数据湖客户端运维工具Hudi-Cli实战

help

hudi:student_mysql_cdc_hudi_fl->help
AVAILABLE COMMANDS

Archived Commits Command
       trigger archival: trigger archival
       show archived commits: Read commits from archived files and show details
       show archived commit stats: Read commits from archived files and show details

Bootstrap Command
       bootstrap run: Run a bootstrap action for current Hudi table
       bootstrap index showmapping: Show bootstrap index mapping
       bootstrap index showpartitions: Show bootstrap indexed partitions

Built-In Commands
       help: Display help about available commands
       stacktrace: Display the full stacktrace of the last error.
       clear: Clear the shell screen.
       quit, exit: Exit the shell.
       history: Display or save the history of previously run commands
       version: Show version info
       script: Read and execute commands from a file.

Cleans Command
       cleans show: Show the cleans
       clean showpartitions: Show partition level details of a clean
       cleans run: run clean

Clustering Command
       clustering run: Run Clustering
       clustering scheduleAndExecute: Run Clustering. Make a cluster plan first and execute that plan immediately
       clustering schedule: Schedule Clustering

Commits Command
       commits compare: Compare commits with another Hoodie table
       commits sync: Sync commits with another Hoodie table
       commit showpartitions: Show partition level details of a commit
       commits show: Show the commits
       commits showarchived: Show the archived commits
       commit showfiles: Show file level details of a commit
       commit show_write_stats: Show write stats of a commit

Compaction Command
       compaction run: Run Compaction for given instant time
       compaction scheduleAndExecute: Schedule compaction plan and execute this plan
       compaction showarchived: Shows compaction details for a specific compaction instant
       compaction repair: Renames the files to make them consistent with the timeline as dictated by Hoodie metadata. Use when compaction unschedule fails partially.
       compaction schedule: Schedule Compaction
       compaction show: Shows compaction details for a specific compaction instant
       compaction unscheduleFileId: UnSchedule Compaction for a fileId
       compaction validate: Validate Compaction
       compaction unschedule: Unschedule Compaction
       compactions show all: Shows all compactions that are in active timeline
       compactions showarchived: Shows compaction details for specified time window

Diff Command
       diff partition: Check how file differs across range of commits. It is meant to be used only for partitioned tables.
       diff file: Check how file differs across range of commits

Export Command
       export instants: Export Instants and their metadata from the Timeline

File System View Command
       show fsview all: Show entire file-system view
       show fsview latest: Show latest file-system view

HDFS Parquet Import Command
       hdfsparquetimport: Imports Parquet table to a hoodie table

Hoodie Log File Command
       show logfile records: Read records from log files
       show logfile metadata: Read commit metadata from log files

Hoodie Sync Validate Command
       sync validate: Validate the sync by counting the number of records

Kerberos Authentication Command
       kerberos kdestroy: Destroy Kerberos authentication
       kerberos kinit: Perform Kerberos authentication

Markers Command
       marker delete: Delete the marker

Metadata Command
       metadata stats: Print stats about the metadata
       metadata list-files: Print a list of all files in a partition from the metadata
       metadata list-partitions: List all partitions from metadata
       metadata validate-files: Validate all files in all partitions from the metadata
       metadata delete: Remove the Metadata Table
       metadata create: Create the Metadata Table if it does not exist
       metadata init: Update the metadata table from commits since the creation
       metadata set: Set options for Metadata Table

Repairs Command
       repair deduplicate: De-duplicate a partition path contains duplicates & produce repaired files to replace with
       rename partition: Rename partition. Usage: rename partition --oldPartition <oldPartition> --newPartition <newPartition>
       repair overwrite-hoodie-props: Overwrite hoodie.properties with provided file. Risky operation. Proceed with caution!
       repair migrate-partition-meta: Migrate all partition meta file currently stored in text format to be stored in base file format. See HoodieTableConfig#PARTITION_METAFILE_USE_DATA_FORMAT.
       repair addpartitionmeta: Add partition metadata to a table, if not present
       repair deprecated partition: Repair deprecated partition ("default"). Re-writes data from the deprecated partition into __HIVE_DEFAULT_PARTITION__
       repair show empty commit metadata: show failed commits
       repair corrupted clean files: repair corrupted clean files

Rollbacks Command
       show rollback: Show details of a rollback instant
       commit rollback: Rollback a commit
       show rollbacks: List all rollback instants

Savepoints Command
       savepoint rollback: Savepoint a commit
       savepoints show: Show the savepoints
       savepoint create: Savepoint a commit
       savepoint delete: Delete the savepoint

Spark Env Command
       set: Set spark launcher env to cli
       show env: Show spark launcher env by key
       show envs all: Show spark launcher envs

