MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 07/01/01 through 07/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 6,302 51,036
2-4 a.m. 3,550 32,671
4-6 a.m. 4,392 29,561
6-8 a.m. 7,705 67,924
8-10 a.m. 17,414 260,375
10-12 a.m. 27,492 572,298
12-2 p.m. 26,776 512,381
2-4 p.m. 29,489 635,387
4-6 p.m. 18,602 383,857
6-8 p.m. 8,832 158,583
8-10 p.m. 5,168 97,819
10-12 p.m. 4,949 72,762
__________ _____________ _________________
Total: 160,671 2,874,654
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 6
Irvine 307
Los Angeles 6
Riverside 0
San Diego 10
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 292
Searchlight 0
Other - UC 115,755
Other-Network UC 44,289
_____
160,671
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 662
Los Angeles 89
Riverside 0
San Diego 206
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 1,384
Searchlight 0
Other - UC 2,792,730
Other-Network UC 79,554
_____
2,874,654
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 2.3
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.3
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:04
Average session length (minutes:seconds) 15:12
Longest session recorded (minutes:seconds) 368:07
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 81.1
Retrievals per search - standard deviation 992.2
Percent of searches completed with 0 results 41.4%
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 160,671 19.5%
PRESENT 574,192 69.9%
INIT or CLOSE 86,722 10.6%
OTHER 402 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 TITLE75,348 40.9% 31,175 41.4% 5 222.3 1593.7
EXACT PE TITLE 37,513 20.4% 8,566 22.8% 2 45.3 1047.5
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 6,218 3.4% 5,614 90.3% 4 49.7 199.7
CORP AUTHOR 9,551 5.2% 8,465 88.6% 6 98.1 573.5
EXACT CORP AUTH 334 0.2% 108 32.3% 6 130.3 279.6
SUBJECT 9,925 5.4% 6,369 64.2% 15 384.6 1531.5
EXACT SUBJECT 975 0.5% 308 31.6% 8 399.5 1819.4
SERIES 136 0.1% 106 77.9% 4 85.0 280.4
EXACT SERIES 31 0.0% 8 25.8% 2 179.7 659.3
CODEN 126 0.1% 41 32.5% 1 1.1 0.4
ISBN 11,239 6.1% 11,234 100% 3 2.8 0.4
LCCN 1,022 0.6% 985 96.4% 1 1.0 0.2
ISSN 16,752 9.1% 1,404 8.4% 1 1.7 10.3
INDEXED BY 21 0.0% 15 71.4% 132 200.0 141.9
DLA ID 3 0.0% 1 33.3% 1 1.0 0.0
LOCAL NUM 129 0.1% 119 92.2% 41 28.9 20.5
GOV'T DOC NUM 27 0.0% 26 96.3% 53 53.0 0.0
REPORT NUM 10 0.0% 10 100% 0 0.0 0.0
STOCK NUM 10 0.0% 10 100% 0 0.0 0.0
GPO ITEM NUM 9 0.0% 8 88.9% 1 1.0 0.0
AT 14,325 7.8% 3,293 23.0% 2 38.0 290.8
RPE 176 0.1% 112 63.6% 12 239.6 831.9
RXPE 69 0.0% 34 49.3% 3 16.7 39.5
Other indexes 78 0.0% 49 62.8% 87 2147.4 6751.3
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 22,873 14.2% 11,108 48.6% 2 37.0 284.0
Single 137,798 85.8% 55,430 40.2% 3 152.9 1377.8
PRESENT commands, by type:
MARC 30.2%
OPAC 19.4%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)