---> uname -a: Linux prd-centos8-docker-8c-8g-9234.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1035 27173 19 3681 30395 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:8c:3a:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.230/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86141sec preferred_lft 86141sec inet6 fe80::f816:3eff:fe8c:3ae7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:94:13:4a:89 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::42:94ff:fe13:4a89/64 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) 05/09/2026 _x86_64_ (8 CPU) 17:11:20 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 224.25 14.51 209.73 3118.15 13898.25 05:14:01 PM 442.69 5.51 437.17 1231.06 14499.97 05:15:01 PM 239.05 5.01 234.04 547.95 42019.56 Average: 302.00 8.35 293.65 1632.30 23473.12 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 28860244 30828928 3795468 11.62 2688 2285248 1816980 5.39 166696 3159896 138532 05:14:01 PM 27902792 30295748 4752920 14.55 2688 2699848 2117384 6.28 400740 3844548 194160 05:15:01 PM 27824860 31121980 4830852 14.79 2688 3594112 1588668 4.71 647020 3642488 166116 Average: 28195965 30748885 4459747 13.66 2688 2859736 1841011 5.46 404819 3548977 166269 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 216.80 181.49 2617.61 46.26 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 447.72 375.54 5918.55 54.53 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 540.92 454.68 6000.27 1302.89 0.00 0.00 0.00 0.00 05:15:01 PM docker0 7.13 15.03 0.53 258.11 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 401.82 337.25 4845.60 467.92 0.00 0.00 0.00 0.00 Average: docker0 2.38 5.01 0.18 86.04 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) 05/09/2026 _x86_64_ (8 CPU) 17:11:20 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 11.66 0.00 1.18 0.77 0.06 86.33 05:13:01 PM 0 4.35 0.00 0.68 0.50 0.08 94.38 05:13:01 PM 1 9.12 0.00 1.20 0.62 0.07 88.99 05:13:01 PM 2 6.42 0.00 1.24 1.67 0.07 90.60 05:13:01 PM 3 39.20 0.00 2.94 0.95 0.10 56.81 05:13:01 PM 4 5.27 0.00 0.52 0.68 0.03 93.49 05:13:01 PM 5 11.46 0.00 1.02 0.43 0.05 87.03 05:13:01 PM 6 7.12 0.00 1.14 0.82 0.05 90.87 05:13:01 PM 7 10.32 0.00 0.67 0.47 0.05 88.50 05:14:01 PM all 30.45 0.00 1.76 1.26 0.10 66.43 05:14:01 PM 0 37.62 0.00 1.16 0.54 0.12 60.57 05:14:01 PM 1 26.38 0.00 1.22 0.70 0.08 71.61 05:14:01 PM 2 30.08 0.00 1.21 0.32 0.10 68.30 05:14:01 PM 3 28.94 0.00 2.35 3.36 0.08 65.27 05:14:01 PM 4 29.17 0.00 2.60 2.23 0.12 65.88 05:14:01 PM 5 37.50 0.00 2.01 1.02 0.08 59.38 05:14:01 PM 6 24.97 0.00 1.66 1.34 0.08 71.93 05:14:01 PM 7 28.90 0.00 1.91 0.60 0.10 68.48 05:15:01 PM all 18.09 0.00 2.82 1.05 0.08 77.96 05:15:01 PM 0 21.16 0.00 3.19 0.96 0.10 74.59 05:15:01 PM 1 27.30 0.00 3.44 2.57 0.08 66.61 05:15:01 PM 2 8.64 0.00 3.09 1.56 0.08 86.62 05:15:01 PM 3 9.23 0.00 2.58 0.57 0.07 87.55 05:15:01 PM 4 18.91 0.00 2.49 0.50 0.08 78.01 05:15:01 PM 5 19.07 0.00 2.99 0.52 0.10 77.32 05:15:01 PM 6 20.76 0.00 2.33 1.04 0.07 75.79 05:15:01 PM 7 19.61 0.00 2.45 0.64 0.07 77.23 Average: all 20.06 0.00 1.92 1.03 0.08 76.92 Average: 0 21.02 0.00 1.67 0.66 0.10 76.54 Average: 1 20.92 0.00 1.95 1.30 0.08 75.75 Average: 2 15.05 0.00 1.84 1.18 0.08 81.84 Average: 3 25.82 0.00 2.62 1.62 0.08 69.85 Average: 4 17.77 0.00 1.87 1.14 0.08 79.15 Average: 5 22.67 0.00 2.01 0.66 0.08 74.59 Average: 6 17.61 0.00 1.71 1.07 0.07 79.54 Average: 7 19.59 0.00 1.68 0.57 0.07 78.09