Yes, but the bottom line is that Squat does the job needed for end
users, Solr does not

On 2018-12-04 16:53, Michael Slusarz wrote:

On December 4, 2018 at 8:18 AM Aki Tuomi <aki.tu...@open-xchange.com> wrote:

We don't consider it as "very early beta". We consider it production ready. It 
is bit more work to set up though.

FWIW, Squat has been deprecated since 2.0, so none of this should come as a 
surprise.

https://wiki.dovecot.org/Plugins/FTS

Aki

On 04 December 2018 at 17:16 Joan Moreau <j...@grosjo.net> wrote:

Thanks for mySql
For Squat vs Solr, Solr does not reach Squat by very far in terms of
results : If I setup Solr, and search (via the search in Roundbube or
Evolution) for a keyword or part of the keyword, the results are
complete non sense. The diference between "search in full body" and
"search in fields" does not even work. Solr with Dovecot seems very early beta isnt'it ?
On 2018-12-04 15:57, Aki Tuomi wrote:

On 04 December 2018 at 16:46 Joan Moreau via dovecot <dovecot@dovecot.org> 
wrote:

Hi How to solve this ? So many similar segfaults Thank you
On 2018-11-30 06:11, Joan Moreau wrote:

ANother (very very long) example :
# gdb /usr/libexec/dovecot/indexer-worker 
core.indexer-worker.0.3a33f56105e043de802a7dfcee265a07.21017.1543533424000000
GNU gdb (GDB) 8.2
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-pc-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /usr/libexec/dovecot/indexer-worker...done.
[New LWP 21017]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
Core was generated by `dovecot/indexer-worker'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f768b62b13e in file_lock_do (fd=18, path=0x564540376790 "/data/mail/grosjo.net/admin/mailboxes/QoS/dbox-Mails/dovecot.index.search", lock_type=0, lock_method=FILE_LOCK_METHOD_FCNTL, timeout_secs=60, error_r=0x7fff045010b0) at file-lock.c:173
173 {
(gdb) bt full
#0 0x00007f768b62b13e in file_lock_do (fd=18, path=0x564540376790 "/data/mail/grosjo.net/admin/mailboxes/QoS/dbox-Mails/dovecot.index.search", lock_type=0, lock_method=FILE_LOCK_METHOD_FCNTL, timeout_secs=60, error_r=0x7fff045010b0) at file-lock.c:173
lock_type_str = <optimized out>
started = <optimized out>
ret = <optimized out>
__func__ = "file_lock_do"
#1 0x00007f768b62b5b6 in file_wait_lock_error (fd=18, path=0x564540376790 "/data/mail/grosjo.net/admin/mailboxes/QoS/dbox-Mails/dovecot.index.search", lock_type=0, lock_method=FILE_LOCK_METHOD_FCNTL, timeout_secs=<optimized out>, lock_r=0x7fff04501118, error_r=0x7fff045010b0) at file-lock.c:318
lock = <optimized out>
ret = <optimized out>
#2 0x00007f768b62b660 in file_wait_lock (fd=<optimized out>, path=<optimized out>, lock_type=lock_type@entry=0, lock_method=<optimized out>, timeout_secs=timeout_secs@entry=60, lock_r=lock_r@entry=0x7fff04501118) at file-lock.c:303
error = 0x564540376490 ""
ret = <optimized out>
#3 0x00007f768a976c87 in squat_trie_lock (trie=0x564540376490, lock_type=0, 
file_lock_r=0x7fff04501118, dotlock_r=0x7fff04501120) at squat-trie.c:294
ret = <optimized out>
dotlock_r = 0x7fff04501120
file_lock_r = 0x7fff04501118
trie = 0x564540376490
ret = <optimized out>
__func__ = "squat_trie_lock"
lock_type = 0
ret = <optimized out>
__func__ = "squat_trie_lock"
#4 0x00007f768a978627 in squat_trie_map (trie=0x564540376490, building=<optimized 
out>) at squat-trie.c:1487
file_lock = 0x0
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#5 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#6 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#7 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#8 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#9 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, building=<optimized 
out>) at squat-trie.c:1526
file_lock = 0x56454210c850
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#10 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#11 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#12 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#13 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#14 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, building=<optimized 
out>) at squat-trie.c:1526
file_lock = 0x56454210c7b0
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#15 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#16 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#17 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#18 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#19 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, building=<optimized 
out>) at squat-trie.c:1526
file_lock = 0x56454210c710
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#20 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#21 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#22 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#23 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#24 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, building=<optimized 
out>) at squat-trie.c:1526
file_lock = 0x56454210c670
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#25 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#26 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#27 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#28 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#29 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, building=<optimized 
out>) at squat-trie.c:1526
file_lock = 0x56454210c5d0
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#30 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#31 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#32 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#33 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#34 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, building=<optimized 
out>) at squat-trie.c:1526
file_lock = 0x56454210c530
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#35 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#36 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#37 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#38 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#39 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, building=<optimized 
out>) at squat-trie.c:1526
file_lock = 0x56454210c490
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#40 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#41 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#42 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#43 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#44 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, building=<optimized 
out>) at squat-trie.c:1526
file_lock = 0x56454210c3f0
