MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 04/07/01 through 04/13/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,622 15,504
2-4 a.m. 853 6,460
4-6 a.m. 700 5,856
6-8 a.m. 1,414 14,498
8-10 a.m. 3,659 61,783
10-12 a.m. 6,710 132,638
12-2 p.m. 7,221 156,793
2-4 p.m. 7,766 166,463
4-6 p.m. 5,898 129,488
6-8 p.m. 3,602 55,025
8-10 p.m. 2,224 47,388
10-12 p.m. 1,860 42,380
__________ _____________ _________________
Total: 43,529 834,276
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 4
Davis 0
Irvine 119
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 31,975
Searchlight 2,860
Other - UC 563
Other-Network UC 8,008
_____
43,529
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 23
Davis 0
Irvine 297
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 813,044
Searchlight 0
Other - UC 4,603
Other-Network UC 16,309
_____
834,276
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 2.4
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) 20:18
Average session length (minutes:seconds) 16:33
Longest session recorded (minutes:seconds) 194:55
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 81.3
Retrievals per search - standard deviation 1062.9
Percent of searches completed with 0 results 37.9%
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 43,529 18.8%
PRESENT 163,876 70.7%
INIT or CLOSE 24,415 10.5%
OTHER 75 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 TITLE20,972 41.9% 7,570 36.1% 5 184.1 1582.9
EXACT PE TITLE 9,719 19.4% 2,230 22.9% 2 60.4 1215.4
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 1,202 2.4% 1,119 93.1% 3 7.7 15.4
CORP AUTHOR 1,674 3.3% 1,372 82.0% 8 113.3 709.9
EXACT CORP AUTH 108 0.2% 26 24.1% 7 100.8 261.2
SUBJECT 4,064 8.1% 2,589 63.7% 14 332.5 1497.7
EXACT SUBJECT 331 0.7% 106 32.0% 7 250.4 1327.9
SERIES 96 0.2% 84 87.5% 2 5.7 7.5
EXACT SERIES 16 0.0% 9 56.3% 1 82.1 203.8
CODEN 61 0.1% 17 27.9% 1 1.4 0.7
ISBN 2,157 4.3% 2,157 100% 0 0.0 0.0
LCCN 86 0.2% 79 91.9% 1 1.0 0.0
ISSN 4,410 8.8% 398 9.0% 1 1.7 1.1
INDEXED BY 7 0.0% 7 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 83 0.2% 74 89.2% 1 6.4 7.9
GOV'T DOC NUM 7 0.0% 7 100% 0 0.0 0.0
REPORT NUM 0 0.0% 0 0.0% 0 0.0 0.0
STOCK NUM 3 0.0% 3 100% 0 0.0 0.0
GPO ITEM NUM 1 0.0% 1 100% 0 0.0 0.0
AT 4,986 10.0% 1,279 25.6% 2 44.1 304.9
RPE 71 0.1% 57 80.3% 11 680.5 1725.2
RXPE 19 0.0% 12 63.2% 32 422.9 600.5
Other indexes 27 0.1% 19 70.4% 400 2524.1 5555.6
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 6,370 14.6% 2,530 39.7% 2 45.0 305.5
Single 37,159 85.4% 13,969 37.6% 3 145.2 1447.8
PRESENT commands, by type:
MARC 29.7%
OPAC 20.0%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)