Hi Micheal,
Here is how it should look:-
~# telnet localhost imap
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
. login user(a)domain.net password
. OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE
SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS THREAD=ORDEREDSUBJECT
MULTIAPPEND URL-PARTIAL CATENATE UNSELECT CHILDREN NAMESPACE UIDPLUS
LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN
CONTEXT=SEARCH LIST-STATUS SPECIAL-USE BINARY MOVE SEARCH=FUZZY QUOTA]
Logged in
. select inbox
* FLAGS (\Answered \Flagged \Deleted \Seen \Draft $Forwarded)
* OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft $Forwarded
\*)] Flags permitted.
* 49319 EXISTS
* 12 RECENT
* OK [UNSEEN 46791] First unseen.
* OK [UIDVALIDITY 1414214135] UIDs valid
* OK [UIDNEXT 106554] Predicted next UID
* OK [NOMODSEQ] No permanent modsequences
. OK [READ-WRITE] Select completed (0.128 secs).
. search text hello
* OK Searched 6% of the mailbox, ETA 2:34
Finally at the end you logout by
. logout
On Thu, Jan 29, 2015 at 4:39 PM, Kevin Laurie <superinterstellar(a)gmail.com>
wrote:
> Dear Michael,
> You will need to telnet locally to imap. So run the following commands in
> your server
>
> 1. telnet localhost imap
> 2. . login email(a)domain.com password
> 3. . select inbox
> 4. . search text "passport" (This command here will search your inbox and
> give you the time needed)
> 5. . logout
>
> Notice the period(.) You need to use it .
>
> Hope this is clear.
> Regards
> Kevin
>
>
> On Thu, Jan 29, 2015 at 4:32 PM, M. Koehler <michael.koehler(a)makomi.de>
> wrote:
>
>> Hi Kevin,
>>
>> I want to test it with my dovecot but I don´t know how to measure it.
>> Could you please provide my the configuration/terminal commands to get an
>> reliable output? I just have mailboxes up to 4GB in VM on a proxmox server
>> (Debian Wheezy at the moment).
>>
>> regards,
>> Michael
>>
>>
>>
>> > Am 29.01.2015 um 06:29 schrieb Kevin Laurie <
>> superinterstellar(a)gmail.com>:
>> >
>> > Dear Peter,
>> > Noted. Thanks for your input. Appreciate it.
>> > At this point my urgent most priority is to get FTS. Waiting 3 mins for
>> a
>> > body search email is bad(but of course my email box is large)
>> > I need to have this sorted out by today as I have been putting this off
>> for
>> > too long mostly because of lack of troubleshooting documentation
>> online(if
>> > i do figure this out will create some for guidance)
>> > Regards
>> > Kevin
>> >
>> > On Thu, Jan 29, 2015 at 1:18 PM, Peter Hodur <petehodur(a)gmail.com>
>> wrote:
>> >
>> >>
>> >>
>> >> On Thursday, January 29, 2015, Kevin Laurie <
>> superinterstellar(a)gmail.com>
>> >> wrote:
>> >>
>> >>> Dear Peter,
>> >>> Oh. Sorry(didnt know you were addressing someone else) my apologies.
>> But
>> >>> as you can see , I am desperately trying to address this issue.
>> >>>
>> >>
>> >> No problem ;))) i wrote because my search result is good but not so
>> >> good as someone wrote here couple of days ago.
>> >>
>> >>
>> >>
>> >>> I have 1 disk with 200GB running on a VPS.
>> >>> The file system is ext4.
>> >>>
>> >>
>> >> Im not dovecot expert, but i think this is your problem. You need more
>> >> iops. If you need performance, VPS may be (if connected to fast SAN)
>> but
>> >> basicly is not a good choice.
>> >>
>> >>
>> >>> I think I will need to implement FTS to fix this as I will need body
>> >>> searches.
>> >>>
>> >>
>> >> FTS could be a solution. You are right.
>> >>
>> >>
>> >>> Have you tried FTS before?
