Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ojzn6-0001yV-Ub for pgsql-performance@arkaria.postgresql.org; Sun, 16 Oct 2022 09:18:41 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1ojzn4-00022p-EB for pgsql-performance@arkaria.postgresql.org; Sun, 16 Oct 2022 09:18:38 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ojzn4-00022d-2W for pgsql-performance@lists.postgresql.org; Sun, 16 Oct 2022 09:18:38 +0000 Received: from lana.depesz.com ([88.198.49.178] helo=depesz.com) by magus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ojzmy-0002KJ-75 for pgsql-performance@postgresql.org; Sun, 16 Oct 2022 09:18:37 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=depesz.com; s=20170201; h=In-Reply-To:Content-Type:MIME-Version:References:Reply-To: Message-ID:Subject:Cc:To:Sender:From:Date:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=mnweDp8juf9teaXEvVtjCd6cuckee01F55sWfUrw6bg=; b=SlvBh9/ug+l4xy/T/E//kBySbE t7mgnb4WM+ykV1fmYRDbyemQ3QThhBs0lHFLwArhanaERBMJwWVEbA2FGRsA8hKLW39QAuLq8takj BkOr6utUJ0ED/Dv11z7r63NhfkHVzsV4Cg7BAalCa87P7kST9soYk3SmnmeLorNRbhuk=; Received: from depesz by depesz.com with local (Exim 4.94.2) (envelope-from ) id 1ojzmu-00AGMo-Nv; Sun, 16 Oct 2022 11:18:28 +0200 Date: Sun, 16 Oct 2022 11:18:28 +0200 From: hubert depesz lubaczewski Sender: depesz@depesz.com To: Sengottaiyan T Cc: MichaelDBA , pgsql-performance@postgresql.org Subject: Re: Identify root-cause for intermittent spikes Message-ID: Reply-To: depesz@depesz.com References: <0e34d222-d3b8-02fc-f60a-0487212e0cd4@sqlexec.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Fri, Oct 14, 2022 at 10:57:00PM +0530, Sengottaiyan T wrote: > Please suggest: Is there any open-source tool available for capturing such > information? pg_cron? depesz