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Removed options innodb_compress_index_pages and innodb_trim_pct. Both are

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unnecessary. There is a lot more index pages than there is normal pages.
Earlier all pages were compressed and this provided best performance and
compression ratio. Added status variable to show how many non index pages
are written.
This commit is contained in:
Jan Lindström
2014-03-12 14:47:38 +02:00
parent e7df30b8dd
commit 3ea72a2ba9
14 changed files with 50 additions and 62 deletions
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6
storage/xtradb/srv/srv0srv.cc
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@@ -161,10 +161,6 @@ use simulated aio we build below with threads.
Currently we support native aio on windows and linux */
UNIV_INTERN my_bool srv_use_native_aio = TRUE;
/* If this flag is TRUE, then we will use page compression
only for index pages */
UNIV_INTERN my_bool srv_page_compress_index_pages = FALSE;
UNIV_INTERN long srv_trim_pct = 100;
/* Default compression level if page compression is used and no compression
level is set for the table*/
UNIV_INTERN long srv_compress_zlib_level = 6;
@@ -515,6 +511,7 @@ UNIV_INTERN ib_uint64_t srv_page_compression_saved = 0;
UNIV_INTERN ib_uint64_t srv_page_compression_trim_sect512 = 0;
UNIV_INTERN ib_uint64_t srv_page_compression_trim_sect4096 = 0;
UNIV_INTERN ib_uint64_t srv_index_pages_written = 0;
UNIV_INTERN ib_uint64_t srv_non_index_pages_written = 0;
UNIV_INTERN ib_uint64_t srv_pages_page_compressed = 0;
UNIV_INTERN ib_uint64_t srv_page_compressed_trim_op = 0;
UNIV_INTERN ib_uint64_t srv_page_compressed_trim_op_saved = 0;
@@ -1866,6 +1863,7 @@ srv_export_innodb_status(void)
export_vars.innodb_page_compression_trim_sect512 = srv_stats.page_compression_trim_sect512;
export_vars.innodb_page_compression_trim_sect4096 = srv_stats.page_compression_trim_sect4096;
export_vars.innodb_index_pages_written = srv_stats.index_pages_written;
export_vars.innodb_non_index_pages_written = srv_stats.non_index_pages_written;
export_vars.innodb_pages_page_compressed = srv_stats.pages_page_compressed;
export_vars.innodb_page_compressed_trim_op = srv_stats.page_compressed_trim_op;
export_vars.innodb_page_compressed_trim_op_saved = srv_stats.page_compressed_trim_op_saved;