MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 10/01/01 through 10/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 8,045 93,059
2-4 a.m. 4,346 40,826
4-6 a.m. 4,687 43,187
6-8 a.m. 8,873 98,957
8-10 a.m. 23,330 342,760
10-12 a.m. 37,604 690,456
12-2 p.m. 39,224 692,057
2-4 p.m. 44,247 823,998
4-6 p.m. 31,264 551,384
6-8 p.m. 17,802 288,007
8-10 p.m. 12,381 244,841
10-12 p.m. 9,600 179,118
__________ _____________ _________________
Total: 241,403 4,088,650
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 10
Davis 8
Irvine 202
Los Angeles 7
Riverside 1
San Diego 8
San Francisco 5
Santa Barbara 3
Santa Cruz 0
Lawrence Berkeley 4
Lawrence Livermore 5
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 186,985
Other-Network UC 54,165
_____
241,403
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 36
Davis 2
Irvine 700
Los Angeles 0
Riverside 2
San Diego 35
San Francisco 40
Santa Barbara 54
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 17
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 4,002,334
Other-Network UC 85,430
_____
4,088,650
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 1.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.1
Standard deviation in seconds 0.7
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:10
Average session length (minutes:seconds) 16:25
Longest session recorded (minutes:seconds) 228:15
Average number of searches completed per session 26823
Retrievals per search - median 1.0
Retrievals per search - average 74.8
Retrievals per search - standard deviation 989.8
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 241,403 19.9%
PRESENT 832,294 68.4%
INIT or CLOSE 141,927 11.7%
OTHER 346 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 TITLE105959 38.2% 42,538 40.1% 5 202.9 1648.5
EXACT PE TITLE 51,734 18.7% 12,642 24.4% 2 45.5 1042.0
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 6,838 2.5% 6,295 92.1% 2 17.4 132.3
CORP AUTHOR 13,527 4.9% 12,052 89.1% 7 103.6 510.3
EXACT CORP AUTH 489 0.2% 169 34.6% 6 108.3 246.2
SUBJECT 22,208 8.0% 13,918 62.7% 14 331.1 1340.9
EXACT SUBJECT 1,875 0.7% 587 31.3% 9 309.1 1735.1
SERIES 255 0.1% 219 85.9% 3 91.8 286.6
EXACT SERIES 50 0.0% 22 44.0% 41 222.6 363.0
CODEN 66 0.0% 21 31.8% 1 1.5 0.9
ISBN 11,411 4.1% 11,406 100% 3 2.2 1.1
LCCN 2,146 0.8% 2,101 97.9% 1 1.4 0.8
ISSN 34,351 12.4% 2,238 6.5% 1 1.6 1.0
INDEXED BY 21 0.0% 20 95.2% 1,583 1583.0 0.0
DLA ID 2 0.0% 2 100% 0 0.0 0.0
LOCAL NUM 73 0.0% 66 90.4% 16 17.4 15.2
GOV'T DOC NUM 28 0.0% 27 96.4% 53 53.0 0.0
REPORT NUM 10 0.0% 10 100% 0 0.0 0.0
STOCK NUM 10 0.0% 9 90.0% 154 154.0 0.0
GPO ITEM NUM 11 0.0% 10 90.9% 2 2.0 0.0
AT 25,495 9.2% 6,853 26.9% 2 41.3 269.1
RPE 350 0.1% 248 70.9% 7 164.0 728.9
RXPE 78 0.0% 46 59.0% 3 21.4 52.6
Other indexes 164 0.1% 106 64.6% 126 846.7 1572.1
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 34,966 14.5% 15,429 44.1% 2 41.6 273.5
Single 206,437 85.5% 80,073 38.8% 2 136.5 1360.8
PRESENT commands, by type:
MARC 30.5%
OPAC 20.4%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)