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 1kDAgj-0005Ko-3r for pgsql-docs@arkaria.postgresql.org; Tue, 01 Sep 2020 18:07:21 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1kDAgh-0004vq-PX for pgsql-docs@arkaria.postgresql.org; Tue, 01 Sep 2020 18:07:19 +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 1kDA3l-00063T-VB for pgsql-docs@lists.postgresql.org; Tue, 01 Sep 2020 17:27:05 +0000 Received: from wrigleys.postgresql.org ([2a02:c0:301:0:ffff::34]) by magus.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1kDA3j-0007zq-8z for pgsql-docs@lists.postgresql.org; Tue, 01 Sep 2020 17:27:05 +0000 Content-Type: multipart/mixed; boundary="===============4642547987839863073==" MIME-Version: 1.0 Subject: Adding description about the random_page_cost and parallel_leader_participation To: pgsql-docs@lists.postgresql.org From: PG Doc comments form Cc: yigongh@gmail.com Reply-To: yigongh@gmail.com, pgsql-docs@lists.postgresql.org Date: Tue, 01 Sep 2020 17:26:50 +0000 Message-ID: <159898121004.3375.8319924957147010903@wrigleys.postgresql.org> X-Auto-Response-Suppress: All List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk --===============4642547987839863073== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 VGhlIGZvbGxvd2luZyBkb2N1bWVudGF0aW9uIGNvbW1lbnQgaGFzIGJlZW4gbG9nZ2VkIG9uIHRo ZSB3ZWJzaXRlOgoKUGFnZTogaHR0cHM6Ly93d3cucG9zdGdyZXNxbC5vcmcvZG9jcy8xMi9ydW50 aW1lLWNvbmZpZy1xdWVyeS5odG1sCkRlc2NyaXB0aW9uOgoKSSByZWNlbnRseSBoYXZlIGFuIG9i c2VydmF0aW9uIHRoYXQgdGhlIGNvbWJpbmF0aW9uIG9mIHJhbmRvbV9wYWdlX2Nvc3QgYW5kCnBh cmFsbGVsX2xlYWRlcl9wYXJ0aWNpcGF0aW9uIGNhbiBjYXVzZSBhIHBlcmZvcm1hbmNlIHJlZ3Jl c3Npb24uIEhvd2V2ZXIsCmJhc2VkIG9uIHRoZSBvZmZpY2lhbCB3ZWJzaXRlLCBpdCBzZWVtcyB0 aGF0IHRoZXNlIHR3byBjb25maWd1cmF0aW9ucyBzZWVtCm5vdCB0byBoYXZlIGEgdmVyeSBzdHJh aWdodCByZWxhdGlvbnNoaXAuIA0KICAgSSBydW4gdGhlIFBvc3RncmVTUUwgMTEgb24gVWJ1bnR1 IDE4LjA0LiBXaGVuIEkgY3JlYXRlIGEgZGF0YWJhc2Ugd2l0aAphYm91dCAxNk1CIGFuZCBydW4g YSBzZWxlY3QgcXVlcnkgYnkgcGdiZW5jaC4gSWYgSSBzZXQgdGhlIHJhbmRvbV9wYWdlX2Nvc3QK YXMgNCBhbmQgcGFyYWxsZWxfbGVhZGVyX3BhcnRpY2lwYXRpb24gaXMgb24sIHRoZSBhdmVyYWdl IGxhdGVuY3kgb2Ygc2VsZWN0CnF1ZXJ5IGlzIGFib3V0IDcyIG1zIGZvciBmaXZlIGNsaWVudHMu IEhvd2V2ZXIsIGlmIHdlIGNoYW5nZSB0aGUKcmFuZG9tX3BhZ2VfY29zdCB0byAxIG9yIHR1cm4g b2ZmIHRoZSBwYXJhbGxlbF9sZWFkZXJfcGFydGljaXBhdGlvbiwgdGhlCmF2ZXJhZ2UgbGF0ZW5j eSBpcyBvbmx5IDU0bXMuIEhvd2V2ZXIsIElmIEkgbWFudWFsbHkgcnVuIHRoZSBxdWVyeSBvbiBh CmNsaWVudCwgY2hhbmdpbmcgdGhlIHZhbHVlIG9mIHJhbmRvbV9wYWdlX2Nvc3QgZG9lc24ndCBj aGFuZ2UgdGhlCnBlcmZvcm1hbmNlDQogICBJIGNoZWNrIHRoZSB3b3JrbG9hZCBhbmQgZmluZCB0 aGF0IGlmIHRoZSByYW5kb21fcGFnZV9jb3N0IGlzIDQgYW5kCnBhcmFsbGVsX2xlYWRlcl9wYXJ0 aWNpcGF0aW9uIGlzIG9uLCBxdWVyeSBwbGFuZXIgd291bGQgdGVuZCB0byBjaG9vc2UgTWVyZ2UK Z2F0aGVyIGpvaW4gZm9yIHNlbGVjdCBjbGF1c2UsIHdoaWNoIHdvdWxkIHJlcXVpcmUgbW9yZSBt ZW1vcnkgdG8gZG8Kc29ydGluZy4gSWYgdGhlIHJhbmRvbV9wYWdlX2Nvc3QgaXMgMSBhbmQgcGFy YWxsZWxfbGVhZGVyX3BhcnRpY2lwYXRpb24gaXMKb24sIHRoZSBxdWVyeSBwbGFuIHdvdWxkIGNo b29zZSBuZXN0IGxvb3AsIHdoaWNoIHJlcXVpcmVzIGxlc3MgbWVtb3J5LiBJCmd1ZXNzIHRoaXMg bWlnaHQgYmUgdGhlIHJvb3QgY2F1c2Ugb2YgcGVyZm9ybWFuY2UgcmVncmVzc2lvbi4gDQogICBJ ZiBteSBndWVzcyBpcyB0cnVlLCBJIHdvdWxkIHN1Z2dlc3QgbWVudGlvbmluZyB0aGF0IHRoZSBj b21iaW5hdGlvbiBvZgpyYW5kb21fcGFnZV9jb3N0IGFuZCBwYXJhbGxlcl9sZWFkZXJfcGFydGlj aXBhdGlvbiB3b3VsZCBjYXVzZSB0aGUgcXVlcnkgdG8KdXNlIG1vcmUgbWVtb3J5IGluIHRoZSBv ZmZpY2lhbCBkb2N1bWVudAo= --===============4642547987839863073==--