MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 01/12/02 through 01/18/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,648 12,030
2-4 a.m. 936 11,384
4-6 a.m. 1,185 7,924
6-8 a.m. 2,432 24,829
8-10 a.m. 5,210 68,301
10-12 a.m. 9,533 154,255
12-2 p.m. 8,774 128,615
2-4 p.m. 9,468 176,671
4-6 p.m. 7,335 121,380
6-8 p.m. 3,917 57,190
8-10 p.m. 2,286 35,117
10-12 p.m. 2,204 31,331
__________ _____________ _________________
Total: 54,928 829,027
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 5
Davis 30
Irvine 85
Los Angeles 2
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 1
Santa Cruz 2
Lawrence Berkeley 2
Lawrence Livermore 1
Los Alamos 0
MELWEB 37,185
Searchlight 2,221
Other - UC 219
Other-Network UC 15,175
_____
54,928
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 0
Davis 79
Irvine 162
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 25
Lawrence Berkeley 0
Lawrence Livermore 2
Los Alamos 0
MELWEB 791,440
Searchlight 0
Other - UC 1,935
Other-Network UC 35,384
_____
829,027
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 1.0
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) 20:02
Average session length (minutes:seconds) 15:28
Longest session recorded (minutes:seconds) 244:52
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 72.5
Retrievals per search - standard deviation 948.8
Percent of searches completed with 0 results 37.4%
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 54,928 20.8%
PRESENT 174,708 66.3%
INIT or CLOSE 33,982 12.9%
OTHER 70 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 TITLE24,435 39.6% 9,407 38.5% 6 203.0 1646.2
EXACT PE TITLE 10,193 16.5% 2,344 23.0% 2 35.0 789.7
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 1,501 2.4% 1,376 91.7% 2 28.9 147.5
CORP AUTHOR 2,686 4.3% 2,411 89.8% 8 170.4 679.0
EXACT CORP AUTH 109 0.2% 42 38.5% 10 182.1 355.0
SUBJECT 3,439 5.6% 2,104 61.2% 17 349.0 1187.3
EXACT SUBJECT 358 0.6% 135 37.7% 11 410.9 2006.5
SERIES 41 0.1% 38 92.7% 3 5.0 4.4
EXACT SERIES 10 0.0% 5 50.0% 10 69.4 128.7
CODEN 41 0.1% 15 36.6% 1 1.3 0.5
ISBN 3,064 5.0% 3,064 100% 0 0.0 0.0
LCCN 792 1.3% 781 98.6% 1 1.7 1.1
ISSN 10,165 16.5% 617 6.1% 1 1.7 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 109 0.2% 107 98.2% 13 12.5 16.3
GOV'T DOC NUM 5 0.0% 4 80.0% 53 53.0 0.0
REPORT NUM 3 0.0% 3 100% 0 0.0 0.0
STOCK NUM 0 0.0% 0 0.0% 0 0.0 0.0
GPO ITEM NUM 0 0.0% 0 0.0% 0 0.0 0.0
AT 4,703 7.6% 1,077 22.9% 2 44.5 306.1
RPE 47 0.1% 26 55.3% 5 329.6 1314.7
RXPE 23 0.0% 11 47.8% 3 10.3 20.1
Other indexes 30 0.0% 16 53.3% 90 2876.0 6550.5
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 6,697 12.2% 2,945 44.0% 2 50.5 425.9
Single 48,231 87.8% 17,581 36.4% 2 123.7 1259.0
PRESENT commands, by type:
MARC 31.3%
OPAC 24.0%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)