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ovsdb: Enable memory trimming after compaction by default.

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Memory trimming was introduced in OVS 2.15 and didn't cause any
issues in production environments since then, while allowing
ovsdb-sever to consume a lot less memory in high scale OVN
deployments.  Enabling by default to make it easier to use.

Acked-by: Dumitru Ceara <dceara@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
This commit is contained in:
Ilya Maximets 2022-06-30 13:27:00 +02:00
parent fe7382db67
commit e773140ec3
2 changed files with 4 additions and 1 deletions
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3
NEWS
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@ -21,6 +21,9 @@ Post-v2.17.0
configuration in a clustered databse independently for each server. configuration in a clustered databse independently for each server.
E.g. for listening on unique addresses. See the ovsdb.local-config.5 E.g. for listening on unique addresses. See the ovsdb.local-config.5
manpage for schema details. manpage for schema details.
* Returning unused memory to the OS after the database compaction is now
enabled by default. Use 'ovsdb-server/memory-trim-on-compaction off'
unixctl command to disable.
- OVSDB-IDL: - OVSDB-IDL:
* New monitor mode flag, OVSDB_IDL_WRITE_CHANGED_ONLY, allowing * New monitor mode flag, OVSDB_IDL_WRITE_CHANGED_ONLY, allowing
applications to relax atomicity requirements when dealing with applications to relax atomicity requirements when dealing with

2
ovsdb/ovsdb-server.c
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@ -80,7 +80,7 @@ static char *ssl_ciphers;
static bool bootstrap_ca_cert; static bool bootstrap_ca_cert;
/* Try to reclaim heap memory back to system after DB compaction. */ /* Try to reclaim heap memory back to system after DB compaction. */
static bool trim_memory = false; static bool trim_memory = true;
static unixctl_cb_func ovsdb_server_exit; static unixctl_cb_func ovsdb_server_exit;
static unixctl_cb_func ovsdb_server_compact; static unixctl_cb_func ovsdb_server_compact;