| Commit message (Collapse) | Author | Age | Files | Lines |
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Problem: In changelog xlator after destroying listener it call's
unlink to delete changelog socket file but socket file
reference is not cleaned up from process memory
Solution: 1) To cleanup reference completely from process memory
serialize transport cleanup for changelog and then
unlink socket file
2) Brick xlator will notify GF_EVENT_PARENT_DOWN to next
xlator only after cleanup all xprts
Test: To test the same run below steps
1) Setup some volume and enable brick mux
2) kill anyone brick with gf_attach
3) check changelog socket for specific to killed brick
in lsof, it should cleanup completely
fixes: bz#1600145
Change-Id: Iba06cbf77d8a87b34a60fce50f6d8c0d427fa491
Signed-off-by: Mohit Agrawal <moagrawal@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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rpcsvc_transport_unix_options_build() allocates the dictionary and sets
it in the options variable, there is no need to allocate it before passing
to the function in changelog_rpc_server_init()
updates bz#1650403
Change-Id: I5b4caedba6bda706dee723a2be34c3981bf971fb
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
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Change-Id: Ia84cc24c8924e6d22d02ac15f611c10e26db99b4
Signed-off-by: Nigel Babu <nigelb@redhat.com>
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Problem: Sometime br-state-check.t crash while runnning
for brick multiplex and command in test case is
taking 2 minutes for detach a brick
Solution: Update code in changelog xlator specific to wait
on all connection before cleanup rpc threads and
cleanup rpc object only in non brick mux scenario
BUG: 1577672
Change-Id: I16e257c1e127744a815000b87bd8b7b8d9c51e1b
fixes: bz#1577672
Signed-off-by: Mohit Agrawal <moagrawa@redhat.com>
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Problem: At the time of stopping the volume while brick multiplex is
enabled memory is not cleanup from all server side xlators.
Solution: To cleanup memory for all server side xlators call fini
in glusterfs_handle_terminate after send GF_EVENT_CLEANUP
notification to top xlator.
BUG: 1544090
Signed-off-by: Mohit Agrawal <moagrawa@redhat.com>
Note: Run all test-cases in separate build (https://review.gluster.org/19574)
with same patch after enable brick mux forcefully, all test cases are
passed.
Change-Id: Ia10dc7f2605aa50f2b90b3fe4eb380ba9299e2fc
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There are still remain some code paths where cleanup is required while
brick mux is on.I will upload a new patch after resolve all code paths.
This reverts commit b313d97faa766443a7f8128b6e19f3d2f1b267dd.
BUG: 1544090
Change-Id: I26ef1d29061092bd9a409c8933d5488e968ed90e
Signed-off-by: Mohit Agrawal <moagrawa@redhat.com>
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Problem: At the time of stopping the volume while brick multiplex is
enabled memory is not cleanup from all server side xlators.
Solution: To cleanup memory for all server side xlators call fini
in glusterfs_handle_terminate after send GF_EVENT_CLEANUP
notification to top xlator.
BUG: 1544090
Change-Id: Ifa1525e25b697371276158705026b421b4f81140
Signed-off-by: Mohit Agrawal <moagrawa@redhat.com>
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Ensure that the fop program is the first in the program list
so that there's minimum amount of time spent to search the
program for the most frequently needed use case.
Change-Id: I45c3dcdbf39ec90ba39d914432d13a2ace00a5ee
BUG: 1509647
Signed-off-by: Milind Changire <mchangir@redhat.com>
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the programe unregister loop never get moved forward, it's a dead loop.
to resolve it, add progs++ in the loop.
Change-Id: Ib25ded10b3ce808e2fb57b13d767833f24cf01a7
BUG: 1369393
Signed-off-by: Ryan Ding <ryan.ding@open-fs.com>
Reviewed-on: https://review.gluster.org/15292
Smoke: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Prashanth Pai <ppai@redhat.com>
Tested-by: Kotresh HR <khiremat@redhat.com>
Reviewed-by: Kotresh HR <khiremat@redhat.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
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http://review.gluster.org/14085 fixes a/the "leak" - via the
generated rpc/xdr headers - of pragmas that mask these warnings.
However 14085 won't pass the smoke test until all the warnings are
fixed.
Change-Id: I3d8a7a3de35058aa97eab59d3f59208396298b03
BUG: 1369124
Signed-off-by: Kaleb S. KEITHLEY <kkeithle@redhat.com>
Reviewed-on: http://review.gluster.org/15246
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: Kotresh HR <khiremat@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: I8ef94c48728666465abf126c778b70c9e5c00e47
BUG: 1267967
Signed-off-by: Kaleb S. KEITHLEY <kkeithle@redhat.com>
Reviewed-on: http://review.gluster.org/12273
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
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The @owner argument tells RPC layer the xlator that owns
the connection and to which xlator THIS needs be set during
network notifications like CONNECT and DISCONNECT.
