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Posted to common-issues@hadoop.apache.org by "vijayant soni (Jira)" <ji...@apache.org> on 2020/03/26 13:33:00 UTC
[jira] [Updated] (HADOOP-16942) S3A creating folder level delete
markers
[ https://issues.apache.org/jira/browse/HADOOP-16942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
vijayant soni updated HADOOP-16942:
-----------------------------------
Description:
Using S3A URL scheme while writing out data from Spark to S3 is creating many folder level delete markers.
Writing the same with S3 URL scheme, does not create any delete markers at all.
Spark - 2.4.4
Hadoop - 3.2.1
EMR version - 6.0.0
{code:scala}
spark-shell
Welcome to
____ __
/ __/__ ___ _____/ /__
_\ \/ _ \/ _ `/ __/ '_/
/___/ .__/\_,_/_/ /_/\_\ version 2.4.4
/_/
Using Scala version 2.12.10 (OpenJDK 64-Bit Server VM, Java 1.8.0_242)
Type in expressions to have them evaluated.
Type :help for more information.
scala> val df = spark.sql("select 1 as a")
df: org.apache.spark.sql.DataFrame = [a: int]
scala> df.show(false)
+---+
|a |
+---+
|1 |
+---+
scala> // Writing to S3 using s3
scala> df.write.mode(org.apache.spark.sql.SaveMode.Overwrite).save("s3://stage-dwh/tmp/vijayant/s3/")
scala> // Writing to S3 using s3a
scala> df.write.mode(org.apache.spark.sql.SaveMode.Overwrite).save("s3a://stage-dwh/tmp/vijayant/s3a/")
scala>
{code}
Getting delete markers from `s3` write
{code:bash}
aws s3api list-object-versions --bucket stage-dwh --prefix tmp/vijayant/s3
{
"Versions": [
{
"LastModified": "2020-03-26T12:57:54.000Z",
"VersionId": "h7_SIsHYoC.1il2s4qporAFnVbLgiLN5",
"ETag": "\"d41d8cd98f00b204e9800998ecf8427e\"",
"StorageClass": "STANDARD",
"Key": "tmp/vijayant/s3/_SUCCESS",
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": true,
"Size": 0
},
{
"LastModified": "2020-03-26T12:57:54.000Z",
"VersionId": "pOALzyzpBR7glCEk3cqPOR.u8QCIcLnC",
"ETag": "\"26e70a1e26c709e3e8498acd49cfaaa3-1\"",
"StorageClass": "STANDARD",
"Key": "tmp/vijayant/s3/part-00000-9af16781-7944-497d-9b19-f31ab1e5f850-c000.snappy.parquet",
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": true,
"Size": 384
}
]
}
{code}
Getting delete markers from `s3a` write
{code:bash}
aws s3api list-object-versions --bucket stage-dwh --prefix tmp/vijayant/s3a
{
"DeleteMarkers": [
{
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": true,
"VersionId": "Jd8PHlUK3TbVJY2RWQxi74a6.2Gp2mUL",
"Key": "tmp/vijayant/s3a/",
"LastModified": "2020-03-26T13:00:14.000Z"
},
{
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": false,
"VersionId": "j2llpkiXzEaomJr5xLhQ9xTmfoq_8dOy",
"Key": "tmp/vijayant/s3a/",
"LastModified": "2020-03-26T13:00:13.000Z"
},
{
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": false,
"VersionId": "ry6BqTUGvyY3U.eqFfgg2hJ2BBMxVcwH",
"Key": "tmp/vijayant/s3a/",
"LastModified": "2020-03-26T13:00:13.000Z"
},
{
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": false,
"VersionId": "xG2oNiCpovqWCSZxaWiqtL.E7znE7AmR",
"Key": "tmp/vijayant/s3a/",
"LastModified": "2020-03-26T13:00:12.000Z"
},
{
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": false,
"VersionId": "OedjkEU1VeWl0ZZouur.13dufhYa7JXm",
"Key": "tmp/vijayant/s3a/",
"LastModified": "2020-03-26T13:00:01.000Z"
},
{
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": true,
"VersionId": "Nn8O947GGwqCePelc9VL9O2sWsmSsy2i",
"Key": "tmp/vijayant/s3a/_temporary/",
"LastModified": "2020-03-26T13:00:13.000Z"
},
{
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": false,
"VersionId": "7DcZ4b3pmoIi_TuzoRsykdtzyUGDLUo9",
"Key": "tmp/vijayant/s3a/_temporary/",
"LastModified": "2020-03-26T13:00:12.000Z"
},
{
