README.md

Postgres output

It sends the event batches to postgres db using pgx.

Config params

strict bool default=false

Deprecated. Use strict_fields flag instead.

strict_fields bool default=false

In strict mode file.d will crash on events without required fields.

conn_string string required

PostgreSQL connection string in URL or DSN format.

Example DSN:

user=user password=secret host=pg.example.com port=5432 dbname=mydb sslmode=disable pool_max_conns=10

table string required

Pg target table.

columns []ConfigColumn required

Array of DB columns. Each column have: name, type (int, string, timestamp - which int that will be converted to timestamptz of rfc3339) and nullable options.

retry int default=10

Retries of insertion. If File.d cannot insert for this number of attempts, File.d will fall with non-zero exit code or skip message (see fatal_on_failed_insert).

fatal_on_failed_insert bool default=false

After an insert error, fall with a non-zero exit code or not Experimental feature

retention cfg.Duration default=50ms

Retention milliseconds for retry to DB.

db_request_timeout cfg.Duration default=3000ms

Multiplier for exponential increase of retention between retries cfg.Duration default=3000ms

Timeout for DB requests in milliseconds.

db_health_check_period cfg.Duration default=60s

Timeout for DB health check.

workers_count cfg.Expression default=gomaxprocs*4

How much workers will be instantiated to send batches.

batch_size cfg.Expression default=capacity/4

Maximum quantity of events to pack into one batch.

batch_size

batch_size_bytes cfg.Expression default=0

A minimum size of events in a batch to send. If both batch_size and batch_size_bytes are set, they will work together.

batch_flush_timeout cfg.Duration default=200ms

After this timeout batch will be sent even if batch isn't completed.

Example

Example Postgres output example:

pipelines:
  example_pipeline:
    input:
      type: file
      persistence_mode: async
      watching_dir: ./
      filename_pattern: input_example.json
      offsets_file: ./offsets.yaml
      offsets_op: reset
	output:
      type: postgres
      conn_string: "user=postgres host=localhost port=5432 dbname=postgres sslmode=disable pool_max_conns=10"
      table: events
      columns:
        - name: id
          type: int
        - name: name
          type: string
      retry: 10
      retention: 1s
      retention_exponentially_multiplier: 1.5

input_example.json

{"id":1,"name":"name1"}
{"id":2,"name":"name2"}

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