MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 08/01/99 through 08/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,212 13,955
2-4 a.m. 1,283 9,677
4-6 a.m. 1,236 7,815
6-8 a.m. 1,856 20,552
8-10 a.m. 5,969 61,998
10-12 a.m. 11,102 121,550
12-2 p.m. 10,277 110,428
2-4 p.m. 12,424 133,652
4-6 p.m. 8,026 90,542
6-8 p.m. 3,482 33,779
8-10 p.m. 3,005 26,788
10-12 p.m. 2,042 18,757
__________ _____________ _________________
Total: 62,914 649,493
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 2
Davis 0
Irvine 1,112
Los Angeles 3
Riverside 0
San Diego 7
San Francisco 1
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 52,051
Other - UC 1,342
Other-Network UC 8,396
_____
62,914
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1
Davis 0
Irvine 4,130
Los Angeles 0
Riverside 0
San Diego 55
San Francisco 11
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 608,095
Other - UC 10,010
Other-Network UC 27,191
_____
649,493
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 3.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.4
Standard deviation in seconds 1.2
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 21:12
Average session length (minutes:seconds) 20:11
Longest session recorded (minutes:seconds) 217:47
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 76.3
Retrievals per search - standard deviation 965.8
Percent of searches completed with 0 results 29.4%
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 62,914 23.5%
PRESENT 177,791 66.4%
INIT or CLOSE 27,020 10.1%
OTHER 121 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 TITLE28,888 39.1% 6,404 22.2% 4 139.7 1309.8
EXACT PE TITLE 21,130 28.6% 4,825 22.8% 2 37.4 894.7
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 2,500 3.4% 2,207 88.3% 2 9.5 25.1
CORP AUTHOR 1,703 2.3% 1,095 64.3% 7 182.3 822.1
EXACT CORP AUTH 205 0.3% 60 29.3% 4 34.1 104.4
SUBJECT 5,675 7.7% 3,510 61.8% 15 399.5 1622.2
EXACT SUBJECT 510 0.7% 173 33.9% 9 177.1 1386.3
SERIES 86 0.1% 72 83.7% 2 179.4 444.4
EXACT SERIES 327 0.4% 42 12.8% 2 5.1 15.1
CODEN 21 0.0% 5 23.8% 1 1.1 0.3
ISBN 926 1.3% 926 100% 0 0.0 0.0
LCCN 40 0.1% 35 87.5% 1 1.0 0.0
ISSN 2,350 3.2% 216 9.2% 1 1.7 4.1
INDEXED BY 11 0.0% 11 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 19 0.0% 5 26.3% 1 6.7 12.1
GOV'T DOC NUM 12 0.0% 10 83.3% 577 576.5 750.2
REPORT NUM 4 0.0% 4 100% 0 0.0 0.0
STOCK NUM 4 0.0% 4 100% 0 0.0 0.0
GPO ITEM NUM 4 0.0% 2 50.0% 11 10.5 9.2
AT 9,255 12.5% 1,962 21.2% 2 38.0 323.2
RPE 153 0.2% 97 63.4% 4 168.1 793.7
RXPE 51 0.1% 21 41.2% 4 118.0 563.3
Other indexes 65 0.1% 41 63.1% 93 776.6 1222.9
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 10,772 17.1% 3,052 28.3% 2 40.0 364.3
Single 52,142 82.9% 15,417 29.6% 3 122.3 1250.8
PRESENT commands, by type:
MARC 46.8%
OPAC 30.1%