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chg: dev: Double the number of threadpool threads

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Introduce this temporary workaround to reduce the impact of long-running
tasks in offload threads which can block the resolution of queries.

Related isc-projects/bind9#4898

Merge branch '4898-workaround-double-threadpool-threads' into 'v9.21.1-release'

See merge request isc-private/bind9!740
This commit is contained in:
Nicki Křížek
2024-09-06 13:03:20 +00:00
parent 31245213a0 6857df20a4
commit cfdded4667
1 changed files with 4 additions and 1 deletions
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5
lib/isc/loop.c
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@@ -308,7 +308,10 @@ threadpool_initialize(uint32_t workers) {
int r = uv_os_getenv("UV_THREADPOOL_SIZE", buf,
&(size_t){ sizeof(buf) });
if (r == UV_ENOENT) {
snprintf(buf, sizeof(buf), "%" PRIu32, workers);
/* FIXME The number of threadpool threads has been temporarily
* doubled to work around the issue [GL #4898] until a proper
* solution is implemented. */
snprintf(buf, sizeof(buf), "%" PRIu32, 2 * workers);
uv_os_setenv("UV_THREADPOOL_SIZE", buf);
}
}