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": false,
"VersionId": "eFahQrYnglWeRHZHTod6IszSoNE3jPCH",
"Key": "tmp/vijayant/s3a/_temporary/",
"LastModified": "2020-03-26T13:00:01.000Z"
},
{
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": true,
"VersionId": "m4mGr.QA3sO0pQb_tuZEZX6OVIeprgwl",
"Key": "tmp/vijayant/s3a/_temporary/0/",
"LastModified": "2020-03-26T13:00:13.000Z"
},
{
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": false,
"VersionId": "2TBn8RzdMKzEqn6cP8O_CI9OdZkhvv53",
"Key": "tmp/vijayant/s3a/_temporary/0/",
"LastModified": "2020-03-26T13:00:12.000Z"
},
{
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": true,
"VersionId": "NXVubIX_eu9RYLDWpD4JH91VK08OmHwu",
"Key": "tmp/vijayant/s3a/_temporary/0/_temporary/",
"LastModified": "2020-03-26T13:00:13.000Z"
},
{
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": false,
"VersionId": "FtubGslxkfMiT5uxuuEorWsg0OIvXmzY",
"Key": "tmp/vijayant/s3a/_temporary/0/_temporary/",
"LastModified": "2020-03-26T13:00:12.000Z"
},
{
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": true,
"VersionId": "0tv9I0s1mvurxP4KX_Zgqr7P8OQ5bIs7",
"Key": "tmp/vijayant/s3a/_temporary/0/_temporary/attempt_20200326130000_0002_m_000000_2/",
"LastModified": "2020-03-26T13:00:14.000Z"
},
{
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": false,
"VersionId": "y058RX4xXC.a_ltup_OxdI7S5o288h38",
"Key": "tmp/vijayant/s3a/_temporary/0/_temporary/attempt_20200326130000_0002_m_000000_2/",
"LastModified": "2020-03-26T13:00:12.000Z"
},
{
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": true,
"VersionId": "T54GB8P1SVmWUu_9lXXogf970cYZOszE",
"Key": "tmp/vijayant/s3a/_temporary/0/_temporary/attempt_20200326130000_0002_m_000000_2/part-00000-8ecb77ed-8279-4256-9ef1-5ea352318c1a-c000.snappy.parquet",
"LastModified": "2020-03-26T13:00:13.000Z"
}
],
"Versions": [
{
"LastModified": "2020-03-26T13:00:14.000Z",
"VersionId": "3HSpCqBQyrVoh9X1tTfskNEiQIet7f_0",
"ETag": "\"d41d8cd98f00b204e9800998ecf8427e\"",
"StorageClass": "STANDARD",
"Key": "tmp/vijayant/s3a/_SUCCESS",
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": true,
"Size": 0
},
{
"LastModified": "2020-03-26T13:00:00.000Z",
"VersionId": "zB.ELKr2RcK9RgdSgx5wwj55YPlZTWD0",
"ETag": "\"d41d8cd98f00b204e9800998ecf8427e\"",
"StorageClass": "STANDARD",
"Key": "tmp/vijayant/s3a/_temporary/0/",
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": false,
"Size": 0
},
{
"LastModified": "2020-03-26T13:00:13.000Z",
"VersionId": "XoIDfWRP0Y6DySn_FVkh3z.LCSCv1H4x",
"ETag": "\"d41d8cd98f00b204e9800998ecf8427e\"",
"StorageClass": "STANDARD",
"Key": "tmp/vijayant/s3a/_temporary/0/_temporary/attempt_20200326130000_0002_m_000000_2/",
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": false,
"Size": 0
},
{
"LastModified": "2020-03-26T13:00:12.000Z",
"VersionId": "OL24nTI4C0DJFur6ZfXeWFH1N_eo.SIl",
"ETag": "\"1c1179f44b770f1d661f06b9324c27da\"",
"StorageClass": "STANDARD",
"Key": "tmp/vijayant/s3a/_temporary/0/_temporary/attempt_20200326130000_0002_m_000000_2/part-00000-8ecb77ed-8279-4256-9ef1-5ea352318c1a-c000.snappy.parquet",
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": false,
"Size": 384
},
{
"LastModified": "2020-03-26T13:00:13.000Z",
"VersionId": "EscpHQeMrYBhDGdmnH5TPEDLpLUwZzBS",
"ETag": "\"1c1179f44b770f1d661f06b9324c27da\"",
"StorageClass": "STANDARD",
"Key": "tmp/vijayant/s3a/part-00000-8ecb77ed-8279-4256-9ef1-5ea352318c1a-c000.snappy.parquet",
"Owner": {
"DisplayName": "<display-name>",
"ID": "<owner-id>"
},
"IsLatest": true,
"Size": 384
}
]
}
{code}
was:
Using S3A URL scheme while writing out data from Spark to S3 is creating many folder level delete markers.
