MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 03/03/01 through 03/09/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,645 18,830
2-4 a.m. 712 9,600
4-6 a.m. 755 5,688
6-8 a.m. 1,452 10,727
8-10 a.m. 4,271 75,527
10-12 a.m. 8,334 155,229
12-2 p.m. 9,344 169,105
2-4 p.m. 10,341 179,681
4-6 p.m. 8,209 150,268
6-8 p.m. 4,951 79,191
8-10 p.m. 3,670 73,180
10-12 p.m. 2,929 32,918
__________ _____________ _________________
Total: 56,613 959,944
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 1
Davis 0
Irvine 126
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 42,800
Searchlight 4,274
Other - UC 598
Other-Network UC 8,814
_____
56,613
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 329
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 939,696
Searchlight 0
Other - UC 3,902
Other-Network UC 16,017
_____
959,944
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 1.6
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.4
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:15
Average session length (minutes:seconds) 16:53
Longest session recorded (minutes:seconds) 209:43
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 65.9
Retrievals per search - standard deviation 801.0
Percent of searches completed with 0 results 38.8%
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 56,613 20.2%
PRESENT 192,277 68.5%
INIT or CLOSE 31,702 11.3%
OTHER 200 0.1%
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 TITLE25,789 38.8% 9,826 38.1% 5 158.4 1296.2
EXACT PE TITLE 12,547 18.9% 3,131 25.0% 2 28.9 648.8
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 1,171 1.8% 1,059 90.4% 3 13.9 36.1
CORP AUTHOR 2,451 3.7% 2,089 85.2% 6 110.4 707.2
EXACT CORP AUTH 109 0.2% 35 32.1% 7 176.5 487.5
SUBJECT 6,530 9.8% 4,127 63.2% 11 296.2 1242.6
EXACT SUBJECT 568 0.9% 202 35.6% 8 391.4 1797.8
SERIES 62 0.1% 48 77.4% 3 14.4 40.6
EXACT SERIES 11 0.0% 4 36.4% 5 27.3 40.9
CODEN 16 0.0% 7 43.8% 1 1.4 0.7
ISBN 2,331 3.5% 2,331 100% 0 0.0 0.0
LCCN 192 0.3% 171 89.1% 1 1.2 0.4
ISSN 6,566 9.9% 483 7.4% 1 1.7 1.1
INDEXED BY 7 0.0% 7 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 172 0.3% 166 96.5% 4 18.7 25.2
GOV'T DOC NUM 10 0.0% 10 100% 0 0.0 0.0
REPORT NUM 3 0.0% 3 100% 0 0.0 0.0
STOCK NUM 2 0.0% 2 100% 0 0.0 0.0
GPO ITEM NUM 0 0.0% 0 0.0% 0 0.0 0.0
AT 7,664 11.5% 2,322 30.3% 2 44.5 288.6
RPE 92 0.1% 62 67.4% 35 81.8 146.7
RXPE 41 0.1% 25 61.0% 3 17.9 35.8
Other indexes 54 0.1% 30 55.6% 73 747.5 1263.3
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 9,503 16.8% 3,936 41.4% 2 45.0 291.6
Single 47,110 83.2% 18,028 38.3% 3 119.6 1107.5
PRESENT commands, by type:
MARC 30.8%
OPAC 22.0%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)