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4ec02286e8
celeborn/docs/configuration/master.md
mingji 4ec02286e8
[CELEBORN-1811] Update default value for celeborn.master.slot.assign.extraSlots 
### What changes were proposed in this pull request?
To avoid possible worker load skew for the stages with tiny reducer numbers.

### Why are the changes needed?
If a stage has tiny reducers and skewed partitions, The default value will lead to serious worker load imbalance cause some workers unable to handle shuffle data.

### Does this PR introduce _any_ user-facing change?
Yes

### How was this patch tested?
GA and cluster test.

Closes #3039 from FMX/1811.

Authored-by: mingji <fengmingxiao.fmx@alibaba-inc.com>
Signed-off-by: SteNicholas <programgeek@163.com>
2024-12-31 15:37:28 +08:00

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license
Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at https://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
Key Default isDynamic Description Since Deprecated
celeborn.cluster.name default false Celeborn cluster name. 0.5.0
celeborn.container.info.provider org.apache.celeborn.server.common.container.DefaultContainerInfoProvider false ContainerInfoProvider class name. Default class is org.apache.celeborn.server.common.container.DefaultContainerInfoProvider. 0.6.0
celeborn.dynamicConfig.refresh.interval 120s false Interval for refreshing the corresponding dynamic config periodically. 0.4.0
celeborn.dynamicConfig.store.backend <undefined> false Store backend for dynamic config service. The store backend can be specified in two ways: - Using the short name of the store backend defined in the implementation of ConfigStore#getName whose return value can be mapped to the corresponding backend implementation. Available options: FS, DB. - Using the service class name of the store backend implementation. If not provided, it means that dynamic configuration is disabled. 0.4.0
celeborn.dynamicConfig.store.db.fetch.pageSize 1000 false The page size for db store to query configurations. 0.5.0
celeborn.dynamicConfig.store.db.hikari.connectionTimeout 30s false The connection timeout that a client will wait for a connection from the pool for db store backend. 0.5.0
celeborn.dynamicConfig.store.db.hikari.driverClassName false The jdbc driver class name of db store backend. 0.5.0
celeborn.dynamicConfig.store.db.hikari.idleTimeout 600s false The idle timeout that a connection is allowed to sit idle in the pool for db store backend. 0.5.0
celeborn.dynamicConfig.store.db.hikari.jdbcUrl false The jdbc url of db store backend. 0.5.0
celeborn.dynamicConfig.store.db.hikari.maxLifetime 1800s false The maximum lifetime of a connection in the pool for db store backend. 0.5.0
celeborn.dynamicConfig.store.db.hikari.maximumPoolSize 2 false The maximum pool size of db store backend. 0.5.0
celeborn.dynamicConfig.store.db.hikari.password false The password of db store backend. 0.5.0
celeborn.dynamicConfig.store.db.hikari.username false The username of db store backend. 0.5.0
celeborn.dynamicConfig.store.fs.path <undefined> false The path of dynamic config file for fs store backend. The file format should be yaml. The default path is ${CELEBORN_CONF_DIR}/dynamicConfig.yaml. 0.5.0
celeborn.internal.port.enabled false false Whether to create a internal port on Masters/Workers for inter-Masters/Workers communication. This is beneficial when SASL authentication is enforced for all interactions between clients and Celeborn Services, but the services can exchange messages without being subject to SASL authentication. 0.5.0
celeborn.logConf.enabled false false When true, log the CelebornConf for debugging purposes. 0.5.0
celeborn.master.allowWorkerHostPattern <undefined> false Pattern of worker host that allowed to register with the master. If not set, all workers are allowed to register. 0.6.0
celeborn.master.denyWorkerHostPattern <undefined> false Pattern of worker host that denied to register with the master. If not set, no workers are denied to register. 0.6.0
celeborn.master.dfs.expireDirs.timeout 1h false The timeout for a expire dirs to be deleted on S3 or HDFS. 0.6.0
celeborn.master.estimatedPartitionSize.initialSize 64mb false Initial partition size for estimation, it will change according to runtime stats. 0.3.0 celeborn.shuffle.initialEstimatedPartitionSize
celeborn.master.estimatedPartitionSize.maxSize <undefined> false Max partition size for estimation. Default value should be celeborn.worker.shuffle.partitionSplit.max * 2. 0.4.1
