Upgrade Procedures | Geode Database

<h2 id="upgrade-procedures" class="position-relative d-flex align-items-center group"> Upgrade Procedures <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="upgrade-procedures" aria-haspopup="dialog" aria-label="Share link: Upgrade Procedures"> Share link </button> </h2><div id="headingShareModal" class="heading-share-modal" role="dialog" aria-modal="true" aria-labelledby="headingShareTitle" hidden> <div class="hsm-dialog" role="document"> <div class="hsm-header"> <h2 id="headingShareTitle" class="h6 mb-0 fw-bold">Share this section</h2> <button type="button" class="hsm-close" aria-label="Close"> </button> </div> <div class="hsm-body"> <label for="headingShareInput" class="form-label small text-muted mb-1 text-uppercase fw-bold" style="font-size: 0.7rem; letter-spacing: 0.5px;">Permalink</label> <div class="input-group mb-4 hsm-url-group"> <input id="headingShareInput" type="text" class="form-control font-monospace" readonly aria-readonly="true" style="font-size: 0.85rem;" /> <button class="btn btn-primary hsm-copy" type="button" aria-label="Copy" title="Copy"> </button> </div> <div class="small fw-bold mb-2 text-muted text-uppercase" style="font-size: 0.7rem; 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} if(copyBtn && (e.target===copyBtn || (e.target.closest && e.target.closest('.hsm-copy')))) { e.preventDefault(); copyCurrent(); } }); document.addEventListener('keydown', e=>{ if(e.key==='Escape' && isOpen()) closeModal(); }); function trapFocus(){ if(trapBound) return; trapBound=true; modal.addEventListener('keydown', f=>{ if(f.key==='Tab' && isOpen()){ const focusable=[...modal.querySelectorAll('a[href],button,input,textarea,select,[tabindex]:not([tabindex="-1"])')].filter(el=>!el.hasAttribute('disabled')); if(!focusable.length) return; const first=focusable[0]; const last=focusable[focusable.length-1]; if(f.shiftKey && document.activeElement===first){ f.preventDefault(); last.focus(); } else if(!f.shiftKey && document.activeElement===last){ f.preventDefault(); first.focus(); } } }); } if(closeBtn) closeBtn.addEventListener('click', e=>{ e.preventDefault(); closeModal(); }); })(); </script>This guide covers safe upgrade procedures for Geode, including pre-upgrade planning, various upgrade strategies, and rollback procedures. <blockquote> Release-line note (2026-03-30) <ul> <li>Current stable release: <code>v0.2.18</code></li> <li><code>main</code> already contains post-<code>v0.2.18</code> storage persistence and pager-encryption fixes</li> <li>Upgrades from older <code>v0.1.x</code> builds must account for the March 2026 storage transition: monolithic persistence -> per-graph storage -> graph-storage-backed persistence</li> </ul> </blockquote> <h3 id="overview" class="position-relative d-flex align-items-center group"> Overview <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="overview" aria-haspopup="dialog" aria-label="Share link: Overview"> Share link </button> </h3>Geode supports multiple upgrade strategies: <table> <thead> <tr> <th>Strategy</th> <th>Downtime</th> <th>Complexity</th> <th>Use Case</th> </tr> </thead> <tbody> <tr> <td>In-place</td> <td>Minutes</td> <td>Low</td> <td>Development, small production</td> </tr> <tr> <td>Rolling</td> <td>Zero</td> <td>Medium</td> <td>Distributed clusters</td> </tr> <tr> <td>Blue-green</td> <td>Zero</td> <td>High</td> <td>Critical production</td> </tr> <tr> <td>Canary</td> <td>Zero</td> <td>High</td> <td>Large-scale deployments</td> </tr> </tbody> </table> <h3 id="pre-upgrade-planning" class="position-relative d-flex align-items-center group"> Pre-Upgrade Planning <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="pre-upgrade-planning" aria-haspopup="dialog" aria-label="Share link: Pre-Upgrade Planning"> Share link </button> </h3> <h4 id="compatibility-matrix" class="position-relative d-flex align-items-center group"> Compatibility Matrix <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="compatibility-matrix" aria-haspopup="dialog" aria-label="Share link: Compatibility Matrix"> Share link </button> </h4><table> <thead> <tr> <th>From Version</th> <th>To Version</th> <th>Upgrade Path</th> <th>Notes</th> </tr> </thead> <tbody> <tr> <td>0.2.14</td> <td>0.2.18</td> <td>Direct</td> <td>Stable patch upgrade</td> </tr> <tr> <td>0.2.0-0.2.13</td> <td>0.2.18</td> <td>Direct</td> <td>Review DSN graph binding and auth/TLS flags</td> </tr> <tr> <td>0.1.28-0.1.39</td> <td>0.2.18</td> <td>Direct with backup validation</td> <td>Per-graph storage already present; validate restart and graph binding behavior</td> </tr> <tr> <td>0.1.3-0.1.27</td> <td>0.2.18</td> <td>Staged / restore-tested</td> <td>Storage layout changed significantly across March 2026</td> </tr> </tbody> </table> <h4 id="pre-upgrade-checklist" class="position-relative d-flex align-items-center group"> Pre-Upgrade Checklist <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="pre-upgrade-checklist" aria-haspopup="dialog" aria-label="Share link: Pre-Upgrade Checklist"> Share link </button> </h4><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"># 1. Check current version geode --version # 2. Review release notes for target version # https://geodedb.com/docs/releases/ # https://geodedb.com/docs/reference/changelog/ # 3. Check system requirements # - Zig version compatibility # - OS version compatibility # - Hardware requirements # 4. Verify backup status geode backup --dest s3://bucket/backups --list # 5. Create pre-upgrade backup geode backup \ --dest s3://bucket/backups \ --mode full \ --label "pre-upgrade-$(date +%Y%m%d)" # 6. Test upgrade in staging # - Deploy to staging environment first # - Run full test suite # - Verify application compatibility # - Verify graph counts and restart persistence after first boot # - Verify DSN graph binding if clients use /graph in connection strings # 7. Document current configuration cp /etc/geode/geode.yaml /etc/geode/geode.yaml.backup geode config show > config-dump.yaml # 8. Plan maintenance window (if required) # - Notify stakeholders # - Schedule window # - Prepare rollback plan </code></pre></div> <h4 id="breaking-changes-review" class="position-relative d-flex align-items-center group"> Breaking Changes Review <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="breaking-changes-review" aria-haspopup="dialog" aria-label="Share link: Breaking Changes Review"> Share link </button> </h4>Review breaking changes for each version: <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-yaml" data-lang="yaml"># v0.1.x -> v0.1.x Breaking Changes authentication: # Was: optional (auth_enabled: false by default) # Now: required (auth_enabled: true by default) action: Configure authentication or explicitly disable tls: # Was: auto_generate: true # Now: auto_generate: false (secure by default) action: Provide valid TLS certificates hardcoded_credentials: # Was: Default admin/admin credentials # Now: Removed, must use environment variables action: Set GEODE_ADMIN_USERNAME and GEODE_DEFAULT_PASSWORD </code></pre></div> <h3 id="in-place-upgrade" class="position-relative d-flex align-items-center group"> In-Place Upgrade <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="in-place-upgrade" aria-haspopup="dialog" aria-label="Share link: In-Place Upgrade"> Share link </button> </h3>For single-node deployments or development environments. <h4 id="procedure" class="position-relative d-flex align-items-center group"> Procedure <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="procedure" aria-haspopup="dialog" aria-label="Share link: Procedure"> Share link </button> </h4><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash">#!