Stats Command
       stats filesizes: File Sizes. Display summary stats on sizes of files
       stats wa: Write Amplification. Ratio of how many records were upserted to how many records were actually written

Table Command
       table update-configs: Update the table configs with configs with provided file.
       table recover-configs: Recover table configs, from update/delete that failed midway.
       refresh, metadata refresh, commits refresh, cleans refresh, savepoints refresh: Refresh table metadata
       create: Create a hoodie table if not present
       table delete-configs: Delete the supplied table configs from the table.
       fetch table schema: Fetches latest table schema
       connect: Connect to a hoodie table
       desc: Describe Hoodie Table properties

Temp View Command
       temp_query, temp query: query against created temp view
       temps_show, temps show: Show all views name
       temp_delete, temp delete: Delete view name

Timeline Command
       metadata timeline show incomplete: List all incomplete instants in active timeline of metadata table
       metadata timeline show active: List all instants in active timeline of metadata table
       timeline show incomplete: List all incomplete instants in active timeline
       timeline show active: List all instants in active timeline

Upgrade Or Downgrade Command
       downgrade table: Downgrades a table
       upgrade table: Upgrades a table

Utils Command
       utils loadClass: Load a class

kerberos

kerberos kinit --principal xxx@XXXXX.COM --keytab /xxx/kerberos/xxx.keytab

先看下样例表的表结构：
分区表哦！

-- FLink SQL建表语句
create table student_mysql_cdc_hudi_fl(
  `_hoodie_commit_time` string comment 'hoodie commit time',
  `_hoodie_commit_seqno` string comment 'hoodie commit seqno',
  `_hoodie_record_key` string comment 'hoodie record key',
  `_hoodie_partition_path` string comment 'hoodie partition path',
  `_hoodie_file_name` string comment 'hoodie file name',
  `s_id` bigint not null comment '主键',
  `s_name` string not null comment '姓名',
  `s_age` int comment '年龄',
  `s_sex` string comment '性别',
  `s_part` string not null comment '分区字段',
  `create_time` timestamp(6) not null comment '创建时间',
  `dl_ts` timestamp(6) not null,
  `dl_s_sex` string not null,
  PRIMARY KEY(s_id) NOT ENFORCED
)PARTITIONED BY (`dl_s_sex`) with ( 
,'connector' = 'hudi'
,'hive_sync.table' = 'student_mysql_cdc_hudi'
,'hoodie.datasource.write.drop.partition.columns' = 'true'
,'hoodie.datasource.write.hive_style_partitioning' = 'true'
,'hoodie.datasource.write.partitionpath.field' = 'dl_s_sex'
,'hoodie.datasource.write.precombine.field' = 'dl_ts'
,'path' = 'hdfs://xxx/hudi_db.db/student_mysql_cdc_hudi'
,'precombine.field' = 'dl_ts'
,'primaryKey' = 's_id'
)

table

connect

connect --path /xxx/hudi_db.db/student_mysql_cdc_hudi

desc

desc

refresh

refresh

fetch table schema

fetch table schema

  "type" : "record",
  "name" : "student_mysql_cdc_hudi_fl_record",
  "namespace" : "hoodie.student_mysql_cdc_hudi_fl",
  "fields" : [ {
    "name" : "_hoodie_commit_time",
    "type" : [ "null", "string" ],
    "doc" : "",
    "default" : null
  }, {
    "name" : "_hoodie_commit_seqno",
    "type" : [ "null", "string" ],
    "doc" : "",
    "default" : null
  }, {
    "name" : "_hoodie_record_key",
    "type" : [ "null", "string" ],
    "doc" : "",
    "default" : null
  }, {
    "name" : "_hoodie_partition_path",
    "type" : [ "null", "string" ],
    "doc" : "",
    "default" : null
  }, {
    "name" : "_hoodie_file_name",
    "type" : [ "null", "string" ],
    "doc" : "",
    "default" : null
  }, {
    "name" : "_hoodie_operation",
    "type" : [ "null", "string" ],
    "doc" : "",
    "default" : null
  }, {
    "name" : "s_id",
    "type" : "long"
  }, {
    "name" : "s_name",
    "type" : "string"
  }, {
    "name" : "s_age",
    "type" : [ "null", "int" ],
    "default" : null
  }, {
    "name" : "s_sex",
    "type" : [ "null", "string" ],
    "default" : null
  }, {
    "name" : "s_part",
    "type" : "string"
  }, {
    "name" : "create_time",
    "type" : {
      "type" : "long",
      "logicalType" : "timestamp-micros"
    }
  }, {
    "name" : "dl_ts",
    "type" : {
      "type" : "long",
      "logicalType" : "timestamp-micros"
    }
  }, {
    "name" : "dl_s_sex",
    "type" : "string"
  } ]
}