>> >>>
>> >>
>> >> Im sorry, never :(
>> >>
>> >> But may be someone more skilled than me could answer the main question,
>> >> how much dovecot index helps in case imap search agains body.
>> >>
>> >> Im not sure, but my opinion is that it helps little (may be not at all)
>> >>
>> >> Ps: may be you use it, but do not forget to setup delivering from mail
>> >> server via LDA or LMTP instead of direct to maildirs. This is better
>> >> because dovecot updates your indexes at the time of message arrival.
>> Later
>> >> accesses should be faster.
>> >>
>> >> Peter
>> >>
>> >>
>> >>
>> >>>
>> >>>
>> >>> Regards
>> >>> Kevin
>> >>>
>> >>
>> >>>
>> >>> On Thu, Jan 29, 2015 at 12:55 PM, Peter Hodur <petehodur(a)gmail.com>
>> >>> wrote:
>> >>>
>> >>>> Kevin,
>> >>>>
>> >>>> My message was not addressed to you ;) because my results are NOT so
>> >>>> good as someone wrote it here. I can fulltext cca 8k messages in 7-8
>> >>>> seconds.
>> >>>>
>> >>>> Someone wrote that he has results cca 22k messages in 4 seconds :(
>> >>>>
>> >>>> Im not sure, but the answer is may be in the index and disk
>> subsystem.
>> >>>>
>> >>>> If and only if dovecot index does not have saved in the index
>> keywords
>> >>>> from BODY of messages the problem is your/my disk subsystem.
>> >>>>
>> >>>> Generally, messages from mailing list like this are pretty small. The
>> >>>> problem is that dovecot must read all messages. If you have maildir
>> its
>> >>>> mean open and read many files.
>> >>>>
>> >>>> But my test search was agains archive of my personal inbox - so not
>> onoy
>> >>>> small messages like this but also messages with big attachments etc.
>> >>>>
>> >>>> If dovecot index only headers, than it in case of full text search
>> read
>> >>>> whole messages - mime parts allows that plain text body can be after
>> >>>> attachment etc.
>> >>>>
>> >>>> And here is it all about iops and throughput.
>> >>>>
>> >>>> How many disks you have? And what setup?
>> >>>>
>> >>>> Generally, the only good setup is many smaller disks in RAID 10
>> >>>> (stripped mirrors) and if your fs allows it, with added read cache -
>> in
>> >>>> case of zfs: l2arc on ssd.
>> >>>>
>> >>>>
>> >>>>
>> >>>> Pete
>> >>>>
>> >>>>
>> >>>>
>> >>>> On Thursday, January 29, 2015, Kevin Laurie <
>> superinterstellar(a)gmail.com>
>> >>>> wrote:
>> >>>>
>> >>>>> Hi Peter,
>> >>>>> Sorry,
>> >>>>>
>> >>>>> I think its maildir
>> >>>>> Output of my dovecot -n is listed below:-
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>> # 2.2.9: /etc/dovecot/dovecot.conf
>> >>>>> # OS: Linux 3.10.62-xenU-25-0e6777a-x86_64 x86_64 Ubuntu 14.04.1 LTS
>> >>>>> auth_master_user_separator = *
>> >>>>> auth_mechanisms = PLAIN LOGIN
>> >>>>> dict {
>> >>>>> acl = mysql:/etc/dovecot/dovecot-
>> >>>>> share-folder.conf
>> >>>>> quotadict = mysql:/etc/dovecot/dovecot-used-quota.conf
>> >>>>> }
>> >>>>> first_valid_uid = 2000
>> >>>>> last_valid_uid = 2000
>> >>>>> listen = *
>> >>>>> log_path = /var/log/dovecot.log
>> >>>>> mail_debug = yes
>> >>>>> mail_gid = 2000
