集群部署

lsb_release -a

LSB Version:    :core-4.1-amd64:core-4.1-noarch
Distributor ID: CentOS
Description:    CentOS Linux release 7.5.1804 (Core) 
Release:        7.5.1804
Codename:       Core

rpm -ivh nebula-graph-3.1.0.el7.x86_64.rpm

rpm -ivh --prefix=/opt/servers/nebula-graph-3.1.0 nebula-graph-3.1.0.el7.x86_64.rpm

# 可以配置到/etc/profile或者~/.bashrc中
##NEBULA_HOME
export NEBULA_HOME=/usr/local/nebula
export PATH=$PATH:$NEBULA_HOME/bin
export PATH=$PATH:$NEBULA_HOME/scripts 

source /etc/profile

########## basics ##########
# Whether to run as a daemon process
--daemonize=true
# The file to host the process id
--pid_file=pids/nebula-metad.pid
# 新增时区配置 默认是UTC 改为东八区
# 这个时区是针对写入时间类型的数据进行转换 不影响日志输出
--timezone_name=UTC+08:00

########## logging ##########
# The directory to host logging files
--log_dir=logs
# Log level, 0, 1, 2, 3 for INFO, WARNING, ERROR, FATAL respectively
--minloglevel=0
# Verbose log level, 1, 2, 3, 4, the higher of the level, the more verbose of the logging
--v=0
# Maximum seconds to buffer the log messages
--logbufsecs=0
# Whether to redirect stdout and stderr to separate output files
--redirect_stdout=true
# Destination filename of stdout and stderr, which will also reside in log_dir.
--stdout_log_file=metad-stdout.log
--stderr_log_file=metad-stderr.log
# Copy log messages at or above this level to stderr in addition to logfiles. The numbers of severity levels INFO, WARNING, ERROR, and FATAL are 0, 1, 2, and 3, respectively.
--stderrthreshold=2
# wether logging files' name contain time stamp, If Using logrotate to rotate logging files, than should set it to true.
--timestamp_in_logfile_name=true

########## networking ##########
# Comma separated Meta Server addresses
# 设置meta server，写ip 不要写hostname
--meta_server_addrs=192.168.0.220:9559,192.168.0.221:9559,192.168.0.222:9559
# Local IP used to identify the nebula-metad process.
# Change it to an address other than loopback if the service is distributed or
# will be accessed remotely.
# 设置本机ip
--local_ip=192.168.0.221
# Meta daemon listening port
--port=9559
# HTTP service ip
--ws_ip=0.0.0.0
# HTTP service port
--ws_http_port=19559
# Port to listen on Storage with HTTP protocol, it corresponds to ws_http_port in storage's configuration file
--ws_storage_http_port=19779

########## storage ##########
# Root data path, here should be only single path for metad
# 设置meta元数据存储目录
--data_path=/data/nebula/meta

########## Misc #########
# The default number of parts when a space is created
--default_parts_num=100
# The default replica factor when a space is created
--default_replica_factor=3

--heartbeat_interval_secs=10
--agent_heartbeat_interval_secs=60

########## basics ##########
# Whether to run as a daemon process
--daemonize=true
# The file to host the process id
--pid_file=pids/nebula-storaged.pid
# Whether to use the configuration obtained from the configuration file
--local_config=true
# 同样需要配置时区
--timezone_name=UTC+08:00

########## logging ##########
# The directory to host logging files
--log_dir=logs
# Log level, 0, 1, 2, 3 for INFO, WARNING, ERROR, FATAL respectively
--minloglevel=0
# Verbose log level, 1, 2, 3, 4, the higher of the level, the more verbose of the logging
--v=0
# Maximum seconds to buffer the log messages
--logbufsecs=0
# Whether to redirect stdout and stderr to separate output files
--redirect_stdout=true
# Destination filename of stdout and stderr, which will also reside in log_dir.
--stdout_log_file=storaged-stdout.log
--stderr_log_file=storaged-stderr.log
# Copy log messages at or above this level to stderr in addition to logfiles. The numbers of severity levels INFO, WARNING, ERROR, and FATAL are 0, 1, 2, and 3, respectively.
--stderrthreshold=2
# Wether logging files' name contain time stamp.
--timestamp_in_logfile_name=true

