MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 05/12/01 through 05/18/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,807 18,273
2-4 a.m. 1,189 11,826
4-6 a.m. 1,277 4,769
6-8 a.m. 1,966 14,548
8-10 a.m. 3,890 73,026
10-12 a.m. 7,535 140,793
12-2 p.m. 8,453 152,496
2-4 p.m. 9,412 174,212
4-6 p.m. 7,245 123,180
6-8 p.m. 5,239 68,900
8-10 p.m. 3,433 57,063
10-12 p.m. 2,930 33,068
__________ _____________ _________________
Total: 55,376 872,154
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 111
Los Angeles 1
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 38,840
Searchlight 3,419
Other - UC 251
Other-Network UC 12,754
_____
55,376
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 293
Los Angeles 1
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 845,090
Searchlight 0
Other - UC 2,583
Other-Network UC 24,187
_____
872,154
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 0.1
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) 16:19
Longest session recorded (minutes:seconds) 248:12
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 63.9
Retrievals per search - standard deviation 865.5
Percent of searches completed with 0 results 37.1%
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 55,376 20.7%
PRESENT 181,277 67.7%
INIT or CLOSE 31,066 11.6%
OTHER 71 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 TITLE22,864 35.9% 8,833 38.6% 5 177.9 1301.0
EXACT PE TITLE 11,612 18.3% 2,656 22.9% 2 43.4 1214.9
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 1,451 2.3% 1,344 92.6% 2 12.8 34.8
CORP AUTHOR 2,064 3.2% 1,769 85.7% 6 115.6 659.4
EXACT CORP AUTH 119 0.2% 39 32.8% 7 117.6 285.6
SUBJECT 5,579 8.8% 3,529 63.3% 11 220.5 1132.3
EXACT SUBJECT 430 0.7% 147 34.2% 11 359.5 1747.1
SERIES 47 0.1% 40 85.1% 4 31.9 47.9
EXACT SERIES 17 0.0% 9 52.9% 5 58.3 119.0
CODEN 45 0.1% 16 35.6% 1 1.2 0.4
ISBN 2,432 3.8% 2,432 100% 0 0.0 0.0
LCCN 184 0.3% 169 91.8% 1 1.3 0.8
ISSN 9,947 15.6% 804 8.1% 1 1.6 0.9
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 165 0.3% 162 98.2% 1 16.0 26.0
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 1 0.0% 1 100% 0 0.0 0.0
GPO ITEM NUM 0 0.0% 0 0.0% 0 0.0 0.0
AT 6,459 10.2% 1,892 29.3% 2 46.6 318.3
RPE 110 0.2% 81 73.6% 8 51.2 108.8
RXPE 20 0.0% 13 65.0% 16 61.9 99.9
Other indexes 46 0.1% 28 60.9% 11 2291.4 5023.3
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 8,055 14.5% 3,300 41.0% 2 46.0 314.6
Single 47,321 85.5% 17,224 36.4% 2 110.2 1165.2
PRESENT commands, by type:
MARC 33.2%
OPAC 21.5%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)