| Commit message (Collapse) | Author | Age | Files | Lines |
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The current scaling of the syncop thread pool is not working properly
and can leave some tasks in the run queue more time than necessary
when the maximum number of threads is not reached.
This patch provides a better scaling condition to react faster to
pending work.
Condition variables and sleep in the context of a synctask have also
been implemented. Their purpose is to replace regular condition
variables and sleeps that block synctask threads and prevent other
tasks to be executed.
The new features have been applied to several places in glusterd.
Change-Id: Ic50b7c73c104f9e41f08101a357d30b95efccfbf
Fixes: #1116
Signed-off-by: Xavi Hernandez <xhernandez@redhat.com>
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When gNFS is disabled in build time, we have to ensure
taht the .stop(), .start() and other functions of the nfs_svc
are not called, otherwise we'd crash.
In addition, #ifdef more code that is gNFS related.
updates: bz#1793995
Signed-off-by: Yaniv Kaul <ykaul@redhat.com>
Change-Id: I5081f1670c04ca306aeaab7208829b0f2f149a42
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This parameter may have been used in the past, but is no longer
needed. Removing it and the few locations it was actually referenced.
This allows to remove an extra memdup as well, that was not needed
in the 1st place in server_setvolume() and unserialize_rsp_direntp()
functions.
A followup separate patch will remove extra_stdfree parmeter
from the dictionary structure.
Change-Id: Ica0ff0a330672373aaa60e808b7e76ec489a0fe3
updates: bz#1193929
Signed-off-by: Yaniv Kaul <ykaul@redhat.com>
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If we are not compiling gNFS (--enable-gnfs is not given in the
./configure script params), there is little point in compiling code
that is related to it.
This patch tries to eliminate it.
My hope (and it's not clear from the code ) is that I did not break
the NFS Ganesha support as well.
Other than that, tried to compile with and without anad it looks sane.
Change-Id: I8d6c98066b9fceab4ec10fc6f5e81ab069e853bd
updates: bz#1193929
Signed-off-by: Yaniv Kaul <ykaul@redhat.com>
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This patch addresses two problems:
1. During friend handshaking, if a volume is imported due to change in
the version, the old bricks were not stopped which would lead to a
situation where bricks will run with old volfiles.
2. As part of attaching shd service in glusterd_attach_svc, there might
be a case that the volume for which we're attempting to attach a shd
service might become stale and in the process of deletion and hence in
every retrials (if the rpc connection isn't ready) check for the
existance of the volume and then only attempt the further attach
request.
Fixes: bz#1733425
Change-Id: I6bac6b871f7e31cb5bf277db979289dec196a03e
Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
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We were ruturning first proc entry even if it is not running.
This was in an assumption that the process could have just
started and not updated the pidfile.
Now we that we have introduced the states for process state,
we can take decision based on that.
Change-Id: Ibfc11c966b0db599a8d6a08d8b975233b2bbfb8c
Fixes: bz#1728766
Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
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For a normal volume, we are updating the pid from a the
process while we do a daemonization or at the end of the
init if it is no-daemon mode. Along with updating the pid
we also lock the file, to make sure that the process is
running fine.
With brick mux, we were updating the pidfile from gluterd
after an attach/detach request.
There are two problems with this approach.
1) We are not holding a pidlock for any file other than parent
process.
2) There is a chance for possible race conditions with attach/detach.
For example, shd start and a volume stop could race. Let's say
we are starting an shd and it is attached to a volume.
While we trying to link the pid file to the running process,
this would have deleted by the thread that doing a volume stop.
Change-Id: I29a00352102877ce09ea3f376ca52affceb5cf1a
Updates: bz#1722541
Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
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Fixes following:
https://build.gluster.org/job/clang-scan/744/clangScanBuildBugs/browse/report-dd8d31.html#EndPath
https://build.gluster.org/job/clang-scan/744/clangScanBuildBugs/browse/report-89a1cd.html#EndPath
Updates: bz#1622665
Change-Id: Ibd201fb2ca54ae7ae3fed8a8d87815358b614349
Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
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With the shd mux changes, shd was havinga a logfile
with volname of the first started volume.
This was creating a lot confusion, as other volumes data
is also logging to a logfile which has a different vol name.
With this changes the logfile will be changed to a unique name
ie "/var/log/glusterfs/glustershd.log". This was the same
logfile name before the shd mux
Change-Id: I2b94c1f0b2cf3c9493505dddf873687755a46dda
fixes: bz#1721601
Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
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While restarting a glusterd process, when we have a stale pid
we were doing a simple kill. Instead we can use glusterd_proc_stop
Because it has more logging plus force kill in case if there is
any problem with kill signal handling.
