---> uname -a: Linux prd-centos8-docker-4c-4g-3220.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 788 12178 20 2793 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:43:fe:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.32/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85940sec preferred_lft 85940sec inet6 fe80::f816:3eff:fe43:feb0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5f:73:5a:d5 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) 10/19/2026 _x86_64_ (4 CPU) 10:48:39 LINUX RESTART (4 CPU) 10:50:01 AM tps rtps wtps bread/s bwrtn/s 10:51:01 AM 54.47 0.20 54.27 29.99 4160.25 10:52:01 AM 196.45 20.30 176.15 4127.71 14349.71 10:53:01 AM 99.10 1.65 97.45 101.55 6041.70 10:54:01 AM 22.10 0.00 22.10 0.00 6541.44 10:55:01 AM 3.56 2.13 1.43 147.37 231.31 10:56:01 AM 13.06 1.35 11.71 126.76 785.07 Average: 64.78 4.27 60.51 755.44 5351.03 10:50:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:51:01 AM 13293748 15102124 2845568 17.63 2688 2024204 1113244 6.48 146356 2341056 173812 10:52:01 AM 12083328 14311964 4055988 25.13 2688 2432432 1890616 11.00 208852 3433400 112192 10:53:01 AM 10399984 12864220 5739332 35.56 2688 2664028 3258120 18.96 261912 5043752 185268 10:54:01 AM 8938592 11408988 7200724 44.62 2688 2669972 4681156 27.24 263856 6499736 2392 10:55:01 AM 8918756 11400064 7220560 44.74 2688 2680152 4479460 26.06 267164 6514004 2132 10:56:01 AM 12541212 15050620 3598104 22.29 2688 2706488 1084980 6.31 461752 2702832 27884 Average: 11029270 13356330 5110046 31.66 2688 2529546 2751263 16.01 268315 4422463 83947 10:50:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:51:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:51:01 AM eth0 62.90 42.54 872.39 6.46 0.00 0.00 0.00 0.00 10:51:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:52:01 AM eth0 208.23 178.09 2324.57 34.57 0.00 0.00 0.00 0.00 10:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:53:01 AM eth0 255.21 200.22 3419.42 39.09 0.00 0.00 0.00 0.00 10:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:54:01 AM eth0 143.23 95.98 55.47 64.34 0.00 0.00 0.00 0.00 10:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:55:01 AM eth0 222.09 155.13 96.12 86.84 0.00 0.00 0.00 0.00 10:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:56:01 AM lo 7.25 7.25 0.86 0.86 0.00 0.00 0.00 0.00 10:56:01 AM eth0 23.83 20.03 48.29 19.48 0.00 0.00 0.00 0.00 10:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.21 1.21 0.14 0.14 0.00 0.00 0.00 0.00 Average: eth0 152.58 115.33 1136.05 41.80 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) 10/19/2026 _x86_64_ (4 CPU) 10:48:39 LINUX RESTART (4 CPU) 10:50:01 AM CPU %user %nice %system %iowait %steal %idle 10:51:01 AM all 9.12 0.00 0.89 0.30 0.01 89.68 10:51:01 AM 0 5.33 0.00 0.60 0.15 0.00 93.92 10:51:01 AM 1 12.69 0.00 1.05 0.50 0.02 85.75 10:51:01 AM 2 4.54 0.00 0.58 0.22 0.00 94.65 10:51:01 AM 3 13.93 0.00 1.33 0.32 0.02 84.40 10:52:01 AM all 30.76 0.00 2.18 1.37 0.03 65.66 10:52:01 AM 0 30.91 0.00 2.32 1.25 0.02 65.50 10:52:01 AM 1 35.84 0.00 1.94 1.22 0.03 60.97 10:52:01 AM 2 33.82 0.00 3.13 2.23 0.07 60.75 10:52:01 AM 3 22.47 0.00 1.32 0.79 0.00 75.43 10:53:01 AM all 65.76 0.00 2.00 0.53 0.07 31.63 10:53:01 AM 0 56.86 0.00 2.47 1.09 0.07 39.51 10:53:01 AM 1 65.44 0.00 1.72 0.30 0.07 32.47 10:53:01 AM 2 71.10 0.00 1.02 0.15 0.07 27.66 10:53:01 AM 3 69.64 0.00 2.81 0.57 0.08 26.90 10:54:01 AM all 35.77 0.00 1.40 1.37 0.01 61.44 10:54:01 AM 0 26.92 0.00 1.67 5.08 0.02 66.32 10:54:01 AM 1 37.35 0.00 1.85 0.00 0.00 60.79 10:54:01 AM 2 42.74 0.00 0.60 0.00 0.02 56.64 10:54:01 AM 3 36.07 0.00 1.49 0.42 0.02 62.01 10:55:01 AM all 25.69 0.00 1.32 0.14 0.03 72.83 10:55:01 AM 0 25.52 0.00 0.55 0.00 0.02 73.91 10:55:01 AM 1 15.17 0.00 1.60 0.20 0.02 83.00 10:55:01 AM 2 40.66 0.00 1.89 0.35 0.05 57.05 10:55:01 AM 3 21.39 0.00 1.22 0.02 0.02 77.35 10:56:01 AM all 37.09 0.00 1.35 2.95 0.04 58.57 10:56:01 AM 0 32.99 0.00 1.55 3.91 0.02 61.53 10:56:01 AM 1 34.66 0.00 1.22 3.57 0.05 60.50 10:56:01 AM 2 37.18 0.00 1.19 0.55 0.05 61.04 10:56:01 AM 3 43.53 0.00 1.45 3.77 0.05 51.19 Average: all 34.03 0.00 1.52 1.11 0.03 63.31 Average: 0 29.74 0.00 1.53 1.91 0.02 66.80 Average: 1 33.52 0.00 1.56 0.97 0.03 63.92 Average: 2 38.35 0.00 1.40 0.58 0.04 59.63 Average: 3 34.50 0.00 1.60 0.98 0.03 62.89