>> >>>>> mail_location = maildir:/%Lh/Maildir/:INDEX=/%Lh/Maildir/
>> >>>>> mail_plugins = quota fts
>> >>>>> mail_uid = 2000
>> >>>>> 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 ihave
>> >>>>> namespace {
>> >>>>> inbox = yes
>> >>>>> location =
>> >>>>> mailbox Drafts {
>> >>>>> auto = subscribe
>> >>>>> special_use = \Drafts
>> >>>>> }
>> >>>>> mailbox Junk {
>> >>>>> auto = subscribe
>> >>>>> special_use = \Junk
>> >>>>> }
>> >>>>> mailbox Sent {
>> >>>>> auto = subscribe
>> >>>>> special_use = \Sent
>> >>>>> }
>> >>>>> mailbox "Sent Messages" {
>> >>>>> auto = no
>> >>>>> special_use = \Sent
>> >>>>> }
>> >>>>> mailbox Spam {
>> >>>>> auto = no
>> >>>>> special_use = \Junk
>> >>>>> }
>> >>>>> mailbox Trash {
>> >>>>> auto = subscribe
>> >>>>> special_use = \Trash
>> >>>>> }
>> >>>>> prefix =
>> >>>>> separator = /
>> >>>>> type = private
>> >>>>> }
>> >>>>> namespace {
>> >>>>> list = children
>> >>>>> location = maildir:/%%Lh/Maildir/:INDEX=/%%Lh/Maildir/Shared/%%u
>> >>>>> prefix = Shared/%%u/
>> >>>>> separator = /
>> >>>>> subscriptions = yes
>> >>>>> type = shared
>> >>>>> }
>> >>>>> passdb {
>> >>>>> args = /etc/dovecot/dovecot-mysql.conf
>> >>>>> driver = sql
>> >>>>> }
>> >>>>> passdb {
>> >>>>> args = /etc/dovecot/dovecot-master-users-password
>> >>>>> driver = passwd-file
>> >>>>> master = yes
>> >>>>> }
>> >>>>> plugin {
>> >>>>> acl = vfile
>> >>>>> acl_shared_dict = proxy::acl
>> >>>>> auth_socket_path = /var/run/dovecot/auth-master
>> >>>>> quota = dict:user::proxy::quotadict
>> >>>>> quota_rule = *:storage=1G
>> >>>>> quota_warning = storage=85%% quota-warning 85 %u
>> >>>>> quota_warning2 = storage=90%% quota-warning 90 %u
>> >>>>> quota_warning3 = storage=95%% quota-warning 95 %u
>> >>>>> sieve = /%Lh/sieve/dovecot.sieve
>> >>>>> sieve_default = /var/vmail/sieve/dovecot.sieve
>> >>>>> sieve_dir = /%Lh/sieve
>> >>>>> sieve_global_dir = /var/vmail/sieve
>> >>>>> }
>> >>>>> protocols = pop3 imap sieve lmtp
>> >>>>> service auth {
>> >>>>> unix_listener /var/spool/postfix/private/dovecot-auth {
>> >>>>> group = postfix
>> >>>>> mode = 0666
>> >>>>> user = postfix
>> >>>>> }
>> >>>>> unix_listener auth-master {
>> >>>>> group = vmail
>> >>>>> mode = 0666
>> >>>>> user = vmail
>> >>>>> }
>> >>>>> unix_listener auth-userdb {
>> >>>>> group = vmail
>> >>>>> mode = 0660
>> >>>>> user = vmail
>> >>>>> }
>> >>>>> }
>> >>>>> service dict {
>> >>>>> unix_listener dict {
>> >>>>> group = vmail
>> >>>>> mode = 0660
>> >>>>> user = vmail
>> >>>>> }
>> >>>>> }
>> >>>>> service imap-login {
>> >>>>> process_limit = 500
>> >>>>> service_count = 1
>> >>>>> }
>> >>>>> service lmtp {
>> >>>>> executable = lmtp -L
>> >>>>> inet_listener lmtp {
>> >>>>> port = 24
>> >>>>> }
>> >>>>> process_min_avail = 5
>> >>>>> unix_listener /var/spool/postfix/private/dovecot-lmtp {
>> >>>>> group = postfix
>> >>>>> mode = 0600
>> >>>>> user = postfix
>> >>>>> }
>> >>>>> user = vmail
>> >>>>> }
>> >>>>> service pop3-login {
>> >>>>> service_count = 1
>> >>>>> }
>> >>>>> service quota-warning {
>> >>>>> executable = script /usr/local/bin/dovecot-quota-warning.sh
>> >>>>> unix_listener quota-warning {
>> >>>>> group = vmail
>> >>>>> mode = 0660
>> >>>>> user = vmail
>> >>>>> }
>> >>>>> }
>> >>>>> ssl = required
>> >>>>> ssl_cert = </etc/ssl/certs/sicl.net.crt
>> >>>>> ssl_key = </etc/ssl/private/sicl.net.key
>> >>>>> userdb {
>> >>>>> args = /etc/dovecot/dovecot-mysql.conf
>> >>>>> driver = sql
>> >>>>> }
>> >>>>> protocol lda {
>> >>>>> auth_socket_path = /var/run/dovecot/auth-master
>> >>>>> lda_mailbox_autocreate = yes
>> >>>>> log_path = /var/log/dovecot-sieve.log
>> >>>>> mail_plugins = quota fts sieve
>> >>>>> postmaster_address = root
>> >>>>> }
>> >>>>> protocol lmtp {
>> >>>>> info_log_path = /var/log/dovecot-lmtp.log
>> >>>>> lmtp_save_to_detail_mailbox = yes
>> >>>>> mail_plugins = quota sieve
>> >>>>> postmaster_address = postmaster
>> >>>>> recipient_delimiter = +
>> >>>>> }
>> >>>>> protocol imap {
>> >>>>> imap_client_workarounds = tb-extra-mailbox-sep
>> >>>>> mail_plugins = quota fts imap_quota
>> >>>>> }
>> >>>>> protocol pop3 {
>> >>>>> mail_plugins = quota fts
>> >>>>> pop3_client_workarounds = outlook-no-nuls oe-ns-eoh
>> >>>>> pop3_uidl_format = %08Xu%08Xv
>> >>>>> }
>> >>>>>
>> >>>>>
>> >>>>> On Thu, Jan 29, 2015 at 12:37 PM, Kevin Laurie <
>> >>>>> superinterstellar(a)gmail.com> wrote:
>> >>>>>
>> >>>>>> Dear Peter,
>> >>>>>>
>> >>>>>> My inbox is MDA_external
>> >>>>>> Storage: 17GB of 24GB
>> >>>>>>
>> >>>>>> Subject / From / To is fast but FTS(Full Text Search) for body is
>> >>>>>> horrible. I suppose this is where we need Apache Solr.
>> >>>>>>
>> >>>>>> Do you think my mail storage format is bad? Do I need to change for
>> >>>>>> better performance?
>> >>>>>> Please advise
>> >>>>>> Kevin
>> >>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>> On Thu, Jan 29, 2015 at 12:25 PM, Peter Hodur <petehodur(a)gmail.com
>> >
>> >>>>>> wrote:
>> >>>>>>
>> >>>>>>>> * Kevin Laurie <superinterstellar(a)gmail.com> 2015.01.24 19:41:
>> >>>>>>>>
>> >>>>>>>>> Currently the time it takes to search 25,000mails is 4mins. If
>> >>>>>>> indexed
>> >>>>>>>> how
>> >>>>>>>>> much faster are we looking at?
>> >>>>>>>>
>> >>>>>>>> With a current version of Dovecot a search is pretty fast
>> _without_
>> >>>>>>> using
>> >>>>>>>> external indexes. I have a view defined (virtual plugin) with
>> >>>>>>> around 22.000
>> >>>>>>>> messages in it, and searching the full view only takes 2.5
>> seconds:
>> >>>>>>>>
>> >>>>>>>>
>> >>>>>>> hmmm, could you please tell me more about your setup? What storage
>> >>>>>>> format
>> >>>>>>> do you use? Maildir or? What is the cumulative size of your
>> messages?
>> >>>>>>>
>> >>>>>>> My results without FTS on ZFS FS with SSD L2ARC are not so good:
>> >>>>>>>
>> >>>>>>> a4 select INBOX._OLD-OUTLOOK
>> >>>>>>> * FLAGS (\Answered \Flagged \Deleted \Seen \Draft $Junk $NotJunk
>> >>>>>>> JunkRecorded $Forwarded)
>> >>>>>>> * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft
>> $Junk
>> >>>>>>> $NotJunk JunkRecorded $Forwarded \*)] Flags permitted.
