/mnt/data/solana/ledger/rocksdb" ]; then
    echo -e "RocksDB:            ${GREEN}✅ EXISTS${NC}"

    TEST_SLOT=$((YOUR_SLOT - 300))
    BLOCK_RESULT=$(curl -s http://localhost:8899 -X POST \
      -H "Content-Type: application/json" \
      -d '{
        "jsonrpc": "2.0",
        "id": 1,
        "method": "getBlock",
        "params": ['$TEST_SLOT', {"encoding": "json", "transactionDetails": "signatures"}]
      }')

    if echo "$BLOCK_RESULT" | grep -q '"result":{'; then
        echo -e "Block Retrieval:    ${GREEN}✅ WORKING${NC}"
    else
        echo -e "Block Retrieval:    ${RED}❌ FAILED${NC}"
    fi
else
    echo -e "RocksDB:            ${RED}❌ NOT FOUND${NC}"
fi

# 4. DISK USAGE
echo ""
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
echo "4. DISK USAGE"
echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"

df -h /mnt/data/ | tail -1

echo ""
echo "Ledger Size:        $(du -sh /mnt/data/solana/ledger 2>/dev/null | cut -f1)"
echo "Accounts Size:      $(du -sh /mnt/data/solana/accounts 2>/dev/null | cut -f1)"

echo ""
echo "═══════════════════════════════════════════════════════"
EOF

chmod +x ~/monitor-solana.sh

# Run it
~/monitor-solana.sh

11. Service Management

Start/Stop/Restart

# Start
sudo systemctl start agave-validator.service

# Stop
sudo systemctl stop agave-validator.service

# Restart
sudo systemctl restart agave-validator.service

# Enable auto-start
sudo systemctl enable agave-validator.service

# Disable auto-start
sudo systemctl disable agave-validator.service

Check Logs for Errors

# Recent errors
sudo journalctl -u agave-validator -p err -n 50

# Last 100 lines
sudo journalctl -u agave-validator -n 100 --no-pager

# Follow logs
sudo journalctl -u agave-validator -f

12. Troubleshooting

Validator Won't Start

# Check systemd status
sudo systemctl status agave-validator.service

# Check for errors in log
tail -100 ~/log/agave-validator.log

# Try running manually to see error
bash -x ~/start-validator.sh

No Block Storage (rocksdb missing)

# Check if directory exists
ls -lh /mnt/data/solana/ledger/rocksdb/

# If missing, might need to restart from scratch
sudo systemctl stop agave-validator.service
sudo rm -rf /mnt/data/solana/ledger/*
sudo rm -rf /mnt/data/solana/accounts/*
sudo systemctl start agave-validator.service

Validator Not Catching Up

# Check catchup status
solana catchup --our-localhost

# If stuck, restart may help
sudo systemctl restart agave-validator.service

# Watch logs for progress
tail -f ~/log/agave-validator.log | grep -E "downloaded|slot|catchup"

High Memory Usage

# Check memory
free -h

# Check validator process
top -p $(pgrep agave-validator)

# If OOM issues, may need more RAM or reduce --accounts-index-memory-limit-mb

13. Updating Agave

# Check current version
agave-validator --version

# Update to latest
agave-install update

# Restart validator
sudo systemctl restart agave-validator.service

14. Nuclear Reset (Start Fresh)

If everything is broken and you want to start over:

# Stop service
sudo systemctl stop agave-validator.service

# Delete all data
sudo rm -rf /mnt/data/solana/ledger/*
sudo rm -rf /mnt/data/solana/accounts/*
rm -rf ~/log/*

# Optionally re-download snapshots
# (or let validator download automatically)

# Start service
sudo systemctl start agave-validator.service

# Monitor
tail -f ~/log/agave-validator.log

15. Testing Your RPC

Basic Tests

# Health check
curl http://localhost:8899 -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1, "method":"getHealth"}'

# Get version
curl http://localhost:8899 -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1, "method":"getVersion"}'

# Get slot
curl http://localhost:8899 -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1, "method":"getSlot"}'

# Get recent blockhash
curl http://localhost:8899 -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1, "method":"getLatestBlockhash"}'

Test Block Retrieval

# Get current slot
SLOT=$(solana slot)

# Test recent block
curl http://localhost:8899 -X POST \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc":"2.0",
    "id":1,
    "method":"getBlock",
    "params":['$((SLOT-100))', {"encoding":"json","maxSupportedTransactionVersion":0}]
  }'

Test Transaction History

# Get signatures for an address
curl http://localhost:8899 -X POST \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc":"2.0",
    "id":1,
    "method":"getSignaturesForAddress",
    "params":["vines1vzrYbzLMRdu58ou5XTby4qAqVRLmqo36NKPTg", {"limit":10}]
  }'

16. Expected Timeline

First-Time Setup:

Installation: 10 minutes
Snapshot download: 2-3 hours
Snapshot unpacking: 20-40 minutes
Catching up to network: 30-60 minutes
Total: 4-6 hours

After First Sync:

Restarts: 5-15 minutes to catch up
Updates: 10-30 minutes

Ongoing:

Disk growth: ~200-500 GB per week (depends on --limit-ledger-size)
RAM usage: 50-200 GB
CPU: Moderate (20-40% on 96-core system)

17. Key Indicators of Success

Working Node Checklist:

Service is active and running
/mnt/data/solana/ledger/rocksdb/ directory exists
solana slot returns a slot within 100 of mainnet
getBlock queries return transaction data
getHealth returns "ok"
Logs show no continuous errors

18. Common Mistakes to Avoid

Missing the number on --limit-ledger-size → Blocks immediately pruned
Not including --enable-extended-tx-metadata-storage → No transaction history
Typo in known-validator keys → Validator won't start (exactly 44 chars!)
Running in Docker → Performance issues
Not applying system tuning → Node struggles or fails
Insufficient disk space → Node fills disk and crashes
Not setting up log rotation → Logs fill OS disk

Support Resources

Agave Documentation: https://docs.anza.xyz
Solana Discord: https://discord.gg/solana
Validator Discord: Look for #validator-support channels
GitHub: https://github.com/anza-xyz/agave

Final Notes

This setup is for mainnet RPC node (non-voting)
For testnet, change entrypoints and genesis hash
For devnet, use devnet entrypoints
Minimum hardware: 256GB RAM, 2TB NVMe, fast CPU
Recommended: 512GB+ RAM, 4TB+ NVMe, 24+ cores

Good luck! The first sync takes patience, but once it's running, it's solid.

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