allow to query DB stall status #226
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tabokie
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Feb 18, 2021
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Can we implement this as a DB property? That would avoid adding the new DB method, and I think it would be easier to maintain. |
yiwu-arbug
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Feb 18, 2021
Signed-off-by: qupeng <qupeng@pingcap.com>
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Signed-off-by: qupeng <qupeng@pingcap.com>
Signed-off-by: qupeng <qupeng@pingcap.com>
Signed-off-by: qupeng <qupeng@pingcap.com>
yiwu-arbug
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Feb 20, 2021
tabokie
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Feb 20, 2021
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This PR adds a new property is-write-stalled to query whether the column family is in write stall or not. In TiKV there is a compaction filter used for GC, in which DB::write is called. So if we can query whether the DB instance is stalled or not, we can skip to create more compaction filter instances to save some resources. Signed-off-by: qupeng <qupeng@pingcap.com> Signed-off-by: tabokie <xy.tao@outlook.com>
tabokie
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This PR adds a new property is-write-stalled to query whether the column family is in write stall or not. In TiKV there is a compaction filter used for GC, in which DB::write is called. So if we can query whether the DB instance is stalled or not, we can skip to create more compaction filter instances to save some resources. Signed-off-by: qupeng <qupeng@pingcap.com> Signed-off-by: tabokie <xy.tao@outlook.com>
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Feb 21, 2024
This PR adds a new property is-write-stalled to query whether the column family is in write stall or not. In TiKV there is a compaction filter used for GC, in which DB::write is called. So if we can query whether the DB instance is stalled or not, we can skip to create more compaction filter instances to save some resources. Signed-off-by: qupeng <qupeng@pingcap.com> Signed-off-by: tabokie <xy.tao@outlook.com>
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Feb 22, 2024
compaction_filter: add bottommost_level into context (tikv#160) Signed-off-by: qupeng <qupeng@pingcap.com> Signed-off-by: tabokie <xy.tao@outlook.com> add range for compaction filter context (tikv#192) * add range for compaction filter context Signed-off-by: qupeng <qupeng@pingcap.com> Signed-off-by: tabokie <xy.tao@outlook.com> allow no_io for VersionSet::GetTableProperties (tikv#211) * allow no_io for VersionSet::GetTableProperties Signed-off-by: qupeng <qupeng@pingcap.com> Signed-off-by: tabokie <xy.tao@outlook.com> expose seqno from compaction filter and iterator (tikv#215) This PR supports to access `seqno` for every key/value pairs in compaction filter or iterator. It's helpful to enhance GC in compaction filter in TiKV. Signed-off-by: qupeng <qupeng@pingcap.com> Signed-off-by: tabokie <xy.tao@outlook.com> allow to query DB stall status (tikv#226) This PR adds a new property is-write-stalled to query whether the column family is in write stall or not. In TiKV there is a compaction filter used for GC, in which DB::write is called. So if we can query whether the DB instance is stalled or not, we can skip to create more compaction filter instances to save some resources. Signed-off-by: qupeng <qupeng@pingcap.com> Signed-off-by: tabokie <xy.tao@outlook.com> Fix compatibilty issue with Titan Signed-off-by: v01dstar <yang.zhang@pingcap.com> filter deletion in compaction filter (tikv#344) And delay the buffer initialization of writable file to first actual write. --------- Signed-off-by: tabokie <xy.tao@outlook.com> Adjustments for compaptibilty with 8.10.facebook Signed-off-by: v01dstar <yang.zhang@pingcap.com> Adjust tikv related changes with upstream Signed-off-by: v01dstar <yang.zhang@pingcap.com>
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Signed-off-by: qupeng qupeng@pingcap.com
This PR adds a new property
is-write-stalledto query whether the column family is in write stall or not.Why it's necessary?
In TiKV there is a compaction filter used for GC, in which
DB::writeis called. So if we can query whether the DB instance is stalled or not, we can skip to create more compaction filter instances to save some resources.