---> uname -a: Linux prd-centos8-docker-4c-4g-7530.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: 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 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 789 12179 20 2791 14631 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:27:90:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.173/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86052sec preferred_lft 86052sec inet6 fe80::f816:3eff:fe27:90b5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:cc:c0:ce:f2 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) 10/06/2026 _x86_64_ (4 CPU) 17:51:12 LINUX RESTART (4 CPU) 05:52:01 PM tps rtps wtps bread/s bwrtn/s 05:53:01 PM 229.32 20.24 209.08 4125.80 15538.71 05:54:01 PM 105.28 1.70 103.58 102.65 8405.13 05:55:01 PM 25.27 0.00 25.27 0.00 6586.60 05:56:01 PM 2.93 1.83 1.10 53.59 131.08 05:57:01 PM 22.63 1.55 21.08 142.24 1293.53 Average: 77.10 5.07 72.03 885.04 6391.63 05:52:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:53:01 PM 12185040 14415460 3954276 24.50 2688 2434252 1677244 9.76 207996 3328832 182132 05:54:01 PM 10729784 13196068 5409532 33.52 2688 2666012 2776120 16.15 262464 4711496 187876 05:55:01 PM 9590396 12062820 6548920 40.58 2688 2671976 3711100 21.59 263828 5845596 2204 05:56:01 PM 9455420 11935544 6683896 41.41 2688 2679416 3839044 22.34 266800 5976152 4884 05:57:01 PM 12445116 14953812 3694200 22.89 2688 2706128 1190964 6.93 474844 2784116 25240 Average: 10881151 13312741 5258165 32.58 2688 2631557 2638894 15.35 295186 4529238 80467 05:52:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:53:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:53:01 PM eth0 263.30 216.39 3137.86 41.04 0.00 0.00 0.00 0.00 05:53:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 PM eth0 247.81 189.80 3421.84 40.46 0.00 0.00 0.00 0.00 05:54:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:01 PM eth0 159.06 102.25 75.79 78.38 0.00 0.00 0.00 0.00 05:55:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 PM eth0 80.17 60.21 25.28 30.86 0.00 0.00 0.00 0.00 05:56:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:57:01 PM lo 6.48 6.48 0.79 0.79 0.00 0.00 0.00 0.00 05:57:01 PM eth0 31.59 25.10 54.49 20.88 0.00 0.00 0.00 0.00 05:57:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.30 1.30 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 156.39 118.75 1343.13 42.32 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) 10/06/2026 _x86_64_ (4 CPU) 17:51:12 LINUX RESTART (4 CPU) 05:52:01 PM CPU %user %nice %system %iowait %steal %idle 05:53:01 PM all 32.73 0.00 2.62 1.57 0.01 63.07 05:53:01 PM 0 24.28 0.00 2.10 1.71 0.02 71.89 05:53:01 PM 1 40.00 0.00 3.63 1.30 0.02 55.05 05:53:01 PM 2 41.89 0.00 3.18 1.51 0.00 53.42 05:53:01 PM 3 24.80 0.00 1.57 1.74 0.00 71.88 05:54:01 PM all 65.03 0.00 1.80 0.47 0.01 32.69 05:54:01 PM 0 63.54 0.00 1.85 0.64 0.02 33.96 05:54:01 PM 1 69.06 0.00 2.17 0.52 0.00 28.25 05:54:01 PM 2 56.96 0.00 1.91 0.52 0.02 40.60 05:54:01 PM 3 70.56 0.00 1.27 0.20 0.02 27.95 05:55:01 PM all 38.80 0.00 1.45 0.15 0.01 59.59 05:55:01 PM 0 42.15 0.00 1.00 0.00 0.00 56.84 05:55:01 PM 1 45.36 0.00 1.77 0.00 0.02 52.85 05:55:01 PM 2 24.75 0.00 1.87 0.58 0.02 72.78 05:55:01 PM 3 42.93 0.00 1.17 0.02 0.02 55.87 05:56:01 PM all 25.32 0.00 1.25 0.03 0.02 73.39 05:56:01 PM 0 17.77 0.00 1.40 0.00 0.02 80.81 05:56:01 PM 1 38.12 0.00 1.42 0.08 0.03 60.34 05:56:01 PM 2 25.91 0.00 0.80 0.00 0.02 73.27 05:56:01 PM 3 19.48 0.00 1.37 0.02 0.02 79.12 05:57:01 PM all 43.57 0.00 1.95 0.07 0.02 54.39 05:57:01 PM 0 43.10 0.00 2.16 0.15 0.02 54.58 05:57:01 PM 1 49.62 0.00 1.82 0.05 0.03 48.48 05:57:01 PM 2 48.65 0.00 2.14 0.05 0.02 49.15 05:57:01 PM 3 32.89 0.00 1.69 0.03 0.02 65.37 Average: all 41.09 0.00 1.81 0.46 0.02 56.63 Average: 0 38.15 0.00 1.70 0.50 0.01 59.63 Average: 1 48.44 0.00 2.16 0.39 0.02 48.99 Average: 2 39.62 0.00 1.98 0.53 0.01 57.86 Average: 3 38.14 0.00 1.41 0.40 0.01 60.03