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#45 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#46 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#47 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#48 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#49 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, building=<optimized 
out>) at squat-trie.c:1526
file_lock = 0x56454210c350
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#50 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
#51 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#52 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#53 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#54 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, building=<optimized 
out>) at squat-trie.c:1526
file_lock = 0x56454210c2b0
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#55 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#56 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#57 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#58 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#59 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, building=<optimized 
out>) at squat-trie.c:1526
file_lock = 0x56454210c210
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#60 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#61 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#62 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#63 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#64 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, building=<optimized 
out>) at squat-trie.c:1526
file_lock = 0x56454210c170
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#65 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#66 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#67 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#68 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#69 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, building=<optimized 
out>) at squat-trie.c:1526
file_lock = 0x56454210c0d0
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#70 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#71 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#72 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#73 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#74 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, building=<optimized 
out>) at squat-trie.c:1526
file_lock = 0x56454210c030
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#75 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#76 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#77 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#78 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#79 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, building=<optimized 
out>) at squat-trie.c:1526
file_lock = 0x56454210bf90
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#80 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#81 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#82 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#83 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#84 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, building=<optimized 
out>) at squat-trie.c:1526
file_lock = 0x56454210bef0
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#85 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#86 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#87 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#88 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#89 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, building=<optimized 
out>) at squat-trie.c:1526
file_lock = 0x56454210be50
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#90 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#91 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#92 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#93 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#94 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, building=<optimized 
out>) at squat-trie.c:1526
file_lock = 0x56454210bdb0
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#95 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#96 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#97 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#98 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#99 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, building=<optimized 
out>) at squat-trie.c:1526
file_lock = 0x56454210bd10
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#100 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#101 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#102 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#103 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#104 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, 
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210bc70
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#105 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#106 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#107 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#108 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#109 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, 
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210bbd0
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#110 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#111 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#112 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#113 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#114 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, 
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210bb30
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#115 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#116 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#117 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#118 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#119 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, 
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210ba90
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#120 0x00007f768a97b19d in squat_uidlist_map_header (uidlist=0x5645403767f0) at 
squat-uidlist.c:378
No locals.
#121 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#122 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at 
squat-uidlist.c:546
No locals.
#123 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>) at 
squat-uidlist.c:569
No locals.
#124 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490, 
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210b9f0
dotlock = 0x0
changed = <optimized out> (continues for ages)
On 2018-11-29 19:36, Joan Moreau wrote:

