Cherry-pick 4 PRs related to tikv-importer to release-2.1 #4369
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This makes the SST size to upload larger, which reduces the number of SST files needed to ingested, and improve overall speed. Signed-off-by: kennytm <kennytm@gmail.com>
…ikv#4348) * import: store the intermediate SST files on disk instead of memory The bottle-neck of Importer is in SST ingestion on the TiKV side, not disk I/O. Storing these SST in RAM will just increase the chance Importer getting killed by OOM. Signed-off-by: kennytm <kennytm@gmail.com>
Signed-off-by: kennytm <kennytm@gmail.com>
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PTAL @overvenus @huachaohuang |
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Mar 14, 2019
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Signed-off-by: Lonng chris@lonng.org
Signed-off-by: kennytm kennytm@gmail.com
What have you changed? (mandatory)
Cherry-picks the following 4 PRs for 2.1.6 release:
What are the type of the changes? (mandatory)
How has this PR been tested? (mandatory)
Tested manually using a data set with size 6.5 TB
Does this PR affect documentation (docs) update? (mandatory)
No
Does this PR affect tidb-ansible update? (mandatory)
Yes (will be filed separately, together with Lightning changes)
Refer to a related PR or issue link (optional)
See above
Benchmark result if necessary (optional)
Add a few positive/negative examples (optional)