peer cluster. Normal replication - problem #1 Put K0, V0, t1 Put K0, V0, t2 t1 t2 Put K0, V0, t5 t4 t3 Region Move Put K0, V0, t1 Put K0, V0, t5 t6 t7 t8 Sequence of mutations in source cluster pub/sub, message system etc. Put K0, V0, t2 Normal replication - problem #2 Put K0, V0, t1 Delete K0, t < t4 t1 t2 Put K0, V0, t2 t4 t3 Region Move Put K0, V0, t1 t6 t7 t9 Mutation sequence in but the peer cluster has a cell (Put K0, V0, t2) in the end. ➢ Data inconsistent happen between source cluster and peer clusters. Delete K0, t < t4 Put K0, V0, t2 t8 Major Compact Redundant cell

of PD cluster, transfer the leadership - Upgrade PD V0 PD V0 (leader) PD V0 PD V1 PD V0 (leader) PD V0 PD V0 PD V0 PD V1 (leader) PD V1 PD V0 PD V1 (leader) PD V1 PD V1 PingCAP.com Upgrading

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CFLAGS (Tom) • Fix DatumGetBool macro to not fail with gcc 4.3 (Tom) This problem affects “old style” (V0) C functions that return boolean. The fix is already in 8.3, but the need to back-patch it was not CFLAGS (Tom) • Fix DatumGetBool macro to not fail with gcc 4.3 (Tom) This problem affects “old style” (V0) C functions that return boolean. The fix is already in 8.3, but the need to back-patch it was not CFLAGS (Tom) • Fix DatumGetBool macro to not fail with gcc 4.3 (Tom) This problem affects “old style” (V0) C functions that return boolean. The fix is already in 8.3, but the need to back-patch it was not

CFLAGS (Tom) • Fix DatumGetBool macro to not fail with gcc 4.3 (Tom) This problem affects “old style” (V0) C functions that return boolean. The fix is already in 8.3, but the need to back-patch it was not CFLAGS (Tom) • Fix DatumGetBool macro to not fail with gcc 4.3 (Tom) This problem affects “old style” (V0) C functions that return boolean. The fix is already in 8.3, but the need to back-patch it was not CFLAGS (Tom) • Fix DatumGetBool macro to not fail with gcc 4.3 (Tom) This problem affects “old style” (V0) C functions that return boolean. The fix is already in 8.3, but the need to back-patch it was not

to not fail with gcc 4.3 (Tom) 1430 Appendix E. Release Notes This problem affects “old style” (V0) C functions that return boolean. The fix is already in 8.3, but the need to back-patch it was not CFLAGS (Tom) • Fix DatumGetBool macro to not fail with gcc 4.3 (Tom) This problem affects “old style” (V0) C functions that return boolean. The fix is already in 8.3, but the need to back-patch it was not CFLAGS (Tom) • Fix DatumGetBool macro to not fail with gcc 4.3 (Tom) This problem affects “old style” (V0) C functions that return boolean. The fix is already in 8.3, but the need to back-patch it was not

CFLAGS (Tom) • Fix DatumGetBool macro to not fail with gcc 4.3 (Tom) This problem affects “old style” (V0) C functions that return boolean. The fix is already in 8.3, but the need to back-patch it was not to not fail with gcc 4.3 (Tom) 1445 Appendix E. Release Notes This problem affects “old style” (V0) C functions that return boolean. The fix is already in 8.3, but the need to back-patch it was not CFLAGS (Tom) • Fix DatumGetBool macro to not fail with gcc 4.3 (Tom) This problem affects “old style” (V0) C functions that return boolean. The fix is already in 8.3, but the need to back-patch it was not

CFLAGS (Tom) • Fix DatumGetBool macro to not fail with gcc 4.3 (Tom) This problem affects “old style” (V0) C functions that return boolean. The fix is already in 8.3, but the need to back-patch it was not CFLAGS (Tom) • Fix DatumGetBool macro to not fail with gcc 4.3 (Tom) This problem affects “old style” (V0) C functions that return boolean. The fix is already in 8.3, but the need to back-patch it was not CFLAGS (Tom) • Fix DatumGetBool macro to not fail with gcc 4.3 (Tom) This problem affects “old style” (V0) C functions that return boolean. The fix is already in 8.3, but the need to back-patch it was not