Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rniAR-00EfA9-7t for pgsql-hackers@arkaria.postgresql.org; Fri, 22 Mar 2024 16:54:55 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1rniAP-005WHp-LC for pgsql-hackers@arkaria.postgresql.org; Fri, 22 Mar 2024 16:54:54 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1rniAP-005WHh-CA for pgsql-hackers@lists.postgresql.org; Fri, 22 Mar 2024 16:54:53 +0000 Received: from mail-io1-xd2e.google.com ([2607:f8b0:4864:20::d2e]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94.2) (envelope-from ) id 1rniAM-005stW-1K for pgsql-hackers@lists.postgresql.org; Fri, 22 Mar 2024 16:54:52 +0000 Received: by mail-io1-xd2e.google.com with SMTP id ca18e2360f4ac-7cc133f431fso97498639f.1 for ; Fri, 22 Mar 2024 09:54:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1711126490; x=1711731290; darn=lists.postgresql.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=ALGzd/bRtX2ZwZ7Q1Qx9vmovG9CTPnK6aIzSMfDjpwg=; b=TvK7zaybdPnPhj27k9BdgM8a4XpGqLlfjxQk/LxxT3EHwHXntykKUMeL2eQAnRbM0Z GeAhKhQcpAHg7X1hxkY4XWvqqONMfufClWCtyj8pWlSCaflLYmGX0fYqbJZRbCG/rsnh 8Whw50K6aANFQrHXxjCOqAoTEI2fa26R3wzt7BnpRg79M84ix1VpBa1fOQEMBA0WsCdX 8748LFIEVEmnDZYwTERMtPWfSj0qsXTWVlxQ4kV7JKfBjMa2YCMoABwd04+xbmCHVzNt tA9zpfLPRLlPdX7htuJG+Pq3QQvwnvOq9EkSmEMF40J6zAth4ER8LR7V7CGWmmP4ebzT y/jg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711126490; x=1711731290; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=ALGzd/bRtX2ZwZ7Q1Qx9vmovG9CTPnK6aIzSMfDjpwg=; b=NYY0IlVcLhPqSd7p/VfU93TWKx8wucBAQB6L7XBRkaRVqjJATVmq+5CYGWAcEDujm1 yKV1+qmVG4xYFuB+vYtD+q6LhrYYftsBR3aGKguPhOzGnQG/DFcp833ntrQeCwenLSRP /Vp1k5bb2+1yxQpizqxI6aeqkbnFi5nhFyReGtFqjGo6jxOpusf6MkM4ANtJsMlTUc1n dROl1m2+AR6Qi7hmOvfErwo9XtLP8FtPlpbJ0LAypQ8YQblFGo9QVrdrrIQzyNeZvW9D BnNYMtAEj11qpG0X9Y+pkgPPHsEYuLt9qr2GSLAvIy2LxorWhTdJj6Qb9D3VPb+15ooA h/YA== X-Gm-Message-State: AOJu0Yx0kgJlrkzH8iy83m0PTb3P2io+oEdwLw0k+u++DncdmnNApP1g Bw5KP5P7FA0RMilcFKsbZ7EGKruTbpTyfahoFo42SKKMX93S8UIi X-Google-Smtp-Source: AGHT+IGEeIykJeMHaMq0hjG8Yki38Nqo7w+aao3UDwFZkiz8OgzDFGwxjz34Oktnu0/zdBdpXlRyLQ== X-Received: by 2002:a5e:8b04:0:b0:7d0:32b6:fbe1 with SMTP id g4-20020a5e8b04000000b007d032b6fbe1mr2176571iok.21.1711126490595; Fri, 22 Mar 2024 09:54:50 -0700 (PDT) Received: from nathanxps13 (162-195-168-172.lightspeed.stlsmo.sbcglobal.net. [162.195.168.172]) by smtp.gmail.com with ESMTPSA id o26-20020a02cc3a000000b00474dad114a6sm607011jap.80.2024.03.22.09.54.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Mar 2024 09:54:50 -0700 (PDT) Date: Fri, 22 Mar 2024 11:54:48 -0500 From: Nathan Bossart To: Tom Lane Cc: pgsql-hackers@lists.postgresql.org, alex work , Robert Haas Subject: Re: Slow GRANT ROLE on PostgreSQL 16 with thousands of ROLEs Message-ID: <20240322165448.GA2350322@nathanxps13> References: <619340.1711050134@sss.pgh.pa.us> <642442.1711053105@sss.pgh.pa.us> <20240321204012.GA1992418@nathanxps13> <20240322005139.GA2060816@nathanxps13> <806361.1711069194@sss.pgh.pa.us> <20240322144739.GA2321246@nathanxps13> <20240322145532.GA2346110@nathanxps13> <907785.1711121266@sss.pgh.pa.us> <20240322163952.GA2347986@nathanxps13> <939945.1711126395@sss.pgh.pa.us> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <939945.1711126395@sss.pgh.pa.us> List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Fri, Mar 22, 2024 at 12:53:15PM -0400, Tom Lane wrote: > Would you like to review the catcache patch further, or do you > think it's good to go? I'll take another look this afternoon. -- Nathan Bossart Amazon Web Services: https://aws.amazon.com