G. Fowler, D. Korn, and K.-P. Vo, `Libraries and file system architecture', in B. Krishnamurthy (ed.), Practical Reusable UNIX Software, John Wiley & Sons, New York, 1995, chapter 2, pp. 25--51.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....work and a look at some directions for future enhancements to SRM. 2. Motivation At first glance it may seem that adequate support for software release management can be found in configuration management tools [2,14,23] web sites for software distribution [13,32,39] software deployment tools [15,21,24], or even some of the newer component platforms [26] However, it is pertinent to observe that these solutions expose serious deficiencies and that no single effort has tackled the issues specifically or methodically. As a result, parts of the problem are addressed in different places, but an ....

....and adaptation of installed software to change its desired behavior; and the activation and deactivation of installed software to ensure proper initialization and destruction sequences are adhered to when the software is executed. One of the earliest software deployment systems was AT T s ship [15], which since has been followed by a host of commercial systems (e.g. InstallShield [21] NetDeploy [24] Tivoli [37,38] an open source system (RPM [5,29] and a comprehensive research system (Software Dock [19] The influence of component based software is as much visible in software ....

G. Fowler, et al., Libraries and File System Architecture, in Practical Reusable UNIX Software, B. Krishnamurthy, Editor. 1995, Wiley: p. 78-90.

....analysis, used the diff e, compressed diff e, and vdelta algorithms to compute deltas. 1 Because HTML files include lines of arbitrary length, and because the standard ed editor cannot handle long lines, actual application of this technique would require use of an improved version of ed [12]. POTENTIAL BENEFITS OF DELTA ENCODING AND DATA COMPRESSION FOR HTTP 8 While the proxy based trace, by construction, omitted many of the binary format responses in the reference stream, the packet based trace included all content types. We classified these into textual and non textual ....

Glenn Fowler, David Korn, Stephen North, Herman Rao, and Kiem-Phong Vo. Libraries and File System Architecture. In Balachander Krishnamurthy (editor), Practical Reusable UNIX Software, chapter 2. John Wiley & Sons, New York, 1995.

....a single event occurrence) An event descriptor matches an event either transiently or permanently. In particular, one can specify an event descriptor that matches during some periods of time and not during other periods of time. Authentication (provided via the connection stream library libcs [Fow95] ) is performed on all client interactions and privacy is maintained on specification ownership. An atom of a Yeast specification consists of one of: ffl A time event descriptor, with a corresponding associated value. ffl An attribute of an object belonging to a predefined objectclass, a ....

Glenn Fowler. Libraries and file system architecture. In Balachander Krishnamurthy, editor, Practical Reusable UNIX Software, chapter 2, pages 44--47. Wiley, 1995.

....users were typically archived upon explicit request. Throughout our experiments, we computed deltas using vdelta, a program that generates compact deltas by essentially compressing the deltas in the process of computing them, and which can be used as a standalone compression program as well [10]. 3 We must consider the possibility that W 3 pages that are compressed in a stand alone fashion will compress so well that the deltas between two versions of a page are not much smaller than the compressed page. In this case the client and server proxies could merely compress every page (or ....

Glenn S. Fowler, David G. Korn, Steven C. North, Herman Rao, and K. Phong Vo. Libraries and file system architecture. In B. Krishnamurthy, editor, Practical Reusable UNIX Software, chapter 2. John Wiley & Sons, New York, January 1995.

.... we used to process and analyze the server logs [14] As is typical of server logs, several records were malformed due to very long lines (often due to inclusion of certain cgi resources that had an abnormal number of name, value pairs) We used the ast library and sfio (safe fast i o) [15, 16] routines to avoid problems emanating from fixed width arrays and overflows. Sfio provides primitives designed to handled arbitrary size buffers and is portable across various architectures and file sizes. Its ability, for example, via sfgetr( to automatically convert a record being read in to a ....

G. Fowler, D. Korn, and K.-P. Vo, "Libraries and file system architecture," in Practical Reusable UNIX Software (B. Krishnamurthy, ed.), ch. 2, New York, NY: John Wiley & Sons, 1995. http://www.research.att.com/library/books/reuse.

.... command, for use as input to the ed text editor (rather than for direct use by humans) 1 1 Because HTML files include lines of arbitrary length, and because the standard ed editor cannot handle long lines, actual application of this technique would require use of an improved version of ed [11]. POTENTIAL BENEFITS OF DELTA ENCODING AND DATA COMPRESSION FOR HTTP This is a corrected version of a paper appearing in Proc. ACM SIGCOMM 97 4 . compressed diff e: the output of diff e, but compressed using the gzip program. vdelta: this program inherently compresses its output [9] We ....

G. Fowler, D. Korn, S. North, H. Rao, and K. P. Vo. Libraries and File System Architecture. In B. Krishnamurthy (editor), Practical Reusable UNIX Software, chapter 2. John Wiley & Sons, New York, 1995.

....at the software we used to process and analyze the server logs. As is typical of server logs, several records were malformed due to very long lines (often due to inclusion of certain cgi resources that had an abnormal number of name, value pairs) We used the ast library and sfio (safe fast i o) [12, 13] routines to avoid problems emanating from fixed width arrays and overflows. Sfio provides primitives designed to handled arbitrary size buffers and is portable across various architectures and file sizes. The entries needed for our study were the IP address of the client (proxy) the accessed ....

G. Fowler, D. Korn, and K.-P. Vo, "Libraries and file system architecture," in Practical Reusable UNIX Software (B. Krishnamurthy, ed.), ch. 2, New York, NY: John Wiley & Sons, 1995. http://www.research.att.com/library/books/reuse.

.... 481,628 2,031 Nagano (1) 11,665,713 61,707 33,875 Table 1: Some server logs and their characteristics Given the range and diversity in the collection of logs, we need robust and efficient tools to clean and process the logs we relied on the libast library and the sfio (safe fast I O) routines [10, 11]. The primary goal of the libast was to increase reuse and portability, while sfio provided ways for efficient manipulation of buffers. These two libraries and other more efficient and correct implementations of several popular UNIX commands are part of the ast collection [10] 2 Cleaning the ....

....I O) routines [10, 11] The primary goal of the libast was to increase reuse and portability, while sfio provided ways for efficient manipulation of buffers. These two libraries and other more efficient and correct implementations of several popular UNIX commands are part of the ast collection [10]. 2 Cleaning the Server Logs As part of processing an HTTP request, the Web server generates a log entry with several fields in it; the number of fields range anywhere from half a dozen to twenty elements depending on the server) There are over a dozen different logging formats including ....

Glenn Fowler, David Korn, and Kiem-Phong Vo. Libraries and file system architecture. In Balachander Krishnamurthy, editor, Practical Reusable UNIX Software, chapter 2. John Wiley & Sons, New York, NY, 1995. http://www.research.att.com/library/books/reuse.

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G. Fowler, D. Korn, and K.-P. Vo, `Libraries and file system architecture', in B. Krishnamurthy (ed.), Practical Reusable UNIX Software, John Wiley & Sons, New York, 1995, chapter 2, pp. 25--51.

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