trying to merge chunks to trigger better balancing after 50% of the data was deleted by the developers ...
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trying to merge chunks to trigger better balancing after 50% of the data was deleted by the developers
The Next CEO of Stack Overflow
Trying to merge chunks using the following command:
db.adminCommand
( {
mergeChunks: "HTMLDumps.HTMLRepository",
bounds: [ { "ShardMapId" : 2, "DomainId" : 62 },
{ "ShardMapId" : 2, "DomainId" : 162 } ]
} )
getting the following error when trying to run the above command to try to merge any of the available consecutive chunks available on a shard:
{
"ok" : 0,
"errmsg" : "Failed to commit chunk merge :: caused by ::
DuplicateKey: chunk operation commit failed: version
32|6||5ba8d864bba4ff264edf0bd9 doesn't exist in
namespace: HTMLDumps.HTMLRepository. Unable to save
chunk ops. Command: { applyOps: [ { op: "u", b: false,
ns: "config.chunks", o: { _id: "HTM
Dumps.HTMLRepository-ShardMapId_2.0DomainId_62.0", ns:
"HTMLDumps.HTMLRepository", min: { ShardMapId: 2.0,
DomainId: 62.0 }, max: { ShardMapId: 2, DomainId: 162 },
shard: "shard0000", lastmod: Timestamp(32, 6),
lastmodEpoch: ObjectId('5ba8d864bba4ff264edf0bd9') },
o2: { _id: "HTMLDumps.HTMLRepository-
ShardMapId_2.0DomainId_62.0" } }, { op: "d", ns:
"config.chunks", o: { _id: "HTMLDumps.HTMLRepository-
ShardMapId_2DomainId_109" } } ], preCondition: [ { ns:
"config.chunks", q: { query: { ns:
"HTMLDumps.HTMLRepository", min: { ShardMapId: 2.0,
DomainId: 62.0 }, max: { ShardMapId: 2, DomainId: 109 }
}, orderby: { lastmod: -1 } }, res: { lastmodEpoch:
ObjectId('5ba8d864bba4ff264edf0bd9'), shard:
"shard0000" } }, { ns: "config.chunks", q: { query:
{ ns: "HTMLDumps.HTMLRepository", min: { ShardMapId:
2, DomainId: 109 }, max: { ShardMapId: 2, DomainId: 162
} }, orderby: { lastmod: -1 } }, res: { lastmodEpoch:
ObjectId('5ba8d864bba4ff264edf0bd9'), shard:
"shard0000" } } ], writeConcern: { w: 0, wtimeout: 0 }
}. Result: { applied: 1, code: 11000, codeName:
"DuplicateKey", errmsg: "E11000 duplicate key error
collection: config.chunks index: ns_1_min_1 dup key: { :
"HTMLDumps.HTMLRepository", : { ShardMapId: 2.0,
DomainId: 62.0 } }", results: [ false ], ok: 0.0,
operationTime: Timestamp(1554112692, 1), $gleStats: {
lastOpTime: { ts: Timestamp(1554112692, 1), t: 13 },
electionId: ObjectId('7fffffff000000000000000d') },
$clusterTime: { clusterTime: Timestamp(1554112692, 1),
signature: { hash: BinData(0,
0000000000000000000000000000000000000000), keyId: 0 } }
} :: caused by :: E11000 duplicate key error collection:
config.chunks index: ns_1_min_1 dup key: { :
"HTMLDumps.HTMLRepository", : { ShardMapId: 2.0,
DomainId: 62.0 } }",
"code" : 11000,
"codeName" : "DuplicateKey",
"operationTime" : Timestamp(1554112687, 1),
"$clusterTime" : {
"clusterTime" : Timestamp(1554112687, 1),
"signature" : {
"hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="),
"keyId" : NumberLong(0)
}
}
}
This is happening regardless of which chunks i select. Main reason for me to try to do this is to achieve true data balancing and not just chunk numbers. Recently developers deleted 90% of the data from these chunks that caused the distribution to get to 90% 10% state from 60/40 earlier. I hope to merge/remove empty chunks to ensure balancing of the data to reach as close to 60/40 as possible.
