MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 08/01/01 through 08/31/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,093 38,371
2-4 a.m. 1,978 22,497
4-6 a.m. 493 11,900
6-8 a.m. 1,731 25,955
8-10 a.m. 4,482 77,925
10-12 a.m. 9,138 170,755
12-2 p.m. 8,540 157,862
2-4 p.m. 9,835 199,708
4-6 p.m. 7,357 150,494
6-8 p.m. 2,956 56,450
8-10 p.m. 1,512 30,438
10-12 p.m. 1,481 24,308
__________ _____________ _________________
Total: 52,596 966,663
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 779
Davis 1,178
Irvine 833
Los Angeles 785
Riverside 234
San Diego 530
San Francisco 646
Santa Barbara 497
Santa Cruz 567
Lawrence Berkeley 235
Lawrence Livermore 131
Los Alamos 0
MELWEB 36
Searchlight 2,937
Other - UC 41,859
Other-Network UC 1,349
_____
52,596
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 7,749
Davis 28,962
Irvine 10,270
Los Angeles 5,484
Riverside 5,455
San Diego 9,982
San Francisco 4,945
Santa Barbara 5,928
Santa Cruz 5,259
Lawrence Berkeley 4,182
Lawrence Livermore 1,448
Los Alamos 0
MELWEB 747
Searchlight 0
Other - UC 848,732
Other-Network UC 27,520
_____
966,663
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.4
Standard deviation in seconds 5.4
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.7
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:42
Average session length (minutes:seconds) 16:42
Longest session recorded (minutes:seconds) 232:39
Average number of searches completed per session 0.0
Retrievals per search - median 4.0
Retrievals per search - average 541.6
Retrievals per search - standard deviation 7610.0
Percent of searches completed with 0 results 26.6%
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 52,596 15.4%
PRESENT 266,416 78.1%
INIT or CLOSE 21,808 6.4%
OTHER 215 0.1%
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:
PERSONAL AUTHOR 25,513 35.9% 5,404 21.2% 13 194.4 3518.4
TITLE WORD 25,690 36.2% 7,417 28.9% 9 563.1 6285.5
EXACT TITLE 645 0.9% 375 58.1% 1 42.8 325.3
JOURNAL 4,585 6.5% 1,829 39.9% 8 3798.1 28875.9
EXACT JOURNAL 2,582 3.6% 1,094 42.4% 340 3177.8 8724.4
DATE 2,563 3.6% 494 19.3% 5 85.6 676.5
ADDED SINCE 5,186 7.3% 3,765 72.6% 3 11.1 23.6
SUBFILE 456 0.6% 134 29.4% 13 438.1 2724.3
LANGUAGE 595 0.8% 167 28.1% 28 448.5 1681.5
SUBJECT CATEGORY 299 0.4% 103 34.4% 13 471.0 2858.3
PUB TYPE 372 0.5% 70 18.8% 22 1228.8 14196.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 2,509 3.5% 733 29.2% 22 801.7 5795.3
Other indexes 44 0.1% 34 77.3% 12 403.0 1143.6
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 15,558 29.6% 6,400 41.1% 5 283.0 5622.1
Single 37,038 70.4% 7,573 20.4% 21 878.8 9658.1
PRESENT commands, by type:
MARC 62.0%
OPAC 23.6%
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