MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 02/01/00 through 02/29/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,722 61,108
2-4 a.m. 2,170 30,781
4-6 a.m. 2,319 34,747
6-8 a.m. 3,319 51,646
8-10 a.m. 10,688 233,373
10-12 a.m. 22,010 486,084
12-2 p.m. 23,573 520,034
2-4 p.m. 27,367 646,136
4-6 p.m. 22,163 429,075
6-8 p.m. 11,995 248,280
8-10 p.m. 9,271 189,633
10-12 p.m. 6,734 135,321
__________ _____________ _________________
Total: 145,331 3,066,218
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 10
Davis 0
Irvine 686
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 125,724
Searchlight 5,562
Other - UC 2,035
Other-Network UC 11,314
_____
145,331
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 43
Davis 0
Irvine 1,812
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 3,015,198
Searchlight 13
Other - UC 17,005
Other-Network UC 32,147
_____
3,066,218
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 2.5
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.5
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:16
Average session length (minutes:seconds) 17:01
Longest session recorded (minutes:seconds) 278:11
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 76.0
Retrievals per search - standard deviation 1028.8
Percent of searches completed with 0 results 33.2%
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 145,331 17.8%
PRESENT 597,928 73.3%
INIT or CLOSE 71,920 8.8%
OTHER 262 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 TITLE66,855 38.0% 21,829 32.6% 5 162.8 1469.3
EXACT PE TITLE 37,138 21.1% 8,440 22.7% 2 46.2 1163.7
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 4,139 2.4% 3,647 88.1% 3 21.5 148.3
CORP AUTHOR 3,362 1.9% 2,325 69.2% 6 104.3 591.2
EXACT CORP AUTH 364 0.2% 105 28.8% 4 41.3 169.4
SUBJECT 19,370 11.0% 11,944 61.7% 12 283.7 1471.0
EXACT SUBJECT 1,738 1.0% 550 31.6% 6 89.0 329.8
SERIES 194 0.1% 152 78.3% 2 61.8 312.3
EXACT SERIES 52 0.0% 27 51.9% 4 22.9 57.6
CODEN 16 0.0% 1 6.3% 1 2.5 3.4
ISBN 1,082 0.6% 1,082 100% 0 0.0 0.0
LCCN 45 0.0% 42 93.3% 2 7.0 9.5
ISSN 14,239 8.1% 946 6.6% 1 1.7 1.1
INDEXED BY 35 0.0% 31 88.6% 31 62.0 86.2
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 15 0.0% 3 20.0% 1 17.1 23.8
GOV'T DOC NUM 22 0.0% 21 95.5% 9 9.0 0.0
REPORT NUM 6 0.0% 6 100% 0 0.0 0.0
STOCK NUM 10 0.0% 9 90.0% 15 15.0 0.0
GPO ITEM NUM 3 0.0% 3 100% 0 0.0 0.0
AT 26,798 15.2% 7,466 27.9% 2 43.2 356.4
RPE 406 0.2% 261 64.3% 7 157.8 695.7
RXPE 92 0.1% 60 65.2% 2 9.3 19.1
Other indexes 124 0.1% 68 54.8% 86 811.4 1773.6
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 29,867 20.6% 10,009 33.5% 2 44.0 360.3
Single 115,464 79.4% 38,205 33.1% 3 131.7 1396.7
PRESENT commands, by type:
MARC 29.1%
OPAC 20.1%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)