MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 06/01/00 through 06/30/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,836 52,506
2-4 a.m. 2,477 22,916
4-6 a.m. 2,678 27,479
6-8 a.m. 3,887 59,615
8-10 a.m. 10,670 259,746
10-12 a.m. 20,468 493,749
12-2 p.m. 19,681 436,151
2-4 p.m. 22,738 498,678
4-6 p.m. 14,892 370,189
6-8 p.m. 7,661 155,520
8-10 p.m. 5,563 124,196
10-12 p.m. 4,514 99,036
__________ _____________ _________________
Total: 119,065 2,599,781
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 4
Davis 4
Irvine 523
Los Angeles 0
Riverside 0
San Diego 17
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 93,616
Searchlight 8,147
Other - UC 1,118
Other-Network UC 15,636
_____
119,065
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 16
Davis 105
Irvine 1,086
Los Angeles 0
Riverside 0
San Diego 8
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,552,913
Searchlight 0
Other - UC 8,922
Other-Network UC 36,731
_____
2,599,781
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.3
Standard deviation in seconds 1.7
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 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:21
Average session length (minutes:seconds) 16:19
Longest session recorded (minutes:seconds) 248:14
Average number of searches completed per session 8504.6
Retrievals per search - median 1.0
Retrievals per search - average 72.9
Retrievals per search - standard deviation 961.7
Percent of searches completed with 0 results 34.4%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 119,065 17.4%
PRESENT 499,485 73.1%
INIT or CLOSE 64,281 9.4%
OTHER 167 0.0%
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:
PERIODICAL TITLE57,297 41.0% 18,576 32.4% 4 165.7 1538.6
EXACT PE TITLE 31,881 22.8% 7,303 22.9% 2 30.9 634.2
RELATED PE TITLE 0 0.0% 0 0.0% 0 0.0 0.0
EXACT RELATED PE 0 0.0% 0 0.0% 0 0.0 0.0
PERSONAL AUTHOR 4,414 3.2% 3,997 90.6% 2 22.3 163.9
CORP AUTHOR 4,279 3.1% 3,399 79.4% 8 145.8 671.1
EXACT CORP AUTH 370 0.3% 126 34.1% 5 111.5 266.3
SUBJECT 11,668 8.3% 7,615 65.3% 12 299.1 1291.6
EXACT SUBJECT 940 0.7% 292 31.1% 7 146.6 610.4
SERIES 133 0.1% 94 70.7% 3 36.2 83.5
EXACT SERIES 30 0.0% 13 43.3% 20 66.7 89.4
CODEN 11 0.0% 5 45.5% 1 1.7 1.0
ISBN 1,788 1.3% 1,783 99.7% 2 1.6 0.5
LCCN 40 0.0% 35 87.5% 1 1.0 0.0
ISSN 9,579 6.8% 763 8.0% 1 1.6 1.1
INDEXED BY 28 0.0% 25 89.3% 152 200.7 119.7
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 6 0.0% 4 66.7% 25 25.0 32.5
GOV'T DOC NUM 29 0.0% 25 86.2% 24 46.8 64.6
REPORT NUM 6 0.0% 6 100% 0 0.0 0.0
STOCK NUM 1 0.0% 1 100% 0 0.0 0.0
GPO ITEM NUM 3 0.0% 3 100% 0 0.0 0.0
AT 16,996 12.1% 4,174 24.6% 2 46.3 468.7
RPE 262 0.2% 156 59.5% 6 119.0 611.4
RXPE 84 0.1% 52 61.9% 2 24.2 91.6
Other indexes 54 0.0% 33 61.1% 187 1738.2 3836.3
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 20,313 17.1% 7,040 34.7% 2 47.2 468.1
Single 98,752 82.9% 33,958 34.4% 3 124.2 1283.9
PRESENT commands, by type:
MARC 28.4%
OPAC 18.7%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)