>> >>>>>>> ** 7748 EXISTS*
>> >>>>>>> * 0 RECENT
>> >>>>>>> * OK [UIDVALIDITY 1421198037] UIDs valid
>> >>>>>>> * OK [UIDNEXT 11509] Predicted next UID
>> >>>>>>> * OK [HIGHESTMODSEQ 12204] Highest
>> >>>>>>> a4 OK [READ-WRITE] Select completed (0.001 secs).
>> >>>>>>>
>> >>>>>>> a5 search charset utf-8 body "mall"
>> >>>>>>> * SEARCH 2 49 101 117 158 171 185 192 197 202 207 223 228 234 236
>> 240
>> >>>>>>> 249
>> >>>>>>> 279 280 281 287 288 289 290 297 321 327 337 344 351 360 370 373
>> 385
>> >>>>>>> 389 390
>> >>>>>>> 391 398 405 413 424 444 458 463 470 474 480 482 505 513 520 530
>> 531
>> >>>>>>> 532 533
>> >>>>>>> 543 559 560 561 562 563 566 588 593 597 625 630 639 644 656 671
>> 672
>> >>>>>>> 677 692
>> >>>>>>> 720 723 734 738 741 745 752 755 757 765 775 777 784 791 818 820
>> 821
>> >>>>>>> 833 855
>> >>>>>>> 863 864 868 881 896 910 917 922 926 928 931 991 996 997 998 1000
>> 1010
>> >>>>>>> 1011
>> >>>>>>> 1012 1014 1018 1019 1026 1047 1068 1077 1095 1101 1105 1122 1136
>> 1137
>> >>>>>>> 1140
>> >>>>>>> 1155 1160 1166 1171 1179 1180 1197 1208 1229 1239 1258 1263 1271
>> 1282
>> >>>>>>> 1286
>> >>>>>>> 1290 1298 1319 1364 1365 1370 1386 1408 1410 1429 1463 1465 1470
>> 1471
>> >>>>>>> 1494
>> >>>>>>> 1518 1522 1529 1530 1536 1541 1548 1571 1581 1585 1588 1594 1605
>> 1606
>> >>>>>>> 1611
>> >>>>>>> 1612 1619 1620 1625 1652 1666 1667 1729 1730 1731 1732 1733 1734
>> 1735
>> >>>>>>> 1781
>> >>>>>>> 1782 1817 1818 1897 1900 1921 1940 1946 1960 1972 1981 1995 1998
>> 2002
>> >>>>>>> 2006
>> >>>>>>> 2028 2049 2057 2095 2100 2157 2168 2181 2185 2192 2203 2204 2207
>> 2208
>> >>>>>>> 2210
>> >>>>>>> 2220 2225 2255 2273 2282 2283 2288 2289 2317 2320 2340 2367 2374
>> 2377
>> >>>>>>> 2378
>> >>>>>>> 2379 2384 2389 2402 2409 2436 2459 2475 2476 2488 2504 2519 2538
>> 2539
>> >>>>>>> 2551
>> >>>>>>> 2566 2572 2597 2599 2603 2617 2629 2664 2698 2716 2731 2733 2753
>> 2754
>> >>>>>>> 2780
>> >>>>>>> 2805 2808 2815 2818 2850 2861 2862 2867 2886 2896 2900 2914 2931
>> 2936
>> >>>>>>> 2938
>> >>>>>>> 2939 2950 2969 2990 3017 3019 3062 3075 3094 3101 3115 3138 3159
>> 3161
>> >>>>>>> 3178
>> >>>>>>> 3185 3190 3204 3217 3218 3248 3263 3265 3266 3273 3282 3288 3295
>> 3386
>> >>>>>>> 3428
>> >>>>>>> 3453 3476 3478 3479 3511 3548 3606 3629 3693 3694 3737 3793 3799
>> 3801
>> >>>>>>> 3808