Writing the same with S3 URL scheme, does not create any delete markers at all.
Spark - 2.4.4
Hadoop - 3.2.1
EMR version - 6.0.0
{code:scala}
spark-shell
Welcome to
____ __
/ __/__ ___ _____/ /__
_\ \/ _ \/ _ `/ __/ '_/
/___/ .__/\_,_/_/ /_/\_\ version 2.4.4
/_/
Using Scala version 2.12.10 (OpenJDK 64-Bit Server VM, Java 1.8.0_242)
Type in expressions to have them evaluated.
Type :help for more information.
scala> val df = spark.sql("select 1 as a")
df: org.apache.spark.sql.DataFrame = [a: int]
scala> df.show(false)
+---+
|a |
+---+
|1 |
+---+
scala> // Writing to S3 using s3
scala> df.write.mode(org.apache.spark.sql.SaveMode.Overwrite).save("s3://stage-dwh/tmp/vijayant/s3/")
scala> // Writing to S3 using s3a
scala> df.write.mode(org.apache.spark.sql.SaveMode.Overwrite).save("s3a://stage-dwh/tmp/vijayant/s3a/")
scala>
{code}
Getting delete markers from `s3` write
{code:bash}
aws s3api list-object-versions --bucket stage-dwh --prefix tmp/vijayant/s3
TO ADD OUTPUT
{code}
Getting delete markers from `s3a` write
{code:bash}
aws s3api list-object-versions --bucket stage-dwh --prefix tmp/vijayant/s3a
TO ADD OUTPUT
{code}
> S3A creating folder level delete markers
> ----------------------------------------
>
> Key: HADOOP-16942
> URL: https://issues.apache.org/jira/browse/HADOOP-16942
> Project: Hadoop Common
> Issue Type: Task
> Components: fs/s3
> Affects Versions: 3.2.1
> Reporter: vijayant soni
> Priority: Minor
>
> Using S3A URL scheme while writing out data from Spark to S3 is creating many folder level delete markers.
> Writing the same with S3 URL scheme, does not create any delete markers at all.
>
> Spark - 2.4.4
> Hadoop - 3.2.1
> EMR version - 6.0.0
> {code:scala}
> spark-shell
> Welcome to
> ____ __
> / __/__ ___ _____/ /__
> _\ \/ _ \/ _ `/ __/ '_/
> /___/ .__/\_,_/_/ /_/\_\ version 2.4.4
> /_/
>
> Using Scala version 2.12.10 (OpenJDK 64-Bit Server VM, Java 1.8.0_242)
> Type in expressions to have them evaluated.
> Type :help for more information.
