The parallel young generation collector is similar to the parallel garbage collector (-XX:+UseParallelGC) in intent and differs in implementation. Most of the above description for the parallel garbage collector (-XX:+UseParallelGC) therefore applies equally for the parallel young generation collector. Unlike the parallel garbage collector (-XX:+UseParallelGC) this parallel young generation collector can be used with the concurrent low pause collector that collects the tenured generation.

The new parallel garbage collector is similar to the young generation collector in the default garbage collector but uses multiple threads to do the collection. By default on a host with N CPUs, the parallel garbage collector uses N garbage collector threads in the collection. The number of garbage collector threads can be controlled with a command line option (see below). On a host with a single CPU the default garbage collector is used even if the parallel garbage collector has been requested. See similar questions...

By default low pause collector uses the default, single threaded young generation copying collector. If you specify the +XX:UseParNewGC a parallel version of the copying collector will be used. See similar questions...

Although similar in intent the collectors are different in some details of the implementation that make the parallel garbage collector better for some applications while the parallel young generation collector is better for others. Both should be tried to determine which might be better suited to a specific application. See similar questions...

The young generation should be sized large enough so that short-lived objects have a chance to die before the next young generation collection. This is a tradeoff since a larger young generation will allow more time for objects to die but may also take longer to collect. Experiment with the size of the young generation to optimize the young generation collection time or the application throughput. See similar questions...

Machines with many processors are much faster than single processors can be. Parallelism itself presents no advantages, and parallel machines are somewhat awkward to program. When extreme speed is required, it is necessary to face this awkwardness. See similar questions...

Typically uses an S-20 photocathode (with photosensitivity of 180-200 uA/lm), electrostatic inversion, and electron acceleration to achieve gain. Because of higher photosensitivity, Gen I was the first truly passive image intensifier. Gen I is characterized by geometric distortion, poor performance at low light levels, and blooming. Developed in 1960's; Vacuum Tube Technology; Full Moon Operation; Amplification: 1,000; Operating Life: 2,000 Hours See similar questions...

Tasmanian devils have four nipples, so the females can only rear a maximum of four young. Usually there are three or four young - more, indeed, in the first year of breeding, less in the second and third year of breeding. Very few Tasmanian devils breed for four years. However, like quolls, Tasmanian devils give birth to up to twenty or thirty young at a time despite only having four nipples! Obviously, only a maximum of four of these can attach to a teat. See similar questions...

Lots of interesting statistics are exported from the .NET runtime via the '.NET CLR xxx' performance counters. Use Performance Monitor to view them. See similar questions...

Dust collectors generally refer to industrial cleaners used in high contaminant loading applications. They commonly use compressed air to backflush the cartridges free of excessive contaminant to allow air to continue flowing. Commonly used in the collection of dust, smoke or any other dry contaminant. Not typically feasible for use with wet applications. See similar questions...

The correct options to use depends on your application. Here are a few typical uses but none of these may be best for your application. Two application instances running on a large multi-processor server with 4gb of physical memory. Each java application instance is allocated a part of total system memory by an explicit specification of the maximum and minimum heap sizes. See similar questions...

If you are not seeing major collections with the default collector but are seeing many major collections with the concurrent low pause collector, you are probably seeing some type of fragmentation problem. Try using a larger heap with the concurrent low pause collector. See similar questions...

Parallel imports, which are sometimes referred to as "grey market" imports, are cross broder trade in a product, without the permission of the manufacturer or publisher. Parallel imports take place when there exists significant price differences for the same good in different markets. There is trade in parallel imports in a wide range of goods, including such items as pianos, automobiles, motorcycles, chemicals, pharmaceuticals, computers, cameras, Levi jeans, music CDs and ski equipment. See similar questions...

No, the Parallel method typically results in higher R-Values, but is not considered accurate to be accepted by the building industry. See similar questions...

The U-xx stands for under xx. For example U-08 means players who were 7 or younger as of July 31st. If they turn 8 on August 1st they are still a U-08 player. See similar questions...

The three-digit ZCTA code and an "XX" suffix are applied to a large land area (generally larger than 25 square miles) where we had insufficient information to determine the five-digit codes. The USPS may not provide five-digit ZIP Code delivery service in this area. These are generally rural areas with little settlement; for example, parks, forest lands, and desert and mountainous areas. See similar questions...

Yes. People of all races, men, women, young and old alike have achieved favorable results with New Generation. See similar questions...

No! New Generation is not a drug, contains no hormones and the ingredients have been proven safe in laboratory testing. New Generation is hypoallergenic. No?it is absolutely harmless since it is not a drug, non-toxic, it is hypo-allergenic and actually used to a lesser degree in food processing for bread, cakes, mayonnaise etc., so, if it is safe enough to eat it's certainly safe enough to put on your head. See similar questions...

Much has been made of the "Lost Generation" phrase that appears at the front of Hemingway's 1926 novel, The Sun Also Rises. Hemingway attributed the phrase to Gertrude Stein who supposedly heard her French garage owner speak of his young auto mechanics, and their poor repair skills, as "une generation perdue. See similar questions...

The permanent generation is used to hold reflective of the VM itself such as class objects and method objects. These reflective objects are allocated directly into the permanent generation, and it is sized independently from the other generations. Generally, sizing of this generation can be ignored because the default size is adequate. However, programs that load many classes may need a larger permanent generation. See similar questions...