MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 03/01/00 through 03/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 4,301 69,744
2-4 a.m. 2,361 46,096
4-6 a.m. 2,371 41,914
6-8 a.m. 3,902 72,972
8-10 a.m. 12,897 297,671
10-12 a.m. 24,951 600,089
12-2 p.m. 28,398 646,105
2-4 p.m. 32,928 734,797
4-6 p.m. 24,231 566,359
6-8 p.m. 13,471 283,392
8-10 p.m. 10,345 243,994
10-12 p.m. 7,182 173,503
__________ _____________ _________________
Total: 167,338 3,776,636
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 9
Davis 4
Irvine 707
Los Angeles 0
Riverside 2
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 138,769
Searchlight 12,253
Other - UC 2,246
Other-Network UC 13,348
_____
167,338
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 104
Davis 178
Irvine 1,847
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 3,711,970
Searchlight 220
Other - UC 20,874
Other-Network UC 41,443
_____
3,776,636
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 4.1
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.7
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:15
Average session length (minutes:seconds) 17:10
Longest session recorded (minutes:seconds) 366:32
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 1011.4
Percent of searches completed with 0 results 32.5%
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 167,338 17.2%
PRESENT 721,145 74.1%
INIT or CLOSE 84,841 8.7%
OTHER 301 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 TITLE76,716 38.1% 23,945 31.2% 5 165.1 1556.1
EXACT PE TITLE 42,992 21.3% 10,287 23.9% 2 37.1 812.5
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 4,566 2.3% 4,075 89.2% 3 24.0 178.1
CORP AUTHOR 4,151 2.1% 2,857 68.8% 6 105.2 452.9
EXACT CORP AUTH 454 0.2% 162 35.7% 4 43.1 141.8
SUBJECT 21,247 10.5% 13,103 61.7% 12 294.0 1331.3
EXACT SUBJECT 1,896 0.9% 676 35.7% 6 92.7 315.7
SERIES 208 0.1% 176 84.6% 9 137.6 251.9
EXACT SERIES 68 0.0% 39 57.4% 8 62.2 171.7
CODEN 29 0.0% 13 44.8% 1 2.1 2.0
ISBN 1,252 0.6% 1,252 100% 0 0.0 0.0
LCCN 47 0.0% 38 80.8% 1 1.2 0.4
ISSN 17,699 8.8% 1,333 7.5% 1 1.7 3.9
INDEXED BY 31 0.0% 31 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 22 0.0% 9 40.9% 13 20.8 21.5
GOV'T DOC NUM 40 0.0% 39 97.5% 47 47.0 0.0
REPORT NUM 13 0.0% 13 100% 0 0.0 0.0
STOCK NUM 6 0.0% 6 100% 0 0.0 0.0
GPO ITEM NUM 4 0.0% 3 75.0% 1 1.0 0.0
AT 29,307 14.5% 8,062 27.5% 2 44.4 344.8
RPE 449 0.2% 295 65.7% 3 112.7 549.8
RXPE 120 0.1% 87 72.5% 7 83.8 279.3
Other indexes 169 0.1% 114 67.5% 200 3955.1 13972.1
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 33,086 19.8% 11,243 34.0% 2 49.9 614.3
Single 134,252 80.2% 43,193 32.2% 3 127.6 1335.3
PRESENT commands, by type:
MARC 28.8%
OPAC 19.3%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)