[LU-249] Allow the user to set the upper limit to the thread count on the MDS

• Status: Resolved
• Project: Lustre
• Affects Version/s: Lustre 2.1.0
• Fix Version/s: Lustre 1.8.8
• Type: Improvement
• Priority: Blocker
• Reporter: James A Simmons
• Assignee: Lai Siyao
• Resolution: Fixed

Environment

Very large scale system such as jaguarpf are affect but this limitation

• Bugzilla ID: 23,594

Description

Currently the largest number of the threads that can exist on the MDS is 512. For very large system is those threads can easily be exhausted and end up back logging the system. This patch allows the user to define the upper limit of how many threads are created on the MDS. If not selected the default behavior of 512 is keep.

Comments

[James A Simmons]

Patch posted for review at

http://review.whamcloud.com/#change,477http://review.whamcloud.com/#change,477

[Peter Jones]

Lai

Could you please look into this one

Thanks

Peter

[Build Master (Inactive)]

Integrated in lustre-master » x86_64,client,el5,inkernel #131
LU-249 Allow the user to set the upper limit to the thread count on the MDS

Oleg Drokin : cad6a6dedbe139e48173a9f491a3457de71026e0
Files :

• lustre/include/lustre_net.h
• lustre/autoconf/lustre-core.m4

[Build Master (Inactive)]

Integrated in lustre-master » x86_64,client,sles11,inkernel #131
LU-249 Allow the user to set the upper limit to the thread count on the MDS

Oleg Drokin : cad6a6dedbe139e48173a9f491a3457de71026e0
Files :

• lustre/include/lustre_net.h
• lustre/autoconf/lustre-core.m4

[Build Master (Inactive)]

Integrated in lustre-master » x86_64,client,el6,inkernel #131
LU-249 Allow the user to set the upper limit to the thread count on the MDS

Oleg Drokin : cad6a6dedbe139e48173a9f491a3457de71026e0
Files :

• lustre/autoconf/lustre-core.m4
• lustre/include/lustre_net.h

[Build Master (Inactive)]

Integrated in lustre-master » i686,client,el5,inkernel #131
LU-249 Allow the user to set the upper limit to the thread count on the MDS

Oleg Drokin : cad6a6dedbe139e48173a9f491a3457de71026e0
Files :

• lustre/include/lustre_net.h
• lustre/autoconf/lustre-core.m4

[Build Master (Inactive)]

Integrated in lustre-master » i686,client,el5,ofa #131
LU-249 Allow the user to set the upper limit to the thread count on the MDS

Oleg Drokin : cad6a6dedbe139e48173a9f491a3457de71026e0
Files :

• lustre/include/lustre_net.h
• lustre/autoconf/lustre-core.m4

[Build Master (Inactive)]

Integrated in lustre-master » x86_64,client,ubuntu1004,inkernel #131
LU-249 Allow the user to set the upper limit to the thread count on the MDS

Oleg Drokin : cad6a6dedbe139e48173a9f491a3457de71026e0
Files :

• lustre/include/lustre_net.h
• lustre/autoconf/lustre-core.m4

[Build Master (Inactive)]

Integrated in lustre-master » x86_64,client,el5,ofa #131
LU-249 Allow the user to set the upper limit to the thread count on the MDS

Oleg Drokin : cad6a6dedbe139e48173a9f491a3457de71026e0
Files :

• lustre/autoconf/lustre-core.m4
• lustre/include/lustre_net.h

[Build Master (Inactive)]

Integrated in lustre-master » x86_64,server,el5,inkernel #131
LU-249 Allow the user to set the upper limit to the thread count on the MDS

Oleg Drokin : cad6a6dedbe139e48173a9f491a3457de71026e0
Files :

• lustre/autoconf/lustre-core.m4
• lustre/include/lustre_net.h

[Build Master (Inactive)]

Integrated in lustre-master » x86_64,server,el6,inkernel #131
LU-249 Allow the user to set the upper limit to the thread count on the MDS

Oleg Drokin : cad6a6dedbe139e48173a9f491a3457de71026e0
Files :

• lustre/include/lustre_net.h
• lustre/autoconf/lustre-core.m4

[Build Master (Inactive)]

Integrated in lustre-master » x86_64,client,ubuntu1004,ofa #131
LU-249 Allow the user to set the upper limit to the thread count on the MDS

Oleg Drokin : cad6a6dedbe139e48173a9f491a3457de71026e0
Files :

• lustre/include/lustre_net.h
• lustre/autoconf/lustre-core.m4

[Build Master (Inactive)]

Integrated in lustre-master » i686,server,el5,inkernel #131
LU-249 Allow the user to set the upper limit to the thread count on the MDS

Oleg Drokin : cad6a6dedbe139e48173a9f491a3457de71026e0
Files :

• lustre/include/lustre_net.h
• lustre/autoconf/lustre-core.m4

[Build Master (Inactive)]

Integrated in lustre-master » i686,server,el5,ofa #131
LU-249 Allow the user to set the upper limit to the thread count on the MDS

Oleg Drokin : cad6a6dedbe139e48173a9f491a3457de71026e0
Files :

• lustre/include/lustre_net.h
• lustre/autoconf/lustre-core.m4

[Build Master (Inactive)]

Integrated in lustre-master » x86_64,server,el5,ofa #131
LU-249 Allow the user to set the upper limit to the thread count on the MDS

Oleg Drokin : cad6a6dedbe139e48173a9f491a3457de71026e0
Files :

• lustre/include/lustre_net.h
• lustre/autoconf/lustre-core.m4

[Build Master (Inactive)]

Integrated in lustre-master » i686,client,el6,inkernel #131
LU-249 Allow the user to set the upper limit to the thread count on the MDS

Oleg Drokin : cad6a6dedbe139e48173a9f491a3457de71026e0
Files :

• lustre/autoconf/lustre-core.m4
• lustre/include/lustre_net.h

[Build Master (Inactive)]

Integrated in lustre-master » i686,server,el6,inkernel #131
LU-249 Allow the user to set the upper limit to the thread count on the MDS

Oleg Drokin : cad6a6dedbe139e48173a9f491a3457de71026e0
Files :

• lustre/autoconf/lustre-core.m4
• lustre/include/lustre_net.h

[James A Simmons]

This ticket can be closed now.

