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[nats-streaming] Release v0.4.0
Details can be found [here](https://github.com/nats-io/nats-streaming-server/releases/tag/v0.4.0)
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‎nats-streaming/content.md

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# use -p or -P as needed.
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$ docker run -d nats-streaming
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```
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Output that you would get if you had started with `-ti` instead of `d` (for daemon):
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[1] 2017/01/19 20:27:37.540307 [INF] Starting nats-streaming-server[test-cluster] version 0.3.8
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[1] 2017/01/19 20:27:37.540462 [INF] Starting nats-server version 0.9.6
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[1] 2017/01/19 20:27:37.540493 [INF] Starting http monitor on 0.0.0.0:8222
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[1] 2017/01/19 20:27:37.540550 [INF] Listening for client connections on 0.0.0.0:4222
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[1] 2017/01/19 20:27:37.540574 [INF] Server is ready
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[1] 2017/01/19 20:27:37.825728 [INF] STAN: Message store is MEMORY
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[1] 2017/01/19 20:27:37.825798 [INF] STAN: --------- Store Limits ---------
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[1] 2017/01/19 20:27:37.825828 [INF] STAN: Channels: 100 *
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[1] 2017/01/19 20:27:37.825853 [INF] STAN: -------- channels limits -------
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[1] 2017/01/19 20:27:37.825859 [INF] STAN: Subscriptions: 1000 *
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[1] 2017/01/19 20:27:37.825864 [INF] STAN: Messages : 1000000 *
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[1] 2017/01/19 20:27:37.825876 [INF] STAN: Bytes : 976.56 MB *
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[1] 2017/01/19 20:27:37.825945 [INF] STAN: Age : unlimited *
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[1] 2017/01/19 20:27:37.825949 [INF] STAN: --------------------------------
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```bash
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[1] 2017/04/10 19:50:57.882306 [INF] STREAM: Starting nats-streaming-server[test-cluster] version 0.4.0
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[1] 2017/04/10 19:50:57.882364 [INF] STREAM: ServerID: xCixCBvHOEkaNalxlv1Xnq
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[1] 2017/04/10 19:50:57.882370 [INF] STREAM: Go version: go1.7.5
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[1] 2017/04/10 19:50:57.882451 [INF] Starting nats-server version 0.9.6
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[1] 2017/04/10 19:50:57.882504 [INF] Starting http monitor on 0.0.0.0:8222
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[1] 2017/04/10 19:50:57.882719 [INF] Listening for client connections on 0.0.0.0:4222
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[1] 2017/04/10 19:50:57.882826 [INF] Server is ready
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[1] 2017/04/10 19:50:58.164264 [INF] STREAM: Message store is MEMORY
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[1] 2017/04/10 19:50:58.164302 [INF] STREAM: --------- Store Limits ---------
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[1] 2017/04/10 19:50:58.164311 [INF] STREAM: Channels: 100 *
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[1] 2017/04/10 19:50:58.164315 [INF] STREAM: -------- channels limits -------
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[1] 2017/04/10 19:50:58.164321 [INF] STREAM: Subscriptions: 1000 *
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[1] 2017/04/10 19:50:58.164326 [INF] STREAM: Messages : 1000000 *
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[1] 2017/04/10 19:50:58.164337 [INF] STREAM: Bytes : 976.56 MB *
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[1] 2017/04/10 19:50:58.164341 [INF] STREAM: Age : unlimited *
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[1] 2017/04/10 19:50:58.164345 [INF] STREAM: --------------------------------
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```
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To use a file based store instead, you would run:
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```bash
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$ docker run -d nats-streaming -store file -dir datastore
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[1] 2017/01/19 20:28:45.169437 [INF] Starting nats-streaming-server[test-cluster] version 0.3.8
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[1] 2017/01/19 20:28:45.169722 [INF] Starting nats-server version 0.9.6
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[1] 2017/01/19 20:28:45.169748 [INF] Listening for client connections on 0.0.0.0:4222
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[1] 2017/01/19 20:28:45.169816 [INF] Server is ready
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[1] 2017/01/19 20:28:45.449668 [INF] STAN: Message store is FILE
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[1] 2017/01/19 20:28:45.449705 [INF] STAN: --------- Store Limits ---------
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[1] 2017/01/19 20:28:45.449714 [INF] STAN: Channels: 100 *
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[1] 2017/01/19 20:28:45.449719 [INF] STAN: -------- channels limits -------
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[1] 2017/01/19 20:28:45.449724 [INF] STAN: Subscriptions: 1000 *
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[1] 2017/01/19 20:28:45.449729 [INF] STAN: Messages : 1000000 *
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[1] 2017/01/19 20:28:45.449799 [INF] STAN: Bytes : 976.56 MB *
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[1] 2017/01/19 20:28:45.449805 [INF] STAN: Age : unlimited *
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[1] 2017/01/19 20:28:45.449828 [INF] STAN: --------------------------------
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You can also connect to a remote NATS Server running in a docker image.
