MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 09/01/00 through 09/30/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,345 38,503
2-4 a.m. 273 14,018
4-6 a.m. 160 4,413
6-8 a.m. 429 12,244
8-10 a.m. 3,284 89,480
10-12 a.m. 9,440 268,548
12-2 p.m. 10,223 284,043
2-4 p.m. 11,649 353,174
4-6 p.m. 9,254 286,242
6-8 p.m. 3,650 116,485
8-10 p.m. 2,938 96,521
10-12 p.m. 1,993 61,374
__________ _____________ _________________
Total: 54,638 1,625,045
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1,077
Davis 23
Irvine 13
Los Angeles 34
Riverside 5
San Diego 275
San Francisco 10
Santa Barbara 50
Santa Cruz 10
Lawrence Berkeley 3
Lawrence Livermore 1
Los Alamos 0
MELWEB 46,063
Searchlight 5,031
Other - UC 1,938
Other-Network UC 105
_____
54,638
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 49,055
Davis 236
Irvine 175
Los Angeles 263
Riverside 94
San Diego 118
San Francisco 46
Santa Barbara 1,307
Santa Cruz 87
Lawrence Berkeley 11
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,516,479
Searchlight 16,295
Other - UC 38,805
Other-Network UC 2,074
_____
1,625,045
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.1
Standard deviation in seconds 5.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 21:46
Average session length (minutes:seconds) 21:46
Longest session recorded (minutes:seconds) 266:50
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 1233.9
Retrievals per search - standard deviation 15864
Percent of searches completed with 0 results 23.8%
Percent of searches entered that are long 0.2%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 54,638 13.9%
PRESENT 314,027 80.1%
INIT or CLOSE 22,979 5.9%
OTHER 539 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 9,165 12.4% 2,707 29.5% 6 46.6 371.8
TITLE WORD 7,446 10.1% 2,669 35.8% 6 338.5 3665.7
EXACT TITLE 1,108 1.5% 799 72.1% 1 35.3 225.9
JOURNAL TITLE 4,735 6.4% 2,491 52.6% 14 2116.2 9544.9
EXACT JOURNAL 4,635 6.3% 789 17.0% 826 7113.7 24236.8
SUBJECT WORD 4,331 5.9% 1,842 42.5% 12 323.0 2241.3
EXACT SUBJECT 2,394 3.2% 503 21.0% 14 5970.4 67297.5
KEYWORD 26,505 35.8% 4,460 16.8% 28 960.3 10604.7
DATE 1,748 2.4% 532 30.4% 20 222.3 813.7
ADDED SINCE 661 0.9% 452 68.4% 3 73.9 789.6
PUB TYPE 542 0.7% 222 41.0% 11 915.3 6485.3
SUBFILE 455 0.6% 94 20.7% 27 124.6 297.9
ID 212 0.3% 2 0.9% 1 1.0 0.0
ISSN 13 0.0% 9 69.2% 125 668.8 1172.4
SIC 908 1.2% 1 0.1% 85 575.9 2562.0
ILLUS 30 0.0% 16 53.3% 10 162.0 362.3
ARTICLE 2,449 3.3% 281 11.5% 21 165.8 1138.1
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 6,584 8.9% 1,444 21.9% 28 808.5 5920.4
Other indexes 62 0.1% 40 64.5% 22 352.1 880.1
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 14,878 27.2% 4,733 31.8% 14 521.9 4882.7
Single 39,760 72.8% 8,265 20.8% 26 1972.5 20678.7
PRESENT commands, by type:
MARC 48.0%
OPAC 26.3%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (