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Tablet splitting: Drive tablet splitting from master #1461

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ttyusupov opened this issue May 31, 2019 · 0 comments
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Tablet splitting: Drive tablet splitting from master #1461

ttyusupov opened this issue May 31, 2019 · 0 comments
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ttyusupov commented May 31, 2019 •
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Parent ticket: "Tablet splitting" #1004.

Depends on #1459.
@mbautin mbautin mentioned this issue May 31, 2019
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This was referenced May 31, 2019
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ttyusupov added a commit that referenced this issue Apr 13, 2020
@ttyusupov
#1461: Added split-tablet RPC support into yb-admin and yb-master
a924004 
Summary:
- Added SplitTablet RPC support into yb-master.
- Added SplitTablet RPC support into yb-admin, for now allows to specify tablet id to split and computes split point as the middle of tablet's partition range.
- Implemented `CatalogManager::SplitTablet` logic for hash partitioning.
- Reworked tablet-split-itest to use and test `CatalogManager::SplitTablet`
- SysTabletsEntryPB: added split_parent_tablet_id and split_depth field to support post-split tablets registration on master-side.

Test Plan:
1) `ybd --cxx-test tablet-split-itest`
2) Using local cluster and yb-admin:
```
./bin/yb-ctl create

java -jar ~/code/yb-sample-apps/target/yb-sample-apps.jar --workload CassandraBatchKeyValue --nodes 127.0.0.1:9042 --num_threads_read 0 --num_threads_write 4 --nouuid --num_unique_keys 1000000 --num_writes 1000000

./build/latest/bin/yb-admin list_tablets ybdemo_keyspace cassandrakeyvalue
./build/latest/bin/yb-admin split_tablet <tablet_id_to_split>
```
Check http://127.0.0.1:9000/tablets

Reviewers: mikhail, bogdan, sergei

Reviewed By: bogdan, sergei

Subscribers: bogdan

Differential Revision: https://phabricator.dev.yugabyte.com/D8253
@ttyusupov ttyusupov added the kind/enhancement This is an enhancement of an existing feature label Jun 23, 2020
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