postgresql.conf changes only

listen_addresses = '*'
max_connections = 50            # (change requires restart)
shared_buffers = 9GB            # min 128kB
huge_pages = on         # on, off, or try
temp_buffers = 256MB            # min 800kB
work_mem = 128MB                # min 64kB
maintenance_work_mem = 256MB        # min 1MB
dynamic_shared_memory_type = posix  # the default is the first option
max_files_per_process = 10000       # min 25
effective_io_concurrency = 8        # 1-1000; 0 disables prefetching
max_worker_processes = 26       # (change requires restart)
max_parallel_workers_per_gather = 13    # taken from max_parallel_workers
max_parallel_workers = 26       # maximum number of max_worker_processes that
synchronous_commit = off        # synchronization level;
wal_sync_method = fdatasync     # the default is the first option
wal_compression = on            # enable compression of full-page writes
wal_buffers = 16MB          # min 32kB, -1 sets based on shared_buffers
commit_delay = 1000         # range 0-100000, in microseconds
checkpoint_timeout = 30min      # range 30s-1d
max_wal_size = 4GB
min_wal_size = 2GB
checkpoint_completion_target = 0.9  # checkpoint target duration, 0.0 - 1.0
enable_nestloop = off
seq_page_cost = 0.1         # measured on an arbitrary scale
random_page_cost = 0.4          # same scale as above
cpu_operator_cost = 0.00025     # same scale as above
effective_cache_size = 16GB
default_statistics_target = 10000       # range 1-10000
from_collapse_limit = 8
join_collapse_limit = 8     # 1 disables collapsing of explicit
logging_collector = on      # Enable capturing of stderr and csvlog
log_directory = 'pg_log'            # directory where log files are written,
log_min_duration_statement = 50 # -1 is disabled, 0 logs all statements
log_checkpoints = on
log_lock_waits = on         # log lock waits >= deadlock_timeout
log_temp_files = 0          # log temporary files equal or larger
log_timezone = 'W-SU'
stats_temp_directory = '/mnt/ramfs'
log_autovacuum_min_duration = 1000  # -1 disables, 0 logs all actions and
temp_tablespaces = 'ram'            # a list of tablespace names, '' uses
datestyle = 'iso, dmy'
timezone = 'W-SU'
lc_messages = 'ru_RU.UTF-8'         # locale for system error message
lc_monetary = 'ru_RU.UTF-8'         # locale for monetary formatting
lc_numeric = 'ru_RU.UTF-8'          # locale for number formatting
lc_time = 'ru_RU.UTF-8'             # locale for time formatting
default_text_search_config = 'pg_catalog.russian'
max_locks_per_transaction = 640     # min 10
shared_preload_libraries = 'online_analyze, plantuner'          # (change requires restart)
online_analyze.enable = on              # online analize enabled
online_analyze.table_type = 'temporary'
online_analyze.threshold = 50
online_analyze.scale_factor = 0.1
online_analyze.min_interval = 10000
online_analyze.local_tracking = off
online_analyze.verbose = 'off'
plantuner.fix_empty_table = 'on'