---> uname -a: Linux prd-centos8-docker-4c-4g-6887.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: 2800.012 BogoMIPS: 5600.02 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 1037 10852 20 3871 14373 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:fe:75:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.75/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 85871sec preferred_lft 85871sec inet6 fe80::f816:3eff:fefe:75fd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:07:3d:08:7a 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::42:7ff:fe3d:87a/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) 10/31/2026 _x86_64_ (4 CPU) 18:14:51 LINUX RESTART (4 CPU) 06:16:01 PM tps rtps wtps bread/s bwrtn/s 06:17:01 PM 58.10 0.33 57.76 32.52 5315.38 06:18:01 PM 150.60 4.88 145.72 445.85 12530.86 06:19:01 PM 133.33 1.27 132.06 328.61 9360.06 06:20:01 PM 10.95 0.47 10.48 399.07 962.51 06:21:01 PM 86.46 0.73 85.72 73.43 18894.57 06:22:01 PM 1148.70 59.65 1089.05 866.78 28599.92 06:23:01 PM 87.47 53.22 34.24 1147.68 2564.42 Average: 239.37 17.22 222.15 470.54 11175.82 06:16:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:17:01 PM 13385320 15127616 2753996 17.06 2688 1960056 1106100 6.44 140092 2262064 137908 06:18:01 PM 12718056 14755688 3421260 21.20 2688 2243416 1506752 8.77 159784 2857740 109460 06:19:01 PM 11628088 13813004 4511228 27.95 2688 2387200 2385692 13.88 206988 3881676 468 06:20:01 PM 11465820 13756404 4673496 28.96 2688 2488016 2783740 16.20 208388 4022184 75164 06:21:01 PM 11660964 14415232 4478352 27.75 2688 2943488 1675268 9.75 339888 3668388 12 06:22:01 PM 10428048 13940852 5711268 35.39 2688 3504020 1838372 10.70 387504 4408996 42680 06:23:01 PM 10210172 13777216 5929144 36.74 2688 3555600 1976692 11.50 406868 4599056 16980 Average: 11642353 14226573 4496963 27.86 2688 2725971 1896088 11.03 264216 3671443 54667 06:16:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:17:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:17:01 PM eth0 60.21 37.94 807.66 7.42 0.00 0.00 0.00 0.00 06:17:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:18:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:18:01 PM eth0 135.77 111.51 1476.30 21.00 0.00 0.00 0.00 0.00 06:18:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:19:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:19:01 PM eth0 159.49 136.46 2083.96 19.60 0.00 0.00 0.00 0.00 06:19:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:20:01 PM lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 06:20:01 PM eth0 35.24 20.66 560.00 2.59 0.00 0.00 0.00 0.00 06:20:01 PM docker0 0.18 0.28 0.01 0.02 0.00 0.00 0.00 0.00 06:20:01 PM vethcc3e433 0.18 0.43 0.01 0.04 0.00 0.00 0.00 0.00 06:21:01 PM lo 7.48 7.48 5.40 5.40 0.00 0.00 0.00 0.00 06:21:01 PM eth0 120.06 76.74 2290.37 10.21 0.00 0.00 0.00 0.00 06:21:01 PM docker0 3.58 3.41 4.10 0.46 0.00 0.00 0.00 0.00 06:22:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:22:01 PM eth0 137.32 105.23 1198.65 16.29 0.00 0.00 0.00 0.00 06:22:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:23:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:23:01 PM eth0 1.27 0.97 0.55 0.94 0.00 0.00 0.00 0.00 06:23:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.10 1.10 0.77 0.77 0.00 0.00 0.00 0.00 Average: eth0 92.77 69.93 1202.53 11.15 0.00 0.00 0.00 0.00 Average: docker0 0.54 0.53 0.59 0.07 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) 10/31/2026 _x86_64_ (4 CPU) 18:14:51 LINUX RESTART (4 CPU) 06:16:01 PM CPU %user %nice %system %iowait %steal %idle 06:17:01 PM all 9.03 0.00 0.95 0.31 0.01 89.70 06:17:01 PM 0 10.02 0.00 0.90 0.13 0.02 88.93 06:17:01 PM 1 7.28 0.00 0.98 0.25 0.02 91.47 06:17:01 PM 2 15.20 0.00 1.34 0.57 0.00 82.89 06:17:01 PM 3 3.63 0.00 0.57 0.28 0.00 95.52 06:18:01 PM all 16.86 0.00 1.64 0.89 0.01 80.60 06:18:01 PM 0 16.28 0.00 1.71 0.72 0.00 81.30 06:18:01 PM 1 15.44 0.00 1.02 0.53 0.02 82.99 06:18:01 PM 2 23.17 0.00 1.89 0.80 0.02 74.12 06:18:01 PM 3 12.52 0.00 1.96 1.51 0.00 84.02 06:19:01 PM all 21.14 0.00 1.10 0.66 0.01 77.09 06:19:01 PM 0 19.06 0.00 1.62 1.00 0.02 78.30 06:19:01 PM 1 23.79 0.00 1.24 0.74 0.00 74.23 06:19:01 PM 2 18.70 0.00 1.02 0.82 0.02 79.44 06:19:01 PM 3 23.01 0.00 0.52 0.08 0.02 76.37 06:20:01 PM all 1.59 0.00 0.62 0.05 0.00 97.74 06:20:01 PM 0 1.76 0.00 0.65 0.02 0.00 97.57 06:20:01 PM 1 1.66 0.00 0.52 0.07 0.00 97.76 06:20:01 PM 2 1.79 0.00 0.74 0.02 0.00 97.46 06:20:01 PM 3 1.17 0.00 0.55 0.12 0.00 98.16 06:21:01 PM all 25.53 0.10 2.36 0.61 0.01 71.39 06:21:01 PM 0 25.38 0.02 1.98 0.54 0.00 72.08 06:21:01 PM 1 26.23 0.08 1.81 0.82 0.02 71.04 06:21:01 PM 2 23.22 0.25 3.40 0.34 0.02 72.77 06:21:01 PM 3 27.28 0.05 2.23 0.75 0.02 69.67 06:22:01 PM all 19.16 0.00 10.28 6.96 0.02 63.59 06:22:01 PM 0 10.82 0.00 9.04 7.24 0.02 72.88 06:22:01 PM 1 19.86 0.00 8.79 7.79 0.02 63.55 06:22:01 PM 2 18.92 0.00 11.55 7.17 0.02 62.34 06:22:01 PM 3 27.01 0.00 11.74 5.63 0.02 55.60 06:23:01 PM all 41.39 0.00 1.35 0.65 0.02 56.59 06:23:01 PM 0 74.94 0.00 1.89 0.32 0.02 22.84 06:23:01 PM 1 40.32 0.00 1.44 1.09 0.03 57.12 06:23:01 PM 2 25.96 0.00 1.12 0.62 0.00 72.30 06:23:01 PM 3 24.34 0.00 0.97 0.59 0.02 74.09 Average: all 19.24 0.01 2.60 1.44 0.01 76.70 Average: 0 22.64 0.00 2.53 1.41 0.01 73.40 Average: 1 19.22 0.01 2.24 1.60 0.01 76.91 Average: 2 18.14 0.04 2.98 1.46 0.01 77.37 Average: 3 16.97 0.01 2.63 1.27 0.01 79.11