---> uname -a: Linux prd-centos8-docker-4c-4g-239.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: 2799.996 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 nrip_save 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 790 12166 19 2804 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:49:9f:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.174/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86013sec preferred_lft 86013sec inet6 fe80::f816:3eff:fe49:9f6e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:48:37:a7:15 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) 07/16/2026 _x86_64_ (4 CPU) 15:47:43 LINUX RESTART (4 CPU) 03:48:01 PM tps rtps wtps bread/s bwrtn/s 03:49:01 PM 243.23 19.91 223.32 5497.25 8275.78 03:50:01 PM 206.25 20.23 186.02 4127.96 15701.82 03:51:01 PM 110.24 1.71 108.52 102.68 12033.26 03:52:01 PM 8.82 0.00 8.82 0.00 332.69 03:53:01 PM 2.82 1.73 1.08 51.58 216.83 03:54:01 PM 27.75 1.50 26.25 141.84 1296.92 Average: 99.86 7.51 92.35 1653.53 6310.70 03:48:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:49:01 PM 13311268 15090220 2828052 17.52 2688 1994120 1114812 6.49 148528 2323724 174092 03:50:01 PM 12333384 14579320 3805936 23.58 2688 2448876 1468908 8.55 211800 3179448 103648 03:51:01 PM 10499028 12983272 5640292 34.95 2688 2683024 3345472 19.46 261432 4943684 2116 03:52:01 PM 10228912 12716428 5910408 36.62 2688 2686212 3377164 19.65 261484 5213576 1088 03:53:01 PM 8524720 11023100 7614600 47.18 2688 2696756 4551368 26.48 265636 6909104 4264 03:54:01 PM 12526220 15048448 3613100 22.39 2688 2719248 1084944 6.31 471704 2710228 24468 Average: 11237255 13573465 4902065 30.37 2688 2538039 2490445 14.49 270097 4213294 51613 03:48:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:49:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:49:01 PM eth0 345.04 197.60 1897.09 68.85 0.00 0.00 0.00 0.00 03:49:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:50:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:50:01 PM eth0 216.89 179.27 2531.65 30.37 0.00 0.00 0.00 0.00 03:50:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:51:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:51:01 PM eth0 253.80 181.07 3488.16 33.45 0.00 0.00 0.00 0.00 03:51:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:52:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:52:01 PM eth0 175.50 112.50 56.73 68.28 0.00 0.00 0.00 0.00 03:52:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:53:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:53:01 PM eth0 47.68 32.87 14.49 20.71 0.00 0.00 0.00 0.00 03:53:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:54:01 PM lo 6.45 6.45 0.80 0.80 0.00 0.00 0.00 0.00 03:54:01 PM eth0 30.19 25.25 22.35 11.31 0.00 0.00 0.00 0.00 03:54:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.13 0.13 0.00 0.00 0.00 0.00 Average: eth0 178.21 121.44 1335.46 38.83 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) 07/16/2026 _x86_64_ (4 CPU) 15:47:43 LINUX RESTART (4 CPU) 03:48:01 PM CPU %user %nice %system %iowait %steal %idle 03:49:01 PM all 22.75 0.00 2.94 2.89 0.13 71.30 03:49:01 PM 0 28.01 0.00 2.47 0.43 0.08 69.00 03:49:01 PM 1 33.08 0.00 3.13 0.43 0.10 63.26 03:49:01 PM 2 16.63 0.00 2.55 0.50 0.10 80.22 03:49:01 PM 3 13.04 0.00 3.61 10.36 0.22 72.78 03:50:01 PM all 36.75 0.00 2.34 1.33 0.10 59.47 03:50:01 PM 0 39.10 0.00 2.11 1.25 0.12 57.42 03:50:01 PM 1 27.88 0.00 2.33 2.10 0.10 67.59 03:50:01 PM 2 51.45 0.00 3.04 0.89 0.12 44.51 03:50:01 PM 3 28.53 0.00 1.89 1.10 0.08 68.39 03:51:01 PM all 71.41 0.00 2.14 0.63 0.15 25.67 03:51:01 PM 0 75.37 0.00 2.00 0.43 0.13 22.06 03:51:01 PM 1 78.74 0.00 1.58 0.67 0.13 18.87 03:51:01 PM 2 68.16 0.00 2.74 0.38 0.17 28.55 03:51:01 PM 3 63.41 0.00 2.24 1.02 0.15 33.18 03:52:01 PM all 16.48 0.00 1.47 0.16 0.10 81.79 03:52:01 PM 0 14.49 0.00 1.27 0.00 0.08 84.16 03:52:01 PM 1 15.91 0.00 1.54 0.64 0.13 81.78 03:52:01 PM 2 20.31 0.00 1.62 0.00 0.12 77.95 03:52:01 PM 3 15.20 0.00 1.47 0.00 0.07 83.26 03:53:01 PM all 41.34 0.00 1.12 0.02 0.10 57.42 03:53:01 PM 0 35.99 0.00 0.89 0.00 0.10 63.02 03:53:01 PM 1 46.77 0.00 1.47 0.00 0.10 51.65 03:53:01 PM 2 49.32 0.00 1.04 0.00 0.10 49.55 03:53:01 PM 3 33.28 0.00 1.09 0.07 0.10 65.46 03:54:01 PM all 45.27 0.00 2.09 0.08 0.10 52.46 03:54:01 PM 0 38.81 0.00 1.95 0.03 0.07 59.13 03:54:01 PM 1 53.21 0.00 2.41 0.13 0.12 44.14 03:54:01 PM 2 53.08 0.00 2.31 0.15 0.12 44.34 03:54:01 PM 3 35.95 0.00 1.71 0.02 0.10 62.22 Average: all 39.01 0.00 2.02 0.85 0.11 58.01 Average: 0 38.64 0.00 1.78 0.36 0.10 59.13 Average: 1 42.58 0.00 2.08 0.66 0.11 54.57 Average: 2 43.18 0.00 2.21 0.32 0.12 54.17 Average: 3 31.63 0.00 1.99 2.06 0.12 64.19