About the product
WALShadow enables sub-second replication of Postgres data to ClickHouse using physical Write-Ahead Logging (WAL), enhancing data availability and analytics speed.
About the product
WALShadow enables sub-second replication of Postgres data to ClickHouse using physical Write-Ahead Logging (WAL), enhancing data availability and analytics speed.
What this signalsDeveloper discussion often shows how technical buyers see a product.
Tags
Key features
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This page shows a preview. The full hackernews record in the Signal API and MCP can also have these 8 fields. Some fields are empty for some signals.
Company
linkedin_urlValue in the APIindustriesValue in the APIemployee_count_lowValue in the APIemployee_count_highValue in the APIrevenueValue in the APIdescriptionValue in the APISignal
signal_nameValue in the APIassociationValue in the APIGET /v1/signals/hn-49646322 returns this record as JSON. POST /v1/companies/enrich returns every signal for clickhouse.com.
{
"signal_id": "hn-49646322",
"signal_type": "hackernews",
"signal_subtype": "hnMention",
"detected_at": "2026-09-10T16:22:43+00:00",
"company": {
"name": "ClickHouse",
"domain": "clickhouse.com"
},
"data": {
"tags": [
"postgres",
"clickhouse",
"data-replication",
"analytics",
"database"
],
"hn_id": "49646322",
"hn_url": "https://clickhouse.com/blog/introducing-walshadow",
"is_b2b": true,
"source": "hackernews-algolia",
"hn_link": "https://news.ycombinator.com/item?id=49646322",
"hn_title": "Sub-second Postgres replication to ClickHouse from physical WAL",
"hn_author": "__s",
"hn_points": 9,
"relevance": 0.9,
"confidence": "medium",
"story_type": "mention",
"hn_comments": 0,
"company_name": "ClickHouse",
"key_features": [
"Sub-second replication",
"Uses physical WAL",
"Seamless integration with Postgres",
"Enhances analytics capabilities",
"Improves data availability"
],
"product_name": "WALShadow",
"target_market": "Businesses using Postgres that require fast analytics and data replication.",
"outreach_hooks": [
"Highlight the speed of data replication for analytics needs.",
"Discuss integration capabilities with existing Postgres setups.",
"Emphasize the benefits of improved data availability for business intelligence."
],
"engagement_score": 1,
"competitive_angle": "WALShadow offers a unique approach by leveraging physical WAL for faster data replication compared to traditional methods.",
"company_description": "ClickHouse is a columnar database management system for online analytical processing.",
"product_description": "WALShadow enables sub-second replication of Postgres data to ClickHouse using physical Write-Ahead Logging (WAL), enhancing data availability and analytics speed."
}
}
curl https://signals.autobound.ai/v1/signals/hn-49646322 \
-H "X-API-KEY: $AUTOBOUND_API_KEY"curl -X POST https://signals.autobound.ai/v1/companies/enrich \
-H "X-API-KEY: $AUTOBOUND_API_KEY" \
-H "Content-Type: application/json" \
-d '{"domain":"clickhouse.com","limit":20}'Long text fields are shortened on this page.
Looking up one signal by its id is free. Enrich costs 2 credits per signal returned; a call with no results is free.