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 1k6zu1-0004vT-5e for pgsql-committers@arkaria.postgresql.org; Sat, 15 Aug 2020 17:23:33 +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-0002cQ-7D 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 1k6zqw-0000Oa-0z for pgsql-committers@lists.postgresql.org; Sat, 15 Aug 2020 17:20:22 +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-00081L-89 for pgsql-committers@lists.postgresql.org; Sat, 15 Aug 2020 17:20:20 +0000 Received: from gemulon.postgresql.org ([2001:4800:3e1:1::198]) by mahout.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1k6zqp-0000hc-Es 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 1k6zqo-0008V3-U7 for pgsql-committers@lists.postgresql.org; Sat, 15 Aug 2020 17:20:14 +0000 Content-Type: multipart/mixed; boundary="===============7293842616397533791==" 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 17:20:14 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk --===============7293842616397533791== 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 MzQ3MjNAcmZkLmxlYWRib2F0LmNvbQoKQnJhbmNoCi0tLS0tLQptYXN0ZXIKCkRldGFpbHMKLS0t LS0tLQpodHRwczovL2dpdC5wb3N0Z3Jlc3FsLm9yZy9wZy9jb21taXRkaWZmLzU2NjM3MmIzZDY0 MzU2MzllNGNjNDQ3NmQ3OWI4NTA1YTAyOTdjODcKCk1vZGlmaWVkIEZpbGVzCi0tLS0tLS0tLS0t LS0tCmRvYy9zcmMvc2dtbC9jYXRhbG9ncy5zZ21sICAgICAgICAgICAgICAgfCAgNCArKystCmRv Yy9zcmMvc2dtbC9tb25pdG9yaW5nLnNnbWwgICAgICAgICAgICAgfCAxNiArKysrKysrKysrKysr KwpzcmMvYmFja2VuZC9hY2Nlc3MvdHJhbnNhbS9zbHJ1LmMgICAgICAgIHwgIDggKysrKysrKwpz cmMvYmFja2VuZC9hY2Nlc3MvdHJhbnNhbS9zdWJ0cmFucy5jICAgIHwgIDQgKystLQpzcmMvYmFj a2VuZC9jb21tYW5kcy9hc3luYy5jICAgICAgICAgICAgIHwgMzcgKysrKysrKysrKysrKysrKysr KysrKystLS0tLS0tLS0Kc3JjL2JhY2tlbmQvY29tbWFuZHMvdmFjdXVtLmMgICAgICAgICAgICB8 IDEzICsrKysrKysrKysrCnNyYy9iYWNrZW5kL3N0b3JhZ2UvbG1nci9sbWdyLmMgICAgICAgICAg fCAyMCArKysrKysrKysrKysrKysrKwpzcmMvYmFja2VuZC9zdG9yYWdlL2xtZ3IvbHdsb2NrbmFt ZXMudHh0IHwgIDMgKysrCnNyYy9iYWNrZW5kL3V0aWxzL2FkdC9sb2NrZnVuY3MuYyAgICAgICAg fCAxMiArKysrKysrKysrKwpzcmMvaW5jbHVkZS9zdG9yYWdlL2xtZ3IuaCAgICAgICAgICAgICAg IHwgIDMgKysrCnNyYy9pbmNsdWRlL3N0b3JhZ2UvbG9jay5oICAgICAgICAgICAgICAgfCAxMCAr KysrKysrKysKMTEgZmlsZXMgY2hhbmdlZCwgMTE3IGluc2VydGlvbnMoKyksIDEzIGRlbGV0aW9u cygtKQoK --===============7293842616397533791==--