MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 07/01/99 through 07/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 868 30,114
2-4 a.m. 439 6,810
4-6 a.m. 155 5,299
6-8 a.m. 398 13,292
8-10 a.m. 4,050 116,216
10-12 a.m. 9,584 311,009
12-2 p.m. 11,226 387,551
2-4 p.m. 13,072 452,987
4-6 p.m. 9,777 379,109
6-8 p.m. 4,168 168,410
8-10 p.m. 1,959 70,449
10-12 p.m. 1,755 58,956
__________ _____________ _________________
Total: 57,451 2,000,202
1.1 SEARCH commands
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Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 110
Davis 26
Irvine 73
Los Angeles 39
Riverside 2
San Diego 804
San Francisco 28
Santa Barbara 12
Santa Cruz 211
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 54,274
Other - UC 1,778
Other-Network UC 93
_____
57,451
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1,126
Davis 382
Irvine 1,355
Los Angeles 950
Riverside 0
San Diego 20
San Francisco 176
Santa Barbara 507
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 1
Los Alamos 0
MELWEB 1,961,227
Other - UC 32,170
Other-Network UC 2,288
_____
2,000,202
1.3 Response time
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Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.1
Standard deviation in seconds 6.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 0.9
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 24:44
Average session length (minutes:seconds) 28:44
Longest session recorded (minutes:seconds) 230:29
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 888.5
Retrievals per search - standard deviation 12947
Percent of searches completed with 0 results 26.8%
Percent of searches entered that are long 0.3%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 57,450 12.4%
PRESENT 387,122 83.5%
INIT or CLOSE 17,109 3.7%
OTHER 1,829 0.4%
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 9,187 11.8% 3,126 34.0% 6 59.3 471.7
TITLE WORD 7,288 9.3% 2,545 34.9% 7 418.0 3242.3
EXACT TITLE 1,173 1.5% 808 68.9% 1 108.7 1151.6
JOURNAL TITLE 5,107 6.5% 2,888 56.5% 19 2894.2 10564.4
EXACT JOURNAL 2,994 3.8% 1,089 36.4% 518 3769.5 8970.8
SUBJECT WORD 5,670 7.3% 2,650 46.7% 16 357.7 2258.2
EXACT SUBJECT 3,512 4.5% 802 22.8% 15 4328.2 53617.8
KEYWORD 29,896 38.3% 5,391 18.0% 28 921.1 7304.8
DATE 2,030 2.6% 651 32.1% 17 210.9 1177.7
ADDED SINCE 305 0.4% 206 67.5% 3 19.7 44.4
PUB TYPE 541 0.7% 264 48.8% 13 200.2 1271.6
SUBFILE 478 0.6% 160 33.5% 37 287.4 1468.1
ID 7 0.0% 0 0.0% 1 1.0 0.0
ISSN 11 0.0% 10 90.9% 7,599 7599.0 0.0
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 19 0.0% 18 94.7% 216 216.0 0.0
ARTICLE 1,751 2.2% 297 17.0% 101 1131.0 3527.2
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 7,992 10.2% 2,274 28.5% 33 1014.0 5450.1
Other indexes 64 0.1% 43 67.2% 28 211.4 747.1
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 16,347 28.5% 5,768 35.3% 20 744.3 4309.0
Single 41,103 71.5% 9,605 23.4% 21 1370.7 17288.1
PRESENT commands, by type:
MARC 44.8%
OPAC 31.6%