---> uname -a: Linux prd-centos8-docker-8c-8g-19958.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 993 28428 19 2468 30448 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:07:19:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.192/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86164sec preferred_lft 86164sec inet6 fe80::f816:3eff:fe07:190b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ad:29:a6:0a 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) 02/25/2026 _x86_64_ (8 CPU) 05:17:25 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 169.94 2.88 167.06 345.48 10833.07 05:20:01 AM 188.75 2.50 186.25 950.51 9126.16 05:21:01 AM 75.64 1.17 74.48 82.37 6244.69 Average: 144.78 2.18 142.59 459.43 8734.62 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 28838032 30625420 3817680 11.69 2688 2104480 2292780 6.80 160556 3192308 127480 05:20:01 AM 27239140 29259776 5416572 16.59 2688 2330052 3439476 10.20 225032 4688848 109284 05:21:01 AM 29099288 31166748 3556424 10.89 2688 2374196 1457932 4.33 411312 2645024 25168 Average: 28392153 30350648 4263559 13.06 2688 2269576 2396729 7.11 265633 3508727 87311 05:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 188.44 158.11 1681.98 51.30 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 245.64 209.80 2342.93 40.66 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 174.53 172.74 351.99 175.11 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 202.87 180.22 1458.92 89.03 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) 02/25/2026 _x86_64_ (8 CPU) 05:17:25 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 16.94 0.00 1.39 0.50 0.07 81.11 05:19:01 AM 0 22.41 0.00 1.35 0.60 0.08 75.55 05:19:01 AM 1 22.45 0.00 1.97 0.73 0.08 74.76 05:19:01 AM 2 11.97 0.00 0.59 0.08 0.07 87.29 05:19:01 AM 3 22.74 0.00 2.32 0.67 0.07 74.20 05:19:01 AM 4 15.34 0.00 1.24 0.44 0.07 82.91 05:19:01 AM 5 19.18 0.00 1.39 0.53 0.05 78.85 05:19:01 AM 6 12.01 0.00 0.92 0.08 0.07 86.92 05:19:01 AM 7 9.39 0.00 1.30 0.84 0.08 88.38 05:20:01 AM all 42.58 0.00 1.52 0.53 0.09 55.27 05:20:01 AM 0 37.94 0.00 1.47 0.33 0.10 60.16 05:20:01 AM 1 41.99 0.00 1.50 0.43 0.10 55.97 05:20:01 AM 2 44.52 0.00 1.27 0.47 0.10 53.64 05:20:01 AM 3 50.80 0.00 1.90 0.82 0.10 46.38 05:20:01 AM 4 43.82 0.00 1.80 0.40 0.10 53.88 05:20:01 AM 5 51.29 0.00 1.45 0.35 0.08 46.82 05:20:01 AM 6 44.51 0.00 1.49 0.30 0.08 53.62 05:20:01 AM 7 25.76 0.00 1.27 1.15 0.08 71.73 05:21:01 AM all 23.36 0.00 1.42 0.20 0.08 74.94 05:21:01 AM 0 26.52 0.00 1.75 0.03 0.08 71.61 05:21:01 AM 1 22.93 0.00 1.35 0.20 0.10 75.42 05:21:01 AM 2 20.11 0.00 1.25 0.33 0.08 78.22 05:21:01 AM 3 21.60 0.00 1.64 0.42 0.07 76.27 05:21:01 AM 4 19.68 0.00 1.07 0.12 0.07 79.07 05:21:01 AM 5 26.51 0.00 1.60 0.23 0.08 71.57 05:21:01 AM 6 19.15 0.00 1.34 0.12 0.07 79.34 05:21:01 AM 7 30.35 0.00 1.34 0.17 0.08 68.06 Average: all 27.63 0.00 1.44 0.41 0.08 70.44 Average: 0 28.96 0.00 1.53 0.32 0.09 69.10 Average: 1 29.13 0.00 1.61 0.46 0.09 68.72 Average: 2 25.54 0.00 1.04 0.30 0.08 73.05 Average: 3 31.72 0.00 1.95 0.63 0.08 65.61 Average: 4 26.29 0.00 1.37 0.32 0.08 71.94 Average: 5 32.32 0.00 1.48 0.37 0.07 65.76 Average: 6 25.22 0.00 1.25 0.17 0.07 73.29 Average: 7 21.84 0.00 1.30 0.72 0.08 76.06