---> uname -a: Linux prd-centos8-docker-8c-8g-282.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1561 27842 19 2486 29881 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:82:ea:5d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.199/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86160sec preferred_lft 86160sec inet6 fe80::f816:3eff:fe82:ea5d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8b:af:5f:6c 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/07/2026 _x86_64_ (8 CPU) 14:01:21 LINUX RESTART (8 CPU) 02:02:03 PM tps rtps wtps bread/s bwrtn/s 02:03:01 PM 214.10 2.38 211.72 711.46 11147.49 02:04:01 PM 109.15 1.57 107.58 390.33 11130.11 02:05:01 PM 45.80 2.33 43.47 114.23 4225.22 Average: 121.99 2.09 119.90 401.89 8808.03 02:02:03 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:03:01 PM 28133816 30014992 4521896 13.85 2688 2197580 2667836 7.92 173052 3883876 223224 02:04:01 PM 27543352 29585384 5112360 15.66 2688 2353604 2757476 8.18 223532 4399868 65952 02:05:01 PM 28526240 30611204 4129472 12.65 2688 2394804 1913252 5.68 447732 3193484 23128 Average: 28067803 30070527 4587909 14.05 2688 2315329 2446188 7.26 281439 3825743 104101 02:02:03 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:03:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:03:01 PM eth0 237.87 185.30 3241.17 45.21 0.00 0.00 0.00 0.00 02:03:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:04:01 PM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 02:04:01 PM eth0 157.57 129.65 1517.44 30.03 0.00 0.00 0.00 0.00 02:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:05:01 PM eth0 268.51 180.04 589.91 141.92 0.00 0.00 0.00 0.00 02:05:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 221.14 164.77 1766.39 72.70 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 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/07/2026 _x86_64_ (8 CPU) 14:01:21 LINUX RESTART (8 CPU) 02:02:03 PM CPU %user %nice %system %iowait %steal %idle 02:03:01 PM all 20.74 0.00 1.29 0.78 0.08 77.10 02:03:01 PM 0 19.59 0.00 0.71 0.03 0.12 79.54 02:03:01 PM 1 33.87 0.00 2.56 1.00 0.09 62.48 02:03:01 PM 2 40.16 0.00 2.81 2.32 0.09 54.63 02:03:01 PM 3 8.41 0.00 0.57 0.50 0.09 90.43 02:03:01 PM 4 20.61 0.00 0.62 0.67 0.09 78.01 02:03:01 PM 5 15.58 0.00 1.14 0.69 0.07 82.52 02:03:01 PM 6 9.61 0.00 0.74 0.45 0.07 89.13 02:03:01 PM 7 18.18 0.00 1.16 0.60 0.07 79.99 02:04:01 PM all 42.86 0.00 1.52 0.50 0.11 55.01 02:04:01 PM 0 50.30 0.00 1.19 0.35 0.12 48.05 02:04:01 PM 1 35.50 0.00 0.95 0.02 0.10 63.43 02:04:01 PM 2 43.65 0.00 1.39 0.92 0.13 53.91 02:04:01 PM 3 54.83 0.00 2.11 0.59 0.12 42.36 02:04:01 PM 4 42.56 0.00 1.91 0.08 0.12 55.33 02:04:01 PM 5 38.08 0.00 1.37 1.20 0.10 59.24 02:04:01 PM 6 39.98 0.00 1.54 0.47 0.12 57.89 02:04:01 PM 7 37.97 0.00 1.74 0.35 0.12 59.82 02:05:01 PM all 17.89 0.00 1.08 0.16 0.07 80.81 02:05:01 PM 0 26.95 0.00 0.58 0.28 0.08 72.10 02:05:01 PM 1 15.00 0.00 1.52 0.10 0.08 83.29 02:05:01 PM 2 13.42 0.00 0.94 0.07 0.08 85.50 02:05:01 PM 3 11.36 0.00 1.20 0.45 0.07 86.92 02:05:01 PM 4 19.62 0.00 0.92 0.22 0.07 79.18 02:05:01 PM 5 17.51 0.00 0.64 0.00 0.05 81.80 02:05:01 PM 6 28.63 0.00 1.40 0.03 0.07 69.86 02:05:01 PM 7 10.55 0.00 1.42 0.10 0.07 87.86 Average: all 27.23 0.00 1.30 0.48 0.09 70.90 Average: 0 32.42 0.00 0.83 0.23 0.11 66.42 Average: 1 28.07 0.00 1.67 0.37 0.09 69.81 Average: 2 32.31 0.00 1.70 1.09 0.10 64.80 Average: 3 25.04 0.00 1.30 0.51 0.09 73.05 Average: 4 27.67 0.00 1.16 0.32 0.09 70.77 Average: 5 23.81 0.00 1.05 0.63 0.07 74.44 Average: 6 26.25 0.00 1.23 0.32 0.08 72.12 Average: 7 22.28 0.00 1.44 0.35 0.08 75.84