---> uname -a: Linux prd-centos8-docker-4c-4g-982.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): 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 765 12099 20 2896 14657 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:c3:5d:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.155/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86150sec preferred_lft 86150sec inet6 fe80::f816:3eff:fec3:5de9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c1:2e:07:3e 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) 09/13/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 167.31 15.10 152.21 3145.61 10930.96 01:25:01 PM 204.68 6.26 198.42 1080.31 17000.52 01:26:01 PM 30.44 1.47 28.98 88.25 875.50 Average: 134.15 7.61 126.54 1438.04 9602.74 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12932796 15020340 3206520 19.87 2688 2295300 1414588 8.23 183192 2625024 215968 01:25:01 PM 11282124 13649576 4857192 30.10 2688 2568952 2836032 16.50 255180 4172176 9364 01:26:01 PM 12388604 15005844 3750712 23.24 2688 2817168 1170332 6.81 352108 2970612 262128 Average: 12201175 14558587 3938141 24.40 2688 2560473 1806984 10.51 263493 3255937 162487 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 167.57 121.66 1981.65 25.60 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 12.26 12.26 3.47 3.47 0.00 0.00 0.00 0.00 01:25:01 PM eth0 356.83 247.62 3817.56 60.04 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 16.43 16.43 2.58 2.58 0.00 0.00 0.00 0.00 01:26:01 PM eth0 94.67 81.04 293.00 416.56 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.56 9.56 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 206.37 150.11 2030.84 167.39 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) 09/13/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 23.61 0.00 2.36 0.85 0.02 73.16 01:24:01 PM 0 24.04 0.00 2.41 0.85 0.00 72.70 01:24:01 PM 1 20.46 0.00 2.87 0.95 0.03 75.68 01:24:01 PM 2 23.98 0.00 2.14 1.14 0.02 72.73 01:24:01 PM 3 25.97 0.00 2.03 0.47 0.02 71.52 01:25:01 PM all 49.90 0.00 2.31 1.01 0.05 46.74 01:25:01 PM 0 55.67 0.00 1.95 0.82 0.07 41.49 01:25:01 PM 1 45.92 0.00 3.14 1.07 0.02 49.85 01:25:01 PM 2 41.53 0.00 2.26 1.20 0.02 54.99 01:25:01 PM 3 56.45 0.00 1.87 0.95 0.10 40.63 01:26:01 PM all 14.74 0.00 1.37 0.13 0.02 83.75 01:26:01 PM 0 9.90 0.00 0.92 0.03 0.02 89.13 01:26:01 PM 1 12.98 0.00 0.97 0.10 0.02 85.93 01:26:01 PM 2 10.12 0.00 1.34 0.12 0.02 88.41 01:26:01 PM 3 25.92 0.00 2.24 0.28 0.02 71.54 Average: all 29.41 0.00 2.01 0.67 0.03 67.89 Average: 0 29.87 0.00 1.76 0.57 0.03 67.77 Average: 1 26.45 0.00 2.33 0.71 0.02 70.49 Average: 2 25.20 0.00 1.91 0.82 0.02 72.05 Average: 3 36.11 0.00 2.05 0.57 0.04 61.23