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First, run NATS Server:
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[1] 2017/04/10 19:52:05.223258 [INF] STREAM: Starting nats-streaming-server[test-cluster] version 0.4.0
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[1] 2017/04/10 19:52:05.223300 [INF] STREAM: ServerID: QMSoDJFVKdMTahEpmE80gd
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[1] 2017/04/10 19:52:05.223329 [INF] STREAM: Go version: go1.7.5
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[1] 2017/04/10 19:52:05.223489 [INF] Starting nats-server version 0.9.6
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[1] 2017/04/10 19:52:05.223537 [INF] Listening for client connections on 0.0.0.0:4222
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[1] 2017/04/10 19:52:05.223607 [INF] Server is ready
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[1] 2017/04/10 19:52:05.502165 [INF] STREAM: Message store is FILE
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[1] 2017/04/10 19:52:05.502208 [INF] STREAM: --------- Store Limits ---------
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[1] 2017/04/10 19:52:05.502266 [INF] STREAM: Channels: 100 *
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[1] 2017/04/10 19:52:05.502273 [INF] STREAM: -------- channels limits -------
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[1] 2017/04/10 19:52:05.502279 [INF] STREAM: Subscriptions: 1000 *
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[1] 2017/04/10 19:52:05.502284 [INF] STREAM: Messages : 1000000 *
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[1] 2017/04/10 19:52:05.502303 [INF] STREAM: Bytes : 976.56 MB *
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[1] 2017/04/10 19:52:05.502308 [INF] STREAM: Age : unlimited *
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[1] 2017/04/10 19:52:05.502319 [INF] STREAM: --------------------------------
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```
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You can also connect to a remote NATS Server running in a docker image. First, run NATS Server:
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```bash
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$ docker run -d --name=nats-main nats
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```
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Now, start the Streaming server and link it to the above docker image:
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```bash
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$ docker run -d --link nats-main nats-streaming -store file -dir datastore -ns nats://nats-main:4222
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[1] 2017/01/19 20:29:19.178044 [INF] Starting nats-streaming-server[test-cluster] version 0.3.8
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[1] 2017/01/19 20:29:19.459272 [INF] STAN: Message store is FILE
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[1] 2017/01/19 20:29:19.459322 [INF] STAN: --------- Store Limits ---------
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[1] 2017/01/19 20:29:19.459336 [INF] STAN: Channels: 100 *
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[1] 2017/01/19 20:29:19.459343 [INF] STAN: -------- channels limits -------
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[1] 2017/01/19 20:29:19.459351 [INF] STAN: Subscriptions: 1000 *
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[1] 2017/01/19 20:29:19.459375 [INF] STAN: Messages : 1000000 *
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[1] 2017/01/19 20:29:19.459396 [INF] STAN: Bytes : 976.56 MB *
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[1] 2017/01/19 20:29:19.459407 [INF] STAN: Age : unlimited *
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[1] 2017/01/19 20:29:19.459413 [INF] STAN: --------------------------------
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[1] 2017/04/10 19:53:18.955779 [INF] STREAM: Starting nats-streaming-server[test-cluster] version 0.4.0
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[1] 2017/04/10 19:53:18.955819 [INF] STREAM: ServerID: khzmxBZqJxIUuCn91PWKmB
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[1] 2017/04/10 19:53:18.955831 [INF] STREAM: Go version: go1.7.5
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[1] 2017/04/10 19:53:19.306861 [INF] STREAM: Message store is FILE
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[1] 2017/04/10 19:53:19.306911 [INF] STREAM: --------- Store Limits ---------
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[1] 2017/04/10 19:53:19.306931 [INF] STREAM: Channels: 100 *
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[1] 2017/04/10 19:53:19.306946 [INF] STREAM: -------- channels limits -------
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[1] 2017/04/10 19:53:19.306950 [INF] STREAM: Subscriptions: 1000 *
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[1] 2017/04/10 19:53:19.306953 [INF] STREAM: Messages : 1000000 *
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[1] 2017/04/10 19:53:19.306961 [INF] STREAM: Bytes : 976.56 MB *
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[1] 2017/04/10 19:53:19.306968 [INF] STREAM: Age : unlimited *
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[1] 2017/04/10 19:53:19.306971 [INF] STREAM: --------------------------------
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```
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Notice that the output shows that the NATS Server was not started, as opposed to the first output.
