thank you, i test it on a testserver, now i have the problem that i can't import the contact table. I Dont understand this error and dont understand why the error ist contactgroupmembers and not contacts what i exported..
====================================
2023-04-14 13:22:54 0x7f5d296d2700 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 4 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 8347 srv_active, 0 srv_shutdown, 251443 srv_idle
srv_master_thread log flush and writes: 259712
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 3192
OS WAIT ARRAY INFO: signal count 2195
RW-shared spins 233, rounds 1293, OS waits 27
RW-excl spins 1310, rounds 9265, OS waits 220
RW-sx spins 32, rounds 428, OS waits 11
Spin rounds per wait: 5.55 RW-shared, 7.07 RW-excl, 13.38 RW-sx
------------------------
LATEST FOREIGN KEY ERROR
------------------------
2023-04-14 13:20:08 0x7f5d28f67700 Error in foreign key constraint of table roundcubemail/contactgroupmembers:
there is no index in referenced table which would contain
the columns as the first columns, or the data types in the
referenced table do not match the ones in table. Constraint:
,
CONSTRAINT `contact_id_fk_contacts` FOREIGN KEY (`contact_id`) REFERENCES `contacts` (`contact_id`) ON DELETE CASCADE ON UPDATE CASCADE
The index in the foreign key in table is contactgroupmembers_contact_index
Please refer to
Foreign Keys for correct foreign key definition.
------------
TRANSACTIONS
------------
Trx id counter 10550657
Purge done for trx's n

< 10550656 undo n

< 0 state: running
History list length 17
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421513340879696, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 421513340862672, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 10550656, ACTIVE 0 sec
1 lock struct(s), heap size 1128, 0 row lock(s), undo log entries 1
MySQL thread id 95508, OS thread handle 140038095619840, query id 14033669 localhost 127.0.0.1 es_dpstbxv
---TRANSACTION 421513340871184, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 421513340883952, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 421513340866928, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
--------
FILE I/O
--------
Pending flushes (fsync) log: 0; buffer pool: 0
11529 OS file reads, 4819446 OS file writes, 4781843 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 983.75 writes/s, 984.25 fsyncs/s
-------------------------------------
INSERT BUFFER AND ADAPTIVE HASH INDEX
-------------------------------------
Ibuf: size 1, free list len 0, seg size 2, 0 merges
merged operations:
insert 0, delete mark 0, delete 0
discarded operations:
insert 0, delete mark 0, delete 0
0.00 hash searches/s, 4935.77 non-hash searches/s
---
LOG
---
Log sequence number 2044220626
Log flushed up to 2044220472
Pages flushed up to 1977753549
Last checkpoint at 1977753549
0 pending log flushes, 0 pending chkp writes
4778719 log i/o's done, 984.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 167772160
Dictionary memory allocated 3930168
Buffer pool size 8065
Free buffers 1
Database pages 8064
Old database pages 2956
Modified db pages 1748
Percent of dirty pages(LRU & free pages): 21.671
Max dirty pages percent: 90.000
Pending reads 0
Pending writes: LRU 0, flush list 0
Pages made young 20145, not young 490457
0.00 youngs/s, 0.00 non-youngs/s
Pages read 9938, created 29009, written 40482
0.00 reads/s, 6.00 creates/s, 0.00 writes/s
Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 8064, unzip_LRU len: 0
I/O sum[0]:cur[0], unzip sum[0]:cur[0]
--------------
ROW OPERATIONS
--------------
0 read views open inside InnoDB
Process ID=0, Main thread ID=0, state: sleeping
Number of rows inserted 4821171, updated 1782776, deleted 2062, read 26910736
982.50 inserts/s, 982.25 updates/s, 0.00 deletes/s, 1078.23 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 0
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================