From c5a4d8c82ddd5265abc830959a58cdaf1f061a43 Mon Sep 17 00:00:00 2001 From: Eugen Rochko Date: Thu, 9 Feb 2023 11:24:16 +0100 Subject: [PATCH] Add information about database pool to metrics endpoint in streaming API (#23469) --- streaming/index.js | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/streaming/index.js b/streaming/index.js index 1fbbdea3b..a8708ec78 100644 --- a/streaming/index.js +++ b/streaming/index.js @@ -856,6 +856,15 @@ const startWorker = async (workerId) => { res.write('# TYPE connected_channels gauge\n'); res.write('# HELP connected_channels The number of Redis channels the streaming server is subscribed to\n'); res.write(`connected_channels ${Object.keys(subs).length}.0\n`); + res.write('# TYPE pg.pool.total_connections gauge \n'); + res.write('# HELP pg.pool.total_connections The total number of clients existing within the pool\n'); + res.write(`pg.pool.total_connections ${pgPool.totalCount}.0\n`); + res.write('# TYPE pg.pool.idle_connections gauge \n'); + res.write('# HELP pg.pool.idle_connections The number of clients which are not checked out but are currently idle in the pool\n'); + res.write(`pg.pool.idle_connections ${pgPool.idleCount}.0\n`); + res.write('# TYPE pg.pool.waiting_queries gauge \n'); + res.write('# HELP pg.pool.waiting_queries The number of queued requests waiting on a client when all clients are checked out\n'); + res.write(`pg.pool.waiting_queries ${pgPool.waitingCount}.0\n`); res.write('# EOF\n'); res.end(); }));