MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS
Time period: 04/01/00 through 04/30/00
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 3,778 77,349
2-4 a.m. 2,119 36,517
4-6 a.m. 1,933 39,590
6-8 a.m. 3,083 59,528
8-10 a.m. 10,304 269,795
10-12 a.m. 21,577 524,045
12-2 p.m. 24,248 558,465
2-4 p.m. 28,255 670,615
4-6 p.m. 21,311 478,607
6-8 p.m. 11,969 264,943
8-10 p.m. 9,357 202,288
10-12 p.m. 5,730 116,170
__________ _____________ _________________
Total: 143,664 3,297,912
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 2
Davis 4
Irvine 870
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 2
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 118,531
Searchlight 11,150
Other - UC 2,511
Other-Network UC 10,594
_____
143,664
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 3
Davis 14
Irvine 2,095
Los Angeles 0
Riverside 0
San Diego 0
San Francisco 0
Santa Barbara 0
Santa Cruz 13
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 3,250,941
Searchlight 1,003
Other - UC 19,104
Other-Network UC 24,739
_____
3,297,912
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 2.1
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.4
2.0 PERIODICALS Database Detailed Statistics
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Median session length (minutes:seconds) 20:23
Average session length (minutes:seconds) 17:19
Longest session recorded (minutes:seconds) 236:26
Average number of searches completed per session 0.0
Retrievals per search - median 1.0
Retrievals per search - average 75.3
Retrievals per search - standard deviation 1071.3
Percent of searches completed with 0 results 32.6%
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 143,664 16.8%
PRESENT 635,610 74.2%
INIT or CLOSE 77,032 9.0%
OTHER 671 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:
PERIODICAL TITLE65,993 38.6% 20,282 30.7% 5 152.2 1528.3
EXACT PE TITLE 37,123 21.7% 8,531 23.0% 2 53.8 1245.1
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 3,468 2.0% 3,122 90.0% 3 15.7 38.7
CORP AUTHOR 3,760 2.2% 2,700 71.8% 7 95.9 424.5
EXACT CORP AUTH 341 0.2% 80 23.5% 4 64.1 284.9
SUBJECT 18,761 11.0% 11,729 62.5% 12 286.9 1310.6
EXACT SUBJECT 1,561 0.9% 511 32.7% 7 136.2 697.9
SERIES 178 0.1% 146 82.0% 5 45.1 145.4
EXACT SERIES 52 0.0% 30 57.7% 6 47.1 91.1
CODEN 20 0.0% 18 90.0% 2 2.0 1.4
ISBN 1,233 0.7% 1,232 99.9% 3 3.0 0.0
LCCN 33 0.0% 29 87.9% 1 1.5 1.0
ISSN 14,283 8.4% 1,063 7.4% 1 1.6 1.0
INDEXED BY 23 0.0% 23 100% 0 0.0 0.0
DLA ID 0 0.0% 0 0.0% 0 0.0 0.0
LOCAL NUM 17 0.0% 7 41.2% 3 9.7 15.6
GOV'T DOC NUM 30 0.0% 28 93.3% 26 26.0 29.7
REPORT NUM 9 0.0% 8 88.9% 688 688.0 0.0
STOCK NUM 9 0.0% 9 100% 0 0.0 0.0
GPO ITEM NUM 3 0.0% 3 100% 0 0.0 0.0
AT 23,272 13.6% 6,264 26.9% 2 45.2 409.7
RPE 384 0.2% 255 66.4% 10 168.6 705.6
RXPE 103 0.1% 73 70.9% 4 16.2 44.7
Other indexes 113 0.1% 83 73.4% 231 664.9 1120.1
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 26,298 18.3% 8,743 33.2% 2 45.3 406.6
Single 117,366 81.7% 38,038 32.4% 3 126.3 1426.9
PRESENT commands, by type:
MARC 28.1%
OPAC 18.5%
SPEmm/dd srv.pe MELSRV PERIODICALS DATABASES Z39.50 SERVER STATISTICS (weekly)