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feat: add treemap and punchcard heatmap to dashboard L1/L2 (#94)

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Treemap: rectangle area = transaction volume, color = SLA compliance
(green→red). Shows apps at L1, routes at L2. Click navigates deeper.

Punchcard heatmap: 7-day rolling weekday x 24-hour grid showing
transaction volume and error patterns. Two side-by-side views
(transactions + errors) reveal temporal clustering.

Backend: new GET /search/stats/punchcard endpoint aggregating
stats_1m_all/app by DOW x hour over rolling 7 days.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
hsiegeln
2026-03-30 10:26:26 +02:00
parent b5c19b6774
commit 9d2d87e7e1
9 changed files with 433 additions and 17 deletions
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10
cameleer3-server-app/src/main/java/com/cameleer3/server/app/controller/SearchController.java
View File

@@ -11,6 +11,7 @@ import com.cameleer3.server.core.search.SearchResult;
import com.cameleer3.server.core.search.SearchService;
import com.cameleer3.server.core.search.StatsTimeseries;
import com.cameleer3.server.core.search.TopError;
import com.cameleer3.server.core.storage.StatsStore;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import org.springframework.http.ResponseEntity;
@@ -162,6 +163,15 @@ public class SearchController {
return ResponseEntity.ok(searchService.timeseriesGroupedByRoute(from, end, buckets, application));
}
@GetMapping("/stats/punchcard")
@Operation(summary = "Transaction punchcard: weekday x hour grid (rolling 7 days)")
public ResponseEntity<List<StatsStore.PunchcardCell>> punchcard(
@RequestParam(required = false) String application) {
Instant to = Instant.now();
Instant from = to.minus(java.time.Duration.ofDays(7));
return ResponseEntity.ok(searchService.punchcard(from, to, application));
}
@GetMapping("/errors/top")
@Operation(summary = "Top N errors with velocity trend")
public ResponseEntity<List<TopError>> topErrors(

26
cameleer3-server-app/src/main/java/com/cameleer3/server/app/storage/PostgresStatsStore.java
View File

@@ -399,4 +399,30 @@ public class PostgresStatsStore implements StatsStore {
Integer count = jdbc.queryForObject(sql, Integer.class, params.toArray());
return count != null ? count : 0;
}
// ── Punchcard ─────────────────────────────────────────────────────────
@Override
public List<PunchcardCell> punchcard(Instant from, Instant to, String applicationName) {
String view = applicationName != null ? "stats_1m_app" : "stats_1m_all";
String sql = "SELECT EXTRACT(DOW FROM bucket) AS weekday, " +
"EXTRACT(HOUR FROM bucket) AS hour, " +
"COALESCE(SUM(total_count), 0) AS total_count, " +
"COALESCE(SUM(failed_count), 0) AS failed_count " +
"FROM " + view + " WHERE bucket >= ? AND bucket < ?";
List<Object> params = new ArrayList<>();
params.add(Timestamp.from(from));
params.add(Timestamp.from(to));
if (applicationName != null) {
sql += " AND application_name = ?";
params.add(applicationName);
}
sql += " GROUP BY weekday, hour ORDER BY weekday, hour";
return jdbc.query(sql, (rs, rowNum) -> new PunchcardCell(
rs.getInt("weekday"), rs.getInt("hour"),
rs.getLong("total_count"), rs.getLong("failed_count")),
params.toArray());
}
}