MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 05/19/01 through 05/25/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,835 21,843
2-4 a.m. 1,040 13,240
4-6 a.m. 896 7,890
6-8 a.m. 1,546 17,076
8-10 a.m. 3,701 63,535
10-12 a.m. 7,827 135,477
12-2 p.m. 7,830 148,495
2-4 p.m. 9,048 167,520
4-6 p.m. 7,079 115,463
6-8 p.m. 4,280 58,110
8-10 p.m. 3,101 49,897
10-12 p.m. 2,347 34,441
__________ _____________ _________________
Total: 50,530 832,987
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 82
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 38,086
Searchlight 3,259
Other - UC 295
Other-Network UC 8,808
_____
50,530
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 180
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 812,609
Searchlight 0
Other - UC 4,370
Other-Network UC 15,828
_____
832,987
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.2
Standard deviation in seconds 1.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.3
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:07
Average session length (minutes:seconds) 16:28
Longest session recorded (minutes:seconds) 217:02
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 69.3
Retrievals per search - standard deviation 820.6
Percent of searches completed with 0 results 37.3%
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 50,530 20.3%
PRESENT 168,580 67.7%
INIT or CLOSE 29,737 11.9%
OTHER 70 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 TITLE21,336 36.3% 8,192 38.4% 5 191.7 1367.2
EXACT PE TITLE 11,511 19.6% 2,776 24.1% 2 33.1 747.6
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 1,372 2.3% 1,283 93.5% 3 16.5 65.6
CORP AUTHOR 1,989 3.4% 1,677 84.3% 8 207.0 1578.2
EXACT CORP AUTH 96 0.2% 30 31.3% 7 132.2 270.4
SUBJECT 5,255 8.9% 3,421 65.1% 12 277.2 1144.9
EXACT SUBJECT 425 0.7% 141 33.2% 6 357.0 1835.2
SERIES 58 0.1% 51 87.9% 4 7.9 11.2
EXACT SERIES 18 0.0% 10 55.6% 8 58.5 115.2
CODEN 32 0.1% 6 18.8% 1 1.0 0.0
ISBN 2,047 3.5% 2,047 100% 0 0.0 0.0
LCCN 53 0.1% 50 94.3% 1 1.3 0.6
ISSN 8,027 13.7% 625 7.8% 1 1.7 1.1
INDEXED BY 6 0.0% 6 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 103 0.2% 100 97.1% 3 18.0 26.0
GOV'T DOC NUM 4 0.0% 4 100% 0 0.0 0.0
REPORT NUM 2 0.0% 2 100% 0 0.0 0.0
STOCK NUM 6 0.0% 6 100% 0 0.0 0.0
GPO ITEM NUM 1 0.0% 1 100% 0 0.0 0.0
AT 6,331 10.8% 1,905 30.1% 2 38.7 279.0
RPE 67 0.1% 53 79.1% 8 49.8 93.3
RXPE 26 0.0% 10 38.5% 3 8.4 13.1
Other indexes 36 0.1% 19 52.8% 55 317.0 570.6
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 8,059 15.9% 3,379 41.9% 2 38.6 273.9
Single 42,471 84.1% 15,472 36.4% 2 123.1 1114.0
PRESENT commands, by type:
MARC 31.4%
OPAC 21.8%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)