MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS
Time period: 07/01/00 through 07/31/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 1,445 44,360
2-4 a.m. 566 22,883
4-6 a.m. 226 6,467
6-8 a.m. 523 13,703
8-10 a.m. 4,710 128,163
10-12 a.m. 10,561 321,353
12-2 p.m. 13,768 437,952
2-4 p.m. 16,817 537,009
4-6 p.m. 12,052 411,773
6-8 p.m. 5,476 200,222
8-10 p.m. 2,404 90,183
10-12 p.m. 2,163 83,132
__________ _____________ _________________
Total: 70,711 2,297,200
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 92
Davis 49
Irvine 96
Los Angeles 78
Riverside 5
San Diego 558
San Francisco 48
Santa Barbara 25
Santa Cruz 34
Lawrence Berkeley 8
Lawrence Livermore 6
Los Alamos 0
MELWEB 65,037
Searchlight 3,586
Other - UC 912
Other-Network UC 177
_____
70,711
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 1,784
Davis 1,011
Irvine 657
Los Angeles 917
Riverside 5
San Diego 191
San Francisco 798
Santa Barbara 156
Santa Cruz 516
Lawrence Berkeley 215
Lawrence Livermore 110
Los Alamos 0
MELWEB 2,251,568
Searchlight 15,265
Other - UC 20,521
Other-Network UC 3,486
_____
2,297,200
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.7
Standard deviation in seconds 6.8
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.5
Standard deviation in seconds 1.1
2.0 MAGAZINE & JOURNAL Database Detailed Statistics
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Median session length (minutes:seconds) 22:01
Average session length (minutes:seconds) 22:54
Longest session recorded (minutes:seconds) 188:05
Average number of searches completed per session 0.0
Retrievals per search - median 7.0
Retrievals per search - average 839.1
Retrievals per search - standard deviation 9524.8
Percent of searches completed with 0 results 25.2%
Percent of searches entered that are long 0.2%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 70,711 13.2%
PRESENT 436,774 81.5%
INIT or CLOSE 27,791 5.2%
OTHER 688 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 11,369 11.6% 3,627 31.9% 6 60.8 883.7
TITLE WORD 8,312 8.5% 3,087 37.1% 6 224.2 1654.7
EXACT TITLE 1,392 1.4% 977 70.2% 1 43.9 226.9
JOURNAL TITLE 5,956 6.1% 3,263 54.8% 11 2245.0 15354.7
EXACT JOURNAL 4,497 4.6% 1,060 23.6% 650 4325.6 9230.4
SUBJECT WORD 6,801 6.9% 3,090 45.4% 13 340.2 2510.1
EXACT SUBJECT 3,463 3.5% 723 20.9% 13 1569.0 33198.7
KEYWORD 38,037 38.8% 6,720 17.7% 25 1006.3 8689.8
DATE 2,317 2.4% 701 30.3% 18 180.8 543.0
ADDED SINCE 951 1.0% 572 60.1% 3 11.2 28.6
PUB TYPE 467 0.5% 194 41.5% 15 219.7 729.3
SUBFILE 449 0.5% 131 29.2% 23 229.7 983.8
ID 94 0.1% 11 11.7% 1 1.0 0.0
ISSN 56 0.1% 38 67.9% 533 1291.1 2152.1
SIC 0 0.0% 0 0.0% 0 0.0 0.0
ILLUS 36 0.0% 16 44.4% 17 161.8 221.5
ARTICLE 2,059 2.1% 307 14.9% 124 1835.7 4981.7
ISN 0 0.0% 0 0.0% 0 0.0 0.0
AT 11,829 12.1% 2,860 24.2% 32 1121.0 7667.6
Other indexes 69 0.1% 46 66.7% 13 235.8 817.6
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 22,273 31.5% 7,134 32.0% 19 904.3 6184.0
Single 48,438 68.5% 10,713 22.1% 20 1209.8 12419.0
PRESENT commands, by type:
MARC 45.0%
OPAC 33.6%
SMGmm/dd srv.mags MELSRV MAGAZINE & JOURNAL DATABASES Z39.50 SERVER STATISTICS (