diff options
Diffstat (limited to 'cmd/dmap')
| -rw-r--r-- | cmd/dmap/main.go | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/cmd/dmap/main.go b/cmd/dmap/main.go index e024b37..08796a7 100644 --- a/cmd/dmap/main.go +++ b/cmd/dmap/main.go @@ -1,3 +1,20 @@ +// Package main provides the DMap (Distributed MapReduce) command-line tool. +// DMap is a specialized client for running MapReduce-style queries across +// distributed log files on multiple servers simultaneously via SSH. +// +// Key features: +// - SQL-like query syntax (SELECT...FROM...WHERE...GROUP BY) +// - Distributed log processing and aggregation +// - Server-side local aggregation with client-side final aggregation +// - Pluggable log format parsers (CSV, JSON, custom formats) +// - SSH-based secure connections +// - Configurable connection pooling and timeouts +// - Color-coded output for better readability +// - Built-in profiling support +// +// DMap is particularly useful for analyzing log patterns, generating +// reports, and performing statistical analysis across large distributed +// log datasets without having to collect all logs to a central location. package main import ( @@ -20,7 +37,11 @@ import ( "github.com/mimecast/dtail/internal/version" ) -// The evil begins here. +// main is the entry point for the DMap application. +// It parses command-line arguments, initializes logging, creates a MaprClient +// for executing MapReduce queries, and processes results from distributed +// servers. The function handles graceful shutdown and waits for all +// operations to complete. func main() { var displayVersion bool var pprof string |