2025-11-25

PhenixRTS/frontend-draining/THE QUERY.md

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+
+```SQL
+WITH DrainingConnectionIds AS (
+  SELECT DISTINCT
+    connectionId
+  FROM
+    `phenix-pcast.pcast_logs_us.syslog`,
+    UNNEST(REGEXP_EXTRACT_ALL(Message, r"'([^']+)'")) AS connectionId
+  WHERE
+    Timestamp >= TIMESTAMP_ADD(CURRENT_TIMESTAMP(), INTERVAL -2 MINUTE)
+    AND Message LIKE "%Websocket connectionids preventing drain%"
+),
+SessionStartLogs AS (
+  SELECT
+    REGEXP_EXTRACT(Message, r"\[([^\]]+)\]") AS ApplicationId,
+    REGEXP_EXTRACT(Message, r"connection \[([^\]]+)\]") AS ConnectionId,
+    Message
+  FROM
+    `phenix-pcast.pcast_logs_us.syslog`
+  WHERE
+    Timestamp >= TIMESTAMP_ADD(CURRENT_TIMESTAMP(), INTERVAL -90 DAY)
+    AND Message LIKE '%Session started with connection%'
+)
+SELECT
+  s.ApplicationId,
+  s.ConnectionId,
+  REGEXP_EXTRACT_ALL(s.Message, r"connection \[(\]]+)\]")[SAFE_OFFSET(1)] AS SessionId
+FROM
+  SessionStartLogs AS s
+INNER JOIN
+  DrainingConnectionIds AS d
+ON
+  s.ConnectionId = d.connectionId
+
+```