MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 11/11/00 through 11/17/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,385 18,668
2-4 a.m. 795 11,538
4-6 a.m. 730 8,085
6-8 a.m. 1,247 18,797
8-10 a.m. 3,614 82,559
10-12 a.m. 7,342 151,812
12-2 p.m. 8,441 179,576
2-4 p.m. 9,463 216,448
4-6 p.m. 7,550 158,965
6-8 p.m. 4,253 83,731
8-10 p.m. 3,459 61,635
10-12 p.m. 2,356 39,801
__________ _____________ _________________
Total: 50,635 1,031,615
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 0
Davis 0
Irvine 203
Los Angeles 1
Riverside 0
San Diego 3
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 38,128
Searchlight 3,846
Other - UC 971
Other-Network UC 7,483
_____
50,635
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 765
Los Angeles 0
Riverside 0
San Diego 1,074
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,011,143
Searchlight 0
Other - UC 7,965
Other-Network UC 10,668
_____
1,031,615
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 1.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.3
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:14
Average session length (minutes:seconds) 16:13
Longest session recorded (minutes:seconds) 170:49
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 72.1
Retrievals per search - standard deviation 840.0
Percent of searches completed with 0 results 38.6%
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 50,635 18.4%
PRESENT 196,072 71.1%
INIT or CLOSE 28,904 10.5%
OTHER 41 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 TITLE22,863 38.2% 8,238 36.0% 5 157.8 1247.0
EXACT PE TITLE 10,657 17.8% 2,519 23.6% 2 43.8 850.1
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 1,301 2.2% 1,213 93.2% 2 12.4 43.6
CORP AUTHOR 1,822 3.0% 1,500 82.3% 5 65.1 286.8
EXACT CORP AUTH 114 0.2% 20 17.5% 8 84.6 198.7
SUBJECT 6,641 11.1% 4,151 62.5% 13 322.5 1525.9
EXACT SUBJECT 542 0.9% 167 30.8% 10 381.8 1495.2
SERIES 42 0.1% 38 90.5% 5 4361.8 8715.5
EXACT SERIES 7 0.0% 4 57.1% 16 30.0 24.2
CODEN 50 0.1% 11 22.0% 1 1.1 0.4
ISBN 2,436 4.1% 2,436 100% 0 0.0 0.0
LCCN 110 0.2% 96 87.3% 1 1.1 0.4
ISSN 5,522 9.2% 441 8.0% 1 1.6 1.1
INDEXED BY 4 0.0% 4 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 37 0.1% 36 97.3% 1 1.0 0.0
GOV'T DOC NUM 3 0.0% 3 100% 0 0.0 0.0
REPORT NUM 2 0.0% 2 100% 0 0.0 0.0
STOCK NUM 1 0.0% 1 100% 0 0.0 0.0
GPO ITEM NUM 4 0.0% 4 100% 0 0.0 0.0
AT 7,491 12.5% 2,252 30.1% 2 47.6 443.3
RPE 114 0.2% 89 78.1% 5 45.4 116.1
RXPE 52 0.1% 33 63.5% 4 103.1 222.0
Other indexes 45 0.1% 28 62.2% 28 746.0 1255.9
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 8,994 17.8% 3,523 39.2% 2 51.3 498.0
Single 41,641 82.2% 16,046 38.5% 3 131.7 1155.6
PRESENT commands, by type:
MARC 28.1%
OPAC 19.6%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)