MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 04/20/02 through 04/26/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,414 27,631
2-4 a.m. 1,751 11,315
4-6 a.m. 1,740 17,853
6-8 a.m. 2,426 21,172
8-10 a.m. 6,541 90,918
10-12 a.m. 10,829 154,326
12-2 p.m. 11,217 167,974
2-4 p.m. 12,415 181,180
4-6 p.m. 9,469 166,634
6-8 p.m. 6,030 93,872
8-10 p.m. 4,538 69,815
10-12 p.m. 4,206 55,410
__________ _____________ _________________
Total: 74,576 1,058,100
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 17
Davis 2
Irvine 0
Los Angeles 0
Riverside 0
San Diego 2
San Francisco 0
Santa Barbara 2
Santa Cruz 1
Lawrence Berkeley 1
Lawrence Livermore 10
Los Alamos 0
MELWEB 53,123
Searchlight 2,706
Other - UC 561
Other-Network UC 18,151
_____
74,576
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 48
Davis 39
Irvine 0
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 92
Los Alamos 0
MELWEB 1,011,982
Searchlight 0
Other - UC 5,151
Other-Network UC 40,788
_____
1,058,100
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.1
Standard deviation in seconds 1.1
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.2
2.0 PERIODICALS Database Detailed Statistics
_________________________________________
Median session length (minutes:seconds) 20:03
Average session length (minutes:seconds) 16:51
Longest session recorded (minutes:seconds) 319:00
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 44.1
Retrievals per search - standard deviation 805.2
Percent of searches completed with 0 results 36.1%
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 74,576 20.3%
PRESENT 246,063 66.8%
INIT or CLOSE 47,444 12.9%
OTHER 84 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 TITLE27,120 32.7% 12,115 44.7% 5 153.9 1588.9
EXACT PE TITLE 12,240 14.8% 2,445 20.0% 2 32.0 851.2
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 1,812 2.2% 1,565 86.4% 17 13.9 16.6
CORP AUTHOR 3,724 4.5% 3,365 90.4% 6 173.4 2077.3
EXACT CORP AUTH 125 0.2% 42 33.6% 13 126.4 205.9
SUBJECT 5,262 6.3% 3,364 63.9% 14 267.2 1065.2
EXACT SUBJECT 357 0.4% 98 27.4% 7 352.0 1844.2
SERIES 71 0.1% 64 90.1% 9 111.4 180.9
EXACT SERIES 11 0.0% 7 63.6% 1 1.3 0.5
CODEN 23 0.0% 7 30.4% 1 1.1 0.3
ISBN 4,168 5.0% 4,168 100% 0 0.0 0.0
LCCN 854 1.0% 830 97.2% 1 1.0 0.2
ISSN 21,310 25.7% 1,285 6.0% 1 1.7 1.1
INDEXED BY 3 0.0% 3 100% 0 0.0 0.0
DLA ID 1 0.0% 1 100% 0 0.0 0.0
LOCAL NUM 127 0.2% 121 95.3% 7 18.0 22.7
GOV'T DOC NUM 8 0.0% 8 100% 0 0.0 0.0
REPORT NUM 4 0.0% 4 100% 0 0.0 0.0
STOCK NUM 2 0.0% 1 50.0% 1 1.0 0.0
GPO ITEM NUM 0 0.0% 0 0.0% 0 0.0 0.0
AT 5,599 6.7% 1,595 28.5% 2 33.1 191.8
RPE 74 0.1% 53 71.6% 4 65.1 138.1
RXPE 23 0.0% 11 47.8% 11 64.5 120.5
Other indexes 32 0.0% 12 37.5% 385 463.1 694.5
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 8,221 11.0% 4,109 50.0% 2 45.0 654.2
Single 66,355 89.0% 22,810 34.4% 2 71.3 1033.5
PRESENT commands, by type:
MARC 33.1%
OPAC 22.0%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)