########## networking ##########
# Comma separated Meta server addresses
# meta服务器
--meta_server_addrs=192.168.0.220:9559,192.168.0.221:9559,192.168.0.222:9559
# Local IP used to identify the nebula-storaged process.
# Change it to an address other than loopback if the service is distributed or
# will be accessed remotely.
# 本机ip
--local_ip=192.168.0.221
# Storage daemon listening port
--port=9779
# HTTP service ip
--ws_ip=0.0.0.0
# HTTP service port
--ws_http_port=19779
# heartbeat with meta service
--heartbeat_interval_secs=10

######### Raft #########
# Raft election timeout
--raft_heartbeat_interval_secs=30
# RPC timeout for raft client (ms)
--raft_rpc_timeout_ms=500
## recycle Raft WAL
--wal_ttl=14400

########## Disk ##########
# Root data path. Split by comma. e.g. --data_path=/disk1/path1/,/disk2/path2/
# One path per Rocksdb instance.
# 数据目录 支持配置多个
--data_path=/data/nebula/storage

# Minimum reserved bytes of each data path
--minimum_reserved_bytes=268435456

# The default reserved bytes for one batch operation
--rocksdb_batch_size=4096
# The default block cache size used in BlockBasedTable.
# The unit is MB.
--rocksdb_block_cache=4
# The type of storage engine, `rocksdb', `memory', etc.
--engine_type=rocksdb

# Compression algorithm, options: no,snappy,lz4,lz4hc,zlib,bzip2,zstd
# For the sake of binary compatibility, the default value is snappy.
# Recommend to use:
#   * lz4 to gain more CPU performance, with the same compression ratio with snappy
#   * zstd to occupy less disk space
#   * lz4hc for the read-heavy write-light scenario
--rocksdb_compression=lz4

# Set different compressions for different levels
# For example, if --rocksdb_compression is snappy,
# "no:no:lz4:lz4::zstd" is identical to "no:no:lz4:lz4:snappy:zstd:snappy"
# In order to disable compression for level 0/1, set it to "no:no"
--rocksdb_compression_per_level=

# Whether or not to enable rocksdb's statistics, disabled by default
--enable_rocksdb_statistics=false

# Statslevel used by rocksdb to collection statistics, optional values are
#   * kExceptHistogramOrTimers, disable timer stats, and skip histogram stats
#   * kExceptTimers, Skip timer stats
#   * kExceptDetailedTimers, Collect all stats except time inside mutex lock AND time spent on compression.
#   * kExceptTimeForMutex, Collect all stats except the counters requiring to get time inside the mutex lock.
#   * kAll, Collect all stats
--rocksdb_stats_level=kExceptHistogramOrTimers

# Whether or not to enable rocksdb's prefix bloom filter, enabled by default.
--enable_rocksdb_prefix_filtering=true
# Whether or not to enable rocksdb's whole key bloom filter, disabled by default.
--enable_rocksdb_whole_key_filtering=false

############## Key-Value separation ##############
# Whether or not to enable BlobDB (RocksDB key-value separation support)
--rocksdb_enable_kv_separation=false
# RocksDB key value separation threshold in bytes. Values at or above this threshold will be written to blob files during flush or compaction.
--rocksdb_kv_separation_threshold=100
# Compression algorithm for blobs, options: no,snappy,lz4,lz4hc,zlib,bzip2,zstd
--rocksdb_blob_compression=lz4
# Whether to garbage collect blobs during compaction
--rocksdb_enable_blob_garbage_collection=true

############## rocksdb Options ##############
# rocksdb DBOptions in json, each name and value of option is a string, given as "option_name":"option_value" separated by comma
--rocksdb_db_options={}
# rocksdb ColumnFamilyOptions in json, each name and value of option is string, given as "option_name":"option_value" separated by comma
--rocksdb_column_family_options={"write_buffer_size":"67108864","max_write_buffer_number":"4","max_bytes_for_level_base":"268435456"}
# rocksdb BlockBasedTableOptions in json, each name and value of option is string, given as "option_name":"option_value" separated by comma
--rocksdb_block_based_table_options={"block_size":"8192"}

