---> uname -a: Linux prd-centos8-docker-8c-8g-6239.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1066 27149 19 3674 30364 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:ec:7e:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.178/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86141sec preferred_lft 86141sec inet6 fe80::f816:3eff:feec:7ee5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:72:bc:92:1c 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::42:72ff:febc:921c/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) 04/26/2026 _x86_64_ (8 CPU) 17:11:18 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 219.33 14.43 204.90 3117.63 13150.52 05:14:01 PM 469.72 5.57 464.16 1232.33 14567.79 05:15:01 PM 230.51 4.82 225.69 480.37 42063.56 Average: 306.51 8.27 298.24 1610.13 23261.11 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 29187276 31154808 3468428 10.62 2688 2284244 2011196 5.97 191284 2806416 142612 05:14:01 PM 27824424 30214020 4831280 14.79 2688 2696400 2121976 6.30 399648 3922072 198616 05:15:01 PM 27801148 31090944 4854556 14.87 2688 3586904 1535916 4.56 645472 3664492 165936 Average: 28270949 30819924 4384755 13.43 2688 2855849 1889696 5.61 412135 3464327 169055 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 217.08 178.77 2632.56 36.77 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 445.36 382.40 5875.11 54.84 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 538.95 477.86 5994.80 1923.81 0.00 0.00 0.00 0.00 05:15:01 PM docker0 5.95 13.26 0.47 257.80 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 400.46 346.34 4834.10 671.84 0.00 0.00 0.00 0.00 Average: docker0 1.98 4.42 0.16 85.94 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) 04/26/2026 _x86_64_ (8 CPU) 17:11:18 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 11.86 0.00 1.18 0.59 0.06 86.31 05:13:01 PM 0 6.35 0.00 0.45 0.18 0.08 92.94 05:13:01 PM 1 30.83 0.00 3.27 0.99 0.08 64.83 05:13:01 PM 2 10.16 0.00 1.04 0.70 0.05 88.05 05:13:01 PM 3 11.98 0.00 1.24 0.68 0.05 86.05 05:13:01 PM 4 16.14 0.00 0.95 0.50 0.05 82.35 05:13:01 PM 5 5.82 0.00 0.62 0.33 0.05 93.18 05:13:01 PM 6 7.05 0.00 1.05 1.07 0.07 90.77 05:13:01 PM 7 6.56 0.00 0.80 0.27 0.07 92.31 05:14:01 PM all 27.88 0.00 1.72 1.06 0.08 69.26 05:14:01 PM 0 27.07 0.00 0.92 0.15 0.08 71.78 05:14:01 PM 1 21.61 0.00 1.66 1.09 0.07 75.57 05:14:01 PM 2 25.05 0.00 2.79 3.24 0.08 68.84 05:14:01 PM 3 23.09 0.00 2.03 1.01 0.07 73.81 05:14:01 PM 4 31.45 0.00 1.12 0.57 0.08 66.78 05:14:01 PM 5 22.97 0.00 1.54 0.59 0.07 74.84 05:14:01 PM 6 38.20 0.00 1.86 0.85 0.10 58.98 05:14:01 PM 7 33.60 0.00 1.81 1.01 0.08 63.50 05:15:01 PM all 17.53 0.00 2.63 0.77 0.07 79.01 05:15:01 PM 0 19.93 0.00 2.78 1.22 0.07 76.00 05:15:01 PM 1 20.78 0.00 2.24 0.62 0.08 76.28 05:15:01 PM 2 23.92 0.00 2.65 0.64 0.08 72.71 05:15:01 PM 3 8.76 0.00 2.72 1.31 0.08 87.13 05:15:01 PM 4 20.81 0.00 2.63 0.34 0.07 76.15 05:15:01 PM 5 16.39 0.00 3.03 0.57 0.07 79.95 05:15:01 PM 6 17.28 0.00 2.32 1.09 0.05 79.26 05:15:01 PM 7 12.34 0.00 2.67 0.37 0.05 84.57 Average: all 19.08 0.00 1.84 0.81 0.07 78.20 Average: 0 17.77 0.00 1.38 0.52 0.08 80.25 Average: 1 24.42 0.00 2.39 0.90 0.08 72.21 Average: 2 19.70 0.00 2.16 1.52 0.07 76.55 Average: 3 14.61 0.00 1.99 1.00 0.07 82.33 Average: 4 22.79 0.00 1.57 0.47 0.07 75.10 Average: 5 15.05 0.00 1.73 0.50 0.06 82.67 Average: 6 20.83 0.00 1.74 1.00 0.07 76.36 Average: 7 17.50 0.00 1.76 0.55 0.07 80.13