MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 12/01/01 through 12/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 21,872 293,925
2-4 a.m. 15,581 187,701
4-6 a.m. 15,892 203,310
6-8 a.m. 25,785 321,032
8-10 a.m. 42,987 808,687
10-12 a.m. 61,311 1,348,385
12-2 p.m. 61,466 1,595,947
2-4 p.m. 62,715 1,695,278
4-6 p.m. 50,865 1,274,894
6-8 p.m. 29,162 649,789
8-10 p.m. 22,423 539,331
10-12 p.m. 23,646 440,928
__________ _____________ _________________
Total: 433,705 9,359,207
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 988
Davis 430
Irvine 322
Los Angeles 256
Riverside 25
San Diego 357
San Francisco 33
Santa Barbara 173
Santa Cruz 99
Lawrence Berkeley 85
Lawrence Livermore 753
Los Alamos 1
MELWEB 0
Searchlight 0
Other - UC 263,751
Other-Network UC 166,432
_____
433,705
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 11,019
Davis 5,364
Irvine 1,578
Los Angeles 2,703
Riverside 717
San Diego 4,604
San Francisco 418
Santa Barbara 1,194
Santa Cruz 1,913
Lawrence Berkeley 1,134
Lawrence Livermore 7,624
Los Alamos 232
MELWEB 0
Searchlight 0
Other - UC 7,728,000
Other-Network UC 1,592,707
_____
9,359,207
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.7
Standard deviation in seconds 5.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 2.0
2.0 CATALOG Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 20:01
Average session length (minutes:seconds) 13:47
Longest session recorded (minutes:seconds) 361:33
Average number of searches completed per session 61958
Retrievals per search - median 1.0
Retrievals per search - average 92.4
Retrievals per search - standard deviation 1189.1
Percent of searches completed with 0 results 38.7%
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 433,705 18.9%
PRESENT 1,659,891 72.2%
INIT or CLOSE 201,662 8.8%
OTHER 3,356 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 108768 17.8% 34,792 32.0% 6 69.1 410.5
CORPORATE AUTHOR 2,914 0.5% 1,334 45.8% 10 423.4 3172.4
EXACT CORP. AUT. 708 0.1% 187 26.4% 16 786.8 3766.8
TITLE WORD 174622 28.7% 62,370 35.7% 4 78.7 621.1
EXACT TITLE 45,025 7.4% 21,504 47.8% 2 33.3 305.1
SUBJECT 76,499 12.6% 37,841 49.5% 27 522.3 2736.7
EXACT SUBJECT 8,192 1.3% 1,760 21.5% 15 247.3 1112.1
UNIFORM TITLE 276 0.0% 69 25.0% 5 463.9 2058.3
SERIES 2,481 0.4% 675 27.2% 10 150.4 1335.6
DATE 7,023 1.2% 2,160 30.8% 9 181.3 3932.1
ADDED SINCE 5,032 0.8% 4,801 95.4% 2 8.8 44.6
LANGUAGE 19,721 3.2% 7,821 39.7% 33 476.9 3375.8
LCCN 5,414 0.9% 1,169 21.6% 1 1.3 2.0
ISBN 44,728 7.3% 22,539 50.4% 1 2.3 38.8
ISSN 1,317 0.2% 1,189 90.3% 2 74.3 336.6
DLA ID 448 0.1% 2 0.4% 1 1.0 0.0
MUSIC PUBLISHER 116 0.0% 88 75.9% 4 320.4 835.2
GOV'T DOC NUM 182 0.0% 68 37.4% 1 385.7 2102.8
REPORT NUM 52 0.0% 31 59.6% 1 3.6 5.6
STOCK NUM 13 0.0% 0 0.0% 1 113.2 403.5
GPO ITEM NUM 45 0.0% 37 82.2% 155 2741.5 7017.4
FORM 9,378 1.5% 2,958 31.5% 10 275.5 4607.9
MUSIC KEY 3 0.0% 1 33.3% 488 488.0 0.0
GEO CLASS 2 0.0% 1 50.0% 13 13.0 0.0
THEMATIC NUMBER 67 0.0% 58 86.6% 17 760.8 1409.5
SCALE 5 0.0% 1 20.0% 3 3.0 1.4
AT 62,495 10.3% 25,476 40.8% 9 168.4 1717.9
Other indexes 33,885 5.6% 12,194 36.0% 8 392.6 1864.2
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 133,196 30.7% 54,017 40.6% 4 183.3 1661.0
Single 300,509 69.3% 113735 37.8% 5 136.9 1449.3
PRESENT commands, by type:
MARC 38.0%
OPAC 47.0%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)