---> uname -a: Linux prd-centos8-docker-8c-8g-9227.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 13G 148G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1067 26285 19 4537 30357 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:28:66:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.151/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86127sec preferred_lft 86127sec inet6 fe80::f816:3eff:fe28:661b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:10:37:ce:de 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::42:10ff:fe37:cede/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) 16:34:17 LINUX RESTART (8 CPU) 04:35:01 PM tps rtps wtps bread/s bwrtn/s 04:36:01 PM 277.54 17.09 260.45 3832.32 15338.12 04:37:01 PM 170.75 15.86 154.89 1556.29 40338.58 04:38:01 PM 202.42 3.48 198.93 6134.09 7854.03 Average: 216.90 12.15 204.75 3840.77 21177.98 04:35:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:36:01 PM 28466152 30681752 4189560 12.83 2688 2529612 1802236 5.35 180764 3528624 314192 04:37:01 PM 26181932 29290788 6473780 19.82 2688 3405208 4351700 12.91 454508 5465192 136 04:38:01 PM 26578784 30730816 6076928 18.61 2688 4443544 1837540 5.45 708200 4808920 682964 Average: 27075623 30234452 5580089 17.09 2688 3459455 2663825 7.90 447824 4600912 332431 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 499.22 370.76 6262.30 63.27 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 3.66 3.66 0.42 0.42 0.00 0.00 0.00 0.00 04:37:01 PM eth0 1471.63 401.40 7190.07 37.54 0.00 0.00 0.00 0.00 04:37:01 PM docker0 1.55 2.03 0.21 0.23 0.00 0.00 0.00 0.00 04:37:01 PM vethe522f9c 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 04:38:01 PM lo 9.10 9.10 0.93 0.93 0.00 0.00 0.00 0.00 04:38:01 PM eth0 267.76 225.27 4767.16 31.19 0.00 0.00 0.00 0.00 04:38:01 PM docker0 3.17 3.85 0.43 0.45 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 746.24 332.48 6073.24 44.00 0.00 0.00 0.00 0.00 Average: docker0 1.57 1.96 0.21 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) 05/09/2026 _x86_64_ (8 CPU) 16:34:17 LINUX RESTART (8 CPU) 04:35:01 PM CPU %user %nice %system %iowait %steal %idle 04:36:01 PM all 17.41 0.00 1.40 0.77 0.07 80.35 04:36:01 PM 0 22.97 0.00 1.29 0.20 0.08 75.46 04:36:01 PM 1 27.09 0.00 2.54 0.92 0.08 69.37 04:36:01 PM 2 20.94 0.00 1.60 0.99 0.07 76.40 04:36:01 PM 3 16.73 0.00 0.84 0.27 0.05 82.12 04:36:01 PM 4 19.42 0.00 1.76 1.05 0.07 77.70 04:36:01 PM 5 10.63 0.00 0.90 0.57 0.07 87.83 04:36:01 PM 6 9.01 0.00 1.70 1.96 0.07 87.26 04:36:01 PM 7 12.46 0.00 0.58 0.22 0.05 86.68 04:37:01 PM all 30.49 0.22 2.71 0.77 0.09 65.73 04:37:01 PM 0 34.81 0.00 2.32 0.40 0.08 62.38 04:37:01 PM 1 40.56 0.02 2.76 1.11 0.08 55.47 04:37:01 PM 2 32.50 0.02 2.61 0.45 0.10 64.32 04:37:01 PM 3 17.51 0.64 3.06 1.38 0.08 77.33 04:37:01 PM 4 22.21 0.00 2.49 1.20 0.08 74.02 04:37:01 PM 5 20.32 0.00 2.79 1.26 0.08 75.54 04:37:01 PM 6 29.82 1.11 2.87 0.20 0.08 65.91 04:37:01 PM 7 46.17 0.00 2.76 0.12 0.08 50.87 04:38:01 PM all 20.30 0.07 1.93 0.47 0.07 77.16 04:38:01 PM 0 16.82 0.02 1.81 0.13 0.07 81.16 04:38:01 PM 1 23.37 0.00 2.35 0.45 0.07 73.77 04:38:01 PM 2 22.98 0.00 2.57 2.23 0.07 72.16 04:38:01 PM 3 18.54 0.00 1.98 0.54 0.07 78.88 04:38:01 PM 4 28.01 0.33 1.10 0.02 0.07 70.47 04:38:01 PM 5 15.30 0.00 1.74 0.20 0.07 82.69 04:38:01 PM 6 19.05 0.15 1.72 0.13 0.07 78.88 04:38:01 PM 7 18.36 0.03 2.21 0.07 0.07 79.27 Average: all 22.72 0.10 2.01 0.67 0.07 74.43 Average: 0 24.85 0.01 1.80 0.25 0.08 73.02 Average: 1 30.32 0.01 2.55 0.83 0.08 66.22 Average: 2 25.46 0.01 2.26 1.22 0.08 70.98 Average: 3 17.59 0.21 1.96 0.73 0.07 79.45 Average: 4 23.21 0.11 1.78 0.75 0.07 74.06 Average: 5 15.41 0.00 1.81 0.68 0.07 82.03 Average: 6 19.26 0.42 2.10 0.77 0.07 77.38 Average: 7 25.62 0.01 1.85 0.13 0.07 72.31