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2: Reducing Time to First Byte in .NET Make ECC200 in .NET 2: Reducing Time to First Byte




How to generate, print barcode using .NET, Java sdk library control with example project source code free download:
2: Reducing Time to First Byte use aspx barcode data matrix integration tobuild datamatrix 2d barcode with .net Oracle Reports Overview Pinpointing bottlenecks Memory Windows Server 2003 Windows Vista, Windows Server 2008, or Windows 7 Simulating a memory shortage 26 26. 26 27 28. Caching CPU Thread usage Long wait times Additional measures Deployment Reducing round trips Building projects in release web pages Data Matrix mode Publishing your website Disabling debug mode Reducing number of assemblies Using Server.Transfer instead of Response.Redirect Always specifying the default file in URLs Permanent redirects Minimizing CNAME records.

28 29 30 32 32 32. 33 33 35 36 36 37 37 39. SSL Unwanted requests Search engine bots Hotlinking CAPTCHA Scrapers Usability testing 39 40. 3: Memory Find out more Summary Managed resources Life cycle aspx.cs page data matrix barcodes Generations Large Object Heap Counters CLR profiler Garbage collector versions Acquire late Release early Using StringBuilder to concatenate strings. Using StringBuilder When not to use StringBuilder StringBuilder capacity 48 48 48 49 49 50 53 53 54 55. 46 46. 40 41 41 42 45. 55 56 56. [ ii ]. Table of Contents 4: CPU Using Compare for case-insens itive compares Using Response.Write buffer Pooling objects over 85 KB Unmanaged resources IDisposable Counters Sessions Reducing session state life time Reducing space taken by session state Using another session mode Stop using session state Find out more Summary Identifying bottlenecks Tools Data access Connection pooling DataSet versus List Returning multiple result sets Sending multiple inserts in one go Using native data providers Exceptions Revealing the time taken by exceptions Counters DataBinder.Eval Garbage collector Threading StringBuilder Regex instantiation UtcNow Foreach Virtual properties Avoid unnecessary processing Trimming HTTP pipeline Find out more Summary Browser caching OutputCache directive.

[ iii ]. 65 66 67 67 70 70 72 73 73 73 75 75 76 77 77 78 79 80 81 82 82 82 83 86 86. 56 57 57 57 58 59 60 61 62 62 Data Matrix for .NET 63 64 64. 5: Caching Table of Contents Enabling caching in code Disa bling caching in code Proxy caching Caching different versions of the same page Cookies Removing query string from URL. URLRewrite extension to IIS 7 Data Matrix ECC200 for .NET RewritePath method in Global.asax Resetting the form action attribute .

87 88 88 89 90 91. Output caching What to cache Data Matrix ECC200 for .NET and what not to cache Enabling output caching Output cache example VaryByParam VaryByHeader VaryByCustom VaryByCustom by browser Fragment caching Post-cache substitution Output cache provider Kernel caching and IIS 7 output caching Configuring IIS caching Limitations of kernel caching Checking the contents of the kernel cache Data caching Basic use Expiry Priority File dependencies Database dependencies. Restrictions on queries Start ing the Service Broker Starting the listening service Creating the dependency Things to keep in mind Creating an output cache provider Using an output cache provider. 94 95 96 96 96 97 97 98 99 10 aspx 2d Data Matrix barcode 0 100 103 104 105 105 106 106 107 108 108 109. 91 92 93. 101 102. Item removed callback 113 114 115 116. 109 111 112 112 113. Optimal use of server cache Find out more Summary [ iv ]. Table of Contents 6: Thread Usage Asynchronous web service acce asp.net website Data Matrix ECC200 ss Synchronous version Asynchronous version Asynchronous data access layer Usage Implementation Performance testing Asynchronous generic handlers Synchronous version Asynchronous version Implementation Performance testing Asynchronous file writes Synchronous version Asynchronous version A word of caution Asynchronous web requests Configuration changes IIS 6, IIS 7 Classic Mode. I/O-related configuration ASP.NET 2.0 117 118 119 121 121 122 127 1 DataMatrix for .NET 28 128 130 132 132 133 133 134 136 137 137 137. 7: Reducing Long Wait Times Measuring wait times Creating custom counters Creating counters with Visual Studio Creating counters programmatically IIS 7 integrated mode Maximum queue size Setting timeouts aggressively Find out more Summary 143 144. 145 147. 139 140 140 141 142. 138 138. Updating counters in your cod e Viewing custom counters in perfmon Waiting concurrently Retrieving multiple result sets from the database Reducing overhead by using off-box session modes Reducing trips to the database Setting EnableSessionState Reducing serialization and transfer overhead Cutting your dependence on sessions. 148 150 151 151 151 152 152 1 aspx.cs page 2d Data Matrix barcode 53 155. Table of Contents Thread locking Minimizing the asp.net web service barcode data matrix duration of locks Using granular locks Using System.Threading.

Interlocked Using ReaderWriterLock. Acquiring a reader lock Acquiring a writer lock Alternating readers and writers 156 156 156 158 158. 8: Speeding up Database Access Pinpointing bottlenecks Missing indexes and expensive queries Missing indexes Expensive queries Unused indexes Optimizing disk writes Avoidi Data Matrix for .NET ng head seeks Using FileStream.SetLength to avoid fragmentation Using 64 K buffers Disabling 8.

3 filenames Find out more Summary. 166 166. 166 170 173. 161 162 162 162 162 163 163. 159 159 160. Locking Execution plan reuse Fragmentation Memory Disk usage CPU Fixing bottlenecks Missing indexes Performance counters dm_exec_query_optimizer_info sys.dm_exec_cached_plans 174 175. Expensive queries Clustered index Non-clustered Data Matrix for .NET index Included columns Selecting columns to give an index Maintaining indexes Cache aggregation queries Keeping records short Considering denormalization Being careful with triggers Using table variables for small temporary result sets Using full-text search instead of LIKE [ vi ]. 177 178 179 179 180 180. 175 176 176. 180 182 183 184 189 190 190 1 91 192 192 193. Table of Contents Replacing c Data Matrix barcode for .NET ursors with set-based code Minimizing traffic from SQL server to web server Object naming Using SET NOCOUNT ON Using FILESTREAM for values over 1 MB Avoiding functions on columns in WHERE clauses Using UNION ALL instead of UNION Using EXISTS instead of COUNT to find existence of records Combining SELECT and UPDATE Gathering detailed locking information Reducing blocking Reducing deadlocks Ad hoc queries Simple parameterization sp_executesql Stored procedures Preventing reuse Index rebuild Index reorganize Heap table defragmentation 193 194 194 194 195 195 195 196 196 197 199 201.
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