MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 06/01/02 through 06/30/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 7,575 93,695
2-4 a.m. 5,537 46,041
4-6 a.m. 6,782 40,020
6-8 a.m. 11,725 58,642
8-10 a.m. 22,616 263,579
10-12 a.m. 32,914 504,263
12-2 p.m. 33,158 459,935
2-4 p.m. 33,646 542,683
4-6 p.m. 24,519 344,576
6-8 p.m. 14,403 166,292
8-10 p.m. 8,618 108,449
10-12 p.m. 8,118 89,291
__________ _____________ _________________
Total: 209,611 2,717,466
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 31
Davis 5
Irvine 0
Los Angeles 16
Riverside 1
San Diego 2
San Francisco 1
Santa Barbara 0
Santa Cruz 3
Lawrence Berkeley 1
Lawrence Livermore 143
Los Alamos 0
MELWEB 138,663
Searchlight 5,169
Other - UC 861
Other-Network UC 64,715
_____
209,611
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 222
Davis 1
Irvine 0
Los Angeles 47
Riverside 0
San Diego 1
San Francisco 0
Santa Barbara 0
Santa Cruz 15
Lawrence Berkeley 0
Lawrence Livermore 642
Los Alamos 0
MELWEB 2,565,327
Searchlight 0
Other - UC 9,631
Other-Network UC 141,580
_____
2,717,466
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.1
Standard deviation in seconds 1.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.2
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:01
Average session length (minutes:seconds) 15:57
Longest session recorded (minutes:seconds) 305:00
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 42.9
Retrievals per search - standard deviation 751.8
Percent of searches completed with 0 results 38.6%
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 209,611 21.6%
PRESENT 630,173 65.0%
INIT or CLOSE 129,659 13.4%
OTHER 241 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 TITLE77,379 33.3% 34,884 45.1% 5 154.4 1497.9
EXACT PE TITLE 37,675 16.2% 7,329 19.5% 2 30.1 685.2
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 6,481 2.8% 6,032 93.1% 2 14.7 71.9
CORP AUTHOR 11,343 4.9% 10,304 90.8% 6 131.6 817.0
EXACT CORP AUTH 341 0.1% 135 39.6% 10 122.8 244.9
SUBJECT 9,875 4.3% 6,554 66.4% 15 302.2 1097.8
EXACT SUBJECT 703 0.3% 191 27.2% 8 448.8 2314.2
SERIES 128 0.1% 91 71.1% 4 257.4 1023.0
EXACT SERIES 25 0.0% 7 28.0% 10 118.1 158.9
CODEN 49 0.0% 14 28.6% 1 1.1 0.3
ISBN 16,522 7.1% 16,517 100% 1 1.8 1.1
LCCN 2,241 1.0% 2,185 97.5% 1 1.1 0.3
ISSN 54,919 23.6% 4,407 8.0% 1 1.6 1.1
INDEXED BY 11 0.0% 11 100% 0 0.0 0.0
DLA ID 3 0.0% 2 66.7% 1 1.0 0.0
LOCAL NUM 375 0.2% 372 99.2% 5 19.7 28.9
GOV'T DOC NUM 19 0.0% 18 94.7% 54 54.0 0.0
REPORT NUM 8 0.0% 8 100% 0 0.0 0.0
STOCK NUM 6 0.0% 6 100% 0 0.0 0.0
GPO ITEM NUM 4 0.0% 4 100% 0 0.0 0.0
AT 13,832 6.0% 2,988 21.6% 2 38.6 372.7
RPE 119 0.1% 76 63.9% 15 240.3 939.1
RXPE 47 0.0% 28 59.6% 3 36.5 132.8
Other indexes 97 0.0% 74 76.3% 44 1136.5 3470.1
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 22,240 10.6% 11,110 50.0% 2 38.8 371.5
Single 187,371 89.4% 69,714 37.2% 2 72.8 995.8
PRESENT commands, by type:
MARC 33.7%
OPAC 22.3%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)