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```
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# Commandline Options
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```bash
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Streaming Server Options:
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-cid, --cluster_id <cluster ID> Cluster ID (default: test-cluster)
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-st, --store <type> Store type: MEMORY|FILE (default: MEMORY)
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--dir <directory> For FILE store type, this is the root directory
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-mc, --max_channels <number> Max number of channels (0 for unlimited)
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-msu, --max_subs <number> Max number of subscriptions per channel (0 for unlimited)
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-mm, --max_msgs <number> Max number of messages per channel (0 for unlimited)
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-mb, --max_bytes <number> Max messages total size per channel (0 for unlimited)
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-ma, --max_age <seconds> Max duration a message can be stored ("0s" for unlimited)
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-ns, --nats_server <url> Connect to this external NATS Server (embedded otherwise)
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-sc, --stan_config <file> Streaming server configuration file
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-cid, --cluster_id <string> Cluster ID (default: test-cluster)
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-st, --store <string> Store type: MEMORY|FILE (default: MEMORY)
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--dir <string> For FILE store type, this is the root directory
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-mc, --max_channels <int> Max number of channels (0 for unlimited)
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-msu, --max_subs <int> Max number of subscriptions per channel (0 for unlimited)
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-mm, --max_msgs <int> Max number of messages per channel (0 for unlimited)
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-mb, --max_bytes <size> Max messages total size per channel (0 for unlimited)
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-ma, --max_age <duration> Max duration a message can be stored ("0s" for unlimited)
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-ns, --nats_server <string> Connect to this external NATS Server URL (embedded otherwise)
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-sc, --stan_config <string> Streaming server configuration file
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-hbi, --hb_interval <duration> Interval at which server sends heartbeat to a client
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-hbt, --hb_timeout <duration> How long server waits for a heartbeat response
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-hbf, --hb_fail_count <number> Number of failed heartbeats before server closes the client connection
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-hbf, --hb_fail_count <int> Number of failed heartbeats before server closes the client connection
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--ack_subs <int> Number of internal subscriptions handling incoming ACKs (0 means one per client's subscription)
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--ft_group <string> Name of the FT Group. A group can be 2 or more servers with a single active server and all sharing the same datastore.
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Streaming Server File Store Options:
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--file_compact_enabled Enable file compaction
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--file_compact_frag File fragmentation threshold for compaction
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--file_compact_interval <int> Minimum interval (in seconds) between file compactions
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--file_compact_min_size <int> Minimum file size for compaction
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--file_buffer_size <int> File buffer size (in bytes)
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--file_crc Enable file CRC-32 checksum
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--file_crc_poly <int> Polynomial used to make the table used for CRC-32 checksum
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--file_sync Enable File.Sync on Flush
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--file_slice_max_msgs Maximum number of messages per file slice (subject to channel limits)
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--file_slice_max_bytes Maximum file slice size - including index file (subject to channel limits)
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--file_slice_max_age Maximum file slice duration starting when the first message is stored (subject to channel limits)
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--file_slice_archive_script Path to script to use if you want to archive a file slice being removed
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--file_compact_enabled <bool> Enable file compaction
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--file_compact_frag <int> File fragmentation threshold for compaction
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--file_compact_interval <int> Minimum interval (in seconds) between file compactions
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--file_compact_min_size <size> Minimum file size for compaction
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--file_buffer_size <size> File buffer size (in bytes)
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--file_crc <bool> Enable file CRC-32 checksum
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--file_crc_poly <int> Polynomial used to make the table used for CRC-32 checksum
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--file_sync <bool> Enable File.Sync on Flush
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--file_slice_max_msgs <int> Maximum number of messages per file slice (subject to channel limits)
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--file_slice_max_bytes <size> Maximum file slice size - including index file (subject to channel limits)
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--file_slice_max_age <duration> Maximum file slice duration starting when the first message is stored (subject to channel limits)
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--file_slice_archive_script <string> Path to script to use if you want to archive a file slice being removed
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--file_fds_limit <int> Store will try to use no more file descriptors than this given limit
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Streaming Server TLS Options:
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-secure Use a TLS connection to the NATS server without
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-secure <bool> Use a TLS connection to the NATS server without
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verification; weaker than specifying certificates.
