MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 10/01/99 through 10/31/99
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,730 51,143
2-4 a.m. 1,236 8,105
4-6 a.m. 1,080 9,772
6-8 a.m. 2,062 17,330
8-10 a.m. 7,178 72,750
10-12 a.m. 15,768 174,125
12-2 p.m. 17,823 193,431
2-4 p.m. 20,601 204,513
4-6 p.m. 14,847 165,229
6-8 p.m. 7,700 111,442
8-10 p.m. 5,336 55,401
10-12 p.m. 3,722 52,336
__________ _____________ _________________
Total: 100,083 1,115,577
1.1 SEARCH commands
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Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 24
Davis 0
Irvine 716
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 41,881
Other - UC 50,504
Other-Network UC 6,958
_____
100,083
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 309
Davis 0
Irvine 1,857
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 459,551
Other - UC 549,953
Other-Network UC 103,907
_____
1,115,577
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 0.3
Standard deviation in seconds 7.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.9
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 21:26
Average session length (minutes:seconds) 22:00
Longest session recorded (minutes:seconds) 376:01
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 80.8
Retrievals per search - standard deviation 1140.6
Percent of searches completed with 0 results 29.2%
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 100,083 24.0%
PRESENT 276,868 66.5%
INIT or CLOSE 39,157 9.4%
OTHER 145 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 TITLE46,268 36.8% 10,000 21.6% 4 144.9 1669.0
EXACT PE TITLE 29,162 23.2% 6,693 22.9% 2 32.3 821.9
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 2,409 1.9% 2,168 90.0% 2 31.2 159.1
CORP AUTHOR 2,794 2.2% 1,947 69.7% 7 102.5 524.1
EXACT CORP AUTH 303 0.2% 81 26.7% 5 175.2 2088.4
SUBJECT 14,674 11.7% 8,634 58.8% 12 287.1 1209.5
EXACT SUBJECT 1,308 1.0% 446 34.1% 9 167.0 1058.0
SERIES 145 0.1% 119 82.1% 3 39.7 102.1
EXACT SERIES 36 0.0% 19 52.8% 4 79.2 163.4
CODEN 10 0.0% 7 70.0% 1 2.3 2.3
ISBN 537 0.4% 537 100% 0 0.0 0.0
LCCN 30 0.0% 29 96.7% 1 1.0 0.0
ISSN 4,463 3.6% 416 9.3% 1 1.5 0.9
INDEXED BY 27 0.0% 27 100% 0 0.0 0.0
DLA ID 5 0.0% 2 40.0% 1 1.0 0.0
LOCAL NUM 11 0.0% 7 63.6% 4 14.0 22.8
GOV'T DOC NUM 23 0.0% 21 91.3% 24 24.0 32.5
REPORT NUM 11 0.0% 11 100% 0 0.0 0.0
STOCK NUM 11 0.0% 11 100% 0 0.0 0.0
GPO ITEM NUM 4 0.0% 4 100% 0 0.0 0.0
AT 22,770 18.1% 5,452 23.9% 2 47.1 349.8
RPE 362 0.3% 227 62.7% 6 121.4 541.2
RXPE 111 0.1% 53 47.7% 3 44.7 201.8
Other indexes 147 0.1% 89 60.5% 679 2941.7 8511.8
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 24,877 24.9% 7,248 29.1% 3 51.4 500.6
Single 75,206 75.1% 21,931 29.2% 3 134.8 1534.3
PRESENT commands, by type:
MARC 47.3%
OPAC 31.2%