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Welcome MySQL 8.4 What is new in MySQL8.4 since MySQL 9.0: https://dev.mysql.com/doc/refman/9.0/en/mysql-nutshell.html HINT: MySQL8.4+ supports only 64-bit platforms!!! Sponsored by: Netzkommune GmbH
22 lines
945 B
C++
22 lines
945 B
C++
--- storage/myisam/mi_dynrec.cc.orig 2024-04-10 06:26:28 UTC
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+++ storage/myisam/mi_dynrec.cc
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@@ -86,17 +86,12 @@ bool mi_dynmap_file(MI_INFO *info, my_off_t size) {
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return true;
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}
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/*
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- I wonder if it is good to use MAP_NORESERVE. From the Linux man page:
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- MAP_NORESERVE
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- Do not reserve swap space for this mapping. When swap space is
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- reserved, one has the guarantee that it is possible to modify the
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- mapping. When swap space is not reserved one might get SIGSEGV
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- upon a write if no physical memory is available.
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+ MAP_NORESERVE is unimplemented in FreeBSD
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*/
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info->s->file_map = (uchar *)my_mmap(
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nullptr, (size_t)size,
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info->s->mode == O_RDONLY ? PROT_READ : PROT_READ | PROT_WRITE,
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- MAP_SHARED | MAP_NORESERVE, info->dfile, 0L);
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+ MAP_SHARED, info->dfile, 0L);
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if (info->s->file_map == (uchar *)MAP_FAILED) {
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info->s->file_map = nullptr;
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return true;
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