> scala> val df = spark.sql("select 1 as a")
> df: org.apache.spark.sql.DataFrame = [a: int]
> scala> df.show(false)
> +---+
> |a |
> +---+
> |1 |
> +---+
> scala> // Writing to S3 using s3
> scala> df.write.mode(org.apache.spark.sql.SaveMode.Overwrite).save("s3://stage-dwh/tmp/vijayant/s3/")
>
> scala> // Writing to S3 using s3a
> scala> df.write.mode(org.apache.spark.sql.SaveMode.Overwrite).save("s3a://stage-dwh/tmp/vijayant/s3a/")
>
> scala>
> {code}
> Getting delete markers from `s3` write
> {code:bash}
> aws s3api list-object-versions --bucket stage-dwh --prefix tmp/vijayant/s3
> {
> "Versions": [
> {
> "LastModified": "2020-03-26T12:57:54.000Z",
> "VersionId": "h7_SIsHYoC.1il2s4qporAFnVbLgiLN5",
> "ETag": "\"d41d8cd98f00b204e9800998ecf8427e\"",
> "StorageClass": "STANDARD",
> "Key": "tmp/vijayant/s3/_SUCCESS",
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": true,
> "Size": 0
> },
> {
> "LastModified": "2020-03-26T12:57:54.000Z",
> "VersionId": "pOALzyzpBR7glCEk3cqPOR.u8QCIcLnC",
> "ETag": "\"26e70a1e26c709e3e8498acd49cfaaa3-1\"",
> "StorageClass": "STANDARD",
> "Key": "tmp/vijayant/s3/part-00000-9af16781-7944-497d-9b19-f31ab1e5f850-c000.snappy.parquet",
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": true,
> "Size": 384
> }
> ]
> }
> {code}
> Getting delete markers from `s3a` write
> {code:bash}
> aws s3api list-object-versions --bucket stage-dwh --prefix tmp/vijayant/s3a
> {
> "DeleteMarkers": [
> {
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": true,
> "VersionId": "Jd8PHlUK3TbVJY2RWQxi74a6.2Gp2mUL",
> "Key": "tmp/vijayant/s3a/",
> "LastModified": "2020-03-26T13:00:14.000Z"
> },
> {
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": false,
> "VersionId": "j2llpkiXzEaomJr5xLhQ9xTmfoq_8dOy",
> "Key": "tmp/vijayant/s3a/",
> "LastModified": "2020-03-26T13:00:13.000Z"
> },
> {
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": false,
> "VersionId": "ry6BqTUGvyY3U.eqFfgg2hJ2BBMxVcwH",
> "Key": "tmp/vijayant/s3a/",
> "LastModified": "2020-03-26T13:00:13.000Z"
> },
> {
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": false,
> "VersionId": "xG2oNiCpovqWCSZxaWiqtL.E7znE7AmR",
> "Key": "tmp/vijayant/s3a/",
> "LastModified": "2020-03-26T13:00:12.000Z"
> },
> {
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": false,
> "VersionId": "OedjkEU1VeWl0ZZouur.13dufhYa7JXm",
> "Key": "tmp/vijayant/s3a/",
> "LastModified": "2020-03-26T13:00:01.000Z"
> },
> {
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": true,
> "VersionId": "Nn8O947GGwqCePelc9VL9O2sWsmSsy2i",
> "Key": "tmp/vijayant/s3a/_temporary/",
> "LastModified": "2020-03-26T13:00:13.000Z"
> },
> {
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": false,
> "VersionId": "7DcZ4b3pmoIi_TuzoRsykdtzyUGDLUo9",
> "Key": "tmp/vijayant/s3a/_temporary/",
> "LastModified": "2020-03-26T13:00:12.000Z"
> },
> {
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": false,
> "VersionId": "eFahQrYnglWeRHZHTod6IszSoNE3jPCH",
> "Key": "tmp/vijayant/s3a/_temporary/",
> "LastModified": "2020-03-26T13:00:01.000Z"
> },
> {
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": true,
> "VersionId": "m4mGr.QA3sO0pQb_tuZEZX6OVIeprgwl",
> "Key": "tmp/vijayant/s3a/_temporary/0/",
> "LastModified": "2020-03-26T13:00:13.000Z"
> },
> {
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": false,