commit

commits show

commits show --sortBy "Total Bytes Written" --desc true --limit 10

commits showarchived

commits showarchived

commit showfiles

commit showfiles --commit 20230915164442583

commit showfiles --commit 20230915164442583 --sortBy "Partition Path"

commit showpartitions

commit showpartitions --commit 20230915164442583

commit showpartitions --commit 20230915164442583 --sortBy "Total Bytes Written" --desc true --limit 10

commit show_write_stats

commit show_write_stats --commit 20230915164442583

File System View

show fsview all

show fsview all

show fsview latest

show fsview latest --partitionPath dl_s_sex=female

Log File

show logfile records

# 注意10 是需要取数据记录条数
show logfile records 10 /xxx/hudi_db.db/student_mysql_cdc_hudi/dl_s_sex=female/.bf4b06b4-e897-42df-8a3c-a3a2f737d367_20230915163856302.log.1_0-1-0

数据是json格式的：

{
  "_hoodie_commit_time": "20230915163856302",
  "_hoodie_commit_seqno": "20230915163856302_0_83",
  "_hoodie_record_key": "88",
  "_hoodie_partition_path": "dl_s_sex=female",
  "_hoodie_file_name": "bf4b06b4-e897-42df-8a3c-a3a2f737d367",
  "_hoodie_operation": "I",
  "s_id": 88,
  "s_name": "傅亮",
  "s_age": 4,
  "s_sex": "female",
  "s_part": "2017/11/20",
  "create_time": 790128367000000,
  "dl_ts": -28800000000,
  "dl_s_sex": "female"
}

show logfile metadata

show logfile metadata /xxx/xxx/hive/hudi_db.db/student_mysql_cdc_hudi/dl_s_sex=female/dl_create_time_yyyy=1971/dl_create_time_mm=03/.dadac2dd-7e5e-46c3-9b27-f1f03e04a90c_20230915151426134.log.1_0

图片中还有FooterMetadata列没显示全

{
  "SCHEMA": "{\"type\":\"record\",\"name\":\"student_mysql_cdc_hudi_fl_record\",\"namespace\":\"hoodie.student_mysql_cdc_hudi_fl\",\"fields\":[{\"name\":\"_hoodie_commit_time\",\"type\":[\"null\",\"string\"],\"doc\":\"\",\"default\":null},{\"name\":\"_hoodie_commit_seqno\",\"type\":[\"null\",\"string\"],\"doc\":\"\",\"default\":null},{\"name\":\"_hoodie_record_key\",\"type\":[\"null\",\"string\"],\"doc\":\"\",\"default\":null},{\"name\":\"_hoodie_partition_path\",\"type\":[\"null\",\"string\"],\"doc\":\"\",\"default\":null},{\"name\":\"_hoodie_file_name\",\"type\":[\"null\",\"string\"],\"doc\":\"\",\"default\":null},{\"name\":\"_hoodie_operation\",\"type\":[\"null\",\"string\"],\"doc\":\"\",\"default\":null},{\"name\":\"s_id\",\"type\":\"long\"},{\"name\":\"s_name\",\"type\":\"string\"},{\"name\":\"s_age\",\"type\":[\"null\",\"int\"],\"default\":null},{\"name\":\"s_sex\",\"type\":[\"null\",\"string\"],\"default\":null},{\"name\":\"s_part\",\"type\":\"string\"},{\"name\":\"create_time\",\"type\":{\"type\":\"long\",\"logicalType\":\"timestamp-micros\"}},{\"name\":\"dl_ts\",\"type\":{\"type\":\"long\",\"logicalType\":\"timestamp-micros\"}},{\"name\":\"dl_s_sex\",\"type\":\"string\"}]}",
  "INSTANT_TIME": "20230915164442583"
}

differ

diff partition

diff partition dl_s_sex=female

differ file

# 需要提供FileID。就是log文件的部分
# 如log文件：.bf4b06b4-e897-42df-8a3c-a3a2f737d367_20230915163856302.log.1_0-1-0
diff file bf4b06b4-e897-42df-8a3c-a3a2f737d367

rollbacks

show rollbacks

show rollbacks

stats

stats filesizes

stats filesizes --partitionPath dl_s_sex=female --sortBy "95th" --desc true --limit 3

stats wa

stats wa

compaction

compactions show all

compactions show all

compactions showarchived

compactions showarchived

compaction showarchived

compaction showarchived 20230915200042501

compaction show

compaction show 20230915174042680

参考文章：
Apache Hudi数据湖hudi-cli客户端使用