JVM Common parameter configuration---from the in-depth understanding of Java virtual machines, Java Performance authoritative guide

Common configuration rollups
Heap Settings
-XMS: initial Heap Size
-XMX: Maximum Heap Size
-xx:newsize=n: Setting the Cenozoic size
-xx:newratio=n: Sets the ratio of the Cenozoic to the old age. For example: 3, indicating the ratio of Cenozoic to the old age is 1:3, the Cenozoic generation of the entire generation of the old age and 1/4
-xx:survivorratio=n: The ratio of Eden to two Survivor regions in the Cenozoic. Note that there are two Survivor districts. For example: 3, which represents Eden:survivor=3:2, a Survivor area of 1/5 of the entire Cenozoic
-xx:permsize=n: Set the initial size of the permanent generation (method area)
-xx:maxpermsize=n: Set the maximum size for a permanent generation
Collector Settings
-XX:+USESERIALGC: Setting up the serial collector (Serial)
-XX:+USEPARALLELGC: Setting up the parallel collector (Parallel)
-XX:+USEPARALLEDLOLDGC: Set parallel old age collector
-XX:+USECONCMARKSWEEPGC: Setting up the Concurrency collector (CMS)
Garbage collection Statistics
-xx:+printgc
-xx:+printgcdetails (most commonly used)
-xx:+printgctimestamps
-xloggc:filename
Parallel collector settings
-xx:parallelgcthreads=n: Sets the number of CPUs used when the parallel collector is collected. Parallel collection//thread count.
-xx:maxgcpausemillis=n: Set maximum pause time for parallel collection
-xx:gctimeratio=n: Sets the percentage of time that garbage collection takes to run the program. Formula 1/(1+N)
Concurrent collector Settings
-xx:+cmsincrementalmode: Set to incremental mode. Suitable for single CPU situations (rarely used, deprecated in jdk1.8).
-xx:parallelgcthreads=n: Sets the number of CPUs used by the concurrency collector when the Cenozoic collection is collected in parallel. The number of parallel collection threads.

G1 Collector Settings

-xx:g1heapregionsize=n: Setting the G1 partition size

-xx:maxgcpausemillis=n: Consistent with throughput collectors to control the time of Stop-the-word (this is the main tuning method of G1)

JVM Common parameter configuration---from the in-depth understanding of Java virtual machines, Java Performance authoritative guide