> "VersionId": "2TBn8RzdMKzEqn6cP8O_CI9OdZkhvv53",
> "Key": "tmp/vijayant/s3a/_temporary/0/",
> "LastModified": "2020-03-26T13:00:12.000Z"
> },
> {
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": true,
> "VersionId": "NXVubIX_eu9RYLDWpD4JH91VK08OmHwu",
> "Key": "tmp/vijayant/s3a/_temporary/0/_temporary/",
> "LastModified": "2020-03-26T13:00:13.000Z"
> },
> {
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": false,
> "VersionId": "FtubGslxkfMiT5uxuuEorWsg0OIvXmzY",
> "Key": "tmp/vijayant/s3a/_temporary/0/_temporary/",
> "LastModified": "2020-03-26T13:00:12.000Z"
> },
> {
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": true,
> "VersionId": "0tv9I0s1mvurxP4KX_Zgqr7P8OQ5bIs7",
> "Key": "tmp/vijayant/s3a/_temporary/0/_temporary/attempt_20200326130000_0002_m_000000_2/",
> "LastModified": "2020-03-26T13:00:14.000Z"
> },
> {
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": false,
> "VersionId": "y058RX4xXC.a_ltup_OxdI7S5o288h38",
> "Key": "tmp/vijayant/s3a/_temporary/0/_temporary/attempt_20200326130000_0002_m_000000_2/",
> "LastModified": "2020-03-26T13:00:12.000Z"
> },
> {
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": true,
> "VersionId": "T54GB8P1SVmWUu_9lXXogf970cYZOszE",
> "Key": "tmp/vijayant/s3a/_temporary/0/_temporary/attempt_20200326130000_0002_m_000000_2/part-00000-8ecb77ed-8279-4256-9ef1-5ea352318c1a-c000.snappy.parquet",
> "LastModified": "2020-03-26T13:00:13.000Z"
> }
> ],
> "Versions": [
> {
> "LastModified": "2020-03-26T13:00:14.000Z",
> "VersionId": "3HSpCqBQyrVoh9X1tTfskNEiQIet7f_0",
> "ETag": "\"d41d8cd98f00b204e9800998ecf8427e\"",
> "StorageClass": "STANDARD",
> "Key": "tmp/vijayant/s3a/_SUCCESS",
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": true,
> "Size": 0
> },
> {
> "LastModified": "2020-03-26T13:00:00.000Z",
> "VersionId": "zB.ELKr2RcK9RgdSgx5wwj55YPlZTWD0",
> "ETag": "\"d41d8cd98f00b204e9800998ecf8427e\"",
> "StorageClass": "STANDARD",
> "Key": "tmp/vijayant/s3a/_temporary/0/",
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": false,
> "Size": 0
> },
> {
> "LastModified": "2020-03-26T13:00:13.000Z",
> "VersionId": "XoIDfWRP0Y6DySn_FVkh3z.LCSCv1H4x",
> "ETag": "\"d41d8cd98f00b204e9800998ecf8427e\"",
> "StorageClass": "STANDARD",
> "Key": "tmp/vijayant/s3a/_temporary/0/_temporary/attempt_20200326130000_0002_m_000000_2/",
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": false,
> "Size": 0
> },
> {
> "LastModified": "2020-03-26T13:00:12.000Z",
> "VersionId": "OL24nTI4C0DJFur6ZfXeWFH1N_eo.SIl",
> "ETag": "\"1c1179f44b770f1d661f06b9324c27da\"",
> "StorageClass": "STANDARD",
> "Key": "tmp/vijayant/s3a/_temporary/0/_temporary/attempt_20200326130000_0002_m_000000_2/part-00000-8ecb77ed-8279-4256-9ef1-5ea352318c1a-c000.snappy.parquet",
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": false,
> "Size": 384
> },
> {
> "LastModified": "2020-03-26T13:00:13.000Z",
> "VersionId": "EscpHQeMrYBhDGdmnH5TPEDLpLUwZzBS",
> "ETag": "\"1c1179f44b770f1d661f06b9324c27da\"",
> "StorageClass": "STANDARD",
> "Key": "tmp/vijayant/s3a/part-00000-8ecb77ed-8279-4256-9ef1-5ea352318c1a-c000.snappy.parquet",
> "Owner": {
> "DisplayName": "<display-name>",
> "ID": "<owner-id>"
> },
> "IsLatest": true,
> "Size": 384
> }
> ]
> }
> {code}
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