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fil_space_t::add(): Replaces fil_node_create(), fil_node_create_low().
Let the caller pass fil_node_t::handle, to avoid having to close and
re-open files.
fil_node_t::read_page0(): Refactored from fil_node_open_file().
Read the first page of a data file.
fil_node_open_file(): Open the file only once.
srv_undo_tablespace_open(): Set the file handle for the opened
undo tablespace. This should ensure that ut_ad(file->is_open())
no longer fails in recv_add_trim().
xtrabackup_backup_func(): Remove some dead code.
xb_fil_cur_open(): Open files only if needed. Undo tablespaces
should already have been opened.
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Fixes also MDEV-13488: InnoDB writes CRYPT_INFO even though
encryption is not enabled.
Fixes also MDEV-13093: Leak of Datafile::m_crypt_info on
shutdown after failed startup.
Problem was that we created encryption metadata (crypt_data) for
system tablespace even when no encryption was enabled and too early.
System tablespace can be encrypted only using key rotation.
Test innodb-key-rotation-disable, innodb_encryption, innodb_lotoftables
require adjustment because INFORMATION_SCHEMA INNODB_TABLESPACES_ENCRYPTION
contain row only if tablespace really has encryption metadata.
xb_load_single_table_tablespace(): Do not call
fil_space_destroy_crypt_data() any more, because Datafile::m_crypt_data
has been removed.
fil_crypt_realloc_iops(): Avoid divide by zero.
fil_crypt_set_thread_cnt(): Set fil_crypt_threads_event if
encryption threads exist. This is required to find tablespaces
requiring key rotation if no other changes happen.
fil_crypt_find_space_to_rotate(): Decrease the amount of time waiting
when nothing happens to better enable key rotation on startup.
fil_ibd_open(), fil_ibd_load(): Load possible crypt_data from first
page.
class Datafile, class SysTablespace : remove m_crypt_info field.
Datafile::get_first_page(): Return a pointer to first page buffer.
fsp_header_init(): Write encryption metadata to page 0 only if
tablespace is encrypted or encryption is disabled by table option.
i_s_dict_fill_tablespaces_encryption(): Skip tablespaces that do not
contain encryption metadata. This is required to avoid too early
wait condition trigger in encrypted -> unencrypted state transfer.
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Tablespace::shutdown(): Clear m_path. This was moved from
Tablespace::~Tablespace().
LatchDebug::shutdown(): Remove a redundant condition.
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Most notably, this includes MDEV-11623, which includes a fix and
an upgrade procedure for the InnoDB file format incompatibility
that is present in MariaDB Server 10.1.0 through 10.1.20.
In other words, this merge should address
MDEV-11202 InnoDB 10.1 -> 10.2 migration does not work
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MySQL 5.7 introduced partial support for user-created shared tablespaces
(for example, import and export are not supported).
MariaDB Server does not support tablespaces at this point of time.
Let us remove most InnoDB code and data structures that is related
to shared tablespaces.
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- Atomic writes are enabled by default
- Automatically detect if device supports atomic write and use it if
atomic writes are enabled
- Remove ATOMIC WRITE options from CREATE TABLE
- Atomic write is a device option, not a table options as the table may
crash if the media changes
- Add support for SHANNON SSD cards
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The InnoDB source code contains quite a few references to a closed-source
hot backup tool which was originally called InnoDB Hot Backup (ibbackup)
and later incorporated in MySQL Enterprise Backup.
The open source backup tool XtraBackup uses the full database for recovery.
So, the references to UNIV_HOTBACKUP are only cluttering the source code.
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MySQL 5.7 supports only one shared temporary tablespace.
MariaDB 10.2 does not support any other shared InnoDB tablespaces than
the two predefined tablespaces: the persistent InnoDB system tablespace
(default file name ibdata1) and the temporary tablespace
(default file name ibtmp1).
InnoDB is unnecessarily allocating a tablespace ID for the predefined
temporary tablespace on every startup, and it is in several places
testing whether a tablespace ID matches this dynamically generated ID.
We should use a compile-time constant to reduce code size and to avoid
unnecessary updates to the DICT_HDR page at every startup.
Using a hard-coded tablespace ID will should make it easier to remove the
TEMPORARY flag from FSP_SPACE_FLAGS in MDEV-11202.
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Contains also:
MDEV-10549 mysqld: sql/handler.cc:2692: int handler::ha_index_first(uchar*): Assertion `table_share->tmp_table != NO_TMP_TABLE || m_lock_type != 2' failed. (branch bb-10.2-jan)
Unlike MySQL, InnoDB still uses THR_LOCK in MariaDB
MDEV-10548 Some of the debug sync waits do not work with InnoDB 5.7 (branch bb-10.2-jan)
enable tests that were fixed in MDEV-10549
MDEV-10548 Some of the debug sync waits do not work with InnoDB 5.7 (branch bb-10.2-jan)
fix main.innodb_mysql_sync - re-enable online alter for partitioned innodb tables
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Contains also
MDEV-10547: Test multi_update_innodb fails with InnoDB 5.7
The failure happened because 5.7 has changed the signature of
the bool handler::primary_key_is_clustered() const
virtual function ("const" was added). InnoDB was using the old
signature which caused the function not to be used.
MDEV-10550: Parallel replication lock waits/deadlock handling does not work with InnoDB 5.7
Fixed mutexing problem on lock_trx_handle_wait. Note that
rpl_parallel and rpl_optimistic_parallel tests still
fail.
MDEV-10156 : Group commit tests fail on 10.2 InnoDB (branch bb-10.2-jan)
Reason: incorrect merge
MDEV-10550: Parallel replication can't sync with master in InnoDB 5.7 (branch bb-10.2-jan)
Reason: incorrect merge
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