MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 02/24/01 through 03/02/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,339 23,566
2-4 a.m. 726 6,406
4-6 a.m. 682 6,982
6-8 a.m. 1,251 10,630
8-10 a.m. 3,961 92,882
10-12 a.m. 7,430 138,877
12-2 p.m. 9,166 162,530
2-4 p.m. 9,553 186,749
4-6 p.m. 7,594 190,838
6-8 p.m. 4,576 86,841
8-10 p.m. 3,193 62,367
10-12 p.m. 2,718 44,892
__________ _____________ _________________
Total: 52,189 1,013,560
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 0
Irvine 125
Los Angeles 0
Riverside 0
San Diego 3
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 3
Los Alamos 0
MELWEB 39,611
Searchlight 3,679
Other - UC 532
Other-Network UC 8,232
_____
52,189
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 305
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 5
Los Alamos 0
MELWEB 998,234
Searchlight 0
Other - UC 2,975
Other-Network UC 12,041
_____
1,013,560
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 2.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.4
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:19
Average session length (minutes:seconds) 16:45
Longest session recorded (minutes:seconds) 193:21
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 74.3
Retrievals per search - standard deviation 1046.9
Percent of searches completed with 0 results 39.3%
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 52,189 19.2%
PRESENT 191,495 70.5%
INIT or CLOSE 27,973 10.3%
OTHER 85 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 TITLE24,003 39.1% 8,715 36.3% 5 164.4 1530.8
EXACT PE TITLE 12,399 20.2% 3,018 24.3% 2 61.0 1343.5
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 1,193 1.9% 1,086 91.0% 3 19.2 52.3
CORP AUTHOR 2,340 3.8% 1,954 83.5% 7 63.7 268.3
EXACT CORP AUTH 161 0.3% 54 33.5% 6 191.6 463.2
SUBJECT 6,222 10.1% 4,013 64.5% 11 266.2 1131.3
EXACT SUBJECT 515 0.8% 176 34.2% 8 436.4 1868.0
SERIES 89 0.1% 72 80.9% 1 39.2 132.4
EXACT SERIES 15 0.0% 7 46.7% 7 47.3 110.2
CODEN 71 0.1% 18 25.4% 1 1.2 0.4
ISBN 2,290 3.7% 2,290 100% 0 0.0 0.0
LCCN 191 0.3% 184 96.3% 1 1.3 0.8
ISSN 4,265 6.9% 336 7.9% 1 1.7 1.2
INDEXED BY 9 0.0% 7 77.8% 375 375.0 130.1
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 157 0.3% 154 98.1% 1 1.0 0.0
GOV'T DOC NUM 6 0.0% 6 100% 0 0.0 0.0
REPORT NUM 2 0.0% 2 100% 0 0.0 0.0
STOCK NUM 4 0.0% 2 50.0% 1 1.0 0.0
GPO ITEM NUM 1 0.0% 0 0.0% 18 18.0 0.0
AT 7,315 11.9% 2,173 29.7% 2 37.4 264.9
RPE 118 0.2% 81 68.6% 3 85.1 280.6
RXPE 32 0.1% 12 37.5% 2 35.6 140.1
Other indexes 30 0.0% 26 86.7% 1,922 1532.8 1049.5
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 9,012 17.3% 3,671 40.7% 2 37.8 264.1
Single 43,177 82.7% 16,840 39.0% 3 139.5 1466.0
PRESENT commands, by type:
MARC 28.9%
OPAC 21.1%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)