Percona XtraBackup moved to https://jira.percona.com/projects/PXB

Merge lp:~sergei.glushchenko/percona-xtrabackup/2.3-BT48819-xb-bug1403237 into lp:percona-xtrabackup/2.3

  1. 2.3-BT48819-xb-bug1403237
  2. Merge into 2.3
Proposed by Sergei Glushchenko
Status: Merged
Approved by: Alexey Kopytov
Approved revision: no longer in the source branch.
Merged at revision: 5059
Proposed branch: lp:~sergei.glushchenko/percona-xtrabackup/2.3-BT48819-xb-bug1403237
Merge into: lp:percona-xtrabackup/2.3
Diff against target: 97 lines (+26/-6)
3 files modified
storage/innobase/include/log0log.h (+2/-0)
storage/innobase/log/log0recv.cc (+10/-2)
storage/innobase/xtrabackup/src/xtrabackup.cc (+14/-4)
To merge this branch: bzr merge lp:~sergei.glushchenko/percona-xtrabackup/2.3-BT48819-xb-bug1403237
Reviewer Review Type Date Requested Status
Alexey Kopytov (community) Approve
Review via email: mp+245671@code.launchpad.net
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Revision history for this message
Alexey Kopytov (akopytov) :
review: Approve

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1=== modified file 'storage/innobase/include/log0log.h'
2--- storage/innobase/include/log0log.h 2014-09-15 08:52:36 +0000
3+++ storage/innobase/include/log0log.h 2015-01-06 16:39:20 +0000
4@@ -749,6 +749,8 @@
5 lsn_t lsn; /*!< lsn used to fix coordinates within
6 the log group */
7 lsn_t lsn_offset; /*!< the offset of the above lsn */
8+ lsn_t lsn_offset_alt; /*!< alternative lsn offset for PS 5.5
9+ with large log files */
10 ulint n_pending_writes;/*!< number of currently pending flush
11 writes for this log group */
12 byte** file_header_bufs_ptr;/*!< unaligned buffers */
13
14=== modified file 'storage/innobase/log/log0recv.cc'
15--- storage/innobase/log/log0recv.cc 2014-12-28 13:11:05 +0000
16+++ storage/innobase/log/log0recv.cc 2015-01-06 16:39:20 +0000
17@@ -800,8 +800,16 @@
18 buf + LOG_CHECKPOINT_LSN);
19 group->lsn_offset = mach_read_from_4(
20 buf + LOG_CHECKPOINT_OFFSET_LOW32);
21- group->lsn_offset |= ((lsn_t) mach_read_from_4(
22- buf + LOG_CHECKPOINT_OFFSET_HIGH32)) << 32;
23+ group->lsn_offset_alt = group->lsn_offset;
24+ if (group->file_size * group->n_files >
25+ 4294967296ULL /* 4GiB */) {
26+ group->lsn_offset |= ((lsn_t) mach_read_from_4(
27+ buf + LOG_CHECKPOINT_OFFSET_HIGH32))
28+ << 32;
29+ group->lsn_offset_alt =
30+ ((lsn_t) mach_read_from_8(
31+ buf + LOG_CHECKPOINT_ARCHIVED_LSN));
32+ }
33 checkpoint_no = mach_read_from_8(
34 buf + LOG_CHECKPOINT_NO);
35
36
37=== modified file 'storage/innobase/xtrabackup/src/xtrabackup.cc'
38--- storage/innobase/xtrabackup/src/xtrabackup.cc 2014-12-22 11:27:03 +0000
39+++ storage/innobase/xtrabackup/src/xtrabackup.cc 2015-01-06 16:39:20 +0000
40@@ -2062,7 +2062,7 @@
41 }
42
43 static my_bool
44-xtrabackup_copy_logfile(lsn_t from_lsn, my_bool is_last)
45+xtrabackup_copy_logfile(lsn_t from_lsn, my_bool is_last, my_bool is_first)
46 {
47 /* definition from recv_recovery_from_checkpoint_start() */
48 log_group_t* group;
49@@ -2095,6 +2095,7 @@
50
51 mutex_enter(&log_sys->mutex);
52
53+retry_read:
54 log_group_read_log_seg(LOG_RECOVER, log_sys->buf,
55 group, start_lsn, end_lsn);
56
57@@ -2124,6 +2125,15 @@
58 blocks_in_group = log_block_convert_lsn_to_no(
59 log_group_get_capacity(group)) - 1;
60
61+ /* Can be just wrong lsn_offset. Is it PS 5.5 with large
62+ log files? */
63+ if (is_first &&
64+ group->lsn_offset != group->lsn_offset_alt) {
65+ group->lsn_offset = group->lsn_offset_alt;
66+ is_first = FALSE;
67+ goto retry_read;
68+ }
69+
70 if (no < scanned_no ||
71 /* Log block numbers wrap around at 0x3FFFFFFF */
72 ((scanned_no | 0x40000000UL) - no) %
73@@ -2302,7 +2312,7 @@
74 0);
75 if (log_copying) {
76 if(xtrabackup_copy_logfile(log_copy_scanned_lsn,
77- FALSE)) {
78+ FALSE, FALSE)) {
79
80 exit(EXIT_FAILURE);
81 }
82@@ -2310,7 +2320,7 @@
83 }
84
85 /* last copying */
86- if(xtrabackup_copy_logfile(log_copy_scanned_lsn, TRUE)) {
87+ if(xtrabackup_copy_logfile(log_copy_scanned_lsn, TRUE, FALSE)) {
88
89 exit(EXIT_FAILURE);
90 }
91@@ -3554,7 +3564,7 @@
92
93
94 /* copy log file by current position */
95- if(xtrabackup_copy_logfile(checkpoint_lsn_start, FALSE))
96+ if(xtrabackup_copy_logfile(checkpoint_lsn_start, FALSE, TRUE))
97 exit(EXIT_FAILURE);
98
99

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