Change-Id: I4a2dadc210a7a65762dd714e809899510622b7ec
updates: bz#1710054
Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
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glusterd_svcs_stop should call individual wrapper function to stop a
daemon rather than calling glusterd_svc_stop. For example for shd,
it should call glusterd_shdsvc_stop instead of calling basic API
function to stop. Because the individual functions for each daemon
could be doing some specific operation in their wrapper function.
Change-Id: Ie6d40590251ad470ef3901d1141ab7b22c3498f5
fixes: bz#1712741
Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
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The handler functions are pointed to dummy functions.
The switch case handling for tier also have been moved to
point default case to avoid issues, if reintroduced.
The tier changes in DHT still remain as such.
updates: bz#1693692
Change-Id: I80d80c9a3eb862b4440a36b31ae82b2e9d92e4dc
Signed-off-by: Hari Gowtham <hgowtham@redhat.com>
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Along with fixing few defect, put the required annotations for the defects which
are marked ignore/false positive/intentional as per the coverity defect sheet.
This should avoid the per component graph showing many defects as open in the
coverity glusterfs web page.
Updates: bz#789278
Change-Id: I19461dc3603a3bd8f88866a1ab3db43d783af8e4
Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
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When svc attach execute for multiplexing a daemon, we have to keep
a ref on volinfo until it finish the execution. Because, if the attach
is an aysnc call, then a parallel volume delete can lead to free the
volinfo
Change-Id: Ibc02b89557baaed2f63db63d7fb1a7480444ae0d
fixes: bz#1702185
Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
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CID 1400475: Null pointer dereferences (FORWARD_NULL)
CID 1400474: Null pointer dereferences (FORWARD_NULL)
CID 1400471: Code maintainability issues (UNUSED_VALUE)
CID 1400470: Null pointer dereferences (FORWARD_NULL)
CID 1400469: Memory - illegal accesses (USE_AFTER_FREE)
CID 1400467: Code maintainability issues (UNUSED_VALUE)
Change-Id: I0ca1c733be335c6e5844f44850f8066626ac40d4
updates: bz#789278
Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
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Problem:
Shd daemon is per node, which means they create a graph
with all volumes on it. While this is a great for utilizing
resources, it is so good in terms of performance and managebility.
Because self-heal daemons doesn't have capability to automatically
reconfigure their graphs. So each time when any configurations
changes happens to the volumes(replicate/disperse), we need to restart
shd to bring the changes into the graph.
Because of this all on going heal for all other volumes has to be
stopped in the middle, and need to restart all over again.
Solution:
This changes makes shd as a per volume daemon, so that the graph
will be generated for each volumes.
When we want to start/reconfigure shd for a volume, we first search
for an existing shd running on the node, if there is none, we will
start a new process. If already a daemon is running for shd, then
we will simply detach a graph for a volume and reatach the updated
graph for the volume. This won't touch any of the on going operations
for any other volumes on the shd daemon.
Example of an shd graph when it is per volume
graph
-----------------------
| debug-iostat |
-----------------------
/ | \
/ | \
--------- --------- ----------
| AFR-1 | | AFR-2 | | AFR-3 |
-------- --------- ----------
A running shd daemon with 3 volumes will be like-->
graph
-----------------------
| debug-iostat |
-----------------------
/ | \
/ | \
------------ ------------ ------------
| volume-1 | | volume-2 | | volume-3 |
------------ ------------ ------------
Change-Id: Idcb2698be3eeb95beaac47125565c93370afbd99
fixes: bz#1659708
Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
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libglusterfs devel package headers are referenced in code using
include semantics for a program, this while it works can be better
especially when dealing with out of tree xlator builds or in
general out of tree devel package usage.
Towards this, the following changes are done,
- moved all devel headers under a glusterfs directory
- Included these headers using system header notation <> in all
code outside of libglusterfs
- Included these headers using own program notation "" within
libglusterfs
This change although big, is just moving around the headers and
making it correct when including these headers from other sources.
This helps us correctly include libglusterfs includes without
namespace conflicts.
Change-Id: Id2a98854e671a7ee5d73be44da5ba1a74252423b
Updates: bz#1193929
Signed-off-by: ShyamsundarR <srangana@redhat.com>
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Change-Id: Ia84cc24c8924e6d22d02ac15f611c10e26db99b4
Signed-off-by: Nigel Babu <nigelb@redhat.com>
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This patch moves stack based PATH_MAX allocations for tmpfile
names, to heap allocated names instead. Reducing the impact on
stack space used and accruing benefits thereof.
