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 1k6zty-0004vU-B9 for pgsql-committers@arkaria.postgresql.org; Sat, 15 Aug 2020 17:23:30 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1k6ztw-0002cP-7B for pgsql-committers@arkaria.postgresql.org; Sat, 15 Aug 2020 17:23:28 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1k6zqu-0008Sn-P7 for pgsql-committers@lists.postgresql.org; Sat, 15 Aug 2020 17:20:20 +0000 Received: from mahout.postgresql.org ([2001:4800:3e1:1::227]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1k6zqq-00081I-7d for pgsql-committers@lists.postgresql.org; Sat, 15 Aug 2020 17:20:19 +0000 Received: from gemulon.postgresql.org ([72.32.157.198]) by mahout.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1k6zqp-0000hi-F2 for pgsql-committers@lists.postgresql.org; Sat, 15 Aug 2020 17:20:15 +0000 Received: from localhost ([127.0.0.1] helo=gemulon.postgresql.org) by gemulon.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1k6zqp-0008VI-0g for pgsql-committers@lists.postgresql.org; Sat, 15 Aug 2020 17:20:15 +0000 Content-Type: multipart/mixed; boundary="===============5775765932042631455==" MIME-Version: 1.0 From: Noah Misch To: pgsql-committers@lists.postgresql.org Subject: pgsql: Prevent concurrent SimpleLruTruncate() for any given SLRU. X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Sat, 15 Aug 2020 17:20:15 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk --===============5775765932042631455== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 UHJldmVudCBjb25jdXJyZW50IFNpbXBsZUxydVRydW5jYXRlKCkgZm9yIGFueSBnaXZlbiBTTFJV LgoKVGhlIFNpbXBsZUxydVRydW5jYXRlKCkgaGVhZGVyIGNvbW1lbnQgc3RhdGVzIHRoZSBuZXcg Y29kaW5nIHJ1bGUuICBUbwphY2hpZXZlIHRoaXMsIGFkZCBsb2NrdHlwZSAiZnJvemVuaWQiIGFu ZCB0d28gTFdMb2Nrcy4gIFRoaXMgY2xvc2VzIGEKcmFyZSBvcHBvcnR1bml0eSBmb3IgZGF0YSBs b3NzLCB3aGljaCBtYW5pZmVzdGVkIGFzICJhcHBhcmVudAp3cmFwYXJvdW5kIiBvciAiY291bGQg bm90IGFjY2VzcyBzdGF0dXMgb2YgdHJhbnNhY3Rpb24iIGVycm9ycy4gIERhdGEKbG9zcyBpcyBt b3JlIGxpa2VseSBpbiBwZ19tdWx0aXhhY3QsIGR1ZSB0byByZWxlYXNlZCBicmFuY2hlcycgdGhp bgptYXJnaW4gYmV0d2VlbiBtdWx0aVN0b3BMaW1pdCBhbmQgbXVsdGlXcmFwTGltaXQuICBJZiBh IHVzZXIncyBwaHlzaWNhbApyZXBsaWNhdGlvbiBwcmltYXJ5IGxvZ2dlZCAiOiAgYXBwYXJlbnQg d3JhcGFyb3VuZCIgbWVzc2FnZXMsIHRoZSB1c2VyCnNob3VsZCByZWJ1aWxkIHN0YW5kYnlzIG9m IHRoYXQgcHJpbWFyeSByZWdhcmRsZXNzIG9mIHN5bXB0b21zLiAgQXQgbGVzcwpyaXNrIGlzIGEg Y2x1c3RlciBoYXZpbmcgZW1pdHRlZCAibm90IGFjY2VwdGluZyBjb21tYW5kcyIgZXJyb3JzIG9y CiJtdXN0IGJlIHZhY3V1bWVkIiB3YXJuaW5ncyBhdCBzb21lIHBvaW50LiAgT25lIGNhbiB0ZXN0 IGEgY2x1c3RlciBmb3IKdGhpcyBkYXRhIGxvc3MgYnkgcnVubmluZyBWQUNVVU0gRlJFRVpFIGlu IGV2ZXJ5IGRhdGFiYXNlLiAgQmFjay1wYXRjaAp0byA5LjUgKGFsbCBzdXBwb3J0ZWQgdmVyc2lv bnMpLgoKRGlzY3Vzc2lvbjogaHR0cHM6Ly9wb3N0Z3IuZXMvbS8yMDE5MDIxODA3MzEwMy5HQTE0 MzQ3MjNAcmZkLmxlYWRib2F0LmNvbQoKQnJhbmNoCi0tLS0tLQpSRUw5XzVfU1RBQkxFCgpEZXRh aWxzCi0tLS0tLS0KaHR0cHM6Ly9naXQucG9zdGdyZXNxbC5vcmcvcGcvY29tbWl0ZGlmZi8zZmJi ZjY0Y2VlY2JkMGZlNjc1ODUwMDcwZWExZTVkNzdjNDAxYzRmCgpNb2RpZmllZCBGaWxlcwotLS0t LS0tLS0tLS0tLQpkb2Mvc3JjL3NnbWwvY2F0YWxvZ3Muc2dtbCAgICAgICAgICAgIHwgIDQgKysr LQpzcmMvYmFja2VuZC9hY2Nlc3MvdHJhbnNhbS9zbHJ1LmMgICAgIHwgIDggKysrKysrKysKc3Jj L2JhY2tlbmQvYWNjZXNzL3RyYW5zYW0vc3VidHJhbnMuYyB8ICA0ICsrLS0Kc3JjL2JhY2tlbmQv Y29tbWFuZHMvYXN5bmMuYyAgICAgICAgICB8IDM3ICsrKysrKysrKysrKysrKysrKysrKysrKyst LS0tLS0tLS0tCnNyYy9iYWNrZW5kL2NvbW1hbmRzL3ZhY3V1bS5jICAgICAgICAgfCAxMyArKysr KysrKysrKysKc3JjL2JhY2tlbmQvc3RvcmFnZS9sbWdyL2xtZ3IuYyAgICAgICB8IDIwICsrKysr KysrKysrKysrKysrKysKc3JjL2JhY2tlbmQvdXRpbHMvYWR0L2xvY2tmdW5jcy5jICAgICB8IDEy ICsrKysrKysrKysrKwpzcmMvaW5jbHVkZS9zdG9yYWdlL2xtZ3IuaCAgICAgICAgICAgIHwgIDMg KysrCnNyYy9pbmNsdWRlL3N0b3JhZ2UvbG9jay5oICAgICAgICAgICAgfCAxMCArKysrKysrKysr CnNyYy9pbmNsdWRlL3N0b3JhZ2UvbHdsb2NrLmggICAgICAgICAgfCAgNCArKystCjEwIGZpbGVz IGNoYW5nZWQsIDEwMSBpbnNlcnRpb25zKCspLCAxNCBkZWxldGlvbnMoLSkKCg== --===============5775765932042631455==--