celeborn.master.estimatedPartitionSize.minSize 8mb false Ignore partition size smaller than this configuration of partition size for estimation. 0.3.0 celeborn.shuffle.minPartitionSizeToEstimate
celeborn.master.estimatedPartitionSize.update.initialDelay 5min false Initial delay time before start updating partition size for estimation. 0.3.0 celeborn.shuffle.estimatedPartitionSize.update.initialDelay
celeborn.master.estimatedPartitionSize.update.interval 10min false Interval of updating partition size for estimation. 0.3.0 celeborn.shuffle.estimatedPartitionSize.update.interval
celeborn.master.excludeWorker.unhealthyDiskRatioThreshold 1.0 false Max ratio of unhealthy disks for excluding worker, when unhealthy disk is larger than max unhealthy count, master will exclude worker. If this value is set to 1, master will exclude worker of which disks are all unhealthy. 0.6.0
celeborn.master.hdfs.expireDirs.timeout 1h false The timeout for a expire dirs to be deleted on HDFS. 0.3.0
celeborn.master.heartbeat.application.timeout 300s false Application heartbeat timeout. 0.3.0 celeborn.application.heartbeat.timeout
celeborn.master.heartbeat.worker.timeout 120s false Worker heartbeat timeout. 0.3.0 celeborn.worker.heartbeat.timeout
celeborn.master.host <localhost> false Hostname for master to bind. 0.2.0
celeborn.master.http.auth.administers false A comma-separated list of users who have admin privileges, Note, when celeborn.master.http.auth.supportedSchemes is not set, everyone is treated as administrator. 0.6.0
celeborn.master.http.auth.basic.provider org.apache.celeborn.common.authentication.AnonymousAuthenticationProviderImpl false User-defined password authentication implementation of org.apache.celeborn.spi.authentication.PasswdAuthenticationProvider 0.6.0
celeborn.master.http.auth.bearer.provider org.apache.celeborn.common.authentication.AnonymousAuthenticationProviderImpl false User-defined token authentication implementation of org.apache.celeborn.spi.authentication.TokenAuthenticationProvider 0.6.0
celeborn.master.http.auth.supportedSchemes false A comma-separated list of master http auth supported schemes.
  • SPNEGO: Kerberos/GSSAPI authentication.
  • BASIC: User-defined password authentication, the concreted implementation is configurable via celeborn.master.http.auth.basic.provider.
  • BEARER: User-defined bearer token authentication, the concreted implementation is configurable via celeborn.master.http.auth.bearer.provider.
 0.6.0
celeborn.master.http.host <localhost> false Master's http host. 0.4.0 celeborn.metrics.master.prometheus.host,celeborn.master.metrics.prometheus.host
celeborn.master.http.idleTimeout 30s false Master http server idle timeout. 0.5.0
celeborn.master.http.maxWorkerThreads 200 false Maximum number of threads in the master http worker thread pool. 0.5.0
celeborn.master.http.port 9098 false Master's http port. 0.4.0 celeborn.metrics.master.prometheus.port,celeborn.master.metrics.prometheus.port
celeborn.master.http.proxy.client.ip.header X-Real-IP false The HTTP header to record the real client IP address. If your server is behind a load balancer or other proxy, the server will see this load balancer or proxy IP address as the client IP address, to get around this common issue, most load balancers or proxies offer the ability to record the real remote IP address in an HTTP header that will be added to the request for other devices to use. Note that, because the header value can be specified to any IP address, so it will not be used for authentication. 0.6.0
celeborn.master.http.spnego.keytab <undefined> false The keytab file for SPNego authentication. 0.6.0
celeborn.master.http.spnego.principal <undefined> false SPNego service principal, typical value would look like HTTP/_HOST@EXAMPLE.COM. SPNego service principal would be used when celeborn http authentication is enabled. This needs to be set only if SPNEGO is to be used in authentication. 0.6.0
celeborn.master.http.ssl.disallowed.protocols SSLv2,SSLv3 false SSL versions to disallow. 0.6.0
celeborn.master.http.ssl.enabled false false Set this to true for using SSL encryption in http server. 0.6.0
celeborn.master.http.ssl.include.ciphersuites false A comma-separated list of include SSL cipher suite names. 0.6.0
celeborn.master.http.ssl.keystore.algorithm <undefined> false SSL certificate keystore algorithm. 0.6.0
celeborn.master.http.ssl.keystore.password <undefined> false SSL certificate keystore password. 0.6.0
