MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 11/24/01 through 11/30/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 7,531 118,440
2-4 a.m. 6,031 70,680
4-6 a.m. 5,684 61,866
6-8 a.m. 9,083 119,211
8-10 a.m. 15,751 307,687
10-12 a.m. 26,352 698,473
12-2 p.m. 27,857 844,492
2-4 p.m. 28,185 919,122
4-6 p.m. 24,156 710,508
6-8 p.m. 15,169 388,179
8-10 p.m. 11,429 318,783
10-12 p.m. 10,566 247,244
__________ _____________ _________________
Total: 187,794 4,804,685
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 337
Davis 179
Irvine 201
Los Angeles 175
Riverside 15
San Diego 66
San Francisco 22
Santa Barbara 95
Santa Cruz 40
Lawrence Berkeley 73
Lawrence Livermore 145
Los Alamos 3
MELWEB 0
Searchlight 0
Other - UC 130,907
Other-Network UC 55,536
_____
187,794
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 4,220
Davis 1,368
Irvine 2,934
Los Angeles 2,484
Riverside 26
San Diego 1,390
San Francisco 146
Santa Barbara 1,325
Santa Cruz 774
Lawrence Berkeley 775
Lawrence Livermore 339
Los Alamos 2
MELWEB 0
Searchlight 0
Other - UC 4,271,614
Other-Network UC 517,288
_____
4,804,685
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.9
Standard deviation in seconds 6.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.5
Standard deviation in seconds 1.7
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 20:15
Average session length (minutes:seconds) 15:01
Longest session recorded (minutes:seconds) 232:51
Average number of searches completed per session 62598
Retrievals per search - median 1.0
Retrievals per search - average 97.2
Retrievals per search - standard deviation 1145.5
Percent of searches completed with 0 results 39.4%
Percent of searches entered that are long 1.5%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 187,794 17.5%
PRESENT 802,618 74.7%
INIT or CLOSE 83,530 7.8%
OTHER 950 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 40,667 14.8% 13,109 32.2% 6 74.8 535.3
CORPORATE AUTHOR 1,287 0.5% 577 44.8% 10 430.7 2817.6
EXACT CORP. AUT. 314 0.1% 66 21.0% 16 854.9 6271.0
TITLE WORD 68,543 24.9% 25,668 37.4% 4 86.6 688.7
EXACT TITLE 16,909 6.1% 8,047 47.6% 2 35.3 260.1
SUBJECT 48,804 17.7% 24,774 50.8% 29 446.8 2687.0
EXACT SUBJECT 5,211 1.9% 1,164 22.3% 16 233.4 801.9
UNIFORM TITLE 144 0.1% 41 28.5% 2 95.6 415.9
SERIES 994 0.4% 229 23.0% 15 121.8 327.5
DATE 2,905 1.1% 879 30.3% 11 99.4 1237.8
ADDED SINCE 1,168 0.4% 1,119 95.8% 2 190.7 972.4
LANGUAGE 12,704 4.6% 5,223 41.1% 37 444.2 2728.8
LCCN 2,210 0.8% 444 20.1% 1 1.4 1.9
ISBN 18,393 6.7% 7,671 41.7% 1 1.5 21.1
ISSN 295 0.1% 281 95.3% 2 10.4 15.9
DLA ID 139 0.1% 0 0.0% 1 1.0 0.0
MUSIC PUBLISHER 186 0.1% 76 40.9% 2 34.9 294.6
GOV'T DOC NUM 60 0.0% 14 23.3% 1 1.4 0.6
REPORT NUM 29 0.0% 16 55.2% 14 404.0 1096.5
STOCK NUM 7 0.0% 1 14.3% 1 79.8 193.1
GPO ITEM NUM 7 0.0% 4 57.1% 803 3731.3 5714.1
FORM 4,095 1.5% 1,390 33.9% 11 245.2 2983.8
MUSIC KEY 8 0.0% 5 62.5% 6 5.3 4.0
GEO CLASS 4 0.0% 0 0.0% 7 10.0 8.8
THEMATIC NUMBER 41 0.0% 36 87.8% 25 1225.8 2603.8
SCALE 12 0.0% 2 16.7% 7 12.5 18.0
AT 37,841 13.7% 15,973 42.2% 11 175.2 812.2
Other indexes 12,443 4.5% 4,844 38.9% 8 382.3 2019.6
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 65,225 34.7% 27,510 42.2% 6 200.4 1470.4
Single 122,569 65.3% 46,470 37.9% 4 140.6 1466.3
PRESENT commands, by type:
MARC 34.3%
OPAC 52.9%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)