mongodb
asked 34 secs ago
Amardeep SinghAmardeep Singh
31
New contributor
Amardeep Singh is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
Trying to merge chunks using the following command:
db.adminCommand
( {
mergeChunks: "HTMLDumps.HTMLRepository",
bounds: [ { "ShardMapId" : 2, "DomainId" : 62 },
{ "ShardMapId" : 2, "DomainId" : 162 } ]
} )
getting the following error when trying to run the above command to try to merge any of the available consecutive chunks available on a shard:
{
"ok" : 0,
"errmsg" : "Failed to commit chunk merge :: caused by ::
DuplicateKey: chunk operation commit failed: version
32|6||5ba8d864bba4ff264edf0bd9 doesn't exist in
namespace: HTMLDumps.HTMLRepository. Unable to save
chunk ops. Command: { applyOps: [ { op: "u", b: false,
ns: "config.chunks", o: { _id: "HTM
Dumps.HTMLRepository-ShardMapId_2.0DomainId_62.0", ns:
"HTMLDumps.HTMLRepository", min: { ShardMapId: 2.0,
DomainId: 62.0 }, max: { ShardMapId: 2, DomainId: 162 },
shard: "shard0000", lastmod: Timestamp(32, 6),
lastmodEpoch: ObjectId('5ba8d864bba4ff264edf0bd9') },
o2: { _id: "HTMLDumps.HTMLRepository-
ShardMapId_2.0DomainId_62.0" } }, { op: "d", ns:
"config.chunks", o: { _id: "HTMLDumps.HTMLRepository-
ShardMapId_2DomainId_109" } } ], preCondition: [ { ns:
"config.chunks", q: { query: { ns:
"HTMLDumps.HTMLRepository", min: { ShardMapId: 2.0,
DomainId: 62.0 }, max: { ShardMapId: 2, DomainId: 109 }
}, orderby: { lastmod: -1 } }, res: { lastmodEpoch:
ObjectId('5ba8d864bba4ff264edf0bd9'), shard:
"shard0000" } }, { ns: "config.chunks", q: { query:
{ ns: "HTMLDumps.HTMLRepository", min: { ShardMapId:
2, DomainId: 109 }, max: { ShardMapId: 2, DomainId: 162
} }, orderby: { lastmod: -1 } }, res: { lastmodEpoch:
ObjectId('5ba8d864bba4ff264edf0bd9'), shard:
"shard0000" } } ], writeConcern: { w: 0, wtimeout: 0 }
}. Result: { applied: 1, code: 11000, codeName:
"DuplicateKey", errmsg: "E11000 duplicate key error
collection: config.chunks index: ns_1_min_1 dup key: { :
"HTMLDumps.HTMLRepository", : { ShardMapId: 2.0,
DomainId: 62.0 } }", results: [ false ], ok: 0.0,
operationTime: Timestamp(1554112692, 1), $gleStats: {
lastOpTime: { ts: Timestamp(1554112692, 1), t: 13 },
electionId: ObjectId('7fffffff000000000000000d') },
$clusterTime: { clusterTime: Timestamp(1554112692, 1),
signature: { hash: BinData(0,
0000000000000000000000000000000000000000), keyId: 0 } }
} :: caused by :: E11000 duplicate key error collection:
config.chunks index: ns_1_min_1 dup key: { :
"HTMLDumps.HTMLRepository", : { ShardMapId: 2.0,
DomainId: 62.0 } }",
"code" : 11000,
"codeName" : "DuplicateKey",
"operationTime" : Timestamp(1554112687, 1),
"$clusterTime" : {
"clusterTime" : Timestamp(1554112687, 1),
"signature" : {
"hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="),
"keyId" : NumberLong(0)
}
}
}
This is happening regardless of which chunks i select. Main reason for me to try to do this is to achieve true data balancing and not just chunk numbers. Recently developers deleted 90% of the data from these chunks that caused the distribution to get to 90% 10% state from 60/40 earlier. I hope to merge/remove empty chunks to ensure balancing of the data to reach as close to 60/40 as possible.
