MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 10/27/01 through 11/02/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,514 20,727
2-4 a.m. 876 8,018
4-6 a.m. 1,118 11,157
6-8 a.m. 2,012 25,152
8-10 a.m. 5,349 68,192
10-12 a.m. 8,932 162,034
12-2 p.m. 9,459 151,904
2-4 p.m. 9,752 176,537
4-6 p.m. 7,569 129,095
6-8 p.m. 3,926 57,789
8-10 p.m. 2,784 52,743
10-12 p.m. 2,293 30,645
__________ _____________ _________________
Total: 55,584 893,993
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 45
Los Angeles 0
Riverside 0
San Diego 3
San Francisco 5
Santa Barbara 3
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 5
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 43,698
Other-Network UC 11,825
_____
55,584
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 87
Los Angeles 0
Riverside 0
San Diego 10
San Francisco 40
Santa Barbara 54
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 17
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 874,588
Other-Network UC 19,197
_____
893,993
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 2.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.3
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:07
Average session length (minutes:seconds) 16:17
Longest session recorded (minutes:seconds) 165:02
Average number of searches completed per session 9264.0
Retrievals per search - median 1.0
Retrievals per search - average 72.4
Retrievals per search - standard deviation 1029.4
Percent of searches completed with 0 results 38.9%
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 55,584 20.2%
PRESENT 186,504 67.8%
INIT or CLOSE 33,096 12.0%
OTHER 69 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 TITLE23,808 37.5% 9,562 40.2% 5 211.4 1876.9
EXACT PE TITLE 12,001 18.9% 2,910 24.2% 2 31.9 713.3
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 1,340 2.1% 1,254 93.6% 2 24.1 160.0
CORP AUTHOR 2,759 4.3% 2,423 87.8% 6 101.3 422.5
EXACT CORP AUTH 124 0.2% 42 33.9% 9 150.5 313.7
SUBJECT 4,920 7.8% 3,185 64.7% 13 334.0 1286.2
EXACT SUBJECT 447 0.7% 120 26.8% 10 251.4 1339.5
SERIES 51 0.1% 44 86.3% 23 85.3 137.0
EXACT SERIES 6 0.0% 1 16.7% 41 121.2 153.5
CODEN 16 0.0% 11 68.8% 1 1.2 0.4
ISBN 2,619 4.1% 2,617 99.9% 2 2.0 1.4
LCCN 642 1.0% 623 97.0% 1 1.1 0.2
ISSN 8,722 13.7% 501 5.7% 1 1.6 1.0
INDEXED BY 2 0.0% 2 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 27 0.0% 26 96.3% 22 22.0 0.0
GOV'T DOC NUM 7 0.0% 7 100% 0 0.0 0.0
REPORT NUM 2 0.0% 2 100% 0 0.0 0.0
STOCK NUM 2 0.0% 2 100% 0 0.0 0.0
GPO ITEM NUM 4 0.0% 3 75.0% 2 2.0 0.0
AT 5,834 9.2% 1,716 29.4% 2 37.1 275.6
RPE 84 0.1% 55 65.5% 5 96.9 262.8
RXPE 16 0.0% 11 68.8% 5 5.8 5.4
Other indexes 35 0.1% 26 74.3% 596 402.0 291.2
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 7,712 13.9% 3,377 43.8% 2 36.4 270.1
Single 47,872 86.1% 18,237 38.1% 2 130.5 1403.4
PRESENT commands, by type:
MARC 30.9%
OPAC 20.7%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)