database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-08-31 22:22:30 +03:00
Code Activity

Fixed merge error on InnoDB page compression level handling.

Browse Source 
Merged page compression feature to XtraDB storage engine.

Added feature where page compression can use lz4 compression
method (innodb_use_lz4, default OFF).
This commit is contained in:
Jan Lindström
2014-02-03 10:08:15 +02:00
parent febe99ec8d
commit 8c5d5bc5de
54 changed files with 5847 additions and 328 deletions
Download Patch File Download Diff File Expand all files Collapse all files

62
storage/xtradb/include/srv0srv.h
View File

@@ -3,6 +3,7 @@
Copyright (c) 1995, 2012, Oracle and/or its affiliates. All rights reserved.
Copyright (c) 2008, 2009, Google Inc.
Copyright (c) 2009, Percona Inc.
Copyright (c) 2013, SkySQL Ab. All Rights Reserved.
Portions of this file contain modifications contributed and copyrighted by
Google, Inc. Those modifications are gratefully acknowledged and are described
@@ -102,6 +103,23 @@ struct srv_stats_t {
a disk page */
ulint_ctr_1_t buf_pool_reads;
/** Number of bytes saved by page compression */
ulint_ctr_64_t page_compression_saved;
/** Number of 512Byte TRIM by page compression */
ulint_ctr_64_t page_compression_trim_sect512;
/** Number of 4K TRIM by page compression */
ulint_ctr_64_t page_compression_trim_sect4096;
/* Number of index pages written */
ulint_ctr_64_t index_pages_written;
/* Number of pages compressed with page compression */
ulint_ctr_64_t pages_page_compressed;
/* Number of TRIM operations induced by page compression */
ulint_ctr_64_t page_compressed_trim_op;
/* Number of TRIM operations saved by using actual write size knowledge */
ulint_ctr_64_t page_compressed_trim_op_saved;
/* Number of pages decompressed with page compression */
ulint_ctr_64_t pages_page_decompressed;
/** Number of data read in total (in bytes) */
ulint_ctr_1_t data_read;
@@ -238,6 +256,27 @@ extern ibool srv_use_native_conditions;
#endif /* __WIN__ */
#endif /* !UNIV_HOTBACKUP */
/* Is page compression used */
extern my_bool srv_compress_pages;
/* Is page compression used only for index pages */
extern my_bool srv_page_compress_index_pages;
/* Frequency of trim operations */
extern long srv_trim_pct;
/* Use trim operation */
extern my_bool srv_use_trim;
/* Use posix fallocate */
extern my_bool srv_use_posix_fallocate;
/* Use atomic writes i.e disable doublewrite buffer */
extern my_bool srv_use_atomic_writes;
/* If this flag IS TRUE, then we use lz4 to compress/decompress pages */
extern my_bool srv_use_lz4;
/** Server undo tablespaces directory, can be absolute path. */
extern char* srv_undo_dir;
@@ -411,10 +450,6 @@ extern my_bool srv_stats_auto_recalc;
extern ibool srv_use_doublewrite_buf;
extern ulong srv_doublewrite_batch_size;
extern ibool srv_use_atomic_writes;
#ifdef HAVE_POSIX_FALLOCATE
extern ibool srv_use_posix_fallocate;
#endif
extern ulong srv_checksum_algorithm;
extern ulong srv_log_arch_expire_sec;
@@ -1058,6 +1093,25 @@ struct export_var_t{
ulint innodb_purge_view_trx_id_age; /*!< rw_max_trx_id
- purged view's min trx_id */
#endif /* UNIV_DEBUG */
ib_int64_t innodb_page_compression_saved;/*!< Number of bytes saved
by page compression */
ib_int64_t innodb_page_compression_trim_sect512;/*!< Number of 512b TRIM
by page compression */
ib_int64_t innodb_page_compression_trim_sect4096;/*!< Number of 4K byte TRIM
by page compression */
ib_int64_t innodb_index_pages_written; /*!< Number of index pages
written */
ib_int64_t innodb_pages_page_compressed;/*!< Number of pages
compressed by page compression */
ib_int64_t innodb_page_compressed_trim_op;/*!< Number of TRIM operations
induced by page compression */
ib_int64_t innodb_page_compressed_trim_op_saved;/*!< Number of TRIM operations
saved by page compression */
ib_int64_t innodb_pages_page_decompressed;/*!< Number of pages
decompressed by page
compression */
};
/** Thread slot in the thread table. */