Try to use the volatile keyword wherever you can with Java6 and later versions of Java5 http://www.javaperformancetuning.com/tips/volatile.shtml http://mindprod.com/jgloss/volatile.html http://www-128.ibm.com/developerworks/library/j-thread.html
You will see better performance than using synchronize... Paul On 3/13/07, Sam Bou <[EMAIL PROTECTED]> wrote:
FYI, there is also the ConcurrentHashMap you can use: http://java.sun.com/j2se/1.5.0/docs/api/java/util/concurrent/ConcurrentHashMap.html joseph wamicha wrote: > > It takes care of threads trying to access the same resource. The method is > synchronized and all locks and mutexes are taken care of by the JAVA > runtime. Much more convenient than doing threading and resource management > in C. > > On 3/13/07, Dan Rossi <[EMAIL PROTECTED]> wrote: >> >> ive seen the statement before way over my head though >> >> http://today.java.net/pub/a/today/2004/08/02/sync1.html >> >> >> joseph wamicha wrote: >> > You may try using JAVA "synchronized" methods. >> > >> > On 3/13/07, Dan Rossi <[EMAIL PROTECTED]> wrote: >> >> >> >> Im also interested aswell, im also filling a hashmap with values to >> >> fudge the FMS virtual directories feature, but applied in the >> >> filenamegenerator bean for now. Im wondering what the most safe and >> >> efficient way to add these values are ? >> >> >> >> public void setVirtualDirectories(String virtualDirectories) { >> >> vdirectories = new HashMap<String,String>(); >> >> directories = virtualDirectories.split(","); >> >> for (int i = 0; i < directories.length; i++) { >> >> directories[i] = directories[i].trim(); >> >> String[] paths = directories[i].split(";"); >> >> >> >> if (!paths[0].equals("") && !paths[1].equals("")) >> >> { >> >> vdirectories.put(paths[0], paths[1]); >> >> } >> >> } >> >> } >> >> >> >> public String generateFilename(IScope scope, String name, >> >> String extension, GenerationType type) { >> >> String filename; >> >> >> >> filename = playbackPath + name; >> >> >> >> String[] paths = name.split("/"); >> >> >> >> >> >> if ((vdirectories.size() > 0) && vdirectories.containsKey(paths[0])) >> >> { >> >> filename = vdirectories.get(paths[0]) + paths[1]; >> >> } >> >> >> >> log.info("Generated FilePath: " + filename); >> >> return filename; >> >> >> >> } >> >> >> >> the first path is split from the filename. >> >> >> >> properties setting >> >> >> >> virtualDirectories=dir1;file:C:/somedir, dir2;file:D:/somedir >> >> >> >> >> >> Sam Bou wrote: >> >> > Is Red5 single or multi-threaded? I noticed that in >> >> http://mirror1.cvsdude.com/trac/osflash/red5/changeset/1732 that the >> >> default is multi-threaded but I'm not sure if that is only for the IO >> >> processes or for other processes as well. >> >> > >> >> > If it's multi-threaded, as a Java newbie I'm wondering if I need to >> >> synchronize the appConnect and other methods if I have something like >> >> the >> >> following, where many connections will be accessing the same variables >> >> clientCount and clientsMap: >> >> > >> >> > >> >> > >> >> > >> >> > public class Application extends ApplicationAdapter { >> >> > >> >> > private int clientCount = 0; >> >> > >> >> > private Map<String, List<String>> clientsMap = new >> HashMap<String, >> >> List<String>>(); >> >> > >> >> > public boolean appConnect(IConnection conn, Object[] params) { >> >> > >> >> > clientCount++; >> >> > >> >> > clientsMap.put(clientId, clientInfoList); >> >> > } >> >> > >> >> > >> >> > >> >> > >> >> > Any advice appreciated. >> >> > >> >> > Sam >> >> >> > >> > >> ------------------------------------------------------------------------ >> > >> > _______________________________________________ >> > Red5 mailing list >> > [email protected] >> > http://osflash.org/mailman/listinfo/red5_osflash.org >> > >> >> >> _______________________________________________ >> Red5 mailing list >> [email protected] >> http://osflash.org/mailman/listinfo/red5_osflash.org >> > > > > -- > C is forever. > > _______________________________________________ > Red5 mailing list > [email protected] > http://osflash.org/mailman/listinfo/red5_osflash.org > > -- View this message in context: http://www.nabble.com/Single-or-Multi-Threaded--tf3395583.html#a9462586 Sent from the Red5 - English mailing list archive at Nabble.com. _______________________________________________ Red5 mailing list [email protected] http://osflash.org/mailman/listinfo/red5_osflash.org
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