---> uname -a: Linux prd-centos8-docker-8c-8g-106.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1046 27216 19 3627 30383 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:61:4d:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.243/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86134sec preferred_lft 86134sec inet6 fe80::f816:3eff:fe61:4d86/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:06:78:56:92 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::42:6ff:fe78:5692/64 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) 02/26/2026 _x86_64_ (8 CPU) 17:11:26 LINUX RESTART (8 CPU) 05:12:02 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 182.31 14.86 167.45 3154.86 10524.25 05:14:01 PM 463.70 5.60 458.10 1232.79 14200.82 05:15:01 PM 258.15 2.40 255.75 446.52 44283.04 Average: 302.05 7.58 294.47 1602.77 23072.39 05:12:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29055884 30933560 3599820 11.02 2688 2195600 1806776 5.36 155544 2982664 153608 05:14:01 PM 27935288 30256880 4720416 14.46 2688 2629740 2176408 6.46 269708 3945536 250356 05:15:01 PM 27603268 30838148 5052436 15.47 2688 3532464 2617204 7.77 635688 3871068 141936 Average: 28198147 30676196 4457557 13.65 2688 2785935 2200129 6.53 353647 3599756 181967 05:12:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 159.88 137.02 1703.70 41.89 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 497.65 435.72 6263.42 58.45 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 538.87 467.81 6226.76 1276.12 0.00 0.00 0.00 0.00 05:15:01 PM docker0 6.81 16.96 0.51 256.89 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 400.13 348.02 4748.20 461.15 0.00 0.00 0.00 0.00 Average: docker0 2.28 5.69 0.17 86.11 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) 02/26/2026 _x86_64_ (8 CPU) 17:11:26 LINUX RESTART (8 CPU) 05:12:02 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 11.79 0.00 1.10 1.31 0.05 85.74 05:13:01 PM 0 8.95 0.00 1.07 0.46 0.05 89.47 05:13:01 PM 1 18.58 0.00 2.04 3.03 0.05 76.30 05:13:01 PM 2 13.54 0.00 0.97 1.55 0.07 83.88 05:13:01 PM 3 9.06 0.00 0.82 0.34 0.05 89.74 05:13:01 PM 4 17.45 0.00 1.15 0.47 0.03 80.89 05:13:01 PM 5 20.25 0.00 1.97 3.09 0.07 74.62 05:13:01 PM 6 1.58 0.00 0.46 0.99 0.03 96.94 05:13:01 PM 7 4.90 0.00 0.34 0.58 0.07 94.11 05:14:01 PM all 26.68 0.00 1.72 1.88 0.09 69.62 05:14:01 PM 0 30.41 0.00 1.30 0.62 0.10 67.57 05:14:01 PM 1 32.23 0.00 1.61 2.08 0.12 63.97 05:14:01 PM 2 36.61 0.00 1.98 1.31 0.10 60.01 05:14:01 PM 3 20.07 0.00 1.29 1.88 0.07 76.70 05:14:01 PM 4 24.25 0.00 1.34 0.80 0.08 73.52 05:14:01 PM 5 22.87 0.00 1.07 0.77 0.10 75.18 05:14:01 PM 6 23.07 0.00 2.92 4.26 0.10 69.65 05:14:01 PM 7 23.94 0.00 2.28 3.35 0.08 70.35 05:15:01 PM all 20.36 0.00 2.72 2.18 0.08 74.66 05:15:01 PM 0 12.82 0.00 3.03 2.76 0.08 81.31 05:15:01 PM 1 19.26 0.00 2.30 3.92 0.08 74.44 05:15:01 PM 2 23.55 0.00 3.28 2.58 0.08 70.51 05:15:01 PM 3 23.85 0.00 3.17 3.00 0.08 69.90 05:15:01 PM 4 25.91 0.00 2.57 2.02 0.08 69.42 05:15:01 PM 5 21.28 0.00 2.25 0.64 0.08 75.75 05:15:01 PM 6 18.31 0.00 2.71 0.64 0.08 78.26 05:15:01 PM 7 17.90 0.00 2.45 1.87 0.07 77.71 Average: all 19.65 0.00 1.85 1.79 0.08 76.63 Average: 0 17.45 0.00 1.80 1.28 0.08 79.39 Average: 1 23.38 0.00 1.98 3.00 0.08 71.54 Average: 2 24.62 0.00 2.08 1.81 0.08 71.41 Average: 3 17.68 0.00 1.76 1.74 0.07 78.74 Average: 4 22.55 0.00 1.69 1.10 0.07 74.59 Average: 5 21.47 0.00 1.76 1.49 0.08 75.19 Average: 6 14.37 0.00 2.03 1.97 0.07 81.56 Average: 7 15.64 0.00 1.70 1.94 0.07 80.66