/bin/bash # in-place-upgrade.sh set -euo pipefail NEW_VERSION="0.2.18" BACKUP_DIR="/var/lib/geode/upgrade-backup-$(date +%Y%m%d)" echo "=== In-Place Upgrade to $NEW_VERSION ===" # 1. Pre-flight checks echo "Running pre-flight checks..." geode admin status geode backup --dest s3://bucket/backups --list | head -5 # 2. Create backup echo "Creating pre-upgrade backup..." geode backup \ --dest s3://bucket/backups \ --mode full \ --label "pre-upgrade-$NEW_VERSION" # 3. Stop server gracefully echo "Stopping Geode server..." sudo systemctl stop geode # Wait for clean shutdown sleep 10 # 4. Backup binaries and config echo "Backing up current installation..." mkdir -p "$BACKUP_DIR" cp /usr/local/bin/geode "$BACKUP_DIR/" cp /etc/geode/geode.yaml "$BACKUP_DIR/" # 5. Install new version echo "Installing new version..." # Option A: From release binary curl -L "https://github.com/codeprosorg/geode/releases/download/v$NEW_VERSION/geode-linux-amd64" \ -o /usr/local/bin/geode chmod +x /usr/local/bin/geode # Option B: Build from source # git clone --branch "v$NEW_VERSION" https://github.com/codeprosorg/geode /tmp/geode # cd /tmp/geode && make release # cp ./zig-out/bin/geode /usr/local/bin/geode # 6. Verify new version echo "Verifying installation..." geode --version # 7. Update configuration (if needed) echo "Updating configuration..." # Apply any required config changes for new version # For v0.1.x -> v0.2.x, validate storage and DSN behavior in staging first # 8. Start server echo "Starting Geode server..." sudo systemctl start geode # 9. Wait for startup echo "Waiting for server to start..." sleep 10 # 10. Verify health echo "Verifying server health..." geode admin status geode query "RETURN 1 AS health_check" # 11. Run smoke tests echo "Running smoke tests..." # Add application-specific tests here echo "=== Upgrade Complete ===" </code></pre></div> <h4 id="rollback-procedure" class="position-relative d-flex align-items-center group"> Rollback Procedure <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="rollback-procedure" aria-haspopup="dialog" aria-label="Share link: Rollback Procedure"> Share link </button> </h4><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash">#!/bin/bash # in-place-rollback.sh BACKUP_DIR="/var/lib/geode/upgrade-backup-20260128" # Adjust date echo "=== Rolling Back Upgrade ===" # 1. Stop server sudo systemctl stop geode # 2. Restore binary cp "$BACKUP_DIR/geode" /usr/local/bin/geode # 3. Restore configuration cp "$BACKUP_DIR/geode.yaml" /etc/geode/geode.yaml # 4. Start server sudo systemctl start geode # 5. Verify geode --version geode admin status echo "=== Rollback Complete ===" </code></pre></div> <h3 id="rolling-upgrade" class="position-relative d-flex align-items-center group"> Rolling Upgrade <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="rolling-upgrade" aria-haspopup="dialog" aria-label="Share link: Rolling Upgrade"> Share link </button> </h3>For distributed clusters with zero downtime. <h4 id="prerequisites" class="position-relative d-flex align-items-center group"> Prerequisites <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="prerequisites" aria-haspopup="dialog" aria-label="Share link: Prerequisites"> Share link </button> </h4><ul> <li>At least 3 nodes in cluster</li> <li>Replication configured</li> <li>Health checks enabled</li> </ul> <h4 id="procedure-1" class="position-relative d-flex align-items-center group"> Procedure <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="procedure-1" aria-haspopup="dialog" aria-label="Share link: Procedure"> Share link </button> </h4><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash">#!/bin/bash # rolling-upgrade.sh set -euo pipefail NEW_VERSION="0.2.18" NODES=("geode-node1" "geode-node2" "geode-node3") GEODE_BIN_URL="https://releases.geodedb.com/v$NEW_VERSION/geode-linux-amd64" echo "=== Rolling Upgrade to $NEW_VERSION ===" echo "Nodes: ${NODES[*]}" # Download new binary once echo "Downloading new binary..." curl -L "$GEODE_BIN_URL" -o /tmp/geode-$NEW_VERSION chmod +x /tmp/geode-$NEW_VERSION # Upgrade each node for NODE in "${NODES[@]}"; do echo "" echo "=== Upgrading $NODE ===" # 1. Check node is healthy echo "Checking node health..." ssh "$NODE" "geode admin status" # 2. Check cluster has quorum without this node HEALTHY_NODES=$(ssh "${NODES[0]}" "geode admin cluster-status --format json" | \ jq '[.nodes[] | select(.status == "healthy")] | length') if [ "$HEALTHY_NODES" -lt 2 ]; then echo "ERROR: Not enough healthy nodes. Aborting." exit 1 fi # 3. Drain connections from node echo "Draining connections..." ssh "$NODE" "geode admin drain --timeout 60s" # 4. Stop node echo "Stopping node..." ssh "$NODE" "sudo systemctl stop geode" # 5. Copy new binary echo "Installing new version..." scp /tmp/geode-$NEW_VERSION "$NODE:/tmp/geode" ssh "$NODE" "sudo cp /tmp/geode /usr/local/bin/geode" # 6. Update configuration if needed # ssh "$NODE" "geode config migrate --from 0.17.x --to 0.18.x" # 7. Start node echo "Starting node..." ssh "$NODE" "sudo systemctl start geode" # 8. Wait for node to rejoin cluster echo "Waiting for node to rejoin..." for i in {1..30}; do STATUS=$(ssh "$NODE" "geode admin status --format json 2>/dev/null" | \ jq -r '.status' 2>/dev/null || echo "starting") if [ "$STATUS" == "healthy" ]; then break fi echo " Waiting... ($i/30)" sleep 10 done # 9. Verify node is healthy echo "Verifying node health..." ssh "$NODE" "geode --version" ssh "$NODE" "geode admin status" # 10. Verify cluster health echo "Verifying cluster health..." ssh "${NODES[0]}" "geode admin cluster-status" echo "=== $NODE upgraded successfully ===" # Wait before next node (allow stabilization) if [ "$NODE" != "${NODES[-1]}" ]; then echo "Waiting 60s before next node..." sleep 60 fi done echo "" echo "=== Rolling Upgrade Complete ===" echo "All nodes running version $NEW_VERSION" # Final verification for NODE in "${NODES[@]}"; do VERSION=$(ssh "$NODE" "geode --version" | head -1) echo "$NODE: $VERSION" done </code></pre></div> <h4 id="rollback-rolling" class="position-relative d-flex align-items-center group"> Rollback (Rolling) <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="rollback-rolling" aria-haspopup="dialog" aria-label="Share link: Rollback (Rolling)"> Share link </button> </h4><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash">#!/bin/bash # rolling-rollback.sh # Same process as upgrade, but with previous version # Keep previous binary available for quick rollback OLD_VERSION="0.1.2" # ... follow same rolling procedure with old version </code></pre></div> <h3 id="blue-green-deployment" class="position-relative d-flex align-items-center group"> Blue-Green Deployment <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="blue-green-deployment" aria-haspopup="dialog" aria-label="Share link: Blue-Green Deployment"> Share link </button> </h3>For critical production with instant rollback capability. <h4 id="architecture" class="position-relative d-flex align-items-center group"> Architecture <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="architecture" aria-haspopup="dialog" aria-label="Share link: Architecture"> Share link </button> </h4><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-fallback" data-lang="fallback"> ┌─────────────────┐ │ Load Balancer │ │ (Weighted) │ └────────┬────────┘ │ ┌────────────────┼────────────────┐ │ 100% │ 0% │ ┌────▼────┐ ┌────▼────┐ │ Blue │ │ Green │ │ v0.1.x │ │ v0.1.x │ │(Active) │ │(Standby)│ └─────────┘ └─────────┘ </code></pre></div> <h4 id="procedure-2" class="position-relative d-flex align-items-center group"> Procedure <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="procedure-2" aria-haspopup="dialog" aria-label="Share link: Procedure"> Share link </button> </h4><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash">#!/bin/bash # blue-green-upgrade.sh set -euo pipefail NEW_VERSION="0.2.18" BLUE_CLUSTER="geode-blue" GREEN_CLUSTER="geode-green" echo "=== Blue-Green Upgrade to $NEW_VERSION ===" echo "Blue (current): $BLUE_CLUSTER" echo "Green (new): $GREEN_CLUSTER" # Phase 1: Prepare Green Environment echo "" echo "=== Phase 1: Prepare Green Environment ===" # Deploy new version to green echo "Deploying $NEW_VERSION to green cluster..." ./deploy-cluster.sh "$GREEN_CLUSTER" "$NEW_VERSION" # Wait for green to be ready echo "Waiting for green cluster to be ready..." ./wait-for-cluster.sh "$GREEN_CLUSTER" # Phase 2: Sync Data echo "" echo "=== Phase 2: Sync Data ===" # Set up replication from blue to green echo "Setting up replication..." geode admin replicate \ --source "$BLUE_CLUSTER" \ --target "$GREEN_CLUSTER" \ --mode async # Wait for sync echo "Waiting for initial sync..." while true; do LAG=$(geode admin replication-lag --target "$GREEN_CLUSTER") echo "Replication lag: $LAG" [ "$LAG" -lt 10 ] && break sleep 10 done # Phase 3: Test Green echo "" echo "=== Phase 3: Test Green Environment ===" # Run smoke tests against green echo "Running smoke tests..." ./smoke-tests.sh "$GREEN_CLUSTER" # Run integration tests echo "Running integration tests..." ./integration-tests.sh "$GREEN_CLUSTER" # Phase 4: Switch Traffic echo "" echo "=== Phase 4: Switch Traffic ===" read -p "Ready to switch traffic to green? (yes/no): " CONFIRM [ "$CONFIRM" != "yes" ] && exit 1 # Gradual traffic shift echo "Shifting 10% traffic to green..." ./update-lb-weights.sh blue=90 green=10 sleep 60 echo "Shifting 50% traffic to green..." ./update-lb-weights.sh blue=50 green=50 sleep 60 echo "Shifting 100% traffic to green..." ./update-lb-weights.sh blue=0 green=100 # Phase 5: Verify and Cleanup echo "" echo "=== Phase 5: Verify and Cleanup ===" # Monitor for issues echo "Monitoring for 5 minutes..." sleep 300 # Check error rates ERROR_RATE=$(./get-error-rate.sh) if [ "$(echo "$ERROR_RATE > 0.01" | bc)" -eq 1 ]; then echo "ERROR: High error rate detected. Rolling back..." ./update-lb-weights.sh blue=100 green=0 exit 1 fi # Keep blue running for quick rollback echo "Blue cluster retained for rollback capability" echo "Run './cleanup-blue.sh' after validation period" echo "" echo "=== Blue-Green Upgrade Complete ===" </code></pre></div> <h4 id="instant-rollback" class="position-relative d-flex align-items-center group"> Instant Rollback <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="instant-rollback" aria-haspopup="dialog" aria-label="Share link: Instant Rollback"> Share link </button> </h4><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash">#!/bin/bash # blue-green-rollback.sh echo "=== Instant Rollback to Blue ===" # Switch all traffic back to blue ./update-lb-weights.sh blue=100 green=0 echo "Traffic switched to blue" echo "Green cluster retained for investigation" </code></pre></div> <h3 id="canary-deployment" class="position-relative d-flex align-items-center group"> Canary Deployment <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="canary-deployment" aria-haspopup="dialog" aria-label="Share link: Canary Deployment"> Share link </button> </h3>For gradual rollout with monitoring. <h4 id="procedure-3" class="position-relative d-flex align-items-center group"> Procedure <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="procedure-3" aria-haspopup="dialog" aria-label="Share link: Procedure"> Share link </button> </h4><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash">#!/bin/bash # canary-upgrade.sh set -euo pipefail NEW_VERSION="0.2.18" CANARY_PERCENTAGE=5 echo "=== Canary Deployment to $NEW_VERSION ===" echo "Initial canary: $CANARY_PERCENTAGE%" # Deploy canary instance echo "Deploying canary instance..." ./deploy-canary.sh "$NEW_VERSION" # Route small percentage to canary echo "Routing ${CANARY_PERCENTAGE}% to canary..." ./update-routing.sh canary=$CANARY_PERCENTAGE # Monitor canary echo "Monitoring canary for 30 minutes..." ./monitor-canary.sh --duration 30m --threshold-error-rate 0.01 if [ $? -ne 0 ]; then echo "Canary failed. Rolling back..." ./update-routing.sh canary=0 exit 1 fi # Gradually increase canary for PCT in 10 25 50 75 100; do echo "Increasing canary to ${PCT}%..." ./update-routing.sh canary=$PCT echo "Monitoring for 15 minutes..." ./monitor-canary.sh --duration 15m --threshold-error-rate 0.01 if [ $? -ne 0 ]; then echo "Canary failed at ${PCT}%. Rolling back..." ./update-routing.sh canary=0 exit 1 fi done echo "=== Canary Deployment Complete ===" </code></pre></div> <h3 id="configuration-migration" class="position-relative d-flex align-items-center group"> Configuration Migration <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="configuration-migration" aria-haspopup="dialog" aria-label="Share