[Peter Jones]

Landed for 2.1

[James A Simmons]

Could this be reopened to have it applied to the b1_8 branch?

[Build Master (Inactive)]

Integrated in lustre-b1_8 » i686,client,el6,inkernel #182
LU-249 mds: Increase the maximum number of threads on MDS (Revision a485a00a3b238ffb7d91b942fb3ab68be1758422)

Result = SUCCESS
Johann Lombardi : a485a00a3b238ffb7d91b942fb3ab68be1758422
Files :

• lustre/include/lustre_net.h
• lustre/autoconf/lustre-core.m4

[Build Master (Inactive)]

Integrated in lustre-b1_8 » i686,client,el5,ofa #182
LU-249 mds: Increase the maximum number of threads on MDS (Revision a485a00a3b238ffb7d91b942fb3ab68be1758422)

Result = SUCCESS
Johann Lombardi : a485a00a3b238ffb7d91b942fb3ab68be1758422
Files :

• lustre/autoconf/lustre-core.m4
• lustre/include/lustre_net.h

[Build Master (Inactive)]

Integrated in lustre-b1_8 » x86_64,client,ubuntu1004,inkernel #182
LU-249 mds: Increase the maximum number of threads on MDS (Revision a485a00a3b238ffb7d91b942fb3ab68be1758422)

Result = SUCCESS
Johann Lombardi : a485a00a3b238ffb7d91b942fb3ab68be1758422
Files :

• lustre/include/lustre_net.h
• lustre/autoconf/lustre-core.m4

[Build Master (Inactive)]

Integrated in lustre-b1_8 » i686,server,el5,ofa #182
LU-249 mds: Increase the maximum number of threads on MDS (Revision a485a00a3b238ffb7d91b942fb3ab68be1758422)

Result = SUCCESS
Johann Lombardi : a485a00a3b238ffb7d91b942fb3ab68be1758422
Files :

• lustre/include/lustre_net.h
• lustre/autoconf/lustre-core.m4

[Build Master (Inactive)]

Integrated in lustre-b1_8 » i686,server,el5,inkernel #182
LU-249 mds: Increase the maximum number of threads on MDS (Revision a485a00a3b238ffb7d91b942fb3ab68be1758422)

Result = SUCCESS
Johann Lombardi : a485a00a3b238ffb7d91b942fb3ab68be1758422
Files :

• lustre/autoconf/lustre-core.m4
• lustre/include/lustre_net.h

[Build Master (Inactive)]

Integrated in lustre-b1_8 » x86_64,client,el6,inkernel #182
LU-249 mds: Increase the maximum number of threads on MDS (Revision a485a00a3b238ffb7d91b942fb3ab68be1758422)

Result = SUCCESS
Johann Lombardi : a485a00a3b238ffb7d91b942fb3ab68be1758422
Files :

• lustre/include/lustre_net.h
• lustre/autoconf/lustre-core.m4

[Build Master (Inactive)]

Integrated in lustre-b1_8 » i686,client,el5,inkernel #182
LU-249 mds: Increase the maximum number of threads on MDS (Revision a485a00a3b238ffb7d91b942fb3ab68be1758422)

Result = SUCCESS
Johann Lombardi : a485a00a3b238ffb7d91b942fb3ab68be1758422
Files :

• lustre/include/lustre_net.h
• lustre/autoconf/lustre-core.m4

[Build Master (Inactive)]

Integrated in lustre-b1_8 » x86_64,server,el5,ofa #182
LU-249 mds: Increase the maximum number of threads on MDS (Revision a485a00a3b238ffb7d91b942fb3ab68be1758422)

Result = SUCCESS
Johann Lombardi : a485a00a3b238ffb7d91b942fb3ab68be1758422
Files :

• lustre/include/lustre_net.h
• lustre/autoconf/lustre-core.m4

[Build Master (Inactive)]

Integrated in lustre-b1_8 » x86_64,client,el5,inkernel #182
LU-249 mds: Increase the maximum number of threads on MDS (Revision a485a00a3b238ffb7d91b942fb3ab68be1758422)

Result = SUCCESS
Johann Lombardi : a485a00a3b238ffb7d91b942fb3ab68be1758422
Files :

• lustre/autoconf/lustre-core.m4
• lustre/include/lustre_net.h

[Build Master (Inactive)]

Integrated in lustre-b1_8 » x86_64,client,el5,ofa #182
LU-249 mds: Increase the maximum number of threads on MDS (Revision a485a00a3b238ffb7d91b942fb3ab68be1758422)

Result = SUCCESS
Johann Lombardi : a485a00a3b238ffb7d91b942fb3ab68be1758422
Files :

• lustre/include/lustre_net.h
• lustre/autoconf/lustre-core.m4

[Build Master (Inactive)]

Integrated in lustre-b1_8 » x86_64,server,el5,inkernel #182
LU-249 mds: Increase the maximum number of threads on MDS (Revision a485a00a3b238ffb7d91b942fb3ab68be1758422)

Result = SUCCESS
Johann Lombardi : a485a00a3b238ffb7d91b942fb3ab68be1758422
Files :

• lustre/include/lustre_net.h
• lustre/autoconf/lustre-core.m4