The HttpUrlConnection is buffering the data so that it can set the Content-Length header (per HTTP spec). One alternative, if your destination server supports it, is to use “chunked” transfers. This will buffer only a small portion of data at a time. However, not all services support it (Amazon S3, for example, doesn’t). Another alternative … Read more
To read large JSON string with use of JsonConvert.DeserializeObject will consume your lots of memory. So One of the ways to over come from this issue, you can create an instance of JsonSerializer as given below. using (StreamReader r = new StreamReader(filePath)) { using (JsonReader reader = new JsonTextReader(r)) { JsonSerializer serializer = new JsonSerializer(); … Read more
With a little more information I can get a more helpful answer. If you are using MySQL: stmt = conn.createStatement(java.sql.ResultSet.TYPE_FORWARD_ONLY, java.sql.ResultSet.CONCUR_READ_ONLY); stmt.setFetchSize(Integer.MIN_VALUE); from http://www.oracle.com/technology/tech/java/sqlj_jdbc/htdocs/jdbc_faq.html: java.util.Properties info = new java.util.Properties(); info.put (“user”, “scott”); info.put (“password”,”tiger”); info.put (“defaultRowPrefetch”,”15″); getConnection (“jdbc:oracle:oci:@”,info);
I was dealing with the same problem and I think, in the end, that actually I’ve found a workaround, I am not a pro programmer but here is my solution: public Task ReleaseSingleImageMemoryTask(MyImage myImage, object control) { Pivot myPivot = control as Pivot; Task t = Task.Factory.StartNew(() => { Deployment.Current.Dispatcher.BeginInvoke(() => { if (myImage.img.UriSource != … Read more
The exact reason depends on a variety of factors, but most likely you are simply just adding too much to the archive. Try using the ZipArchiveMode.Create option instead, which writes the archive directly to disk without caching it in memory. If you are really trying to update an existing archive, you can still use ZipArchiveMode.Create. … Read more
I think you just configured the maximum heap size of netbeans IDE itself and not your program. Go to your project “properties“, select “Run” category. In the “VM Options” text box put your arguments (-Xmx512m).
This is not an exact answer to the original question, “how to force GC’, yet, I think it will help you to reexamine your issue. After seeing your comment, Putting the GC.Collect(); does seem to help, altought it still does not solve the problem completely – for some reason the program still crashes when about … Read more
Memory management in Linux is a bit tricky to understand, and I can’t say I fully understand it yet, but I’ll try to share a little bit of my experience and knowledge. Short answer to your question: Yes there are other stuff included than whats in the list. What’s being shown in your list is … Read more
When you say you increased MAVEN_OPTS, what values did you increase? Did you increase the MaxPermSize, as in example: export MAVEN_OPTS=”-Xmx512m -XX:MaxPermSize=128m” (or on Windows:) set MAVEN_OPTS=-Xmx512m -XX:MaxPermSize=128m You can also specify these JVM options in each maven project separately.
You can put your whole code that it is inside your loop inside an autoreleasepool: If you write a loop that creates many temporary objects. You may use an autorelease pool block inside the loop to dispose of those objects before the next iteration. Using an autorelease pool block in the loop helps to reduce … Read more