>> >>>>>>> 3812 3814 3815 3834 3849 3860 3862 3880 3910 3917 3930 3932 3952
>> 3953
>> >>>>>>> 3954
>> >>>>>>> 3957 3959 3968 3971 3973 3978 3979 3980 4008 4022 4040 4057 4058
>> 4059
>> >>>>>>> 4063
>> >>>>>>> 4064 4066 4069 4070 4075 4096 4112 4131 4132 4133 4141 4143 4144
>> 4145
>> >>>>>>> 4146
>> >>>>>>> 4147 4167 4174 4199 4201 4202 4203 4206 4211 4217 4218 4226 4229
>> 4258
>> >>>>>>> 4259
>> >>>>>>> 4267 4287 4357 4359 4363 4364 4365 4367 4390 4391 4462 4475 4497
>> 4502
>> >>>>>>> 4538
>> >>>>>>> 4540 4552 4557 4558 4561 4563 4567 4571 4572 4573 4575 4577 4593
>> 4594
>> >>>>>>> 4604
>> >>>>>>> 4611 4619 4628 4638 4639 4662 4672 4678 4679 4692 4696 4785 4786
>> 4787
>> >>>>>>> 4788
>> >>>>>>> 4789 4792 4793 4794 4802 4817 4818 4819 4820 4836 4857 4874 4887
>> 4901
>> >>>>>>> 4905
>> >>>>>>> 4906 4907 4908 4911 4925 4928 4940 4941 4953 5060 5103 5116 5118
>> 5129
>> >>>>>>> 5131
>> >>>>>>> 5136 5158 5163 5182 5184 5203 5212 5216 5269 5270 5271 5272 5273
>> 5276
>> >>>>>>> 5277
>> >>>>>>> 5278 5286 5301 5302 5303 5304 5320 5341 5358 5371 5385 5389 5390
>> 5391
>> >>>>>>> 5392
>> >>>>>>> 5395 5409 5412 5424 5425 5437 5544 5587 5600 5602 5613 5615 5620
>> 5642
>> >>>>>>> 5647
>> >>>>>>> 5666 5668 5687 5696 5700 5736 5740 5749 5764 5783 5809 5814 5853
>> 5866
>> >>>>>>> 5867
>> >>>>>>> 5877 5888 5895 5896 5897 5898 5899 5908 5910 5911 5912 5939 5950
>> 5958
>> >>>>>>> 5990
>> >>>>>>> 6000 6059 6074 6095 6097 6112 6137 6141 6189 6193 6212 6228 6229
>> 6233
>> >>>>>>> 6271
>> >>>>>>> 6273 6275 6285 6310 6317 6335 6383 6384 6397 6427 6430 6459 6463
>> 6482
>> >>>>>>> 6492
>> >>>>>>> 6506 6565 6585 6620 6670 6673 6675 6705 6715 6716 6741 6812 6826
>> 6852
>> >>>>>>> 6859
>> >>>>>>> 6895 6896 6907 6913 6919 6935 6943 6948 6979 7023 7025 7035 7039
>> 7042
>> >>>>>>> 7108
>> >>>>>>> 7131 7145 7163 7171 7172 7194 7198 7199 7203 7256 7257 7294 7303
>> 7317
>> >>>>>>> 7322
>> >>>>>>> 7343 7344 7347 7348 7352 7386 7390 7391 7392 7393 7407 7408 7409
>> 7417
>> >>>>>>> 7418
>> >>>>>>> 7419 7420 7421 7426 7432 7437 7462 7467 7468 7473 7474 7475 7488
>> 7502
>> >>>>>>> 7503
>> >>>>>>> 7558 7588 7589 7628 7685 7695 7699 7703 7723
>> >>>>>>> *a5 OK Search completed (7.846 secs).*
>> >>>>>>>
>> >>>>>>>
>> >>>>>>> Searching against "subject" is pretty fast, few miliseconds ...
>> >>>>>>>
>> >>>>>>
>> >>>>>>
>> >>>>>
>> >>>
>>
>>
>