Change-Id: I646d9cb091018de6768b3523902788fa2ba14d96
Updates: bz#1193929
Signed-off-by: ShyamsundarR <srangana@redhat.com>
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mkstemp as per the Linux man page, uses 0600 as the permission
bits when creating the file. This is hence safe and a Coverity
warning that should be ignored.
Further, we are mostly a multi-threaded program in all our daemons
and cannot set and unset umask at will in a multi-threaded
program, to address the coverity issue.
This change attempts to nudge coverity to ignore this warning,
using the pattern,
/* coverity[EVENT_TAG_NAME] ... */
<line of code that has the issue>
This commit is an experiment, if post merge the next coverity
report ignores these errors, the above pattern (as found using
an internet search) works and can be applied to certain other
warnings as well.
Change-Id: I73a184ce1a54dd9e66542952b1190a74438c826a
Updates: bz#789278
Signed-off-by: ShyamsundarR <srangana@redhat.com>
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tierd is implemented by separating from rebalance process.
The commands affected:
1) Attach tier will trigger this process instead of old one
2) tier start and tier start force will also trigger this process.
3) volume status [tier] will show tier daemon as a process instead
of task and normal tier status and tier detach status works.
4) tier stop implemented.
5) detach tier implemented separately along with new detach tier
status
6) volume tier volname status will work using the changes.
7) volume set works
This patch has separated the tier translator from the legacy
DHT rebalance code. It now sends the RPCs from the CLI
to glusterd separate to the DHT rebalance code.
The daemon is now a service, similar to the snapshot daemon,
and can be viewed using the volume status command.
The code for the validation and commit phase are the same
as the earlier tier validation code in DHT rebalance.
The “brickop” phase has been changed so that the status
command can use this framework.
The service management framework is now used.
DHT rebalance does not use this framework.
This service framework takes care of :
*) spawning the daemon, killing it and other such processes.
*) volume set options , which are written on the volfile.
*) restart and reconfigure functions. Restart is to restart
the daemon at two points
1)after gluster goes down and comes up.
2) to stop detach tier.
*) reconfigure is used to make immediate volfile changes.
By doing this, we don’t restart the daemon.
it has the code to rewrite the volfile for topological
changes too (which comes into place during add and remove brick).
With this patch the log, pid, and volfile are separated
and put into respective directories.
Change-Id: I3681d0d66894714b55aa02ca2a30ac000362a399
BUG: 1313838
Signed-off-by: hari gowtham <hgowtham@redhat.com>
Reviewed-on: http://review.gluster.org/13365
Smoke: Gluster Build System <jenkins@build.gluster.org>
Tested-by: hari gowtham <hari.gowtham005@gmail.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Dan Lambright <dlambrig@redhat.com>
Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
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Raghavendra G found that posix is trying to print %s
but passing an int when HEALTH_CHECK fails in posix.
These are the kind of bugs that should be caught
at compilation itself.
Also fixed the problematic gf_event() callers.
BUG: 1386097
Change-Id: Id7bd6d9a9690237cec3ca1aefa2aac085e8a1270
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/15671
Smoke: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
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As the eventing framework is already in the code, this patch targets to capture
all the async glusterd events which are important to be notified to the higher
layers which consume the eventing framework.
I plan to break this work into two different patches where this patch set covers
the first set of events.
Change-Id: Ie1bd4f6fa84117b26ccb4c75bc4dc68e6ef19134
BUG: 1360809
Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
Reviewed-on: http://review.gluster.org/15015
Smoke: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Rohan Kanade <rkanade@redhat.com>
Reviewed-by: Samikshan Bairagya <samikshan@gmail.com>
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Next step in eventual deprecation of glusterfs nfs server in favor
of ganesha.nfsd.
Also replace several open-coded strings with constant.
Change-Id: If52f5e880191a14fd38e69b70a32b0300dd93a50
BUG: 1092414
Signed-off-by: Kaleb S KEITHLEY <kkeithle@redhat.com>
Reviewed-on: http://review.gluster.org/13738
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Smoke: Gluster Build System <jenkins@build.gluster.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
Tested-by: Atin Mukherjee <amukherj@redhat.com>
Reviewed-by: Niels de Vos <ndevos@redhat.com>
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various xlators and other components are invoking system calls
directly instead of using the libglusterfs/syscall.[ch] wrappers.
If not using the system call wrappers there should be a comment
in the source explaining why the wrapper isn't used.