celeborn.master.http.ssl.keystore.path <undefined> false SSL certificate keystore location. 0.6.0
celeborn.master.http.ssl.keystore.type <undefined> false SSL certificate keystore type. 0.6.0
celeborn.master.http.stopTimeout 5s false Master http server stop timeout. 0.5.0
celeborn.master.internal.port 8097 false Internal port on the master where both workers and other master nodes connect. 0.5.0
celeborn.master.persist.workerNetworkLocation false false 0.6.0
celeborn.master.port 9097 false Port for master to bind. 0.2.0
celeborn.master.rackResolver.refresh.interval 30s false Interval for refreshing the node rack information periodically. 0.5.0
celeborn.master.send.applicationMeta.threads 8 false Number of threads used by the Master to send ApplicationMeta to Workers. 0.5.0
celeborn.master.slot.assign.extraSlots 100 false Extra slots number when master assign slots. 0.3.0 celeborn.slots.assign.extraSlots
celeborn.master.slot.assign.loadAware.diskGroupGradient 0.1 false This value means how many more workload will be placed into a faster disk group than a slower group. 0.3.0 celeborn.slots.assign.loadAware.diskGroupGradient
celeborn.master.slot.assign.loadAware.fetchTimeWeight 1.0 false Weight of average fetch time when calculating ordering in load-aware assignment strategy 0.3.0 celeborn.slots.assign.loadAware.fetchTimeWeight
celeborn.master.slot.assign.loadAware.flushTimeWeight 0.0 false Weight of average flush time when calculating ordering in load-aware assignment strategy 0.3.0 celeborn.slots.assign.loadAware.flushTimeWeight
celeborn.master.slot.assign.loadAware.numDiskGroups 5 false This configuration is a guidance for load-aware slot allocation algorithm. This value is control how many disk groups will be created. 0.3.0 celeborn.slots.assign.loadAware.numDiskGroups
celeborn.master.slot.assign.maxWorkers 10000 false Max workers that slots of one shuffle can be allocated on. Will choose the smaller positive one from Master side and Client side, see celeborn.client.slot.assign.maxWorkers. 0.3.1
celeborn.master.slot.assign.policy ROUNDROBIN false Policy for master to assign slots, Celeborn supports two types of policy: roundrobin and loadaware. Loadaware policy will be ignored when HDFS is enabled in celeborn.storage.availableTypes 0.3.0 celeborn.slots.assign.policy
celeborn.master.userResourceConsumption.update.interval 30s false Time length for a window about compute user resource consumption. 0.3.0
celeborn.master.workerUnavailableInfo.expireTimeout 1800s false Worker unavailable info would be cleared when the retention period is expired. Set -1 to disable the expiration. 0.3.1
celeborn.quota.enabled true false When Master side sets to true, the master will enable to check the quota via QuotaManager. When Client side sets to true, LifecycleManager will request Master side to check whether the current user has enough quota before registration of shuffle. Fallback to the default shuffle service when Master side checks that there is no enough quota for current user. 0.2.0
celeborn.redaction.regex (?i)secret password token access[.]key false
celeborn.storage.availableTypes HDD false Enabled storages. Available options: MEMORY,HDD,SSD,HDFS,S3. Note: HDD and SSD would be treated as identical. 0.3.0 celeborn.storage.activeTypes
celeborn.storage.hdfs.dir <undefined> false HDFS base directory for Celeborn to store shuffle data. 0.2.0
celeborn.storage.hdfs.kerberos.keytab <undefined> false Kerberos keytab file path for HDFS storage connection. 0.3.2
celeborn.storage.hdfs.kerberos.principal <undefined> false Kerberos principal for HDFS storage connection. 0.3.2
celeborn.storage.s3.access.key <undefined> false S3 access key for Celeborn to store shuffle data. 0.6.0
celeborn.storage.s3.dir <undefined> false S3 base directory for Celeborn to store shuffle data. 0.6.0
celeborn.storage.s3.endpoint.region <undefined> false S3 endpoint for Celeborn to store shuffle data. 0.6.0
celeborn.storage.s3.secret.key <undefined> false S3 secret key for Celeborn to store shuffle data. 0.6.0
celeborn.tags.enabled true false Whether to enable tags for workers. 0.6.0
celeborn.tags.preferClientTagsExpr false true When true, prefer the tags expression provided by the client over the tags expression provided by the master. 0.6.0
celeborn.tags.tagsExpr true Expression to filter workers by tags. The expression is a comma-separated list of tags. The expression is evaluated as a logical AND of all tags. For example, prod,high-io filters workers that have both the prod and high-io tags. 0.6.0