---> uname -a: Linux prd-centos8-docker-4c-4g-4863.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: 2799.998 BogoMIPS: 5599.99 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 868 11078 19 3816 14545 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:25:89:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.225/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85935sec preferred_lft 85935sec inet6 fe80::f816:3eff:fe25:89a1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7b:c7:4f:19 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::42:7bff:fec7:4f19/64 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) 02/02/2026 _x86_64_ (4 CPU) 08:49:04 LINUX RESTART (4 CPU) 08:50:01 AM tps rtps wtps bread/s bwrtn/s 08:51:01 AM 271.31 19.73 251.58 3853.48 13195.30 08:52:01 AM 113.99 1.83 112.16 115.94 6813.49 08:53:01 AM 22.73 0.00 22.73 0.00 6296.78 08:54:01 AM 18.46 3.25 15.21 578.47 1003.68 08:55:01 AM 77.76 0.15 77.61 3.73 17850.77 08:56:01 AM 204.82 5.68 199.13 5546.95 24502.55 Average: 118.20 5.11 113.09 1683.39 11610.77 08:50:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:51:01 AM 12290060 14400560 3851472 23.86 2688 2313356 1760460 10.24 224776 3210632 118600 08:52:01 AM 10804632 13151264 5336900 33.06 2688 2545300 2766332 16.09 281332 4621528 179016 08:53:01 AM 10575696 12926244 5565836 34.48 2688 2549136 2898160 16.86 281416 4848720 1020 08:54:01 AM 9315040 11717632 6826492 42.29 2688 2599328 4379228 25.48 349976 6025952 52 08:55:01 AM 8842328 11633320 7299204 45.22 2688 2978720 4470856 26.01 421908 6390820 104 08:56:01 AM 11404472 14949364 4737060 29.35 2688 3709908 1278056 7.43 786440 3434492 72 Average: 10538705 13129731 5602827 34.71 2688 2782625 2925515 17.02 390975 4755357 49811 08:50:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:51:01 AM eth0 310.72 257.56 2407.79 56.38 0.00 0.00 0.00 0.00 08:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:52:01 AM eth0 267.18 197.45 3440.85 38.57 0.00 0.00 0.00 0.00 08:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:53:01 AM eth0 287.65 186.03 92.19 95.50 0.00 0.00 0.00 0.00 08:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:54:01 AM lo 3.25 3.25 0.45 0.45 0.00 0.00 0.00 0.00 08:54:01 AM eth0 71.64 50.57 212.30 23.90 0.00 0.00 0.00 0.00 08:54:01 AM docker0 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 08:54:01 AM vethaf87c6b 0.00 0.07 0.00 0.01 0.00 0.00 0.00 0.00 08:55:01 AM lo 13.13 13.13 26.77 26.77 0.00 0.00 0.00 0.00 08:55:01 AM eth0 244.72 119.73 2642.07 9.22 0.00 0.00 0.00 0.00 08:55:01 AM docker0 0.18 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:55:01 AM vethaf87c6b 0.18 0.37 0.01 0.03 0.00 0.00 0.00 0.00 08:55:01 AM br-96067a3e3237 5.70 5.60 25.61 0.93 0.00 0.00 0.00 0.00 08:56:01 AM lo 0.60 0.60 0.03 0.03 0.00 0.00 0.00 0.00 08:56:01 AM eth0 201.13 123.29 2382.23 21.70 0.00 0.00 0.00 0.00 08:56:01 AM docker0 27.01 33.27 1.77 609.01 0.00 0.00 0.00 0.00 08:56:01 AM vethdf1076c 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:56:01 AM veth0a8b240 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.83 2.83 4.54 4.54 0.00 0.00 0.00 0.00 Average: eth0 230.52 155.78 1863.11 40.88 0.00 0.00 0.00 0.00 Average: docker0 4.53 5.59 0.30 101.50 0.00 0.00 0.00 0.00 Average: vethdf1076c 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth0a8b240 0.00 0.00 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) 02/02/2026 _x86_64_ (4 CPU) 08:49:04 LINUX RESTART (4 CPU) 08:50:01 AM CPU %user %nice %system %iowait %steal %idle 08:51:01 AM all 41.65 0.00 2.94 1.37 0.08 53.96 08:51:01 AM 0 34.42 0.00 3.05 1.27 0.10 61.16 08:51:01 AM 1 37.72 0.00 3.40 1.99 0.08 56.81 08:51:01 AM 2 49.77 0.00 2.99 1.05 0.08 46.10 08:51:01 AM 3 44.71 0.00 2.32 1.17 0.07 51.74 08:52:01 AM all 62.37 0.00 1.87 0.51 0.10 35.15 08:52:01 AM 0 61.16 0.00 1.90 0.84 0.10 36.01 08:52:01 AM 1 57.00 0.00 1.84 0.53 0.10 40.53 08:52:01 AM 2 63.29 0.00 1.72 0.32 0.10 34.58 08:52:01 AM 3 68.03 0.00 2.02 0.37 0.10 29.48 08:53:01 AM all 19.34 0.00 1.27 0.15 0.06 79.17 08:53:01 AM 0 22.12 0.00 0.92 0.00 0.07 76.89 08:53:01 AM 1 18.58 0.00 1.47 0.12 0.07 79.76 08:53:01 AM 2 16.71 0.00 1.37 0.48 0.07 81.36 08:53:01 AM 3 19.94 0.00 1.34 0.00 0.05 78.68 08:54:01 AM all 40.46 0.00 1.27 0.08 0.08 58.11 08:54:01 AM 0 70.98 0.00 1.64 0.08 0.08 27.22 08:54:01 AM 1 28.49 0.00 1.16 0.10 0.07 70.19 08:54:01 AM 2 26.67 0.00 1.32 0.08 0.08 71.85 08:54:01 AM 3 35.68 0.00 0.99 0.03 0.08 63.22 08:55:01 AM all 15.88 0.00 2.97 0.57 0.10 80.48 08:55:01 AM 0 17.84 0.00 4.29 0.84 0.10 76.93 08:55:01 AM 1 15.95 0.00 2.36 0.50 0.10 81.08 08:55:01 AM 2 15.05 0.00 2.77 0.76 0.08 81.33 08:55:01 AM 3 14.67 0.00 2.45 0.20 0.12 82.56 08:56:01 AM all 40.09 0.00 4.59 1.10 0.08 54.13 08:56:01 AM 0 35.96 0.00 3.85 0.64 0.10 59.45 08:56:01 AM 1 43.40 0.00 5.00 1.07 0.07 50.46 08:56:01 AM 2 35.40 0.00 5.31 1.89 0.08 57.32 08:56:01 AM 3 45.63 0.00 4.21 0.80 0.07 49.29 Average: all 36.65 0.00 2.49 0.63 0.08 60.15 Average: 0 40.43 0.00 2.61 0.61 0.09 56.26 Average: 1 33.53 0.00 2.54 0.72 0.08 63.13 Average: 2 34.50 0.00 2.58 0.76 0.08 62.08 Average: 3 38.13 0.00 2.22 0.43 0.08 59.15