[HBASE-21689] Make table/namespace specific current quota info available in shell(describe_namespace & describe)

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 3.0.0-alpha-1, 2.2.0
• Labels: quota
• Release Note: In shell commands "describe_namespace" and "describe", which are used to see the descriptors of the namespaces and tables respectively, quotas set on that particular namespace/table will also be printed along.
• Assignee: Sakthi
• Reporter: Sakthi
• Created: 08/Jan/19 02:41
• Updated: 09/Oct/19 08:07
• Resolved: 25/Jan/19 08:48

Description

describe_namespace & describe command in shell should show current quota(if present) on the particular table/namespace.

// Namespace
hbase(main):002:0> create_namespace 'ns1', {'hbase.namespace.quota.maxtables'=>'5'}
Took 0.1703 seconds
hbase(main):004:0> set_quota TYPE => SPACE, NAMESPACE => 'ns1', LIMIT => '50T', POLICY => NO_WRITES
Took 0.0644 seconds
hbase(main):007:0> set_quota TYPE => THROTTLE, NAMESPACE => 'ns1', LIMIT => '10m/sec'
Took 0.0271 seconds
hbase(main):005:0> describe_namespace 'ns1'
DESCRIPTION
{NAME => 'ns1', hbase.namespace.quota.maxtables => '5'} 

// Table
hbase(main):007:0> set_quota TYPE => SPACE, TABLE => 't1', LIMIT => '1G', POLICY => NO_INSERTS
Took 0.0155 seconds
hbase(main):009:0> set_quota TYPE => THROTTLE, TABLE => 't1', LIMIT => '10T/hour'
Took 0.0309 seconds
hbase(main):008:0> describe 't1'
Table t1 is ENABLED
t1
COLUMN FAMILIES DESCRIPTION
{NAME => 'cf', VERSIONS => '1', EVICT_BLOCKS_ON_CLOSE => 'false', NEW_VERSION_BEHAVIOR => 'false', KEEP_DELETED_CELLS
=> 'FALSE', CACHE_DATA_ON_WRITE => 'false', DATA_BLOCK_ENCODING => 'NONE', TTL => 'FOREVER', MIN_VERSIONS => '0', REPL
ICATION_SCOPE => '0', BLOOMFILTER => 'ROW', CACHE_INDEX_ON_WRITE => 'false', IN_MEMORY => 'false', CACHE_BLOOMS_ON_WRI
TE => 'false', PREFETCH_BLOCKS_ON_OPEN => 'false', COMPRESSION => 'NONE', BLOCKCACHE => 'true', BLOCKSIZE => '65536'}
1 row(s)
Took 0.0341 seconds

Issue Links

• causes: HBASE-23140 Remove unknown table error