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 1s1bm5-00DTsP-JT for pgsql-hackers@arkaria.postgresql.org; Tue, 30 Apr 2024 00:55:13 +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 1s1bm2-0031nD-Vt for pgsql-hackers@arkaria.postgresql.org; Tue, 30 Apr 2024 00:55:11 +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 1s1bm2-0031mp-Lx for pgsql-hackers@lists.postgresql.org; Tue, 30 Apr 2024 00:55:11 +0000 Received: from mail-yb1-xb2b.google.com ([2607:f8b0:4864:20::b2b]) by makus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94.2) (envelope-from ) id 1s1bm1-000gwp-2m for pgsql-hackers@postgresql.org; Tue, 30 Apr 2024 00:55:10 +0000 Received: by mail-yb1-xb2b.google.com with SMTP id 3f1490d57ef6-de54cb87998so5544357276.2 for ; Mon, 29 Apr 2024 17:55:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1714438508; x=1715043308; darn=postgresql.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=FY6KN2AmqJlImRqJBPHZVltEDn0NTuRQ4/gko1dN0i8=; b=aV/0rXVNtaAsBeecNdu4ICAD13p7mPzpGQJ69kY1ZV0wrjWP8RpfN6cUPd/ZfOAQrO DK/iWpTYMfk813ZFFPA02R2L+QDUPQvmepO9uPu+RHDa/BYNwfTlOyFluERBli0qbA7A 1GHDRBXNMCMtxlRARaiLvIEkgtn8XiUhQ9qUJjhuRhJZNShF4qRagXsn5QkxcsM+PrdD CHv3cUltB4NLE7lt/HOYcyKy8z0eN8JLnGWWIxrtLsMNntPpBLKjDoBSgdZ3Q6yC9IHf NYCGrCsGeAz+es5bZxgkHoMEnFZVkjZRuTYffYyo8ZjW1k02UaDGrzEsn23CYqxmPbVW M+Hg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714438508; x=1715043308; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=FY6KN2AmqJlImRqJBPHZVltEDn0NTuRQ4/gko1dN0i8=; b=F4GDIhZppATvgxXLN/IlZJSTYnEv1bjyiUp03xbkjlxCGMd73CjPYtnUNrHwVVCZrb 4+Ark8hLkf1iUkbI5cFoeJ00GlqclVZ9v9OwhE15nonfm0Q8Hzhi5e8CkPpb54NNOyGb CD0xB1F/SDTGoaLY+SFeUioqRArBnkmjTWM6PrBQkgYHZ9oHUhCp1kcsrDnyKUakP6aF pkty0Udf7cITFZL7Q2S7nWn9WdP/2JO8dCsak517bWs8TGyiY/dniw7raUQHYzbmQF2W kSY4tuo/n3B/HkNwFxYX2nqL5AOpWd9FOs/zWVFF9vyWlFr/dRpyz7lQVdzs4z8D6qoF NzpQ== X-Forwarded-Encrypted: i=1; AJvYcCXxcUnK0f3/Nv49V1kNu2Yzxn+Ou0X4pMUHgOJWxNRH3+gBmZlqnKpHM1VYKkfZ9yShSkhygETWOWG8jV2+EXGx3rVvVl3nJIV4URz4 X-Gm-Message-State: AOJu0YzCHzyqnJh5UY8TS4JBGFZFNymyVbYvB3NmnQEBo+g3fvZQ51Sr NVsw4OGE1t24eNA2daV+u9E39tAk4Nt9PVxpvx6ApMwzi6GIVbGJM0QwJGYosO/cA9m8DR/4K9+ 8LfZY+Dfrm5rZvMA/mjiSanEOKMU= X-Google-Smtp-Source: AGHT+IGQl2zXgyXbcnI2gRdDGML+dfkEDIPv/xZi/PewNSgXrYt7HkQiI6V1J1IUozutEFqNlw2HS5COWIHKy/eGwKw= X-Received: by 2002:a25:a185:0:b0:dd1:48c9:53f3 with SMTP id a5-20020a25a185000000b00dd148c953f3mr1155093ybi.60.1714438508393; Mon, 29 Apr 2024 17:55:08 -0700 (PDT) MIME-Version: 1.0 References: <1068977.1714367460@sss.pgh.pa.us> <1076837.1714368760@sss.pgh.pa.us> <1222343.1714398316@sss.pgh.pa.us> In-Reply-To: From: Richard Guo Date: Tue, 30 Apr 2024 08:54:47 +0800 Message-ID: Subject: Re: A failure in prepared_xacts test To: Michael Paquier Cc: Tom Lane , PostgreSQL-development Content-Type: multipart/alternative; boundary="00000000000048419c061745d240" List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --00000000000048419c061745d240 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, Apr 30, 2024 at 6:43=E2=80=AFAM Michael Paquier wrote: > I'd be curious about any discussion involving the structure of the > meson tests. +1. I'm kind of worried that the expansion of parallelization could lead to more instances of instability. Alexander mentioned one such case at [1]. I haven't looked into it though. [1] https://www.postgresql.org/message-id/cbf0156f-5aa1-91db-5802-82435dda03e6%= 40gmail.com Thanks Richard --00000000000048419c061745d240 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

On Tue, Apr 30, 2024 at 6:43=E2=80=AFAM M= ichael Paquier <michael@paquier.x= yz> wrote:
I'd be curious about any discussion involving the structure of the
meson tests.

+1.=C2=A0 I'm kind of worr= ied that the expansion of parallelization could
lead to more instances o= f instability.=C2=A0 Alexander mentioned one such
case at [1].=C2=A0 I h= aven't looked into it though.

[1] https:= //www.postgresql.org/message-id/cbf0156f-5aa1-91db-5802-82435dda03e6%40gmai= l.com

Thanks
Richard
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