MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 01/01/01 through 01/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 4,277 55,477
2-4 a.m. 2,703 35,723
4-6 a.m. 2,678 22,484
6-8 a.m. 4,671 58,239
8-10 a.m. 12,321 253,948
10-12 a.m. 25,050 556,233
12-2 p.m. 26,087 571,411
2-4 p.m. 29,773 634,081
4-6 p.m. 23,692 470,043
6-8 p.m. 12,893 240,897
8-10 p.m. 8,647 159,592
10-12 p.m. 7,111 123,355
__________ _____________ _________________
Total: 159,903 3,181,483
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 3
Davis 1
Irvine 269
Los Angeles 0
Riverside 0
San Diego 1
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 119,193
Searchlight 10,629
Other - UC 1,510
Other-Network UC 28,297
_____
159,903
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 16
Davis 0
Irvine 491
Los Angeles 0
Riverside 0
San Diego 2
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,112,245
Searchlight 0
Other - UC 15,117
Other-Network UC 53,612
_____
3,181,483
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) 20:17
Average session length (minutes:seconds) 16:23
Longest session recorded (minutes:seconds) 241:50
Average number of searches completed per session 159903
Retrievals per search - median 1.0
Retrievals per search - average 73.3
Retrievals per search - standard deviation 976.0
Percent of searches completed with 0 results 37.6%
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 159,903 18.6%
PRESENT 610,843 71.1%
INIT or CLOSE 87,759 10.2%
OTHER 303 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 TITLE77,403 41.2% 27,294 35.3% 5 169.9 1579.4
EXACT PE TITLE 37,140 19.8% 8,979 24.2% 2 33.8 693.5
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 4,948 2.6% 4,483 90.6% 3 19.1 93.2
CORP AUTHOR 6,411 3.4% 5,263 82.1% 7 119.7 608.7
EXACT CORP AUTH 500 0.3% 222 44.4% 6 91.3 234.0
SUBJECT 15,006 8.0% 9,544 63.6% 14 314.3 1291.4
EXACT SUBJECT 1,464 0.8% 545 37.2% 9 317.0 1573.8
SERIES 180 0.1% 152 84.4% 2 51.8 245.5
EXACT SERIES 42 0.0% 18 42.9% 6 57.0 115.8
CODEN 151 0.1% 72 47.7% 1 1.2 1.3
ISBN 6,595 3.5% 6,585 99.8% 3 2.4 1.1
LCCN 397 0.2% 371 93.4% 1 1.1 0.3
ISSN 14,683 7.8% 1,087 7.4% 1 1.7 1.3
INDEXED BY 19 0.0% 18 94.7% 1 1.0 0.0
DLA ID 7 0.0% 3 42.9% 1 1.0 0.0
LOCAL NUM 164 0.1% 157 95.7% 1 1.3 0.5
GOV'T DOC NUM 24 0.0% 22 91.7% 4,932 4932.0 6904.2
REPORT NUM 12 0.0% 12 100% 0 0.0 0.0
STOCK NUM 10 0.0% 10 100% 0 0.0 0.0
GPO ITEM NUM 6 0.0% 6 100% 0 0.0 0.0
AT 22,210 11.8% 5,886 26.5% 3 46.7 327.1
RPE 316 0.2% 210 66.5% 7 113.8 585.5
RXPE 78 0.0% 45 57.7% 4 10.2 15.7
Other indexes 127 0.1% 86 67.7% 237 1501.7 3860.0
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 27,173 17.0% 10,273 37.8% 3 47.3 332.3
Single 132,730 83.0% 49,843 37.6% 3 131.7 1344.6
PRESENT commands, by type:
MARC 29.0%
OPAC 20.3%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)