########## basics ##########
# Whether to run as a daemon process
--daemonize=true
# The file to host the process id
--pid_file=pids/nebula-graphd.pid
# Whether to enable optimizer
--enable_optimizer=true
# The default charset when a space is created
--default_charset=utf8
# The default collate when a space is created
--default_collate=utf8_bin
# Whether to use the configuration obtained from the configuration file
--local_config=true

########## logging ##########
# The directory to host logging files
--log_dir=logs
# Log level, 0, 1, 2, 3 for INFO, WARNING, ERROR, FATAL respectively
--minloglevel=0
# Verbose log level, 1, 2, 3, 4, the higher of the level, the more verbose of the logging
--v=0
# Maximum seconds to buffer the log messages
--logbufsecs=0
# Whether to redirect stdout and stderr to separate output files
--redirect_stdout=true
# Destination filename of stdout and stderr, which will also reside in log_dir.
--stdout_log_file=graphd-stdout.log
--stderr_log_file=graphd-stderr.log
# Copy log messages at or above this level to stderr in addition to logfiles. The numbers of severity levels INFO, WARNING, ERROR, and FATAL are 0, 1, 2, and 3, respectively.
--stderrthreshold=2
# wether logging files' name contain time stamp.
--timestamp_in_logfile_name=true
########## query ##########
# Whether to treat partial success as an error.
# This flag is only used for Read-only access, and Modify access always treats partial success as an error.
--accept_partial_success=false
# Maximum sentence length, unit byte
--max_allowed_query_size=4194304

########## networking ##########
# Comma separated Meta Server Addresses
# meta 服务器，请填写ip
--meta_server_addrs=192.168.0.220:9559,192.168.0.221:9559,192.168.0.222:9559
# Local IP used to identify the nebula-graphd process.
# Change it to an address other than loopback if the service is distributed or
# will be accessed remotely.
# 本地ip
--local_ip=192.168.0.221
# Network device to listen on
--listen_netdev=any
# Port to listen on
--port=9669
# To turn on SO_REUSEPORT or not
--reuse_port=false
# Backlog of the listen socket, adjust this together with net.core.somaxconn
--listen_backlog=1024
# The number of seconds Nebula service waits before closing the idle connections
--client_idle_timeout_secs=28800
# The number of seconds before idle sessions expire
# The range should be in [1, 604800]
--session_idle_timeout_secs=28800
# The number of threads to accept incoming connections
--num_accept_threads=1
# The number of networking IO threads, 0 for # of CPU cores
--num_netio_threads=0
# The number of threads to execute user queries, 0 for # of CPU cores
--num_worker_threads=0
# HTTP service ip
--ws_ip=0.0.0.0
# HTTP service port
--ws_http_port=19669
# storage client timeout
--storage_client_timeout_ms=60000
# Port to listen on Meta with HTTP protocol, it corresponds to ws_http_port in metad's configuration file
--ws_meta_http_port=19559

########## authentication ##########
# Enable authorization
# 认证
--enable_authorize=true
# User login authentication type, password for nebula authentication, ldap for ldap authentication, cloud for cloud authentication
--auth_type=password

########## memory ##########
# System memory high watermark ratio, cancel the memory checking when the ratio greater than 1.0
# 内存占用警告阈值 超出后会限制写入 默认是0.8 这里改为0.9
--system_memory_high_watermark_ratio=0.9

########## metrics ##########
--enable_space_level_metrics=false

########## experimental feature ##########
# if use experimental features
--enable_experimental_feature=false

cd /usr/local

scp -r nebula root@nede3:$PWD
scp -r nebula root@nede4:$PWD

# 在所有meta节点上依次启动meta服务 并查看状态
/usr/local/nebula/scripts/nebula-metad.service start
/usr/local/nebula/scripts/nebula-metad.service status
# 在所有storage节点上依次启动storage服务
/usr/local/nebula/scripts/nebula-storaged.service start
/usr/local/nebula/scripts/nebula-storaged.service status
# 在所有graphd节点上依次启动graphd服务
/usr/local/nebula/scripts/nebula-graphd.service start
/usr/local/nebula/scripts/nebula-graphd.service status

