MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 06/01/99 through 06/30/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,405 15,168
2-4 a.m. 1,378 8,682
4-6 a.m. 1,210 7,420
6-8 a.m. 1,967 15,047
8-10 a.m. 6,313 66,175
10-12 a.m. 11,418 122,528
12-2 p.m. 11,697 127,518
2-4 p.m. 12,850 132,789
4-6 p.m. 8,634 92,673
6-8 p.m. 4,867 44,054
8-10 p.m. 3,720 29,255
10-12 p.m. 3,196 24,608
__________ _____________ _________________
Total: 70,655 685,917
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 13
Davis 0
Irvine 138
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 56,489
Other - UC 3,542
Other-Network UC 10,472
_____
70,655
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 111
Davis 0
Irvine 336
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 626,025
Other - UC 29,409
Other-Network UC 30,036
_____
685,917
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 3.9
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.4
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 21:30
Average session length (minutes:seconds) 20:37
Longest session recorded (minutes:seconds) 257:27
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 74.5
Retrievals per search - standard deviation 1021.2
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 70,651 24.7%
PRESENT 190,505 66.6%
INIT or CLOSE 24,628 8.6%
OTHER 141 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 TITLE34,200 39.8% 10,408 30.4% 5 151.5 1499.3
EXACT PE TITLE 20,140 23.4% 6,684 33.2% 2 41.4 943.7
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 3,161 3.7% 2,789 88.2% 2 24.4 204.4
CORP AUTHOR 2,578 3.0% 1,999 77.5% 8 145.3 637.5
EXACT CORP AUTH 261 0.3% 99 37.9% 4 75.7 237.0
SUBJECT 9,695 11.3% 6,691 69.0% 14 281.1 1104.1
EXACT SUBJECT 735 0.9% 292 39.7% 6 146.3 1195.8
SERIES 109 0.1% 89 81.6% 3 48.1 129.2
EXACT SERIES 34 0.0% 18 52.9% 18 54.6 84.6
CODEN 43 0.1% 15 34.9% 1 1.4 0.6
ISBN 828 1.0% 828 100% 0 0.0 0.0
LCCN 12 0.0% 12 100% 0 0.0 0.0
ISSN 745 0.9% 151 20.3% 2 2.7 16.5
INDEXED BY 20 0.0% 17 85.0% 2,231 1502.3 1286.4
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 20 0.0% 4 20.0% 1 7.7 15.7
GOV'T DOC NUM 22 0.0% 20 90.9% 24 24.0 31.1
REPORT NUM 6 0.0% 6 100% 0 0.0 0.0
STOCK NUM 8 0.0% 8 100% 0 0.0 0.0
GPO ITEM NUM 4 0.0% 3 75.0% 4 4.0 0.0
AT 12,973 15.1% 4,570 35.2% 2 48.9 447.8
RPE 203 0.2% 128 63.1% 9 243.0 940.0
RXPE 56 0.1% 39 69.6% 11 24.3 33.7
Other indexes 30 0.0% 18 60.0% 807 11889.0 19256.9
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 14,733 20.9% 6,157 41.8% 2 56.4 707.4
Single 55,918 79.1% 22,176 39.7% 4 141.7 1430.8
PRESENT commands, by type:
MARC 46.8%
OPAC 30.6%