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Wed, 03 Sep 2025 18:58:16 +0000 Content-Type: multipart/mixed; boundary="===============9122056264081508131==" MIME-Version: 1.0 From: Nathan Bossart To: pgsql-committers@lists.postgresql.org Subject: pgsql: Move dynamically-allocated LWLock tranche names to shared memory X-Auto-Response-Suppress: All Auto-Submitted: auto-generated Message-Id: Date: Wed, 03 Sep 2025 18:58:16 +0000 List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk --===============9122056264081508131== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 TW92ZSBkeW5hbWljYWxseS1hbGxvY2F0ZWQgTFdMb2NrIHRyYW5jaGUgbmFtZXMgdG8gc2hhcmVk IG1lbW9yeS4KClRoZXJlIGFyZSB0d28gd2F5cyBmb3Igc2hhcmVkIGxpYnJhcmllcyB0byBhbGxv Y2F0ZSB0aGVpciBvd24KTFdMb2NrIHRyYW5jaGVzLiAgT25lIHdheSBpcyB0byBjYWxsIFJlcXVl c3ROYW1lZExXTG9ja1RyYW5jaGUoKSBpbgphIHNobWVtX3JlcXVlc3RfaG9vaywgd2hpY2ggcmVx dWlyZXMgdGhlIGxpYnJhcnkgdG8gYmUgbG9hZGVkIHZpYQpzaGFyZWRfcHJlbG9hZF9saWJyYXJp ZXMuICBUaGUgb3RoZXIgd2F5IGlzIHRvIGNhbGwKTFdMb2NrTmV3VHJhbmNoZUlkKCksIHdoaWNo IGlzIG5vdCBzdWJqZWN0IHRvIHRoZSBzYW1lCnJlc3RyaWN0aW9ucy4gIEhvd2V2ZXIsIExXTG9j a05ld1RyYW5jaGVJZCgpIGRvZXMgcmVxdWlyZSBlYWNoCmJhY2tlbmQgdG8gc3RvcmUgdGhlIHRy YW5jaGUncyBuYW1lIGluIGJhY2tlbmQtbG9jYWwgbWVtb3J5IHZpYQpMV0xvY2tSZWdpc3RlclRy YW5jaGUoKS4gIFRoaXMgQVBJIGlzIGEgbGl0dGxlIGN1bWJlcnNvbWUgYW5kIGxlYWRzCnRvIHRo aW5ncyBsaWtlIHVuaGVscGZ1bCBwZ19zdGF0X2FjdGl2aXR5LndhaXRfZXZlbnQgdmFsdWVzIGlu CmJhY2tlbmRzIHRoYXQgaGF2ZW4ndCBsb2FkZWQgdGhlIGxpYnJhcnkuCgpUaGlzIGNvbW1pdCBt b3ZlcyB0aGVzZSBMV0xvY2sgdHJhbmNoZSBuYW1lcyB0byBzaGFyZWQgbWVtb3J5LCB0aHVzCmVs aW1pbmF0aW5nIHRoZSBuZWVkIGZvciBlYWNoIGJhY2tlbmQgdG8gY2FsbApMV0xvY2tSZWdpc3Rl clRyYW5jaGUoKS4gIEluc3RlYWQsIHRoZSB0cmFuY2hlIG5hbWUgbXVzdCBiZQpwcm92aWRlZCB0 byBMV0xvY2tOZXdUcmFuY2hlSWQoKSwgd2hpY2ggaW1tZWRpYXRlbHkgbWFrZXMgdGhlIG5hbWUK YXZhaWxhYmxlIHRvIGFsbCBiYWNrZW5kcy4gIFNpbmNlIHRoZSB0cmFuY2hlIG5hbWUgYXJyYXkg aXMKYXBwZW5kLW9ubHksIGxvb2t1cHMgY2FuIG9yZGluYXJpbHkgYXZvaWQgbG9ja2luZyBhcyBs b25nIGFzIHRoZWlyCmxvY2FsIGNvcHkgb2YgdGhlIExXTG9jayBjb3VudGVyIGlzIGdyZWF0ZXIg dGhhbiB0aGUgcmVxdWVzdGVkCnRyYW5jaGUgSUQuCgpPbmUgZG93bnNpZGUgb2YgdGhpcyBhcHBy b2FjaCBpcyB0aGF0IHdlIG5vdyBoYXZlIGEgaGFyZCBsaW1pdCBvbgpib3RoIHRoZSBsZW5ndGgg b2YgdHJhbmNoZSBuYW1lcyAoTkFNRURBVEFMRU4tMSBieXRlcykgYW5kIHRoZQpudW1iZXIgb2Yg ZHluYW1pY2FsbHktYWxsb2NhdGVkIHRyYW5jaGVzICgyNTYpLiAgQmVzaWRlcyBhIGxpbWl0IG9m