MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 06/01/02 through 06/30/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 24,647 278,061
2-4 a.m. 17,374 162,388
4-6 a.m. 17,250 143,657
6-8 a.m. 30,241 301,368
8-10 a.m. 48,350 812,344
10-12 a.m. 69,360 1,376,508
12-2 p.m. 68,680 1,525,982
2-4 p.m. 67,642 1,622,485
4-6 p.m. 48,793 1,202,819
6-8 p.m. 30,657 624,134
8-10 p.m. 22,989 525,839
10-12 p.m. 22,667 389,633
__________ _____________ _________________
Total: 468,650 8,965,218
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 984
Davis 729
Irvine 49
Los Angeles 400
Riverside 25
San Diego 359
San Francisco 205
Santa Barbara 518
Santa Cruz 80
Lawrence Berkeley 50
Lawrence Livermore 146
Los Alamos 0
MELWEB 265,562
Searchlight 10,459
Other - UC 2,368
Other-Network UC 186,716
_____
468,650
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 18,683
Davis 5,459
Irvine 754
Los Angeles 4,859
Riverside 151
San Diego 2,805
San Francisco 1,521
Santa Barbara 6,955
Santa Cruz 957
Lawrence Berkeley 1,006
Lawrence Livermore 648
Los Alamos 0
MELWEB 7,445,455
Searchlight 12,548
Other - UC 33,608
Other-Network UC 1,429,809
_____
8,965,218
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 7.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.5
Standard deviation in seconds 4.0
2.0 CATALOG Database Detailed Statistics
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Median session length (minutes:seconds) 20:01
Average session length (minutes:seconds) 14:28
Longest session recorded (minutes:seconds) 369:28
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 74.9
Retrievals per search - standard deviation 2465.9
Percent of searches completed with 0 results 39.7%
Percent of searches entered that are long 1.3%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 468,650 20.0%
PRESENT 1,658,724 70.9%
INIT or CLOSE 210,049 9.0%
OTHER 3,664 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 113118 17.6% 36,630 32.4% 5 61.0 434.0
CORPORATE AUTHOR 3,398 0.5% 1,560 45.9% 7 385.5 4203.5
EXACT CORP. AUT. 979 0.2% 214 21.9% 16 445.5 3727.4
TITLE WORD 198207 30.9% 72,786 36.7% 3 45.6 442.8
EXACT TITLE 43,809 6.8% 19,979 45.6% 2 32.7 308.6
SUBJECT 64,663 10.1% 32,395 50.1% 27 567.2 8744.6
EXACT SUBJECT 7,422 1.2% 1,449 19.5% 17 257.4 1142.2
UNIFORM TITLE 235 0.0% 30 12.8% 2 472.7 1954.6
SERIES 2,736 0.4% 900 32.9% 11 128.9 561.4
DATE 9,023 1.4% 2,903 32.2% 5 98.4 1069.4
ADDED SINCE 4,394 0.7% 4,218 96.0% 2 62.9 535.6
LANGUAGE 16,833 2.6% 6,605 39.2% 34 482.2 3580.6
LCCN 5,910 0.9% 1,300 22.0% 1 1.3 1.7
ISBN 62,323 9.7% 34,857 55.9% 1 1.5 20.3
ISSN 1,246 0.2% 1,100 88.3% 5 27.3 59.4
DLA ID 459 0.1% 4 0.9% 1 1.0 0.0
MUSIC PUBLISHER 186 0.0% 137 73.7% 5 116.6 509.3
GOV'T DOC NUM 136 0.0% 56 41.2% 1 3.6 18.2
REPORT NUM 47 0.0% 29 61.7% 1 1.2 0.4
STOCK NUM 10 0.0% 0 0.0% 1 180.1 431.8
GPO ITEM NUM 43 0.0% 25 58.1% 12 125.1 280.1
FORM 12,254 1.9% 4,611 37.6% 6 146.9 1214.7
MUSIC KEY 5 0.0% 0 0.0% 1 32.8 69.4
GEO CLASS 2 0.0% 0 0.0% 32 31.5 27.6
THEMATIC NUMBER 58 0.0% 54 93.1% 13 20.3 23.3
SCALE 6 0.0% 0 0.0% 7 10.7 13.6
AT 59,847 9.3% 24,024 40.1% 8 171.0 1355.8
Other indexes 33,882 5.3% 11,400 33.6% 4 126.0 3067.0
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 138,773 29.6% 55,647 40.1% 3 120.8 1253.9
Single 329,877 70.4% 130466 39.5% 4 125.7 3691.5
PRESENT commands, by type:
MARC 39.6%
OPAC 45.0%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)