---> uname -a: Linux prd-centos8-docker-8c-8g-5367.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 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1035 27567 19 3287 30396 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:d5:c4:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.147/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86134sec preferred_lft 86134sec inet6 fe80::f816:3eff:fed5:c4e5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9d:7c:9f:c2 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) 04/24/2026 _x86_64_ (8 CPU) 09:05:00 LINUX RESTART (8 CPU) 09:06:01 AM tps rtps wtps bread/s bwrtn/s 09:07:01 AM 285.99 21.06 264.93 3966.28 16746.08 09:08:01 AM 157.44 4.01 153.42 255.07 12322.79 09:09:01 AM 194.44 3.85 190.59 248.42 17496.45 Average: 212.62 9.64 202.98 1489.85 15521.60 09:06:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:07:01 AM 28338568 30533068 4317144 13.22 2688 2502916 2581456 7.66 242996 3570644 163924 09:08:01 AM 26115212 28763356 6540500 20.03 2688 2949548 3745348 11.11 332732 5672820 271520 09:09:01 AM 28258536 31152032 4397176 13.47 2688 3190568 1427312 4.23 531116 3319968 79384 Average: 27570772 30149485 5084940 15.57 2688 2881011 2584705 7.67 368948 4187811 171609 09:06:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:07:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:07:01 AM eth0 284.49 249.50 3493.16 41.41 0.00 0.00 0.00 0.00 09:07:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:08:01 AM lo 7.68 7.68 0.82 0.82 0.00 0.00 0.00 0.00 09:08:01 AM eth0 336.93 256.94 5994.34 55.72 0.00 0.00 0.00 0.00 09:08:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:09:01 AM lo 20.14 20.14 5.53 5.53 0.00 0.00 0.00 0.00 09:09:01 AM eth0 195.00 147.38 3736.91 41.00 0.00 0.00 0.00 0.00 09:09:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.27 9.27 2.12 2.12 0.00 0.00 0.00 0.00 Average: eth0 272.14 217.94 4408.23 46.04 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) 04/24/2026 _x86_64_ (8 CPU) 09:05:00 LINUX RESTART (8 CPU) 09:06:01 AM CPU %user %nice %system %iowait %steal %idle 09:07:01 AM all 16.64 0.00 1.43 1.39 0.09 80.44 09:07:01 AM 0 9.57 0.00 1.29 1.39 0.08 87.67 09:07:01 AM 1 16.37 0.00 1.50 0.77 0.08 81.27 09:07:01 AM 2 16.71 0.00 1.31 1.29 0.10 80.59 09:07:01 AM 3 16.01 0.00 0.67 1.57 0.08 81.66 09:07:01 AM 4 24.03 0.00 2.46 1.72 0.08 71.71 09:07:01 AM 5 23.83 0.00 1.40 1.22 0.10 73.44 09:07:01 AM 6 15.20 0.00 1.45 1.24 0.08 82.03 09:07:01 AM 7 11.40 0.00 1.39 1.96 0.07 85.18 09:08:01 AM all 37.39 0.00 1.61 0.59 0.12 60.30 09:08:01 AM 0 36.30 0.00 0.97 0.43 0.12 62.18 09:08:01 AM 1 26.67 0.00 1.64 0.39 0.10 71.21 09:08:01 AM 2 32.83 0.00 2.48 0.94 0.13 63.61 09:08:01 AM 3 26.31 0.00 1.44 1.00 0.12 71.13 09:08:01 AM 4 35.71 0.00 1.92 1.34 0.12 60.91 09:08:01 AM 5 53.93 0.00 1.85 0.22 0.12 43.88 09:08:01 AM 6 43.03 0.00 0.79 0.15 0.12 55.91 09:08:01 AM 7 44.28 0.00 1.77 0.22 0.12 53.61 09:09:01 AM all 31.63 0.00 1.52 0.86 0.10 65.88 09:09:01 AM 0 31.85 0.00 1.17 0.02 0.10 66.86 09:09:01 AM 1 38.24 0.00 2.86 1.05 0.12 57.72 09:09:01 AM 2 34.64 0.00 1.17 0.95 0.10 63.14 09:09:01 AM 3 34.08 0.00 1.61 0.94 0.10 63.27 09:09:01 AM 4 24.59 0.00 1.29 0.13 0.10 73.88 09:09:01 AM 5 24.39 0.00 1.44 2.12 0.08 71.96 09:09:01 AM 6 28.98 0.00 1.46 1.62 0.10 67.84 09:09:01 AM 7 36.28 0.00 1.19 0.05 0.10 62.39 Average: all 28.55 0.00 1.52 0.95 0.10 68.88 Average: 0 25.90 0.00 1.14 0.61 0.10 72.24 Average: 1 27.09 0.00 2.00 0.74 0.10 70.07 Average: 2 28.06 0.00 1.65 1.06 0.11 69.11 Average: 3 25.46 0.00 1.24 1.17 0.10 72.03 Average: 4 28.11 0.00 1.89 1.06 0.10 68.83 Average: 5 34.05 0.00 1.57 1.19 0.10 63.10 Average: 6 29.08 0.00 1.23 1.00 0.10 68.59 Average: 7 30.66 0.00 1.45 0.74 0.09 67.06