---> uname -a: Linux prd-centos8-docker-4c-4g-18526.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1028 10813 20 3919 14382 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:59:ef:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.207/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86032sec preferred_lft 86032sec inet6 fe80::f816:3eff:fe59:ef25/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:37:a3:cd:08 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::42:37ff:fea3:cd08/64 scope link 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) 09/07/2026 _x86_64_ (4 CPU) 12:26:46 LINUX RESTART (4 CPU) 12:27:02 PM tps rtps wtps bread/s bwrtn/s 12:28:01 PM 237.11 28.75 208.35 7232.12 41726.48 12:29:01 PM 142.04 4.83 137.20 444.79 14037.67 12:30:00 PM 157.87 1.73 156.14 739.18 19936.17 12:30:01 PM 102.40 12.80 89.60 198.40 809.60 12:31:01 PM 944.91 1.60 943.31 78.25 32399.20 12:32:01 PM 332.09 94.70 237.39 1694.50 7938.62 Average: 362.95 26.36 336.59 2018.08 23065.15 12:27:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:28:01 PM 13336996 15118944 2802320 17.36 2688 1998048 1074008 6.25 139264 2306132 172620 12:29:01 PM 12610680 14646696 3528636 21.86 2688 2242568 1582832 9.21 159048 2964704 39244 12:30:00 PM 11073136 13644888 5066180 31.39 2688 2764748 2859136 16.63 207976 4392984 12 12:30:01 PM 9865120 12437504 6274196 38.88 2688 2764932 4341616 25.26 264368 5538132 80 12:31:01 PM 10205580 13721328 5933736 36.77 2688 3521916 1875836 10.91 352920 4699292 141168 12:32:01 PM 8958756 12547760 7180560 44.49 2688 3579512 1982960 11.54 403080 5849436 8 Average: 11008378 13686187 5130938 31.79 2688 2811954 2286065 13.30 254443 4291780 58855 12:27:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:28:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:28:01 PM eth0 294.24 208.86 1828.50 71.33 0.00 0.00 0.00 0.00 12:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM eth0 208.25 156.50 1405.09 25.18 0.00 0.00 0.00 0.00 12:29:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:00 PM lo 0.19 0.19 0.01 0.01 0.00 0.00 0.00 0.00 12:30:00 PM eth0 349.61 263.38 4790.85 30.11 0.00 0.00 0.00 0.00 12:30:00 PM docker0 0.12 0.22 0.01 0.02 0.00 0.00 0.00 0.00 12:30:00 PM vethfd65d54 0.12 0.36 0.01 0.03 0.00 0.00 0.00 0.00 12:30:01 PM lo 5.60 5.60 0.30 0.30 0.00 0.00 0.00 0.00 12:30:01 PM eth0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM docker0 1.60 1.60 0.05 0.09 0.00 0.00 0.00 0.00 12:30:01 PM vethfd65d54 0.00 0.80 0.00 0.03 0.00 0.00 0.00 0.00 12:30:01 PM veth2590919 1.60 4.00 0.07 0.30 0.00 0.00 0.00 0.00 12:31:01 PM lo 6.02 6.02 4.55 4.55 0.00 0.00 0.00 0.00 12:31:01 PM eth0 207.20 161.24 1816.46 32.81 0.00 0.00 0.00 0.00 12:31:01 PM docker0 3.17 2.92 4.08 0.43 0.00 0.00 0.00 0.00 12:32:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:32:01 PM eth0 3.87 3.22 58.65 0.81 0.00 0.00 0.00 0.00 12:32:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.27 1.27 0.92 0.92 0.00 0.00 0.00 0.00 Average: eth0 210.91 157.38 1960.68 31.79 0.00 0.00 0.00 0.00 Average: docker0 0.67 0.64 0.82 0.09 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) 09/07/2026 _x86_64_ (4 CPU) 12:26:46 LINUX RESTART (4 CPU) 12:27:02 PM CPU %user %nice %system %iowait %steal %idle 12:28:01 PM all 24.41 0.00 3.29 3.12 0.04 69.14 12:28:01 PM 0 16.92 0.00 3.04 3.70 0.05 76.30 12:28:01 PM 1 36.55 0.00 5.06 3.17 0.03 55.19 12:28:01 PM 2 17.75 0.00 2.51 3.28 0.05 76.41 12:28:01 PM 3 26.38 0.00 2.56 2.34 0.03 68.69 12:29:01 PM all 16.33 0.00 1.63 0.79 0.02 81.22 12:29:01 PM 0 13.26 0.00 1.27 0.87 0.00 84.60 12:29:01 PM 1 24.35 0.00 2.56 1.17 0.03 71.88 12:29:01 PM 2 10.54 0.00 0.97 0.67 0.02 87.81 12:29:01 PM 3 17.18 0.00 1.72 0.47 0.02 80.61 12:30:00 PM all 24.50 0.00 2.51 0.96 0.03 72.01 12:30:00 PM 0 25.37 0.00 2.71 1.47 0.02 70.43 12:30:00 PM 1 23.87 0.00 2.56 1.01 0.03 72.53 12:30:00 PM 2 23.28 0.00 2.83 0.77 0.03 73.09 12:30:00 PM 3 25.48 0.00 1.95 0.56 0.03 71.97 12:30:01 PM all 34.48 0.00 14.00 0.61 0.00 50.91 12:30:01 PM 0 29.27 0.00 14.63 0.00 0.00 56.10 12:30:01 PM 1 44.35 0.00 21.77 0.00 0.00 33.87 12:30:01 PM 2 26.61 0.00 12.10 1.61 0.00 59.68 12:30:01 PM 3 37.70 0.00 7.38 0.82 0.00 54.10 12:31:01 PM all 36.34 0.10 10.58 5.76 0.03 47.18 12:31:01 PM 0 36.58 0.17 10.41 5.25 0.02 47.58 12:31:01 PM 1 28.89 0.15 10.19 6.47 0.03 54.26 12:31:01 PM 2 47.03 0.05 12.71 6.41 0.03 33.76 12:31:01 PM 3 32.83 0.03 8.99 4.93 0.03 53.18 12:32:01 PM all 31.66 0.00 1.92 2.35 0.03 64.03 12:32:01 PM 0 19.11 0.00 1.35 1.51 0.02 78.01 12:32:01 PM 1 66.17 0.00 2.81 3.35 0.05 27.62 12:32:01 PM 2 22.65 0.00 1.94 2.63 0.02 72.76 12:32:01 PM 3 18.75 0.00 1.57 1.93 0.03 77.72 Average: all 26.67 0.02 4.02 2.59 0.03 66.67 Average: 0 22.24 0.03 3.79 2.54 0.02 71.38 Average: 1 36.07 0.03 4.70 3.02 0.04 56.14 Average: 2 24.24 0.01 4.22 2.75 0.03 68.75 Average: 3 24.14 0.01 3.37 2.04 0.03 70.42