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 4.96) (envelope-from ) id 1wV2Zt-001dcL-1n for pgpool-hackers@arkaria.postgresql.org; Thu, 04 Jun 2026 07:33:21 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.96) (envelope-from ) id 1wV2Zs-005Pbs-1X for pgpool-hackers@arkaria.postgresql.org; Thu, 04 Jun 2026 07:33:20 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wV2Zs-005Pbl-0z for pgpool-hackers@lists.postgresql.org; Thu, 04 Jun 2026 07:33:20 +0000 Received: from meldrar.postgresql.org ([2a02:c0:301:0:ffff::31]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1wV2Zq-00000001CNh-0Okd for pgpool-hackers@lists.postgresql.org; Thu, 04 Jun 2026 07:33:20 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=postgresql.org; s=20171124; h=Content-Transfer-Encoding:Content-Type: Mime-Version:References:In-Reply-To:From:Subject:Cc:To:Message-Id:Date:Sender :Reply-To:Content-ID:Content-Description; bh=SeV7bL3SZRZtpBWN4eTaRCHRzPjt18iUauz6kGf4UJI=; b=7L9NaGDl9w5NDxG/0W+j77ON51 j2N4gulFe2h9Vm8r4YiL8Vg3GU+eJK9vgFEah66oqfrwDy/thfwQcUL0zQ0vaHfuSKFSupTgxmLF7 Wa9WO3OUC4GIwEVWOp2IhxplSFZQgpFrbSLWYvoTD8u83DXZTEcLh3JXdDD1HgrsoziBCtrm+a0mV HVYa6beyvkkGQGEFKW64/O3KO2WKmSb1qCnq7daDkV04yAHM6z3wu1uO44kWziYlv0etCINkPohxJ i/4Wj/BBDATo+7+00jQ+TR5CUNXy8sXPjq94UU+wTw9/fOFRwpoJVwLNadWc9ojJAxnsMnew7KZTJ z4LsexPw==; Received: from [2409:11:4120:300:6b7d:da09:f64c:7517] (helo=localhost) by meldrar.postgresql.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1wV2Zn-002vOI-2R; Thu, 04 Jun 2026 07:33:17 +0000 Date: Thu, 04 Jun 2026 16:33:11 +0900 (JST) Message-Id: <20260604.163311.1423441645824043920.ishii@postgresql.org> To: nadav@tailorbrands.com Cc: pgpool-hackers@lists.postgresql.org Subject: Re: Proposal: Recent mutated table tracking in memory From: Tatsuo Ishii In-Reply-To: References: <20260531.140928.1159580709730343176.ishii@postgresql.org> <20260604.161440.589411300726741691.ishii@postgresql.org> X-Mailer: Mew version 6.8 on Emacs 29.3 Mime-Version: 1.0 Content-Type: Text/Plain; charset=utf-8 Content-Transfer-Encoding: base64 X-Host-Lookup-Failed: Reverse DNS lookup failed for 2409:11:4120:300:6b7d:da09:f64c:7517 (failed) List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk PiBBbWF6aW5nIG5ld3MhIFRoYW5rIHlvdSBzbyBtdWNoIQ0KDQpZb3UgYXJlIHdlbGNvbWUhDQoN Cj4gV2hlbiBjYW4gSSBleHBlY3QgaXQgdG8gYmUgbGl2ZSBpbiBhIHZlcnNpb24gdGhlbiA/DQoN Ckl0IHdpbGwgZ2V0IGludG8gdjQuOCwgd2hpY2ggaXMgc3VwcG9zZWQgdG8gYmUgcmVsZWFzZWQg aW4gdGhpcw0KRGVjZW1iZXIuDQoNClJlZ2FyZHMsDQotLQ0KVGF0c3VvIElzaGlpDQpTUkEgT1NT IEsuSy4NCkVuZ2xpc2g6IGh0dHA6Ly93d3cuc3Jhb3NzLmNvLmpwL2luZGV4X2VuLw0KSmFwYW5l c2U6aHR0cDovL3d3dy5zcmFvc3MuY28uanANCg0KPiBOYWRhdiBTaGF0eg0KPiBUYWlsb3IgQnJh bmRzIHwgQ1RPDQo+IA0KPiBPbiBUaHUsIEp1biA0LCAyMDI2IGF0IDEwOjE04oCvQU0gVGF0c3Vv IElzaGlpIDxpc2hpaUBwb3N0Z3Jlc3FsLm9yZz4gd3JvdGU6DQo+IA0KPj4gSGkgTmFkYXYsDQo+ Pg0KPj4gPj4gICB2NS0wMDAxLUZpeC1kaXNhYmxlX2xvYWRfYmFsYW5jZV9vbl93cml0ZS1hbmQt cXVlcnktY2FjaGUucGF0Y2gNCj4+DQo+PiBJIHVwZGF0ZWQgdGhlIHBhdGNoIHRvOg0KPj4gdjIt MDAwMS1GaXgtZGlzYWJsZV9sb2FkX2JhbGFuY2Vfb25fd3JpdGUtdG8tbm90LWJyZWFrLXF1LnBh dGNoDQo+Pg0KPj4gSSBzbGlnaHRseSBtb2RpZmllcyB0aGUgZmlyc3QgbGluZSBvZiB0aGUgY29t bWl0IG1lc3NhZ2UsIGFuZCB0aGUgZmlsZQ0KPj4gbmFtZSBoYXMgYmVlbiBjaGFuZ2VkIHRvby4g SW4gdjIgcGF0Y2gsIEkgYWRkZWQgdGVzdCBjYXNlcyBmb3INCj4+IGRpc2FibGVfbG9hZF9iYWxh bmNlX29uX3dyaXRlIG9wdGlvbnMuIEN1cnJlbnRseSBpdCBpbmNsdWRlcyB0ZXN0DQo+PiBjYXNl cyBmb3IgdHJhbnNfdHJhbnNhY3Rpb24sIGRtbF9hZGFwdGl2ZSBhbmQgYWx3YXlzLiBPdGhlciB0 aGFuIHRoYXQsDQo+PiBub3RoaW5nIGhhcyBiZWVuIGNoYW5nZWQgc2luY2UgdjEuIEkgcGxhbiB0 byBwdXNoIHRvIGFsbCBzdXBwb3J0ZWQNCj4+IGJyYW5jaGVzIGFmdGVyIHRoZSBKdW5lIG1pbm9y IHJlbGVhc2VzLg0KPj4NCj4+IEFmdGVyIGZpbmlzaGluZyByZXZpZXcgZm9yIHlvdXIgcGF0Y2gs IEkgd2lsbCBwdXNoIHlvdXIgcGF0Y2ggYWxvbmcNCj4+IHdpdGggYWRkaXRpb24gdG8gMDA2Lm1l bXFjYWNoZSBzbyB0aGF0IGl0IHRlc3RzIHRoZSBuZXcgb3B0aW9uLg0KPj4NCj4+IFJlZ2FyZHMs DQo+PiAtLQ0KPj4gVGF0c3VvIElzaGlpDQo+PiBTUkEgT1NTIEsuSy4NCj4+IEVuZ2xpc2g6IGh0 dHA6Ly93d3cuc3Jhb3NzLmNvLmpwL2luZGV4X2VuLw0KPj4gSmFwYW5lc2U6aHR0cDovL3d3dy5z cmFvc3MuY28uanANCj4+DQo=