MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 05/01/02 through 05/31/02
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 7,116 64,294
2-4 a.m. 4,402 34,266
4-6 a.m. 4,114 25,601
6-8 a.m. 7,436 49,521
8-10 a.m. 18,401 224,313
10-12 a.m. 31,029 422,265
12-2 p.m. 32,883 436,541
2-4 p.m. 35,766 508,021
4-6 p.m. 27,777 397,159
6-8 p.m. 17,393 212,194
8-10 p.m. 11,570 176,496
10-12 p.m. 9,335 122,126
__________ _____________ _________________
Total: 207,222 2,672,797
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 8
Davis 2
Irvine 0
Los Angeles 4
Riverside 0
San Diego 37
San Francisco 1
Santa Barbara 0
Santa Cruz 3
Lawrence Berkeley 13
Lawrence Livermore 6
Los Alamos 0
MELWEB 155,846
Searchlight 6,516
Other - UC 748
Other-Network UC 44,038
_____
207,222
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 75
Davis 63
Irvine 0
Los Angeles 0
Riverside 0
San Diego 1,255
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 1
Lawrence Livermore 11
Los Alamos 0
MELWEB 2,579,337
Searchlight 0
Other - UC 6,594
Other-Network UC 85,461
_____
2,672,797
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 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 0.2
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:01
Average session length (minutes:seconds) 17:06
Longest session recorded (minutes:seconds) 210:33
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 43.0
Retrievals per search - standard deviation 716.8
Percent of searches completed with 0 results 34.7%
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 207,222 21.0%
PRESENT 641,001 65.0%
INIT or CLOSE 137,539 13.9%
OTHER 223 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 TITLE72,909 31.4% 31,300 42.9% 5 142.3 1364.0
EXACT PE TITLE 35,819 15.4% 7,171 20.0% 2 37.2 820.1
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 5,346 2.3% 4,759 89.0% 16 14.0 30.3
CORP AUTHOR 9,615 4.1% 8,636 89.8% 8 155.1 678.6
EXACT CORP AUTH 304 0.1% 98 32.2% 10 174.7 319.0
SUBJECT 14,629 6.3% 9,341 63.9% 13 258.5 1029.9
EXACT SUBJECT 1,025 0.4% 287 28.0% 9 295.4 1641.9
SERIES 135 0.1% 115 85.2% 6 85.7 246.3
EXACT SERIES 28 0.0% 14 50.0% 4 59.1 99.7
CODEN 41 0.0% 16 39.0% 1 1.5 0.8
ISBN 11,776 5.1% 11,767 99.9% 1 85.8 252.8
LCCN 1,346 0.6% 1,292 96.0% 1 1.2 0.4
ISSN 60,508 26.1% 3,091 5.1% 1 1.7 1.1
INDEXED BY 16 0.0% 15 93.8% 6 6.0 0.0
DLA ID 4 0.0% 4 100% 0 0.0 0.0
LOCAL NUM 419 0.2% 408 97.4% 2 15.3 22.5
GOV'T DOC NUM 22 0.0% 21 95.5% 53 53.0 0.0
REPORT NUM 8 0.0% 8 100% 0 0.0 0.0
STOCK NUM 6 0.0% 6 100% 0 0.0 0.0
GPO ITEM NUM 7 0.0% 4 57.1% 11 9.0 4.4
AT 17,688 7.6% 5,079 28.7% 2 35.4 275.2
RPE 176 0.1% 128 72.7% 9 413.8 1247.0
RXPE 48 0.0% 33 68.8% 4 7.9 9.0
Other indexes 83 0.0% 52 62.6% 151 1836.1 4839.9
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 24,241 11.7% 11,372 46.9% 2 36.8 288.7
Single 182,981 88.3% 60,449 33.0% 2 68.9 926.4
PRESENT commands, by type:
MARC 33.7%
OPAC 23.8%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)