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HBASE-23937 : Documentation for get_largelog_responses command (ADDENDUM)

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Viraj Jasani 2020-04-01 20:11:02 +05:30
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src/main/asciidoc/_chapters/ops_mgt.adoc
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@ -2009,8 +2009,36 @@ Example:
echo "get_slowlog_responses '*'" | hbase shell > xyz.out 2>&1 echo "get_slowlog_responses '*'" | hbase shell > xyz.out 2>&1
---- ----
Similar to slow RPC logs, client can also retrieve large RPC logs.
Sometimes, slow logs important to debug perf issues turn out to be
larger in size.
shell command to clear slowlog responses from RegionServer: ----
hbase> get_largelog_responses '*' => get largelog responses from all RS
hbase> get_largelog_responses '*', {'LIMIT' => 50} => get largelog responses from all RS
with 50 records limit (default limit: 10)
hbase> get_largelog_responses ['SERVER_NAME1', 'SERVER_NAME2'] => get largelog responses from SERVER_NAME1,
SERVER_NAME2
hbase> get_largelog_responses '*', {'REGION_NAME' => 'hbase:meta,,1'}
=> get largelog responses only related to meta
region
hbase> get_largelog_responses '*', {'TABLE_NAME' => 't1'} => get largelog responses only related to t1 table
hbase> get_largelog_responses '*', {'CLIENT_IP' => '192.162.1.40:60225', 'LIMIT' => 100}
=> get largelog responses with given client
IP address and get 100 records limit
(default limit: 10)
hbase> get_largelog_responses '*', {'REGION_NAME' => 'hbase:meta,,1', 'TABLE_NAME' => 't1'}
=> get largelog responses with given region name
or table name
hbase> get_largelog_responses '*', {'USER' => 'user_name', 'CLIENT_IP' => '192.162.1.40:60225'}
=> get largelog responses that match either
provided client IP address or user name
----
shell command to clear slow/largelog responses from RegionServer:
---- ----
Clears SlowLog Responses maintained by each or specific RegionServers. Clears SlowLog Responses maintained by each or specific RegionServers.