MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 01/01/02 through 01/31/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 25,069 332,694
2-4 a.m. 17,385 196,429
4-6 a.m. 20,277 195,410
6-8 a.m. 36,288 429,590
8-10 a.m. 60,521 1,140,572
10-12 a.m. 91,197 2,153,850
12-2 p.m. 95,634 2,556,681
2-4 p.m. 92,701 2,625,820
4-6 p.m. 70,756 2,036,000
6-8 p.m. 40,271 962,215
8-10 p.m. 30,255 706,776
10-12 p.m. 28,517 534,149
__________ _____________ _________________
Total: 608,871 13,870,186
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,665
Davis 485
Irvine 389
Los Angeles 532
Riverside 20
San Diego 331
San Francisco 72
Santa Barbara 731
Santa Cruz 150
Lawrence Berkeley 67
Lawrence Livermore 660
Los Alamos 0
MELWEB 376,805
Searchlight 12,911
Other - UC 2,046
Other-Network UC 212,007
_____
608,871
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 11,934
Davis 4,054
Irvine 3,431
Los Angeles 10,533
Riverside 212
San Diego 3,585
San Francisco 493
Santa Barbara 5,273
Santa Cruz 1,706
Lawrence Berkeley 1,276
Lawrence Livermore 5,035
Los Alamos 0
MELWEB 11,842,409
Searchlight 4,019
Other - UC 31,576
Other-Network UC 1,944,650
_____
13,870,186
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.8
Standard deviation in seconds 6.8
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 2.9
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 0.0
Average session length (minutes:seconds) 0.0
Longest session recorded (minutes:seconds) 308:58
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 99.8
Retrievals per search - standard deviation 1204.4
Percent of searches completed with 0 results 37.9%
Percent of searches entered that are long 1.4%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 608,871 18.2%
PRESENT 2,443,451 73.1%
INIT or CLOSE 283,345 8.5%
OTHER 6,647 0.2%
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 154330 18.1% 48,551 31.5% 6 67.6 487.8
CORPORATE AUTHOR 4,304 0.5% 1,941 45.1% 10 420.4 3257.2
EXACT CORP. AUT. 750 0.1% 174 23.2% 16 683.8 3809.7
TITLE WORD 248285 29.1% 84,970 34.2% 4 60.7 472.3
EXACT TITLE 66,853 7.8% 30,857 46.2% 2 39.7 365.9
SUBJECT 105646 12.4% 50,952 48.2% 31 662.5 3489.9
EXACT SUBJECT 11,901 1.4% 2,635 22.1% 19 272.8 1101.3
UNIFORM TITLE 432 0.1% 101 23.4% 3 489.5 2452.5
SERIES 3,369 0.4% 979 29.1% 10 117.2 394.9
DATE 10,222 1.2% 3,121 30.5% 11 155.2 1703.9
ADDED SINCE 4,629 0.5% 4,431 95.7% 2 41.2 421.3
LANGUAGE 28,378 3.3% 11,095 39.1% 40 709.3 3783.0
LCCN 6,481 0.8% 1,289 19.9% 1 1.2 1.1
ISBN 56,940 6.7% 30,292 53.2% 1 1.5 23.6
ISSN 1,601 0.2% 1,467 91.6% 3 50.8 192.3
DLA ID 852 0.1% 1 0.1% 1 1.0 0.0
MUSIC PUBLISHER 248 0.0% 148 59.7% 2 61.4 522.0
GOV'T DOC NUM 153 0.0% 45 29.4% 1 1.6 1.7
REPORT NUM 51 0.0% 31 60.8% 1 12.5 50.3
STOCK NUM 15 0.0% 1 6.7% 1 34.1 123.7
GPO ITEM NUM 31 0.0% 20 64.5% 262 534.2 694.7
FORM 14,822 1.7% 4,394 29.6% 10 199.7 1468.5
MUSIC KEY 3 0.0% 1 33.3% 357 357.0 55.2
GEO CLASS 2 0.0% 1 50.0% 18 18.0 0.0
THEMATIC NUMBER 92 0.0% 81 88.0% 5 72.9 153.8
SCALE 15 0.0% 6 40.0% 3 1063.6 3170.4
AT 95,400 11.2% 36,493 38.3% 8 161.7 904.4
Other indexes 37,841 4.4% 13,238 35.0% 6 206.4 1441.7
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 188,332 30.9% 73,390 39.0% 4 189.8 1556.0
Single 420,539 69.1% 157105 37.4% 5 147.8 1510.4
PRESENT commands, by type:
MARC 37.0%
OPAC 48.4%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)