MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 05/01/00 through 05/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,670 80,262
2-4 a.m. 2,226 38,877
4-6 a.m. 1,892 25,761
6-8 a.m. 3,201 52,219
8-10 a.m. 9,775 237,941
10-12 a.m. 19,336 410,296
12-2 p.m. 22,232 439,780
2-4 p.m. 26,113 497,117
4-6 p.m. 18,933 352,918
6-8 p.m. 11,064 213,711
8-10 p.m. 8,992 180,068
10-12 p.m. 6,269 125,490
__________ _____________ _________________
Total: 133,703 2,654,440
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 5
Davis 0
Irvine 565
Los Angeles 0
Riverside 0
San Diego 6
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 111,209
Searchlight 10,497
Other - UC 992
Other-Network UC 10,429
_____
133,703
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 29
Davis 0
Irvine 1,285
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 2,619,077
Searchlight 103
Other - UC 8,913
Other-Network UC 25,033
_____
2,654,440
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.4
Standard deviation in seconds 4.1
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.8
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:18
Average session length (minutes:seconds) 17:18
Longest session recorded (minutes:seconds) 212:23
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 73.2
Retrievals per search - standard deviation 880.3
Percent of searches completed with 0 results 33.6%
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 133,703 18.0%
PRESENT 535,738 72.0%
INIT or CLOSE 74,412 10.0%
OTHER 244 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 TITLE59,600 37.5% 20,056 33.6% 5 172.3 1374.8
EXACT PE TITLE 33,565 21.1% 7,473 22.3% 2 35.2 782.9
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 3,306 2.1% 2,976 90.0% 2 18.5 58.4
CORP AUTHOR 3,688 2.3% 2,853 77.4% 7 105.5 512.8
EXACT CORP AUTH 318 0.2% 104 32.7% 3 107.2 322.1
SUBJECT 18,337 11.5% 11,706 63.8% 10 256.9 1235.9
EXACT SUBJECT 1,330 0.8% 454 34.1% 7 189.5 1125.7
SERIES 149 0.1% 109 73.2% 3 123.5 367.9
EXACT SERIES 47 0.0% 25 53.2% 3 96.5 169.3
CODEN 91 0.1% 26 28.6% 1 1.2 0.5
ISBN 1,071 0.7% 1,071 100% 0 0.0 0.0
LCCN 33 0.0% 31 93.9% 1 1.0 0.0
ISSN 15,498 9.7% 970 6.3% 1 1.6 1.0
INDEXED BY 18 0.0% 17 94.4% 1,265 1265.0 0.0
DLA ID 3 0.0% 3 100% 0 0.0 0.0
LOCAL NUM 8 0.0% 4 50.0% 11 17.5 22.2
GOV'T DOC NUM 27 0.0% 25 92.6% 31 31.0 22.6
REPORT NUM 6 0.0% 6 100% 0 0.0 0.0
STOCK NUM 6 0.0% 4 66.7% 3 2.5 2.1
GPO ITEM NUM 4 0.0% 4 100% 0 0.0 0.0
AT 21,463 13.5% 6,319 29.4% 2 42.2 286.5
RPE 315 0.2% 219 69.5% 4 156.6 705.2
RXPE 115 0.1% 76 66.1% 2 17.9 40.5
Other indexes 93 0.1% 63 67.7% 283 2294.4 4204.8
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 24,623 18.4% 9,002 36.6% 2 43.6 314.0
Single 109,080 81.6% 35,917 32.9% 3 124.5 1178.5
PRESENT commands, by type:
MARC 29.8%
OPAC 20.3%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)