link: Configuration Migration"> Share link </button> </h3> <h4 id="automatic-migration" class="position-relative d-flex align-items-center group"> Automatic Migration <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="automatic-migration" aria-haspopup="dialog" aria-label="Share link: Automatic Migration"> Share link </button> </h4><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"># Migrate configuration between versions geode config migrate \ --from-version 0.17.x \ --to-version 0.18.x \ --config /etc/geode/geode.yaml \ --output /etc/geode/geode.yaml.new # Review changes diff /etc/geode/geode.yaml /etc/geode/geode.yaml.new # Apply changes mv /etc/geode/geode.yaml.new /etc/geode/geode.yaml </code></pre></div> <h4 id="manual-migration-examples" class="position-relative d-flex align-items-center group"> Manual Migration Examples <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="manual-migration-examples" aria-haspopup="dialog" aria-label="Share link: Manual Migration Examples"> Share link </button> </h4>v0.1.x to v0.1.x: <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-yaml" data-lang="yaml"># Old (v0.1.x) server: listen: '0.0.0.0:3141' auth_enabled: false # Optional auth tls: auto_generate: true # Auto-generate certs # New (v0.1.x) server: listen: '0.0.0.0:3141' # auth_enabled removed, now always true security: authentication: enabled: true # Explicit enable default_user: ${GEODE_ADMIN_USERNAME} default_password: ${GEODE_DEFAULT_PASSWORD} tls: auto_generate: false # Must provide certs cert: /etc/geode/certs/server.crt key: /etc/geode/certs/server.key </code></pre></div> <h3 id="post-upgrade-validation" class="position-relative d-flex align-items-center group"> Post-Upgrade Validation <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="post-upgrade-validation" aria-haspopup="dialog" aria-label="Share link: Post-Upgrade Validation"> Share link </button> </h3> <h4 id="validation-script" class="position-relative d-flex align-items-center group"> Validation Script <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="validation-script" aria-haspopup="dialog" aria-label="Share link: Validation Script"> Share link </button> </h4><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash">#!/bin/bash # post-upgrade-validation.sh set -euo pipefail echo "=== Post-Upgrade Validation ===" # 1. Version check echo "1. Checking version..." ACTUAL_VERSION=$(geode --version | grep -oP '\d+\.\d+\.\d+') echo " Version: $ACTUAL_VERSION" # 2. Health check echo "2. Checking server health..." geode admin status # 3. Query test echo "3. Running query test..." geode query "MATCH (n) RETURN count(n) AS count" # 4. Write test echo "4. Running write test..." geode query "CREATE (t:Test {timestamp: datetime()}) RETURN t" geode query "MATCH (t:Test) DELETE t" # 5. Performance test echo "5. Running performance test..." START=$(date +%s%N) for i in {1..100}; do geode query "MATCH (n) RETURN n LIMIT 10" > /dev/null done END=$(date +%s%N) DURATION_MS=$(( (END - START) / 1000000 )) AVG_MS=$(( DURATION_MS / 100 )) echo " 100 queries in ${DURATION_MS}ms (avg: ${AVG_MS}ms)" # 6. Backup test echo "6. Testing backup functionality..." geode backup --dest /tmp/validation-backup --mode full --verify rm -rf /tmp/validation-backup # 7. Application connectivity test echo "7. Testing application connectivity..." # Add application-specific tests echo "" echo "=== Validation Complete ===" </code></pre></div> <h3 id="best-practices" class="position-relative d-flex align-items-center group"> Best Practices <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="best-practices" aria-haspopup="dialog" aria-label="Share link: Best Practices"> Share link </button> </h3> <h4 id="before-upgrade" class="position-relative d-flex align-items-center group"> Before Upgrade <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="before-upgrade" aria-haspopup="dialog" aria-label="Share link: Before Upgrade"> Share link </button> </h4><ol> <li>Read release notes: Understand changes