---> uname -a: Linux prd-centos8-docker-8c-8g-7716.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: 2799.996 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): 0-7 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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1063 26288 19 4537 30360 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:18:05:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.216/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86135sec preferred_lft 86135sec inet6 fe80::f816:3eff:fe18:588/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0c:66:78:44 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:cff:fe66:7844/64 scope link 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) 05/02/2026 _x86_64_ (8 CPU) 16:34:18 LINUX RESTART (8 CPU) 04:35:01 PM tps rtps wtps bread/s bwrtn/s 04:36:01 PM 288.91 17.19 271.71 3831.68 16009.23 04:37:01 PM 159.33 15.79 143.54 1470.18 39608.11 04:38:01 PM 272.78 4.05 268.73 6143.06 27485.94 Average: 240.34 12.34 228.00 3815.10 27700.43 04:35:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:36:01 PM 28396448 30614780 4259264 13.04 2688 2532288 1921388 5.70 180452 3599136 302988 04:37:01 PM 25912224 29021712 6743488 20.65 2688 3405256 5348616 15.87 451940 5728372 1764 04:38:01 PM 25873716 30033096 6781996 20.77 2688 4450428 3555140 10.55 735744 5476920 113524 Average: 26727463 29889863 5928249 18.15 2688 3462657 3608381 10.71 456045 4934809 139425 04:35:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:36:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:36:01 PM eth0 433.70 332.83 6283.44 59.04 0.00 0.00 0.00 0.00 04:36:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:37:01 PM lo 1.58 1.58 0.20 0.20 0.00 0.00 0.00 0.00 04:37:01 PM eth0 1423.69 384.04 7187.64 35.42 0.00 0.00 0.00 0.00 04:37:01 PM docker0 0.70 1.03 0.10 0.12 0.00 0.00 0.00 0.00 04:37:01 PM vethc184efc 0.70 1.07 0.11 0.12 0.00 0.00 0.00 0.00 04:38:01 PM lo 11.18 11.18 1.15 1.15 0.00 0.00 0.00 0.00 04:38:01 PM eth0 301.55 242.76 4761.65 32.51 0.00 0.00 0.00 0.00 04:38:01 PM docker0 4.08 4.91 0.54 0.57 0.00 0.00 0.00 0.00 Average: lo 4.25 4.25 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 719.61 319.87 6077.52 42.33 0.00 0.00 0.00 0.00 Average: docker0 1.59 1.98 0.22 0.23 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) 05/02/2026 _x86_64_ (8 CPU) 16:34:18 LINUX RESTART (8 CPU) 04:35:01 PM CPU %user %nice %system %iowait %steal %idle 04:36:01 PM all 16.59 0.00 1.46 0.92 0.06 80.96 04:36:01 PM 0 10.74 0.00 1.14 1.34 0.08 86.71 04:36:01 PM 1 19.88 0.00 1.59 0.40 0.07 78.06 04:36:01 PM 2 22.12 0.00 1.44 1.12 0.07 75.25 04:36:01 PM 3 20.16 0.00 1.84 1.66 0.08 76.26 04:36:01 PM 4 17.29 0.00 1.67 0.63 0.07 80.34 04:36:01 PM 5 17.82 0.00 1.96 1.09 0.07 79.07 04:36:01 PM 6 12.42 0.00 1.04 0.55 0.05 85.95 04:36:01 PM 7 12.31 0.00 1.04 0.58 0.03 86.03 04:37:01 PM all 30.52 0.27 2.55 0.88 0.09 65.69 04:37:01 PM 0 32.42 0.02 2.83 0.77 0.08 63.87 04:37:01 PM 1 34.30 1.45 2.71 1.04 0.10 60.40 04:37:01 PM 2 23.99 0.00 2.22 0.71 0.10 72.98 04:37:01 PM 3 34.63 0.02 3.25 2.25 0.08 59.76 04:37:01 PM 4 39.11 0.67 2.15 0.77 0.08 57.20 04:37:01 PM 5 25.35 0.02 2.46 0.72 0.10 71.35 04:37:01 PM 6 16.56 0.02 2.12 0.24 0.08 80.99 04:37:01 PM 7 37.74 0.00 2.68 0.50 0.08 58.99 04:38:01 PM all 28.90 0.31 2.27 0.76 0.08 67.67 04:38:01 PM 0 22.03 0.03 2.22 0.28 0.08 75.34 04:38:01 PM 1 27.06 0.00 3.36 2.82 0.08 66.68 04:38:01 PM 2 33.04 2.03 2.80 0.29 0.07 61.77 04:38:01 PM 3 22.83 0.35 1.89 0.15 0.08 74.69 04:38:01 PM 4 34.83 0.02 2.21 0.08 0.10 62.76 04:38:01 PM 5 23.88 0.05 2.06 1.98 0.08 71.95 04:38:01 PM 6 34.12 0.00 1.88 0.35 0.07 63.59 04:38:01 PM 7 33.40 0.02 1.74 0.17 0.08 64.59 Average: all 25.32 0.19 2.09 0.85 0.08 71.46 Average: 0 21.70 0.02 2.06 0.80 0.08 75.34 Average: 1 27.07 0.48 2.55 1.42 0.08 68.40 Average: 2 26.38 0.68 2.15 0.70 0.08 70.01 Average: 3 25.86 0.12 2.32 1.35 0.08 70.26 Average: 4 30.38 0.23 2.01 0.50 0.08 66.79 Average: 5 22.34 0.02 2.16 1.26 0.08 74.13 Average: 6 21.03 0.01 1.68 0.38 0.07 76.84 Average: 7 27.80 0.01 1.82 0.42 0.07 69.89