[Tracker] Functions of the files that Tracker created

[Detlef Lechner <Detlef Lechner gmx net>]

Hello, 
My Tracker does not fucnction properly. Therefore I am asking
What is the function of every single file in the following listing?

"~/.cache/tracker$ ls -al
insgesamt 690972
drwxr-xr-x 2 detlef detlef      4096 2008-05-06 05:39 .
drwxr-xr-x 3 detlef detlef      4096 2008-05-05 23:12 ..
-rw------- 1 detlef detlef     12288 2008-05-05 23:12 email-contents.db
-rw------- 1 detlef detlef   2359292 2008-05-06 05:23 email-index.db
-rw------- 1 detlef detlef     98304 2008-05-05 23:12 email-meta.db
-rw------- 1 detlef detlef 240050176 2008-05-06 05:31 file-contents.db
-rw------- 1 detlef detlef  69895560 2008-05-06 05:31 file-index.db
-rw------- 1 detlef detlef   4391320 2008-05-06 05:35 file-index-final
-rw------- 1 detlef detlef  12463736 2008-05-06 00:02 file-index.tmp.10
-rw------- 1 detlef detlef  12948296 2008-05-06 00:19 file-index.tmp.11
-rw------- 1 detlef detlef  12191112 2008-05-06 00:20 file-index.tmp.12
-rw------- 1 detlef detlef  12324592 2008-05-06 00:22 file-index.tmp.13
-rw------- 1 detlef detlef  12458704 2008-05-06 00:24 file-index.tmp.14
-rw------- 1 detlef detlef  11815704 2008-05-06 00:30 file-index.tmp.15
-rw------- 1 detlef detlef  12515528 2008-05-06 00:36 file-index.tmp.16
-rw------- 1 detlef detlef  12020392 2008-05-06 00:37 file-index.tmp.17
-rw------- 1 detlef detlef  12053272 2008-05-06 00:39 file-index.tmp.18
-rw------- 1 detlef detlef  12153248 2008-05-06 00:42 file-index.tmp.19
-rw------- 1 detlef detlef  11666136 2008-05-05 23:28 file-index.tmp.2
-rw------- 1 detlef detlef  11254320 2008-05-06 00:46 file-index.tmp.20
-rw------- 1 detlef detlef  11956016 2008-05-06 00:56 file-index.tmp.21
-rw------- 1 detlef detlef  11497832 2008-05-06 01:00 file-index.tmp.22
-rw------- 1 detlef detlef   2455784 2008-05-06 01:08 file-index.tmp.23
-rw------- 1 detlef detlef  11651128 2008-05-05 23:33 file-index.tmp.3
-rw------- 1 detlef detlef  10085568 2008-05-05 23:33 file-index.tmp.4
-rw------- 1 detlef detlef   9791464 2008-05-05 23:33 file-index.tmp.5
-rw------- 1 detlef detlef  12216864 2008-05-05 23:37 file-index.tmp.6
-rw------- 1 detlef detlef  12683848 2008-05-05 23:40 file-index.tmp.7
-rw------- 1 detlef detlef  12131184 2008-05-05 23:44 file-index.tmp.8
-rw------- 1 detlef detlef  11973640 2008-05-05 23:56 file-index.tmp.9
-rw------- 1 detlef detlef 135187456 2008-05-06 05:31 file-meta.db
-rw------- 1 detlef detlef   2359292 2008-05-06 05:23
file-update-index.db"

Regards,
Detlef Lechner