MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 05/01/99 through 05/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,516 15,686
2-4 a.m. 999 9,097
4-6 a.m. 864 6,372
6-8 a.m. 1,517 11,750
8-10 a.m. 5,725 56,789
10-12 a.m. 12,009 116,721
12-2 p.m. 13,241 129,442
2-4 p.m. 14,664 141,756
4-6 p.m. 10,865 100,307
6-8 p.m. 7,037 63,340
8-10 p.m. 5,160 41,271
10-12 p.m. 3,593 38,104
__________ _____________ _________________
Total: 78,190 730,635
1.1 SEARCH commands
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Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 11
Davis 0
Irvine 446
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 1
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 67,297
Other - UC 3,769
Other-Network UC 6,666
_____
78,190
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 28
Davis 0
Irvine 1,321
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 668,668
Other - UC 31,301
Other-Network UC 29,317
_____
730,635
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.4
Standard deviation in seconds 7.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.9
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 22:02
Average session length (minutes:seconds) 22:34
Longest session recorded (minutes:seconds) 244:23
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 79.5
Retrievals per search - standard deviation 1007.9
Percent of searches completed with 0 results 40.1%
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 78,186 25.6%
PRESENT 202,506 66.4%
INIT or CLOSE 24,182 7.9%
OTHER 276 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:
PERIODICAL TITLE34,927 35.1% 10,553 30.2% 5 152.3 1380.0
EXACT PE TITLE 21,976 22.1% 6,704 30.5% 2 54.2 1238.7
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 2,365 2.4% 2,154 91.1% 2 18.5 87.9
CORP AUTHOR 2,751 2.8% 2,101 76.4% 8 104.4 396.2
EXACT CORP AUTH 266 0.3% 106 39.8% 4 70.1 221.9
SUBJECT 15,070 15.2% 10,465 69.4% 13 326.9 1370.3
EXACT SUBJECT 1,267 1.3% 570 45.0% 6 90.6 322.2
SERIES 126 0.1% 100 79.4% 3 56.7 139.3
EXACT SERIES 39 0.0% 28 71.8% 15 227.1 482.8
CODEN 24 0.0% 9 37.5% 1 1.3 0.6
ISBN 211 0.2% 210 99.5% 3 3.0 0.0
LCCN 15 0.0% 15 100% 0 0.0 0.0
ISSN 1,159 1.2% 214 18.5% 1 2.0 4.1
INDEXED BY 20 0.0% 20 100% 0 0.0 0.0
DLA ID 3 0.0% 3 100% 0 0.0 0.0
LOCAL NUM 12 0.0% 3 25.0% 2 13.9 20.7
GOV'T DOC NUM 20 0.0% 19 95.0% 46 46.0 0.0
REPORT NUM 8 0.0% 8 100% 0 0.0 0.0
STOCK NUM 11 0.0% 10 90.9% 1 1.0 0.0
GPO ITEM NUM 2 0.0% 1 50.0% 2 2.0 0.0
AT 18,589 18.7% 7,370 39.6% 2 46.1 301.2
RPE 372 0.4% 222 59.7% 8 164.6 695.3
RXPE 93 0.1% 67 72.0% 6 34.6 113.8
Other indexes 36 0.0% 27 75.0% 59 1518.0 2998.2
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 20,417 26.1% 8,976 44.0% 2 46.8 300.9
Single 57,769 73.9% 22,359 38.7% 4 160.3 1483.8
PRESENT commands, by type:
MARC 46.3%
OPAC 32.3%