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HBASE-27086 Fix graceful_stop cannot take previous balancer status by incompatibility of hbase shell prompt #4490

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HBASE-27086 Fix graceful_stop cannot take previous balancer status by incompatibility of hbase shell prompt #4490

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HBASE-27086 Fix graceful_stop cannot take previous balancer status by…
bitterfox Jun 6, 2022
a1eccaa
Change condition to use :CUSTOM prompt mode to only when interactive …
bitterfox Jun 9, 2022
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2 changes: 1 addition & 1 deletion bin/graceful_stop.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -115,7 +115,7 @@ if [ "$nob" == "true" ]; then
HBASE_BALANCER_STATE=false
else
log "Disabling load balancer"
HBASE_BALANCER_STATE=$(echo 'balance_switch false' | "$bin"/hbase --config "${HBASE_CONF_DIR}" shell -n | tail -1)
HBASE_BALANCER_STATE=$(echo 'balance_switch false' | "$bin"/hbase --config "${HBASE_CONF_DIR}" shell -n | tail -2 | head -1)
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@bitterfox bitterfox Jun 6, 2022 •
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No idea, but empty line is added to the end of output of hbase shell. we need to take the 2nd line from the last

$ echo "balance_switch false" | bin/hbase shell -n | tail -1

$ echo "balance_switch false" | bin/hbase shell -n | tail -2 | head -1
false

log "Previous balancer state was $HBASE_BALANCER_STATE"
fi

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4 changes: 3 additions & 1 deletion hbase-shell/src/main/ruby/jar-bootstrap.rb
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Expand Up @@ -203,7 +203,9 @@ def debug?

IRB.conf[:IRB_NAME] = 'hbase'
IRB.conf[:AP_NAME] = 'hbase'
IRB.conf[:PROMPT_MODE] = :CUSTOM
if interactive
IRB.conf[:PROMPT_MODE] = :CUSTOM
end
IRB.conf[:BACK_TRACE_LIMIT] = 0 unless full_backtrace

# Create a workspace we'll use across sessions.
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