finally managed to locate the dump here the output:
# gdb /usr/libexec/dovecot/auth 
/var/lib/systemd/coredump/core.auth.0.3a33f56105e043de802a7dfcee265a07.28130.1543516118000000
GNU gdb (GDB) 8.2
(gdb) bt full
#0 0x00007f739c35cd7f in raise () from /usr/lib/libc.so.6
No symbol table info available.
#1 0x00007f739c347672 in abort () from /usr/lib/libc.so.6
No symbol table info available.
#2 0x00007f739c39f878 in __libc_message () from /usr/lib/libc.so.6
No symbol table info available.
#3 0x00007f739c3a618a in malloc_printerr () from /usr/lib/libc.so.6
No symbol table info available.
#4 0x00007f739c3a7b27 in _int_free () from /usr/lib/libc.so.6
No symbol table info available.
#5 0x00007f739cc33585 in mysql_close (mysql=0x5636af7abdc0) at 
/usr/src/mariadb-10.3.11/libmariadb/libmariadb/mariadb_lib.c:1939
mysql = 0x5636af7abdc0
p = <optimized out>
p = <optimized out>
#6 0x00005636aef08f7c in driver_sqlpool_disconnect (_db=0x5636af7aaf30) at 
driver-sqlpool.c:590
conn__foreach_end = 0x5636af7ab570
db = 0x5636af7aaf30
conn = 0x5636af7ab560
#7 0x00005636aeefed65 in db_sql_unref (_conn=0x5636af7b0020) at db-sql.c:128
conn = 0x5636af7ae388
#8 0x00005636aeef7e15 in userdb_deinit (userdb=0x5636af7afff8) at userdb.c:191
idx = 0
__func__ = "userdb_deinit"
#9 0x00005636aeede209 in auth_deinit (auth=0x5636af7afd58) at auth.c:335
passdb = <optimized out>
userdb = 0x5636af7aff18
passdb = <optimized out>
userdb = <optimized out>
#10 auths_deinit () at auth.c:433
auth__foreach_end = 0x5636af7ae2f8
auth = 0x5636af7ae2f0
#11 0x00005636aeedcf65 in main_deinit () at main.c:270
l = <optimized out>
l = <optimized out>
l_end = <optimized out>
#12 main (argc=<optimized out>, argv=<optimized out>) at main.c:401
c = <optimized out> On 27.11.2018 8.39, Joan Moreau wrote: Thank you Aki here the requested data (below)
Please not as well that we have numerous subfolders (>50) and pretty big
mailbox sizes (>20G) Bug appears mostly in auth process and index-worker dovecot -n :
# 2.4.devel (de42b54aa): /etc/dovecot/dovecot.conf
# Pigeonhole version 0.6.devel (65909cfa)
# OS: Linux 4.19.4-arch1-1-ARCH x86_64 ext4
# Hostname: gjserver
base_dir = /run/dovecot
default_login_user = dovecot
default_vsz_limit = 16 G
disable_plaintext_auth = no
listen = *
log_path = /var/log/mail/dovecot.log
mail_gid = mail
mail_location = mdbox:/data/mail/%d/%n:ALT=/data/mail/archives/%d/%n
mail_plugins = fts fts_squat
mail_uid = mailusers
managesieve_notify_capability = mailto
managesieve_sieve_capability = fileinto reject envelope
encoded-character vacation subaddress comparator-i;ascii-numeric
relational regex imap4flags copy include variables body enotify
environment mailbox date index ihave duplicate mime foreverypart
extracttext
mdbox_rotate_size = 24 M (...)
passdb {
args = /etc/dovecot/dovecot-sql.conf
driver = sql
}
(the rest default values) fts squat was already deprecated in 2.2, and it's considered obsolete in
2.3. We hopefully get around removing it from 2.4, but you should move
away from it to Solr.

The MySQL crash has been fixed in master, see
https://github.com/dovecot/core/commit/3c5101ffdd2a8115e03ed7180d53578765dea4c9.patch

Aki

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