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From 3bf557cd74a50f7fadaba59c86653de8887d4ffd Mon Sep 17 00:00:00 2001
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From: Milind Changire <mchangir@redhat.com>
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Date: Fri, 1 Jun 2018 12:56:20 +0530
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Subject: [PATCH 293/305] rpcsvc: correct event-thread scaling
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Problem:
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Auto thread count derived from the number of attachs and detachs
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was reset to 1 when server_reconfigure() was called.
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Solution:
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Avoid auto-thread-count reset to 1.
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mainline:
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> BUG: 1547888
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> Reviewed-on: https://review.gluster.org/19689
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> Reviewed-by: Raghavendra G <rgowdapp@redhat.com>
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> Signed-off-by: Milind Changire <mchangir@redhat.com>
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(cherry picked from commit 0c3d984287d91d3fe1ffeef297252d912c08a410)
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BUG: 1554255
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Change-Id: I53217bd0634ec5dcc164338867d9d468687598b0
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Signed-off-by: Milind Changire <mchangir@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/140454
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Reviewed-by: Raghavendra Gowdappa <rgowdapp@redhat.com>
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Tested-by: RHGS Build Bot <nigelb@redhat.com>
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Reviewed-by: Mohit Agrawal <moagrawa@redhat.com>
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Reviewed-by: Sunil Kumar Heggodu Gopala Acharya <sheggodu@redhat.com>
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---
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xlators/protocol/server/src/server.c | 7 ++++---
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1 file changed, 4 insertions(+), 3 deletions(-)
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diff --git a/xlators/protocol/server/src/server.c b/xlators/protocol/server/src/server.c
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index bc87a80..69ad184 100644
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--- a/xlators/protocol/server/src/server.c
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+++ b/xlators/protocol/server/src/server.c
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@@ -1042,10 +1042,11 @@ do_rpc:
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}
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/*
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- * Let the event subsystem know that we're auto-scaling, with an
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- * initial count of one.
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+ * Update:
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+ * We don't need to reset auto_thread_count since it has been derived
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+ * out of the total bricks attached. We can reconfigure event threads
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+ * but not auto threads.
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*/
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- ((struct event_pool *)(this->ctx->event_pool))->auto_thread_count = 1;
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GF_OPTION_RECONF ("event-threads", new_nthread, options, int32, out);
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ret = server_check_event_threads (this, conf, new_nthread);
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--
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1.8.3.1
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