MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 09/01/00 through 09/30/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 22,097 300,476
2-4 a.m. 12,566 184,813
4-6 a.m. 13,688 175,314
6-8 a.m. 24,430 331,504
8-10 a.m. 42,690 781,746
10-12 a.m. 67,461 1,402,750
12-2 p.m. 66,956 1,472,716
2-4 p.m. 68,932 1,629,332
4-6 p.m. 49,920 1,187,217
6-8 p.m. 28,026 473,066
8-10 p.m. 21,784 361,377
10-12 p.m. 20,416 346,498
__________ _____________ _________________
Total: 438,966 8,646,809
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,525
Davis 485
Irvine 904
Los Angeles 492
Riverside 42
San Diego 844
San Francisco 104
Santa Barbara 190
Santa Cruz 173
Lawrence Berkeley 66
Lawrence Livermore 3
Los Alamos 2
MELWEB 282,236
Searchlight 12,971
Other - UC 3,313
Other-Network UC 135,616
_____
438,966
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 13,260
Davis 5,448
Irvine 7,121
Los Angeles 10,468
Riverside 697
San Diego 3,302
San Francisco 1,177
Santa Barbara 4,311
Santa Cruz 1,319
Lawrence Berkeley 571
Lawrence Livermore 35
Los Alamos 111
MELWEB 7,153,815
Searchlight 19,899
Other - UC 52,876
Other-Network UC 1,372,399
_____
8,646,809
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.0
Standard deviation in seconds 6.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.6
Standard deviation in seconds 3.4
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 20:21
Average session length (minutes:seconds) 14:59
Longest session recorded (minutes:seconds) 378:44
Average number of searches completed per session 438966
Retrievals per search - median 1.0
Retrievals per search - average 109.3
Retrievals per search - standard deviation 2199.6
Percent of searches completed with 0 results 38.6%
Percent of searches entered that are long 1.6%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 438,966 19.4%
PRESENT 1,625,095 71.7%
INIT or CLOSE 198,648 8.8%
OTHER 2,712 0.1%
SEARCHes completed: RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. SEARCHes No. Index Median Avg. Dev.
______ _________ ______ _______ ______ __________ _______
By index:
PERSONAL AUTHOR 114523 18.9% 35,260 30.8% 6 71.6 406.0
CORPORATE AUTHOR 4,518 0.7% 1,950 43.2% 5 251.5 1551.2
EXACT CORP. AUT. 726 0.1% 172 23.7% 14 582.0 2756.9
TITLE WORD 171308 28.3% 62,261 36.3% 4 59.0 390.3
EXACT TITLE 49,296 8.1% 23,795 48.3% 2 39.1 435.0
SUBJECT 81,435 13.4% 40,874 50.2% 32 579.5 6432.4
EXACT SUBJECT 9,515 1.6% 2,071 21.8% 14 214.6 887.1
UNIFORM TITLE 368 0.1% 102 27.7% 2 573.1 2760.9
SERIES 3,614 0.6% 1,074 29.7% 8 127.6 1114.5
DATE 8,308 1.4% 2,565 30.9% 9 101.6 1154.1
ADDED SINCE 4,519 0.7% 4,205 93.1% 2 98.1 1392.0
LANGUAGE 22,058 3.6% 8,669 39.3% 39 644.1 4703.3
LCCN 1,596 0.3% 682 42.7% 1 1.2 0.7
ISBN 36,366 6.0% 18,607 51.2% 1 1.7 26.6
ISSN 551 0.1% 492 89.3% 3 21.8 61.6
DLA ID 604 0.1% 5 0.8% 1 1.0 0.0
MUSIC PUBLISHER 55 0.0% 18 32.7% 4 31.0 60.4
GOV'T DOC NUM 117 0.0% 39 33.3% 1 1.3 0.6
REPORT NUM 59 0.0% 41 69.5% 1 1.3 0.7
STOCK NUM 18 0.0% 1 5.6% 1 164.5 275.4
GPO ITEM NUM 30 0.0% 21 70.0% 732 909.3 1045.8
FORM 12,371 2.0% 4,131 33.4% 8 358.7 4814.7
MUSIC KEY 6 0.0% 2 33.3% 175 1112.8 1997.2
GEO CLASS 0 0.0% 0 0.0% 0 0.0 0.0
THEMATIC NUMBER 108 0.0% 90 83.3% 2 13.5 43.3
SCALE 1 0.0% 0 0.0% 1 1.0 0.0
AT 57,074 9.4% 21,091 37.0% 9 176.4 1179.7
Other indexes 26,647 4.4% 8,837 33.2% 7 414.7 2220.9
RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. SEARCHes No. Index Median Avg. Dev.
______ _________ ______ _______ ______ __________ _______
By number of indexes:
Multiple 127,743 29.1% 50,770 39.7% 4 178.9 1721.8
Single 311,223 70.9% 118750 38.2% 6 177.8 3135.6
PRESENT commands, by type:
MARC 41.6%
OPAC 39.2%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)