---> uname -a: Linux prd-centos8-docker-4c-4g-4450.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 829 11621 19 3311 14584 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:05:6b:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.179/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85917sec preferred_lft 85917sec inet6 fe80::f816:3eff:fe05:6b41/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2a:66:b5:b6 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:2aff:fe66:b5b6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 01/10/2026 _x86_64_ (4 CPU) 08:02:28 LINUX RESTART (4 CPU) 08:03:01 AM tps rtps wtps bread/s bwrtn/s 08:04:01 AM 234.18 19.96 214.21 3827.63 9199.50 08:05:02 AM 204.22 7.30 196.92 1039.16 11780.40 08:06:01 AM 24.35 0.00 24.35 0.00 7457.10 08:07:01 AM 13.76 2.90 10.86 255.02 373.52 08:08:01 AM 82.72 0.62 82.11 424.53 15686.82 08:09:01 AM 13.99 1.22 12.77 1589.88 1181.90 08:10:01 AM 101.33 0.07 101.27 9.73 8038.88 Average: 96.53 4.59 91.94 1023.30 7674.10 08:03:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:04:01 AM 12986496 14953892 3155028 19.55 2688 2175652 1243436 7.23 160144 2611736 198036 08:05:02 AM 11340148 13653988 4801376 29.75 2688 2515192 2301028 13.39 254452 4123116 213624 08:06:01 AM 10853652 13170736 5287872 32.76 2688 2518292 2627008 15.28 262964 4599304 864 08:07:01 AM 9913308 12256164 6228216 38.59 2688 2543392 3554748 20.68 274396 5520980 2468 08:08:01 AM 8808932 11563788 7332592 45.43 2688 2945116 4865560 28.30 404720 6451148 108 08:09:01 AM 11156220 14148044 4985304 30.88 2688 3181096 1844964 10.73 456740 4059956 163956 08:10:01 AM 11866772 14891792 4274752 26.48 2688 3210448 1204992 7.01 652104 3149112 28912 Average: 10989361 13519772 5152163 31.92 2688 2727027 2520248 14.66 352217 4359336 86853 08:03:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:04:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 AM eth0 135.34 103.23 1560.26 29.17 0.00 0.00 0.00 0.00 08:04:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:02 AM eth0 335.18 269.02 4701.63 35.86 0.00 0.00 0.00 0.00 08:05:02 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 AM eth0 213.47 145.68 66.09 74.99 0.00 0.00 0.00 0.00 08:06:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:07:01 AM lo 3.58 3.58 0.48 0.48 0.00 0.00 0.00 0.00 08:07:01 AM eth0 136.58 86.89 40.89 52.19 0.00 0.00 0.00 0.00 08:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:08:01 AM lo 13.36 13.36 26.69 26.69 0.00 0.00 0.00 0.00 08:08:01 AM eth0 228.79 139.90 2832.01 15.14 0.00 0.00 0.00 0.00 08:08:01 AM docker0 0.13 0.23 0.01 0.02 0.00 0.00 0.00 0.00 08:08:01 AM veth7f11e6f 0.13 0.38 0.01 0.03 0.00 0.00 0.00 0.00 08:08:01 AM br-f84ae58e34a6 5.58 5.45 25.61 0.92 0.00 0.00 0.00 0.00 08:09:01 AM lo 0.85 0.85 0.04 0.04 0.00 0.00 0.00 0.00 08:09:01 AM eth0 150.97 111.14 2907.02 11.66 0.00 0.00 0.00 0.00 08:09:01 AM docker0 0.08 0.10 0.00 0.01 0.00 0.00 0.00 0.00 08:10:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 AM eth0 95.38 73.92 214.99 135.02 0.00 0.00 0.00 0.00 08:10:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.55 2.55 3.90 3.90 0.00 0.00 0.00 0.00 Average: eth0 185.03 132.79 1764.55 50.51 0.00 0.00 0.00 0.00 Average: docker0 0.03 0.05 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 01/10/2026 _x86_64_ (4 CPU) 08:02:28 LINUX RESTART (4 CPU) 08:03:01 AM CPU %user %nice %system %iowait %steal %idle 08:04:01 AM all 23.40 0.00 2.24 1.95 0.08 72.32 08:04:01 AM 0 26.77 0.00 1.72 1.14 0.08 70.30 08:04:01 AM 1 21.07 0.00 1.96 1.55 0.08 75.34 08:04:01 AM 2 30.83 0.00 3.38 3.05 0.08 62.66 08:04:01 AM 3 14.93 0.00 1.89 2.08 0.08 81.01 08:05:02 AM all 60.72 0.00 2.10 1.81 0.10 35.27 08:05:02 AM 0 56.64 0.00 2.32 2.47 0.10 38.46 08:05:02 AM 1 64.62 0.00 1.37 1.47 0.10 32.44 08:05:02 AM 2 57.18 0.00 2.74 1.72 0.10 38.25 08:05:02 AM 3 64.43 0.00 1.96 1.57 0.10 31.95 08:06:01 AM all 24.16 0.00 1.32 0.37 0.08 74.06 08:06:01 AM 0 21.33 0.00 1.31 0.42 0.08 76.85 08:06:01 AM 1 28.85 0.00 1.10 0.00 0.07 69.98 08:06:01 AM 2 25.95 0.00 1.29 0.58 0.08 72.10 08:06:01 AM 3 20.51 0.00 1.60 0.48 0.09 77.33 08:07:01 AM all 35.90 0.00 1.51 0.08 0.08 62.43 08:07:01 AM 0 50.14 0.00 1.35 0.08 0.08 48.34 08:07:01 AM 1 27.39 0.00 1.20 0.02 0.08 71.31 08:07:01 AM 2 41.99 0.00 1.94 0.08 0.08 55.91 08:07:01 AM 3 24.07 0.00 1.55 0.13 0.07 74.17 08:08:01 AM all 29.98 0.00 3.03 1.63 0.09 65.26 08:08:01 AM 0 26.34 0.00 3.29 0.69 0.08 69.60 08:08:01 AM 1 28.75 0.00 3.04 1.87 0.08 66.25 08:08:01 AM 2 38.54 0.00 3.21 1.85 0.10 56.30 08:08:01 AM 3 26.30 0.00 2.59 2.12 0.08 68.91 08:09:01 AM all 40.47 0.00 1.14 0.17 0.08 58.15 08:09:01 AM 0 40.28 0.00 0.65 0.10 0.07 58.91 08:09:01 AM 1 41.81 0.00 1.58 0.43 0.08 56.09 08:09:01 AM 2 43.26 0.00 1.37 0.00 0.07 55.30 08:09:01 AM 3 36.50 0.00 0.97 0.13 0.08 62.31 08:10:01 AM all 60.25 0.00 1.77 0.56 0.09 37.34 08:10:01 AM 0 67.14 0.00 0.75 0.15 0.10 31.85 08:10:01 AM 1 72.42 0.00 2.59 0.03 0.08 24.88 08:10:01 AM 2 73.66 0.00 1.24 0.95 0.08 24.07 08:10:01 AM 3 27.71 0.00 2.51 1.09 0.08 68.61 Average: all 39.32 0.00 1.87 0.94 0.09 57.79 Average: 0 41.30 0.00 1.63 0.72 0.09 56.27 Average: 1 40.75 0.00 1.84 0.77 0.08 56.57 Average: 2 44.54 0.00 2.17 1.18 0.09 52.03 Average: 3 30.67 0.00 1.87 1.09 0.08 66.29