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-tls_client_key Client key for the streaming server
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-tls_client_cert Client certificate for the streaming server
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-tls_client_cacert Client certificate CA for the streaming server
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-tls_client_key <string> Client key for the streaming server
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-tls_client_cert <string> Client certificate for the streaming server
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-tls_client_cacert <string> Client certificate CA for the streaming server
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Streaming Server Logging Options:
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-SD, --stan_debug Enable STAN debugging output
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-SV, --stan_trace Trace the raw STAN protocol
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-SD, --stan_debug=<bool> Enable STAN debugging output
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-SV, --stan_trace=<bool> Trace the raw STAN protocol
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-SDV Debug and trace STAN
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(See additional NATS logging options below)
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Embedded NATS Server Options:
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-a, --addr <host> Bind to host address (default: 0.0.0.0)
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-p, --port <port> Use port for clients (default: 4222)
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-P, --pid <file> File to store PID
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-m, --http_port <port> Use port for http monitoring
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-ms,--https_port <port> Use port for https monitoring
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-c, --config <file> Configuration file
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-a, --addr <string> Bind to host address (default: 0.0.0.0)
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-p, --port <int> Use port for clients (default: 4222)
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-P, --pid <string> File to store PID
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-m, --http_port <int> Use port for http monitoring
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-ms,--https_port <int> Use port for https monitoring
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-c, --config <string> Configuration file
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Logging Options:
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-l, --log <file> File to redirect log output
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-T, --logtime Timestamp log entries (default: true)
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-s, --syslog Enable syslog as log method
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-r, --remote_syslog <addr> Syslog server addr (udp://localhost:514)
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-D, --debug Enable debugging output
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-V, --trace Trace the raw protocol
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-l, --log <string> File to redirect log output
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-T, --logtime=<bool> Timestamp log entries (default: true)
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-s, --syslog <string> Enable syslog as log method
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-r, --remote_syslog <string> Syslog server addr (udp://localhost:514)
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-D, --debug=<bool> Enable debugging output
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-V, --trace=<bool> Trace the raw protocol
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-DV Debug and trace
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Authorization Options:
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--user <user> User required for connections
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--pass <password> Password required for connections
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--auth <token> Authorization token required for connections
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--user <string> User required for connections
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--pass <string> Password required for connections
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--auth <string> Authorization token required for connections
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TLS Options:
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--tls Enable TLS, do not verify clients (default: false)
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--tlscert <file> Server certificate file
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--tlskey <file> Private key for server certificate
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--tlsverify Enable TLS, verify client certificates
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--tlscacert <file> Client certificate CA for verification
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--tls=<bool> Enable TLS, do not verify clients (default: false)
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--tlscert <string> Server certificate file
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--tlskey <string> Private key for server certificate
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--tlsverify=<bool> Enable TLS, verify client certificates
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--tlscacert <string> Client certificate CA for verification
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NATS Clustering Options:
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--routes <rurl-1, rurl-2> Routes to solicit and connect
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--cluster <cluster-url> Cluster URL for solicited routes
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--routes <string, ...> Routes to solicit and connect
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--cluster <string> Cluster URL for solicited routes
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Common Options:
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-h, --help Show this message

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