---> uname -a: Linux prd-centos8-docker-8c-8g-1335.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1021 28415 19 2453 30420 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:09:c5:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.116/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fe09:c55c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:24:1d:d5:d8 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) 03/12/2026 _x86_64_ (8 CPU) 05:17:19 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 161.86 2.82 159.04 341.54 10021.78 05:20:01 AM 182.19 2.50 179.69 950.35 8844.50 05:21:01 AM 69.23 1.22 68.02 83.56 6170.43 Average: 137.75 2.18 135.58 458.47 8345.36 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 28825356 30597732 3830356 11.73 2688 2089732 2281180 6.77 161972 3205724 126288 05:20:01 AM 27118504 29125144 5537208 16.96 2688 2316180 3570876 10.59 226648 4809968 113968 05:21:01 AM 29158036 31211760 3497676 10.71 2688 2360460 1390640 4.13 411764 2585492 27400 Average: 28367299 30311545 4288413 13.13 2688 2255457 2414232 7.16 266795 3533728 89219 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 188.19 156.19 1642.33 51.00 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 246.63 213.83 2356.52 38.31 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 197.52 192.95 356.48 178.73 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 210.78 187.66 1451.70 89.35 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) 03/12/2026 _x86_64_ (8 CPU) 05:17:19 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 16.21 0.00 1.25 0.64 0.06 81.83 05:19:01 AM 0 11.21 0.00 0.80 0.77 0.07 87.15 05:19:01 AM 1 25.62 0.00 1.97 0.25 0.08 72.07 05:19:01 AM 2 7.63 0.00 0.84 0.79 0.07 90.68 05:19:01 AM 3 8.39 0.00 1.62 1.37 0.07 88.54 05:19:01 AM 4 15.90 0.00 0.65 0.60 0.07 82.78 05:19:01 AM 5 22.48 0.00 1.69 0.75 0.07 75.02 05:19:01 AM 6 15.27 0.00 1.14 0.42 0.03 83.14 05:19:01 AM 7 23.17 0.00 1.28 0.20 0.07 75.28 05:20:01 AM all 42.68 0.00 1.50 0.42 0.09 55.30 05:20:01 AM 0 46.73 0.00 1.57 0.37 0.10 51.23 05:20:01 AM 1 47.35 0.00 2.16 1.00 0.08 49.41 05:20:01 AM 2 42.66 0.00 1.84 0.25 0.08 55.17 05:20:01 AM 3 39.90 0.00 1.42 0.69 0.08 57.91 05:20:01 AM 4 43.34 0.00 1.22 0.17 0.10 55.18 05:20:01 AM 5 46.80 0.00 1.45 0.37 0.08 51.29 05:20:01 AM 6 39.44 0.00 1.25 0.52 0.10 58.69 05:20:01 AM 7 35.22 0.00 1.10 0.03 0.08 63.55 05:21:01 AM all 23.77 0.00 1.39 0.18 0.07 74.59 05:21:01 AM 0 21.26 0.00 1.19 0.32 0.08 77.16 05:21:01 AM 1 34.82 0.00 1.55 0.02 0.08 63.53 05:21:01 AM 2 25.49 0.00 1.79 0.38 0.08 72.26 05:21:01 AM 3 21.62 0.00 1.55 0.12 0.07 76.64 05:21:01 AM 4 22.27 0.00 1.30 0.03 0.08 76.31 05:21:01 AM 5 35.17 0.00 1.65 0.18 0.07 62.93 05:21:01 AM 6 11.53 0.00 1.14 0.27 0.07 87.00 05:21:01 AM 7 17.97 0.00 0.95 0.08 0.05 80.94 Average: all 27.55 0.00 1.38 0.41 0.08 70.58 Average: 0 26.41 0.00 1.19 0.48 0.08 71.84 Average: 1 35.93 0.00 1.89 0.42 0.08 61.67 Average: 2 25.26 0.00 1.49 0.47 0.08 72.71 Average: 3 23.31 0.00 1.53 0.72 0.07 74.35 Average: 4 27.17 0.00 1.06 0.27 0.08 71.42 Average: 5 34.82 0.00 1.60 0.43 0.07 63.08 Average: 6 22.08 0.00 1.18 0.40 0.07 76.27 Average: 7 25.45 0.00 1.11 0.11 0.07 73.27