Change-Id: I28bf2a5f7730b35914e7ab57fed91e1966b30073
BUG: 1267967
Signed-off-by: Kaleb S. KEITHLEY <kkeithle@redhat.com>
Reviewed-on: http://review.gluster.org/12379
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
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problem : Reset/set commands were not working properly. reset command returns
success but it not sending notification to svcs if corresponding graph modified.
Fix: Whenever reset/set command issued, generate the temp graph and compare
with original graph and do the fallowing actions
1.) If both graph are identical nothing to do with svcs.
2.) If any changes in graph topology restart/stop service by calling
svc manager.
3) If changes in options send notify signal by calling glusterd_fetchspec_notify.
Change-Id: I852c4602eafed1ae6e6a02424814fe3a83e3d4c7
BUG: 1209329
Signed-off-by: anand <anekkunt@redhat.com>
Reviewed-on: http://review.gluster.org/10850
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
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Problem : Scrub and bitd reconfigure functions were not invoking if
quota is not enabled.
Reason : In glusterd_svcs_reconfigure, if quota is not enabled then
it is returning in the middle of the function without calling bitd
and scrub reconfigure functions.
Fix : If quota is not enable on volume, skip quota reconfigure and
continue for other daemon reconfigure.
This patch also address the state dump issue for bitd and quotad
(logs the scrub and bitd info into state dump).
Change-Id: I39ea004b70c95543c08496245be595b3ea044a29
BUG: 1219355
Signed-off-by: anand <anekkunt@redhat.com>
Reviewed-on: http://review.gluster.org/10622
Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
Tested-by: NetBSD Build System
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Kaushal M <kaushal@redhat.com>
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On restarting of glusterd first it will start all the bricks present
in the volume then it will start all the services. During starting of
all the services it may pass volinfo as a NULL. It will cause Assert
failure in glusterd_bitdsvc_manager function and will cause a glusterd
crash.
Change-Id: Ia14cf5022da88516cdd576eb2d1e0e7b17a3782b
BUG: 1207029
Signed-off-by: Gaurav Kumar Garg <ggarg@redhat.com>
Reviewed-on: http://review.gluster.org/10241
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com>
Tested-by: Krishnan Parthasarathi <kparthas@redhat.com>
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If user enable bitrot from node1 which have brick then glusterd starting
bitd daemon on node1 as well as glusterd starting bitd deamon on another node2
which does not have any brick (node1 and node2 are part of cluster).
With this fix glusterd will not start bitd daemon on the node which
don't have brick.
Change-Id: Ic1c68d204221d369d89d628487cdd5957964792e
BUG: 1207029
Signed-off-by: Gaurav Kumar Garg <ggarg@redhat.com>
Reviewed-on: http://review.gluster.org/10071
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
Reviewed-by: Venky Shankar <vshankar@redhat.com>
Tested-by: Venky Shankar <vshankar@redhat.com>
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* BitRot enable/disable CLI per volume
* Volfile generation for Scrubber
* Relevant glusterd infrastructure
Change-Id: I1212af63f93ecc52b22ee6da920e1664f66a1e39
BUG: 1170075
Original-Author: Raghavendra Bhat <raghavendra@redhat.com>
Original-Author: Venky Shankar <vshankar@redhat.com>
Original-Author: Gaurav Kumar Garg <ggarg@redhat.com>
Original-Author: Anand Nekkunti <anekkunt@redhat.com>
Reviewed-on: http://review.gluster.org/9986
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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* Implement the skeleton of bit-rot xlator.
Original-Author: Raghavendra Bhat <raghavendra@redhat.com>
Signed-off-by: Venky Shankar <vshankar@redhat.com>
Signed-off-by: Gaurav Kumar Garg <ggarg@redhat.com>
Signed-off-by: Anand Nekkunti <anekkunt@redhat.com>
Change-Id: If33218bdc694f5f09cb7b8097c4fdb74d7a23b2d
BUG: 1170075
Reviewed-on: http://review.gluster.org/9710
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Tested-by: Vijay Bellur <vbellur@redhat.com>
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This patch ports nfs, shd, quotad & snapd with the approach suggested in
http://www.gluster.org/pipermail/gluster-devel/2014-December/043180.html
Change-Id: I4ea5b38793f87fc85cc9d2cf873727351dedffd2
BUG: 1191486
Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
Signed-off-by: Krishnan Parthasarathi <kparthas@redhat.com>
Reviewed-on: http://review.gluster.org/9428
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Nekkunti <anekkunt@redhat.com>
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