Code paths that originate from the head of a (volume) graph and use
STACK_WIND ensure that the RPC local endpoint has the right xlator saved
in the frame of the call (callback pair). This guarantees that the
callback is executed in the right xlator context.
The client handshake process which includes fetching of brick ports from
glusterd, setting lk-version on the brick for the session, don't have
the correct xlator set in their frames. The problem lies with RPC
notifications. It doesn't have the provision to set THIS with the xlator
that is registered with the corresponding RPC programs. e.g,
RPC_CLNT_CONNECT event received by protocol/client doesn't have THIS set
to its xlator. This implies, call(-callbacks) originating from this
thread don't have the right xlator set too.
The fix would be to save the xlator registered with the RPC connection
during rpc_clnt_new. e.g, protocol/client's xlator would be saved with
the RPC connection that it 'owns'. RPC notifications such as CONNECT,
DISCONNECT, etc inherit THIS from the RPC connection's xlator.
Change-Id: I9dea2c35378c511d800ef58f7fa2ea5552f2c409
BUG: 1235582
Signed-off-by: Krishnan Parthasarathi <kparthas@redhat.com>
Reviewed-on: http://review.gluster.org/11436
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Raghavendra G <rgowdapp@redhat.com>
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Change-Id: Ic7f842acca52908fd88e0796dc90b82650405b25
BUG: 1194640
Signed-off-by: Anusha Rao <anusha91rao@gmail.com>
Reviewed-on: http://review.gluster.org/10532
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Venky Shankar <vshankar@redhat.com>
Reviewed-by: Kotresh HR <khiremat@redhat.com>
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The structure 'rpcsvc_state', which maintains rpc server
state had no separate pointer to track the translator.
It was using the mydata pointer itself. So callers were
forced to send xlator pointer as mydata which is opaque
(void pointer) by function prototype.
'rpcsvc_register_init' is setting svc->mydata with xlator
pointer. 'rpcsvc_register_notify' is overwriting svc->mydata
with mydata pointer. And rpc interprets svc->mydata as
xlator pointer internally. If someone passes non xlator
structure pointer to rpcsvc_register_notify as libgfchangelog
currently does, it might corrupt mydata. So interpreting opaque
mydata as xlator pointer is incorrect as it is caller's choice
to send mydata as any type of data to 'rpcsvc_register_notify'.
Maintaining two different pointers in 'rpcsvc_state' for xlator
and mydata solves the issue.
Change-Id: I7874933fefc68f3fe01d44f92016a8e4e9768378
BUG: 1215161
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: http://review.gluster.org/10366
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Raghavendra G <rgowdapp@redhat.com>
Tested-by: Raghavendra G <rgowdapp@redhat.com>
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This patch introduces RPC based communication between the changelog
translator and libgfchangelog. It replaces the old pathetic stream
based interaction that existed earlier (due to time constraints :-/).
Changelog, upon initialization starts a RPC server (rpcsvc) allowing
clients to invoke a probe API as a bootup mechanism to request for
event notifications. During probe, clients can choose an event
filter specifying the type(s) of events they are interested in. As
of now there is no way to change the event notification set once
the probe RPC call is made, but that is easier to implement.
The actual event notifications is done on a separate RPC session.
The client (libgfchangelog) itself starts and RPC server which the
changelog translator "connects back" during probe. Notifications
are dispatched by a bunch of threads from the server (translator)
and the client optionally orders them if ordered notifications
are requried. FOPs fill in their respective event details in a
buffer (rot-buffs to be particular) and a bunch of threads
(consumers) swap the buffers out of roatation and dispatch them
via RPC. To avoid writer starvation, then number of dispatcher
threads is one less than the number of buffer list in rot-buffs.x
libgfchangelog becomes purely callback based -- upon event
notification from the server (and re-ordering them if required)
invoke a callback routine specified by consumer(s).
A major part of the patch is also aimed at providing backward
compatibility for geo-replication, which was one of the main
consumer of the stream based API. Also, this patch does not\
"turn on" event notifications for all fops, just a bunch which
is currently in requirement. Another pain point is that the
server does not filter events before dispatching it to the
clients. That load is taken up by the client itself (although
it's done at the library layer rather than making it hard on
the callback implementor). This needs improvement and care
needs to be taken to not load the server up with expensive
filtering mechanisms.
Change-Id: Ibf60a432b68f2dfa60c6f9add2bcfd37a9c41395
BUG: 1170075
Signed-off-by: Venky Shankar <vshankar@redhat.com>
Reviewed-on: http://review.gluster.org/9708
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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