MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 08/01/00 through 08/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,522 53,724
2-4 a.m. 2,839 26,322
4-6 a.m. 2,481 23,637
6-8 a.m. 4,075 67,186
8-10 a.m. 10,635 264,881
10-12 a.m. 20,384 510,846
12-2 p.m. 19,138 453,706
2-4 p.m. 21,505 550,676
4-6 p.m. 13,864 339,241
6-8 p.m. 5,910 156,795
8-10 p.m. 3,769 101,766
10-12 p.m. 3,445 96,529
__________ _____________ _________________
Total: 111,567 2,645,309
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 9
Davis 2
Irvine 600
Los Angeles 3
Riverside 0
San Diego 71
San Francisco 2
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 83,217
Searchlight 7,268
Other - UC 1,259
Other-Network UC 19,136
_____
111,567
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 74
Davis 32
Irvine 1,674
Los Angeles 1
Riverside 0
San Diego 30
San Francisco 8
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 2,579,173
Searchlight 0
Other - UC 12,992
Other-Network UC 51,325
_____
2,645,309
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 2.1
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) 20:24
Average session length (minutes:seconds) 15:44
Longest session recorded (minutes:seconds) 369:17
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 1069.9
Percent of searches completed with 0 results 34.9%
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 111,567 16.8%
PRESENT 494,256 74.3%
INIT or CLOSE 58,568 8.8%
OTHER 756 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 TITLE58,256 44.8% 19,240 33.0% 5 159.1 1645.9
EXACT PE TITLE 30,153 23.2% 6,306 20.9% 2 36.1 769.8
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 5,003 3.8% 4,516 90.3% 2 20.5 61.2
CORP AUTHOR 3,884 3.0% 3,007 77.4% 8 123.5 458.5
EXACT CORP AUTH 330 0.3% 85 25.8% 8 164.1 321.4
SUBJECT 8,455 6.5% 5,560 65.8% 13 322.5 1396.8
EXACT SUBJECT 667 0.5% 156 23.4% 9 199.5 906.4
SERIES 144 0.1% 128 88.9% 9 21.8 39.5
EXACT SERIES 36 0.0% 16 44.4% 16 101.6 246.6
CODEN 119 0.1% 48 40.3% 1 14.3 109.8
ISBN 2,589 2.0% 2,587 99.9% 2 1.5 0.7
LCCN 129 0.1% 116 89.9% 1 1.0 0.0
ISSN 5,412 4.2% 517 9.6% 1 2.2 18.9
INDEXED BY 14 0.0% 14 100% 0 0.0 0.0
DLA ID 2 0.0% 2 100% 0 0.0 0.0
LOCAL NUM 24 0.0% 21 87.5% 1 1.3 0.6
GOV'T DOC NUM 34 0.0% 31 91.2% 13 21.7 25.1
REPORT NUM 8 0.0% 7 87.5% 1 1.0 0.0
STOCK NUM 4 0.0% 4 100% 0 0.0 0.0
GPO ITEM NUM 7 0.0% 7 100% 0 0.0 0.0
AT 14,567 11.2% 2,802 19.2% 2 31.8 260.6
RPE 162 0.1% 100 61.7% 10 526.9 2229.1
RXPE 67 0.1% 33 49.3% 3 15.6 38.5
Other indexes 70 0.1% 43 61.4% 382 2352.8 5234.4
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 18,174 16.3% 6,020 33.1% 2 36.1 303.1
Single 93,393 83.7% 32,962 35.3% 3 130.2 1444.9
PRESENT commands, by type:
MARC 27.6%
OPAC 18.6%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)