mongodb
asked 34 secs ago
Amardeep SinghAmardeep Singh
31
New contributor
Amardeep Singh is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
Trying to merge chunks using the following command:
db.adminCommand
( {
mergeChunks: "HTMLDumps.HTMLRepository",
bounds: [ { "ShardMapId" : 2, "DomainId" : 62 },
{ "ShardMapId" : 2, "DomainId" : 162 } ]
} )
getting the following error when trying to run the above command to try to merge any of the available consecutive chunks available on a shard:
{
"ok" : 0,
"errmsg" : "Failed to commit chunk merge :: caused by ::
DuplicateKey: chunk operation commit failed: version
32|6||5ba8d864bba4ff264edf0bd9 doesn't exist in
namespace: HTMLDumps.HTMLRepository. Unable to save
chunk ops. Command: { applyOps: [ { op: "u", b: false,
ns: "config.chunks", o: { _id: "HTM
Dumps.HTMLRepository-ShardMapId_2.0DomainId_62.0", ns:
"HTMLDumps.HTMLRepository", min: { ShardMapId: 2.0,
DomainId: 62.0 }, max: { ShardMapId: 2, DomainId: 162 },
shard: "shard0000", lastmod: Timestamp(32, 6),
lastmodEpoch: ObjectId('5ba8d864bba4ff264edf0bd9') },
o2: { _id: "HTMLDumps.HTMLRepository-
ShardMapId_2.0DomainId_62.0" } }, { op: "d", ns:
"config.chunks", o: { _id: "HTMLDumps.HTMLRepository-
ShardMapId_2DomainId_109" } } ], preCondition: [ { ns:
"config.chunks", q: { query: { ns:
"HTMLDumps.HTMLRepository", min: { ShardMapId: 2.0,
DomainId: 62.0 }, max: { ShardMapId: 2, DomainId: 109 }
}, orderby: { lastmod: -1 } }, res: { lastmodEpoch:
ObjectId('5ba8d864bba4ff264edf0bd9'), shard:
"shard0000" } }, { ns: "config.chunks", q: { query:
{ ns: "HTMLDumps.HTMLRepository", min: { ShardMapId:
2, DomainId: 109 }, max: { ShardMapId: 2, DomainId: 162
} }, orderby: { lastmod: -1 } }, res: { lastmodEpoch:
ObjectId('5ba8d864bba4ff264edf0bd9'), shard:
"shard0000" } } ], writeConcern: { w: 0, wtimeout: 0 }
}. Result: { applied: 1, code: 11000, codeName:
"DuplicateKey", errmsg: "E11000 duplicate key error
collection: config.chunks index: ns_1_min_1 dup key: { :
"HTMLDumps.HTMLRepository", : { ShardMapId: 2.0,
DomainId: 62.0 } }", results: [ false ], ok: 0.0,
operationTime: Timestamp(1554112692, 1), $gleStats: {
lastOpTime: { ts: Timestamp(1554112692, 1), t: 13 },
electionId: ObjectId('7fffffff000000000000000d') },
$clusterTime: { clusterTime: Timestamp(1554112692, 1),
signature: { hash: BinData(0,
0000000000000000000000000000000000000000), keyId: 0 } }
} :: caused by :: E11000 duplicate key error collection:
config.chunks index: ns_1_min_1 dup key: { :
"HTMLDumps.HTMLRepository", : { ShardMapId: 2.0,
DomainId: 62.0 } }",
"code" : 11000,
"codeName" : "DuplicateKey",
"operationTime" : Timestamp(1554112687, 1),
"$clusterTime" : {
"clusterTime" : Timestamp(1554112687, 1),
"signature" : {
"hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="),
"keyId" : NumberLong(0)
}
}
}
This is happening regardless of which chunks i select. Main reason for me to try to do this is to achieve true data balancing and not just chunk numbers. Recently developers deleted 90% of the data from these chunks that caused the distribution to get to 90% 10% state from 60/40 earlier. I hope to merge/remove empty chunks to ensure balancing of the data to reach as close to 60/40 as possible.