Ck5BTUVEQVRBTEVOLTEgYnl0ZXMgZm9yIHRyYW5jaGUgbmFtZXMgcmVnaXN0ZXJlZCB2aWEKUmVx dWVzdE5hbWVkTFdMb2NrVHJhbmNoZSgpLCBubyBzdWNoIGxpbWl0cyBwcmV2aW91c2x5IGV4aXN0 ZWQuICBXZQpjb3VsZCBhdm9pZCB0aGVzZSBuZXcgbGltaXRzIGJ5IHVzaW5nIGR5bmFtaWMgc2hh cmVkIG1lbW9yeSwgYnV0CnRoZSBjb21wbGV4aXR5IGludm9sdmVkIGRpZG4ndCBzZWVtIHdvcnRo IGl0LiAgV2UgYnJpZWZseQpjb25zaWRlcmVkIG1ha2luZyB0aGUgdHJhbmNoZSBsaW1pdCB1c2Vy LWNvbmZpZ3VyYWJsZSBidXQKdWx0aW1hdGVseSBkZWNpZGVkIGFnYWluc3QgdGhhdCwgdG9vLiAg U2luY2UgdGhlcmUgaXMgc3RpbGwgYSBsb3QKb2YgdGltZSBsZWZ0IGluIHRoZSB2MTkgZGV2ZWxv cG1lbnQgY3ljbGUsIGl0J3MgcG9zc2libGUgd2Ugd2lsbApyZXZpc2l0IHRoaXMgY2hvaWNlLgoK QXV0aG9yOiBTYW1pIEltc2VpaCA8c2FtaW1zZWloQGdtYWlsLmNvbT4KUmV2aWV3ZWQtYnk6IEJl cnRyYW5kIERyb3V2b3QgPGJlcnRyYW5kZHJvdXZvdC5wZ0BnbWFpbC5jb20+ClJldmlld2VkLWJ5 OiBUb20gTGFuZSA8dGdsQHNzcy5wZ2gucGEudXM+ClJldmlld2VkLWJ5OiBSYWhpbGEgU3llZCA8 cmFoaWxhc3llZDkwQGdtYWlsLmNvbT4KUmV2aWV3ZWQtYnk6IEFuZHJlcyBGcmV1bmQgPGFuZHJl c0BhbmFyYXplbC5kZT4KRGlzY3Vzc2lvbjogaHR0cHM6Ly9wb3N0Z3IuZXMvbS9DQUE1UlowdnZF RDNuYXBoOE15OFN6djZETDRBeE9WSzNlVFBTMHFYc2FLaSUzRGJWZFcyQSU0MG1haWwuZ21haWwu Y29tCgpCcmFuY2gKLS0tLS0tCm1hc3RlcgoKRGV0YWlscwotLS0tLS0tCmh0dHBzOi8vZ2l0LnBv c3RncmVzcWwub3JnL3BnL2NvbW1pdGRpZmYvMzhiNjAyYjAyODlmZTFkYmFmMzFkNTczN2ZiYTJk NDJhMWU5MDM3MQoKTW9kaWZpZWQgRmlsZXMKLS0tLS0tLS0tLS0tLS0KY29udHJpYi9wZ19wcmV3 YXJtL2F1dG9wcmV3YXJtLmMgICAgICAgICAgICAgICAgICAgfCAgIDMgKy0KZG9jL3NyYy9zZ21s L3hmdW5jLnNnbWwgICAgICAgICAgICAgICAgICAgICAgICAgICAgfCAgMTUgKy0Kc3JjL2JhY2tl bmQvcG9zdG1hc3Rlci9sYXVuY2hfYmFja2VuZC5jICAgICAgICAgICAgfCAgIDYgKy0Kc3JjL2Jh Y2tlbmQvc3RvcmFnZS9pcGMvZHNtX3JlZ2lzdHJ5LmMgICAgICAgICAgICAgfCAgMTIgKy0Kc3Jj L2JhY2tlbmQvc3RvcmFnZS9sbWdyL2x3bG9jay5jICAgICAgICAgICAgICAgICAgfCAyMTYgKysr KysrKysrKy0tLS0tLS0tLS0tCnNyYy9pbmNsdWRlL3N0b3JhZ2UvbHdsb2NrLmggICAgICAgICAg ICAgICAgICAgICAgIHwgIDI1ICstLQpzcmMvdGVzdC9tb2R1bGVzL3Rlc3RfZHNhL3Rlc3RfZHNh LmMgICAgICAgICAgICAgICB8ICAgNiArLQouLi4vbW9kdWxlcy90ZXN0X2RzbV9yZWdpc3RyeS90 ZXN0X2RzbV9yZWdpc3RyeS5jICB8ICAgMyArLQpzcmMvdGVzdC9tb2R1bGVzL3Rlc3RfcmFkaXh0 cmVlL3Rlc3RfcmFkaXh0cmVlLmMgICB8ICAgOSArLQpzcmMvdGVzdC9tb2R1bGVzL3Rlc3Rfc2xy dS90ZXN0X3NscnUuYyAgICAgICAgICAgICB8ICAgNiArLQpzcmMvdGVzdC9tb2R1bGVzL3Rlc3Rf dGlkc3RvcmUvdGVzdF90aWRzdG9yZS5jICAgICB8ICAgMyArLQoxMSBmaWxlcyBjaGFuZ2VkLCAx MzAgaW5zZXJ0aW9ucygrKSwgMTc0IGRlbGV0aW9ucygtKQoK --===============9122056264081508131==--