---> uname -a: Linux prd-centos8-docker-8c-8g-2796.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: 2800.000 BogoMIPS: 5600.00 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 999 27514 19 3376 30441 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:3b:20:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.98/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86195sec preferred_lft 86195sec inet6 fe80::f816:3eff:fe3b:20b8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:8a:a6:3f:77 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) 10/15/2025 _x86_64_ (8 CPU) 03:55:50 LINUX RESTART (8 CPU) 03:56:01 AM tps rtps wtps bread/s bwrtn/s 03:57:01 AM 295.27 31.99 263.28 7486.45 34235.95 03:58:01 AM 258.00 19.01 238.99 3905.10 11345.80 03:59:01 AM 161.72 0.82 160.91 69.59 38295.23 Average: 238.33 17.27 221.06 3820.59 27958.42 03:56:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:57:01 AM 29489456 31201940 3166248 9.70 2688 2034932 1486884 4.41 149432 2583084 202808 03:58:01 AM 28527064 30602588 4128640 12.64 2688 2387728 1987172 5.90 183980 3458028 174144 03:59:01 AM 28199784 31195496 4455920 13.65 2688 3303224 1437308 4.26 732408 3227292 18356 Average: 28738768 31000008 3916936 11.99 2688 2575295 1637121 4.86 355273 3089468 131769 03:56:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:57:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:57:01 AM eth0 385.27 246.62 2091.50 62.81 0.00 0.00 0.00 0.00 03:57:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:58:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:58:01 AM eth0 348.72 299.25 3303.89 64.19 0.00 0.00 0.00 0.00 03:58:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:59:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:59:01 AM eth0 265.29 286.95 1762.43 3790.14 0.00 0.00 0.00 0.00 03:59:01 AM docker0 0.00 0.00 0.00 0.00 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 333.10 277.61 2385.97 1305.58 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) 10/15/2025 _x86_64_ (8 CPU) 03:55:50 LINUX RESTART (8 CPU) 03:56:01 AM CPU %user %nice %system %iowait %steal %idle 03:57:01 AM all 15.35 0.00 2.43 1.73 0.08 80.41 03:57:01 AM 0 8.50 0.00 2.41 0.67 0.08 88.34 03:57:01 AM 1 14.82 0.00 3.42 3.84 0.12 77.80 03:57:01 AM 2 20.10 0.00 2.52 1.19 0.07 76.12 03:57:01 AM 3 25.54 0.00 3.00 1.46 0.07 69.93 03:57:01 AM 4 22.80 0.00 2.86 1.14 0.08 73.12 03:57:01 AM 5 9.89 0.00 1.69 4.26 0.08 84.08 03:57:01 AM 6 12.30 0.00 1.24 0.52 0.07 85.88 03:57:01 AM 7 8.88 0.00 2.33 0.77 0.05 87.97 03:58:01 AM all 13.63 0.00 1.12 4.60 0.09 80.56 03:58:01 AM 0 5.98 0.00 0.73 0.53 0.10 92.65 03:58:01 AM 1 17.71 0.00 0.99 1.51 0.12 79.68 03:58:01 AM 2 23.85 0.00 1.49 6.30 0.08 68.27 03:58:01 AM 3 10.64 0.00 1.46 12.97 0.08 74.85 03:58:01 AM 4 15.21 0.00 1.22 0.70 0.07 82.80 03:58:01 AM 5 15.15 0.00 1.29 10.45 0.10 73.01 03:58:01 AM 6 12.81 0.00 0.80 0.77 0.05 85.57 03:58:01 AM 7 7.64 0.00 1.00 3.58 0.12 87.66 03:59:01 AM all 12.67 0.00 1.40 1.25 0.06 84.62 03:59:01 AM 0 10.33 0.00 1.57 0.13 0.08 87.89 03:59:01 AM 1 14.43 0.00 1.49 3.62 0.07 80.39 03:59:01 AM 2 11.39 0.00 2.15 1.89 0.07 84.51 03:59:01 AM 3 31.77 0.00 1.97 2.12 0.07 64.07 03:59:01 AM 4 11.88 0.00 1.00 0.73 0.03 86.35 03:59:01 AM 5 6.80 0.00 1.09 0.72 0.05 91.35 03:59:01 AM 6 6.23 0.00 0.95 0.25 0.05 92.52 03:59:01 AM 7 8.56 0.00 0.97 0.55 0.07 89.85 Average: all 13.88 0.00 1.65 2.53 0.08 81.87 Average: 0 8.27 0.00 1.57 0.45 0.09 89.63 Average: 1 15.65 0.00 1.96 2.99 0.10 79.29 Average: 2 18.44 0.00 2.06 3.12 0.07 76.30 Average: 3 22.65 0.00 2.14 5.52 0.07 69.62 Average: 4 16.63 0.00 1.69 0.86 0.06 80.76 Average: 5 10.61 0.00 1.35 5.14 0.08 82.82 Average: 6 10.44 0.00 1.00 0.51 0.06 87.99 Average: 7 8.36 0.00 1.43 1.63 0.08 88.50