/usr/local/nebula/scripts/nebula.service start all

/usr/local/nebula/scripts/nebula.service status all

# 停止全部服务
/usr/local/nebula/scripts/nebula.service stop all

# 分别停止服务
/usr/local/nebula/scripts/nebula-metad.service stop
/usr/local/nebula/scripts/nebula-storaged.service stop
/usr/local/nebula/scripts/nebula-graphd.service stop

BALANCE LEADER;
# 查看均衡情况
SHOW HOSTS;

lsof -i:9560

进入 `systemd脚本` 目录
cd /usr/lib/systemd/system/

vim nebula-metad.service

[Unit]
Description=Nebula Graph Metad Service
After=network.target

[Service]
Type=forking
Restart=on-failure
RestartSec=5s
PIDFile=/usr/local/nebula/pids/nebula-metad.pid
ExecStart=/usr/local/nebula/scripts/nebula-metad.service start
ExecReload=/usr/local/nebula/scripts/nebula-metad.service restart
ExecStop=/usr/local/nebula/scripts/nebula-metad.service stop
PrivateTmp=true

[Install]
WantedBy=multi-user.target

vim nebula-storaged.service

[Unit]
Description=Nebula Graph Storaged Service
After=network.target

[Service]
Type=forking
Restart=on-failure
RestartSec=5s
PIDFile=/usr/local/nebula/pids/nebula-storaged.pid
ExecStart=/usr/local/nebula/scripts/nebula-storaged.service start
ExecReload=/usr/local/nebula/scripts/nebula-storaged.service restart
ExecStop=/usr/local/nebula/scripts/nebula-storaged.service stop
PrivateTmp=true

[Install]
WantedBy=multi-user.target

vim nebula-graphd.service

[Unit]
Description=Nebula Graph Graphd Service
After=network.target

[Service]
Type=forking
Restart=on-failure
RestartSec=5s
PIDFile=/usr/local/nebula/pids/nebula-graphd.pid
ExecStart=/usr/local/nebula/scripts/nebula-graphd.service start
ExecReload=/usr/local/nebula/scripts/nebula-graphd.service restart
ExecStop=/usr/local/nebula/scripts/nebula-graphd.service stop
PrivateTmp=true

[Install]
WantedBy=multi-user.target

systemctl daemon-reload

systemctl start nebula-metad
systemctl start nebula-storaged
systemctl start nebula-graphd

systemctl enable nebula-metad
systemctl enable nebula-storaged
systemctl enable nebula-graphd

mv nebula-console-linux-amd64-v3.0.0 /usr/local/nebula/bin/nebula-console
chmod 755 /usr/local/nebula/bin/nebula-console

# 默认没开启认证 密码任意指定即可 没修改配置文件的情况下
nebula-console -addr 127.0.0.0 -port 9669 -u root -p 123
# 若安装 Nebula Graph 时在 nebula-graphd.conf 中开启了认证，默认情况下root的密码是nebula，配置文件中修改了ip连接时要指定配置文件中设置的ip
nebula-console -addr 127.0.0.1 -port 9669 -u root -p nebula

add hosts 192.168.0.220:9779,192.168.0.221:9779,192.168.0.222:9779

SHOW HOSTS

SHOW SPACES

USE nba

quit

rpm -ivh nebula-graph-studio-3.3.2.x86_64.rpm

rpm -i nebula-graph-studio-3.3.2.x86_64.rpm --prefix=<path> 

Nebula Studio has been installed.
Created symlink from /etc/systemd/system/multi-user.target.wants/nebula-graph-studio.service to /usr/lib/systemd/system/nebula-graph-studio.service.
Nebula Studio started automatically.

rpm -e nebula-graph-studio-3.3.2.x86_64

Nebula Studio removed, bye~

$ lsof -i:7001

//修改 studio 服务启动端口
$ vi config/example-config.yaml

//修改
web:
#  task_id_path:
#  upload_dir:
#  tasks_dir:
#  sqlitedb_file_path:
#  ip:
  port: 7001 // 修改这个端口号，改成任意一个当前可用的即可

//重启服务
$ systemctl restart nebula-graph-studio.service