mongodb
asked 34 secs ago
Amardeep SinghAmardeep Singh
31
New contributor
Amardeep Singh is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Trying to merge chunks using the following command:
db.adminCommand
( {
mergeChunks: "HTMLDumps.HTMLRepository",
bounds: [ { "ShardMapId" : 2, "DomainId" : 62 },
{ "ShardMapId" : 2, "DomainId" : 162 } ]
} )
getting the following error when trying to run the above command to try to merge any of the available consecutive chunks available on a shard:
{
"ok" : 0,
"errmsg" : "Failed to commit chunk merge :: caused by ::
DuplicateKey: chunk operation commit failed: version
32|6||5ba8d864bba4ff264edf0bd9 doesn't exist in
namespace: HTMLDumps.HTMLRepository. Unable to save
chunk ops. Command: { applyOps: [ { op: "u", b: false,
ns: "config.chunks", o: { _id: "HTM
Dumps.HTMLRepository-ShardMapId_2.0DomainId_62.0", ns:
"HTMLDumps.HTMLRepository", min: { ShardMapId: 2.0,
DomainId: 62.0 }, max: { ShardMapId: 2, DomainId: 162 },
shard: "shard0000", lastmod: Timestamp(32, 6),
lastmodEpoch: ObjectId('5ba8d864bba4ff264edf0bd9') },
o2: { _id: "HTMLDumps.HTMLRepository-
ShardMapId_2.0DomainId_62.0" } }, { op: "d", ns:
"config.chunks", o: { _id: "HTMLDumps.HTMLRepository-
ShardMapId_2DomainId_109" } } ], preCondition: [ { ns:
"config.chunks", q: { query: { ns:
"HTMLDumps.HTMLRepository", min: { ShardMapId: 2.0,
DomainId: 62.0 }, max: { ShardMapId: 2, DomainId: 109 }
}, orderby: { lastmod: -1 } }, res: { lastmodEpoch:
ObjectId('5ba8d864bba4ff264edf0bd9'), shard:
"shard0000" } }, { ns: "config.chunks", q: { query:
{ ns: "HTMLDumps.HTMLRepository", min: { ShardMapId:
2, DomainId: 109 }, max: { ShardMapId: 2, DomainId: 162
} }, orderby: { lastmod: -1 } }, res: { lastmodEpoch:
ObjectId('5ba8d864bba4ff264edf0bd9'), shard:
"shard0000" } } ], writeConcern: { w: 0, wtimeout: 0 }
}. Result: { applied: 1, code: 11000, codeName:
"DuplicateKey", errmsg: "E11000 duplicate key error
collection: config.chunks index: ns_1_min_1 dup key: { :
"HTMLDumps.HTMLRepository", : { ShardMapId: 2.0,
DomainId: 62.0 } }", results: [ false ], ok: 0.0,
operationTime: Timestamp(1554112692, 1), $gleStats: {
lastOpTime: { ts: Timestamp(1554112692, 1), t: 13 },
electionId: ObjectId('7fffffff000000000000000d') },
$clusterTime: { clusterTime: Timestamp(1554112692, 1),
signature: { hash: BinData(0,
0000000000000000000000000000000000000000), keyId: 0 } }
} :: caused by :: E11000 duplicate key error collection:
config.chunks index: ns_1_min_1 dup key: { :
"HTMLDumps.HTMLRepository", : { ShardMapId: 2.0,
DomainId: 62.0 } }",
"code" : 11000,
"codeName" : "DuplicateKey",
"operationTime" : Timestamp(1554112687, 1),
"$clusterTime" : {
"clusterTime" : Timestamp(1554112687, 1),
"signature" : {
"hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="),
"keyId" : NumberLong(0)
}
}
}
This is happening regardless of which chunks i select. Main reason for me to try to do this is to achieve true data balancing and not just chunk numbers. Recently developers deleted 90% of the data from these chunks that caused the distribution to get to 90% 10% state from 60/40 earlier. I hope to merge/remove empty chunks to ensure balancing of the data to reach as close to 60/40 as possible.
mongodb
mongodb
asked 34 secs ago
Amardeep SinghAmardeep Singh
31
New contributor
Amardeep Singh is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 34 secs ago
Amardeep SinghAmardeep Singh
31
New contributor
Amardeep Singh is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 34 secs ago
Amardeep SinghAmardeep Singh
31
New contributor
Amardeep Singh is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 34 secs ago
Amardeep SinghAmardeep Singh
31
asked 34 secs ago
Amardeep SinghAmardeep Singh
31
31
New contributor
Amardeep Singh is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Amardeep Singh is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Amardeep Singh is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
add a comment |
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Amardeep Singh is a new contributor. Be nice, and check out our Code of Conduct.
Amardeep Singh is a new contributor. Be nice, and check out our Code of Conduct.
Amardeep Singh is a new contributor. Be nice, and check out our Code of Conduct.
Amardeep Singh is a new contributor. Be nice, and check out our Code of Conduct.
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