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The problem is that the seqno part of wsrep XID is always stored in host byte order. This may cause issues when a physical backup is restored on a host with different architecture, the seqno part with XID may have incorrect value. In order to fix this, wsrep XID seqno is always written into XID data buffer in little endian byte order using int8store() and read from data buffer using sint8korr(). For backwards compatibility the seqno is read from TRX_SYS page in host byte order during upgrade. This patch implements byte ordering in wsrep_xid_init(), wsrep_xid_seqno(), and exposes functions to read wsrep XID uuid and seqno in wsrep_service_st. Backwards compatibility for upgrade is provided in trx_rseg_init_wsrep_xid(). |
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| .. | ||
| archive | ||
| blackhole | ||
| cassandra | ||
| connect | ||
| csv | ||
| example | ||
| federated | ||
| federatedx | ||
| heap | ||
| innobase | ||
| maria | ||
| mroonga | ||
| myisam | ||
| myisammrg | ||
| oqgraph | ||
| perfschema | ||
| rocksdb | ||
| sequence | ||
| sphinx | ||
| spider | ||
| test_sql_discovery | ||
| tokudb | ||