MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 04/01/01 through 04/30/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 7,667 68,234
2-4 a.m. 3,916 29,395
4-6 a.m. 3,651 30,028
6-8 a.m. 6,691 55,520
8-10 a.m. 15,870 283,742
10-12 a.m. 29,640 631,912
12-2 p.m. 31,726 631,228
2-4 p.m. 34,188 700,374
4-6 p.m. 27,133 564,037
6-8 p.m. 16,746 243,343
8-10 p.m. 11,554 222,576
10-12 p.m. 8,984 150,469
__________ _____________ _________________
Total: 197,766 3,610,858
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 6
Davis 0
Irvine 385
Los Angeles 2
Riverside 0
San Diego 1
San Francisco 1
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 141,034
Searchlight 13,314
Other - UC 2,228
Other-Network UC 40,795
_____
197,766
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 33
Davis 0
Irvine 1,131
Los Angeles 9
Riverside 0
San Diego 0
San Francisco 7
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,517,473
Searchlight 0
Other - UC 19,702
Other-Network UC 72,503
_____
3,610,858
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 1.8
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) 20:13
Average session length (minutes:seconds) 16:04
Longest session recorded (minutes:seconds) 249:01
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 73.7
Retrievals per search - standard deviation 1003.1
Percent of searches completed with 0 results 39.6%
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 197,766 19.4%
PRESENT 711,920 69.7%
INIT or CLOSE 111,883 10.9%
OTHER 305 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 TITLE92,331 40.6% 35,389 38.3% 5 179.9 1572.7
EXACT PE TITLE 44,680 19.6% 10,528 23.6% 2 49.1 1109.1
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 5,693 2.5% 5,223 91.7% 3 16.4 61.8
CORP AUTHOR 8,274 3.6% 7,008 84.7% 7 92.0 470.4
EXACT CORP AUTH 455 0.2% 121 26.6% 7 114.7 264.8
SUBJECT 18,626 8.2% 11,675 62.7% 13 315.4 1338.8
EXACT SUBJECT 1,540 0.7% 537 34.9% 7 273.6 1398.3
SERIES 308 0.1% 263 85.4% 3 721.4 4663.7
EXACT SERIES 50 0.0% 23 46.0% 1 30.9 107.6
CODEN 168 0.1% 46 27.4% 1 1.3 0.6
ISBN 11,371 5.0% 11,367 100% 24 28.0 32.0
LCCN 426 0.2% 389 91.3% 1 2.5 8.0
ISSN 20,641 9.1% 1,853 9.0% 1 1.7 1.1
INDEXED BY 25 0.0% 24 96.0% 15 15.0 0.0
DLA ID 6 0.0% 5 83.3% 1 1.0 0.0
LOCAL NUM 406 0.2% 377 92.9% 1 8.7 16.3
GOV'T DOC NUM 25 0.0% 25 100% 0 0.0 0.0
REPORT NUM 3 0.0% 3 100% 0 0.0 0.0
STOCK NUM 11 0.0% 10 90.9% 1 1.0 0.0
GPO ITEM NUM 6 0.0% 5 83.3% 2 2.0 0.0
AT 22,022 9.7% 5,978 27.1% 2 42.4 295.1
RPE 276 0.1% 199 72.1% 5 187.8 772.4
RXPE 80 0.0% 51 63.7% 5 107.8 331.7
Other indexes 141 0.1% 101 71.6% 484 1349.5 2788.2
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 28,977 14.7% 12,153 41.9% 2 46.3 420.9
Single 168,789 85.3% 66,135 39.2% 3 134.5 1379.0
PRESENT commands, by type:
MARC 30.0%
OPAC 20.1%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)