---> uname -a: Linux prd-centos8-docker-8c-8g-4.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 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1045 26559 19 4285 30379 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:23:8e:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.227/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86126sec preferred_lft 86126sec inet6 fe80::f816:3eff:fe23:8e61/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:bd:f7:ed:d0 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:bdff:fef7:edd0/64 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) 12/16/2025 _x86_64_ (8 CPU) 02:28:24 LINUX RESTART (8 CPU) 02:29:01 AM tps rtps wtps bread/s bwrtn/s 02:30:01 AM 158.73 14.58 144.15 3098.70 10316.49 02:31:01 AM 213.03 6.26 206.76 1196.34 16443.69 02:32:01 AM 135.42 15.09 120.33 5493.90 29599.63 Average: 169.06 11.98 157.08 3262.86 18786.48 02:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 AM 29293664 31125764 3362048 10.30 2688 2150524 1584784 4.70 152720 2753592 132524 02:31:01 AM 27325208 29842048 5330504 16.32 2688 2826788 2592540 7.69 302964 4530920 346548 02:32:01 AM 26162420 30159732 6493292 19.88 2688 4289180 2319708 6.88 738168 5191732 815476 Average: 27593764 30375848 5061948 15.50 2688 3088831 2165677 6.43 397951 4158748 431516 02:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:30:01 AM eth0 107.53 82.74 1227.94 28.66 0.00 0.00 0.00 0.00 02:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:31:01 AM eth0 1209.21 553.02 9486.29 58.55 0.00 0.00 0.00 0.00 02:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 AM lo 12.03 12.03 1.27 1.27 0.00 0.00 0.00 0.00 02:32:01 AM eth0 608.91 206.91 3840.74 31.51 0.00 0.00 0.00 0.00 02:32:01 AM docker0 4.33 5.36 0.62 0.62 0.00 0.00 0.00 0.00 Average: lo 4.01 4.01 0.42 0.42 0.00 0.00 0.00 0.00 Average: eth0 641.92 280.91 4851.92 39.58 0.00 0.00 0.00 0.00 Average: docker0 1.44 1.79 0.21 0.21 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) 12/16/2025 _x86_64_ (8 CPU) 02:28:24 LINUX RESTART (8 CPU) 02:29:01 AM CPU %user %nice %system %iowait %steal %idle 02:30:01 AM all 10.88 0.00 1.01 0.66 0.06 87.39 02:30:01 AM 0 9.88 0.00 0.65 0.48 0.07 88.91 02:30:01 AM 1 15.28 0.00 1.37 0.62 0.07 82.67 02:30:01 AM 2 23.49 0.00 1.86 0.87 0.08 73.70 02:30:01 AM 3 5.25 0.00 0.92 0.80 0.10 92.93 02:30:01 AM 4 9.84 0.00 0.70 0.72 0.05 88.69 02:30:01 AM 5 7.15 0.00 0.72 0.18 0.03 91.92 02:30:01 AM 6 9.35 0.00 1.17 0.47 0.05 88.97 02:30:01 AM 7 6.81 0.00 0.68 1.13 0.03 91.34 02:31:01 AM all 27.83 0.00 1.57 1.03 0.12 69.45 02:31:01 AM 0 36.93 0.00 1.72 0.27 0.10 60.98 02:31:01 AM 1 20.65 0.00 1.76 1.74 0.12 75.72 02:31:01 AM 2 22.48 0.00 1.86 1.38 0.12 74.17 02:31:01 AM 3 35.04 0.00 1.51 0.92 0.12 62.42 02:31:01 AM 4 21.11 0.00 1.64 0.75 0.10 76.39 02:31:01 AM 5 14.88 0.00 1.04 0.34 0.12 83.63 02:31:01 AM 6 40.62 0.00 1.68 1.08 0.12 56.51 02:31:01 AM 7 30.94 0.00 1.37 1.79 0.13 65.76 02:32:01 AM all 21.84 0.63 3.47 1.49 0.11 72.46 02:32:01 AM 0 17.61 0.02 3.21 0.96 0.12 78.08 02:32:01 AM 1 18.47 2.14 3.69 0.96 0.13 74.60 02:32:01 AM 2 21.88 0.03 3.70 4.78 0.10 69.51 02:32:01 AM 3 30.79 0.12 4.23 1.97 0.12 62.77 02:32:01 AM 4 18.59 2.56 3.31 0.59 0.10 74.84 02:32:01 AM 5 24.52 0.05 3.34 1.40 0.12 70.57 02:32:01 AM 6 23.21 0.07 3.46 0.93 0.12 72.22 02:32:01 AM 7 19.61 0.03 2.82 0.35 0.10 77.08 Average: all 20.17 0.21 2.01 1.06 0.10 76.45 Average: 0 21.48 0.01 1.86 0.57 0.10 75.99 Average: 1 18.13 0.71 2.27 1.11 0.11 77.68 Average: 2 22.62 0.01 2.47 2.33 0.10 72.47 Average: 3 23.68 0.04 2.22 1.23 0.11 72.72 Average: 4 16.50 0.85 1.88 0.69 0.08 80.00 Average: 5 15.49 0.02 1.69 0.64 0.09 82.07 Average: 6 24.36 0.02 2.10 0.82 0.10 72.60 Average: 7 19.10 0.01 1.62 1.09 0.09 78.08