---> uname -a: Linux prd-centos8-docker-8c-8g-8838.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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: 2799.996 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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31888 1603 27643 19 2641 29834 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:6b:67:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.37/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86153sec preferred_lft 86153sec inet6 fe80::f816:3eff:fe6b:67c7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c9:7d:26:a2 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 ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/06/2026 _x86_64_ (8 CPU) 14:02:04 LINUX RESTART (8 CPU) 02:03:01 PM tps rtps wtps bread/s bwrtn/s 02:04:01 PM 201.22 2.88 198.33 855.58 16220.03 02:05:01 PM 94.70 1.60 93.10 388.67 9365.91 02:06:01 PM 39.48 2.28 37.19 123.45 2716.18 Average: 111.80 2.25 109.55 455.92 9434.41 02:03:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:04:01 PM 27505204 29560732 5148168 15.77 2688 2368292 3396736 10.08 203276 4459292 149056 02:05:01 PM 27234428 29451020 5418944 16.60 2688 2524212 2970216 8.81 231144 4682144 38264 02:06:01 PM 28310724 30553440 4342648 13.30 2688 2549148 1980040 5.88 465908 3373868 25508 Average: 27683452 29855064 4969920 15.22 2688 2480551 2782331 8.26 300109 4171768 70943 02:03:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:04:01 PM lo 1.08 1.08 0.12 0.12 0.00 0.00 0.00 0.00 02:04:01 PM eth0 277.44 216.24 3155.81 51.82 0.00 0.00 0.00 0.00 02:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM eth0 283.64 217.33 1576.30 52.71 0.00 0.00 0.00 0.00 02:05:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:06:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:06:01 PM eth0 242.53 157.11 389.19 137.09 0.00 0.00 0.00 0.00 02:06:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.36 0.36 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 267.87 196.90 1707.17 80.54 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 06/06/2026 _x86_64_ (8 CPU) 14:02:04 LINUX RESTART (8 CPU) 02:03:01 PM CPU %user %nice %system %iowait %steal %idle 02:04:01 PM all 30.26 0.00 1.38 0.64 0.08 67.64 02:04:01 PM 0 27.95 0.00 1.34 0.58 0.08 70.04 02:04:01 PM 1 46.11 0.00 1.32 0.92 0.08 51.57 02:04:01 PM 2 44.05 0.00 1.94 0.28 0.10 53.63 02:04:01 PM 3 28.66 0.00 1.61 0.94 0.08 68.72 02:04:01 PM 4 19.51 0.00 1.37 1.29 0.07 77.76 02:04:01 PM 5 23.48 0.00 0.97 0.13 0.07 75.35 02:04:01 PM 6 29.14 0.00 1.67 0.74 0.10 68.36 02:04:01 PM 7 23.18 0.00 0.85 0.23 0.07 75.67 02:05:01 PM all 40.47 0.00 1.73 0.28 0.10 57.42 02:05:01 PM 0 31.18 0.00 1.14 0.03 0.08 67.57 02:05:01 PM 1 48.74 0.00 2.17 0.69 0.10 48.30 02:05:01 PM 2 37.25 0.00 1.86 0.17 0.10 60.63 02:05:01 PM 3 47.25 0.00 1.82 0.28 0.10 50.54 02:05:01 PM 4 40.18 0.00 2.19 0.28 0.10 57.24 02:05:01 PM 5 34.35 0.00 1.42 0.07 0.08 64.08 02:05:01 PM 6 44.23 0.00 1.65 0.50 0.10 53.51 02:05:01 PM 7 40.58 0.00 1.57 0.22 0.10 57.53 02:06:01 PM all 14.11 0.00 1.07 0.09 0.04 84.68 02:06:01 PM 0 1.87 0.00 0.50 0.00 0.05 97.58 02:06:01 PM 1 14.70 0.00 0.68 0.20 0.03 84.39 02:06:01 PM 2 26.23 0.00 0.77 0.05 0.05 72.91 02:06:01 PM 3 5.10 0.00 1.22 0.02 0.05 93.61 02:06:01 PM 4 16.65 0.00 2.07 0.03 0.05 81.19 02:06:01 PM 5 15.32 0.00 1.37 0.38 0.05 82.88 02:06:01 PM 6 18.95 0.00 1.32 0.07 0.03 79.64 02:06:01 PM 7 14.04 0.00 0.62 0.00 0.03 85.30 Average: all 28.28 0.00 1.39 0.34 0.07 69.91 Average: 0 20.33 0.00 0.99 0.21 0.07 78.40 Average: 1 36.51 0.00 1.39 0.60 0.07 61.42 Average: 2 35.84 0.00 1.52 0.17 0.08 62.39 Average: 3 27.03 0.00 1.55 0.41 0.08 70.93 Average: 4 25.45 0.00 1.88 0.54 0.07 72.06 Average: 5 24.38 0.00 1.25 0.19 0.07 74.10 Average: 6 30.77 0.00 1.55 0.43 0.08 67.17 Average: 7 25.93 0.00 1.01 0.15 0.07 72.84