What are the stats of a JVM node?
JVM stats, memory pool information, garbage collection, buffer pools, number of loaded/unloaded classes. Operating system stats, load average, mem, swap. Process statistics, memory consumption, cpu usage, open file descriptors. Statistics about each thread pool, including current size, queue and rejected tasks.
How many sites are using Node JS in the world?
1. Node JS is used by at least 20 million websites. Various reports show 1% to 2.2% usage of Node Js among websites globally. Applied to the entire internet, this means Node JS powers at least 20 million sites, if not more. It’s not that surprising when you consider how many downloads Node JS has:
How to calculate the size of a node?
(integer) Total size, in bytes, of all shards assigned to the node. ( byte value ) Total data set size of all shards assigned to the node. This includes the size of shards not stored fully on the node, such as the cache for partially mounted indices .
What are the statistics of a node in Elasticsearch?
Statistics about the field data circuit breaker. Statistics about the discovery. File system information, data path, free disk space, read/write stats. HTTP connection information. Statistics about the node’s indexing load and related rejections.
What kind of identifier does a node have?
(string) Human-readable identifier for the node. Based on the Node name setting setting. (string) Host and port for the transport layer, used for internal communication between nodes in a cluster. (string) Network host for the node, based on the Network host setting setting. (string) IP address and port for the node.
What do you call the scope of a node?
This is called ‘context’. The ‘scope’ of a particular context value determines who it is shared with. There are three context scope levels: Flow – visible to all nodes on the same flow (or tab in the editor) The choice of scope for any particular value will depend on how it is being used.