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[Bug 1534587] [NEW] increase default num_sync_threads of GreenPool to speed up dhcp sync_state

 

Public bug reported:

dhcp-agent create a green thread for every network when sync_state. But default GreenPool threads num is 4. 
It can be increase  to speed up sync_state process.

Int my test environment, twice times faster when it increase to 16 with
1500+ networks

** Affects: neutron
     Importance: Undecided
     Assignee: yaowei (yaowei)
         Status: New

** Changed in: neutron
     Assignee: (unassigned) => yaowei (yaowei)

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https://bugs.launchpad.net/bugs/1534587

Title:
  increase default num_sync_threads of GreenPool to speed up dhcp
  sync_state

Status in neutron:
  New

Bug description:
  dhcp-agent create a green thread for every network when sync_state. But default GreenPool threads num is 4. 
  It can be increase  to speed up sync_state process.

  Int my test environment, twice times faster when it increase to 16
  with 1500+ networks

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