MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS
Time period: 02/01/00 through 02/29/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 20,446 300,372
2-4 a.m. 10,710 138,392
4-6 a.m. 8,981 109,027
6-8 a.m. 18,452 255,348
8-10 a.m. 43,848 941,401
10-12 a.m. 74,828 1,859,341
12-2 p.m. 83,197 2,273,068
2-4 p.m. 90,503 2,645,589
4-6 p.m. 71,439 1,994,883
6-8 p.m. 45,115 1,176,766
8-10 p.m. 37,315 928,305
10-12 p.m. 31,047 631,451
__________ _____________ _________________
Total: 535,881 13,253,943
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,000
Davis 319
Irvine 1,341
Los Angeles 523
Riverside 16
San Diego 104
San Francisco 122
Santa Barbara 86
Santa Cruz 103
Lawrence Berkeley 48
Lawrence Livermore 16
Los Alamos 26
MELWEB 413,557
Searchlight 6,660
Other - UC 3,026
Other-Network UC 108,934
_____
535,881
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 12,723
Davis 4,468
Irvine 8,009
Los Angeles 6,731
Riverside 73
San Diego 709
San Francisco 567
Santa Barbara 1,002
Santa Cruz 653
Lawrence Berkeley 310
Lawrence Livermore 244
Los Alamos 332
MELWEB 12,225,992
Searchlight 4,119
Other - UC 55,012
Other-Network UC 932,999
_____
13,253,943
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.3
Standard deviation in seconds 9.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.8
Standard deviation in seconds 1.9
2.0 CATALOG Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 20:54
Average session length (minutes:seconds) 17:52
Longest session recorded (minutes:seconds) 313:31
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 99.1
Retrievals per search - standard deviation 1252.3
Percent of searches completed with 0 results 39.7%
Percent of searches entered that are long 1.8%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 535,881 17.4%
PRESENT 2,344,627 76.3%
INIT or CLOSE 190,770 6.2%
OTHER 3,075 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 136896 16.9% 42,143 30.8% 6 66.1 366.6
CORPORATE AUTHOR 5,337 0.7% 2,355 44.1% 7 251.5 2102.2
EXACT CORP. AUT. 1,064 0.1% 246 23.1% 26 761.1 4001.3
TITLE WORD 190342 23.5% 67,240 35.3% 3 53.6 427.6
EXACT TITLE 50,411 6.2% 23,933 47.5% 2 32.4 284.6
SUBJECT 145346 17.9% 71,498 49.2% 28 432.7 2826.3
EXACT SUBJECT 18,097 2.2% 4,184 23.1% 15 210.7 878.4
UNIFORM TITLE 524 0.1% 115 21.9% 2 290.4 2095.1
SERIES 3,850 0.5% 945 24.5% 6 105.8 468.6
DATE 10,262 1.3% 3,210 31.3% 16 153.7 1764.4
ADDED SINCE 3,550 0.4% 3,318 93.5% 2 97.5 580.2
LANGUAGE 47,109 5.8% 19,475 41.3% 32 424.6 2828.0
LCCN 1,708 0.2% 850 49.8% 1 1.3 1.8
ISBN 34,043 4.2% 23,877 70.1% 1 1.4 16.7
ISSN 491 0.1% 448 91.2% 2 15.7 26.8
DLA ID 6 0.0% 4 66.7% 1 1.0 0.0
MUSIC PUBLISHER 72 0.0% 47 65.3% 3 27.9 63.1
GOV'T DOC NUM 197 0.0% 72 36.5% 1 4.9 39.1
REPORT NUM 53 0.0% 32 60.4% 1 1.2 0.4
STOCK NUM 23 0.0% 1 4.3% 1 343.1 821.7
GPO ITEM NUM 41 0.0% 29 70.7% 292 362.7 492.4
FORM 17,628 2.2% 6,172 35.0% 10 176.0 1210.9
MUSIC KEY 5 0.0% 3 60.0% 131 131.0 165.5
GEO CLASS 4 0.0% 1 25.0% 3 367.3 632.8
THEMATIC NUMBER 131 0.0% 115 87.8% 2 49.2 91.8
SCALE 3 0.0% 1 33.3% 102 102.0 140.0
AT 123353 15.2% 49,105 39.8% 10 169.5 1135.7
Other indexes 19,611 2.4% 5,793 29.5% 5 177.0 1678.8
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 198,338 37.0% 79,924 40.3% 6 170.0 1285.6
Single 337,543 63.0% 132961 39.4% 7 161.1 1770.4
PRESENT commands, by type:
MARC 38.7%
OPAC 43.9%
SCTmm/dd srv.cat MELSRV CATALOG DATABASES Z39.50 SERVER STATISTICS (weekly)