and breaking changes</li> <li>Test in staging: Full test cycle before production</li> <li>Create backup: Always have a rollback point</li> <li>Notify stakeholders: Communicate maintenance window</li> <li>Prepare rollback plan: Know how to revert quickly</li> </ol> <h4 id="during-upgrade" class="position-relative d-flex align-items-center group"> During Upgrade <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="during-upgrade" aria-haspopup="dialog" aria-label="Share link: During Upgrade"> Share link </button> </h4><ol> <li>Monitor closely: Watch metrics and logs</li> <li>Proceed incrementally: Don’t rush</li> <li>Verify each step: Don’t assume success</li> <li>Document issues: Note any problems encountered</li> <li>Be ready to rollback: Have plan ready</li> </ol> <h4 id="after-upgrade" class="position-relative d-flex align-items-center group"> After Upgrade <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="after-upgrade" aria-haspopup="dialog" aria-label="Share link: After Upgrade"> Share link </button> </h4><ol> <li>Run validation: Complete test suite</li> <li>Monitor for 24h: Watch for delayed issues</li> <li>Update documentation: Note version in runbooks</li> <li>Clean up: Remove old binaries, backup temp files</li> <li>Conduct review: What went well, what to improve</li> </ol> <h3 id="troubleshooting" class="position-relative d-flex align-items-center group"> Troubleshooting <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="troubleshooting" aria-haspopup="dialog" aria-label="Share link: Troubleshooting"> Share link </button> </h3> <h4 id="upgrade-fails-to-start" class="position-relative d-flex align-items-center group"> Upgrade Fails to Start <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="upgrade-fails-to-start" aria-haspopup="dialog" aria-label="Share link: Upgrade Fails to Start"> Share link </button> </h4><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"># Check logs journalctl -u geode -n 100 # Common issues: # - Config format changed -> migrate config # - Missing dependencies -> check Zig version # - Permission issues -> check file ownership </code></pre></div> <h4 id="data-incompatibility" class="position-relative d-flex align-items-center group"> Data Incompatibility <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="data-incompatibility" aria-haspopup="dialog" aria-label="Share link: Data Incompatibility"> Share link </button> </h4><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"># If data format changed between versions geode admin migrate-data --from-version 0.17.x # If migration fails, restore from backup geode restore --source s3://bucket/backups --backup-id <pre-upgrade-id> </code></pre></div> <h4 id="performance-regression" class="position-relative d-flex align-items-center group"> Performance Regression <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="performance-regression" aria-haspopup="dialog" aria-label="Share link: Performance Regression"> Share link </button> </h4><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"># Compare query plans geode query "EXPLAIN MATCH (n) RETURN n LIMIT 100" # Check index status geode admin index-status # Review new configuration options geode config diff --from 0.17.x --to 0.18.x </code></pre></div> <h3 id="related-documentation" class="position-relative d-flex align-items-center group"> Related Documentation <button type="button" class="h-share btn btn-link p-0 text-decoration-none link-secondary opacity-50 hover-opacity-100 transition-all ms-1" data-share-target="related-documentation" aria-haspopup="dialog" aria-label="Share link: Related Documentation"> Share link </button> </h3><ul> <li><a href="/docs/guides/migration-guide/" >Migration Guide</a> - Data migration procedures</li> <li><a href="/docs/operations/backup/" >Backup Procedures</a> - Backup before upgrade</li> <li><a href="/docs/operations/disaster-recovery/" >Disaster Recovery</a> - Recovery procedures</li> <li><a href="/docs/configuration/" >Configuration Reference</a> - Configuration options</li> </ul>