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Viewing changes to innodb_io_pattern.patch

  • Committer: root
  • Date: 2009-07-03 22:35:42 UTC
  • mfrom: (48.2.1 percona-patches)
  • Revision ID: root@ubuntu-20090703223542-hpfqcpjczh7ksfcx
merge with percona-patches

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Lines of Context:
innodb_io_pattern.patch
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@@ -145,6 +145,11 @@
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 extern ulint   srv_flush_neighbor_pages;
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 extern uint    srv_read_ahead;
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 extern ulint   srv_adaptive_checkpoint;
 
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 extern uint    srv_adaptive_checkpoint;
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+
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+extern volatile ibool srv_io_pattern;
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+extern ulong   srv_io_pattern_trace;
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@@ -344,6 +344,11 @@
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 uint   srv_read_ahead = 3; /* 1: random  2: linear  3: Both */
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 ulint  srv_adaptive_checkpoint = 0; /* 0:disable 1:enable */
 
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 uint   srv_adaptive_checkpoint = 0; /* 0: none  1: reflex  2: estimate */
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+
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+volatile ibool srv_io_pattern = FALSE;
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+ulint   srv_io_pattern_trace = 0;
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@@ -5445,6 +5448,18 @@
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    "Number of background write I/O threads in InnoDB.",
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    (gptr*) &innobase_write_io_threads, (gptr*) &innobase_write_io_threads,
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    0, GET_LONG, REQUIRED_ARG, 1, 1, 64, 0, 0, 0},
 
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    0, GET_LONG, REQUIRED_ARG, 8, 1, 64, 0, 0, 0},
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+  {"innodb_io_pattern_trace", OPT_INNODB_IO_PATTERN_TRACE,
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+   "Create/Drop the internal hash table for IO pattern tracing.",
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+   (gptr*) &srv_io_pattern_trace, (gptr*) &srv_io_pattern_trace,