---> uname -a: Linux prd-centos8-docker-8c-8g-4867.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 1082 26480 19 4327 30340 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:77:77:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.159/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86154sec preferred_lft 86154sec inet6 fe80::f816:3eff:fe77:77fa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:57:86:7e:c4 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::42:57ff:fe86:7ec4/64 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) 04/22/2026 _x86_64_ (8 CPU) 12:57:10 LINUX RESTART (8 CPU) 12:58:01 PM tps rtps wtps bread/s bwrtn/s 12:59:01 PM 297.53 19.11 278.42 7729.29 14697.77 01:00:01 PM 177.54 16.51 161.02 2044.06 40684.44 01:01:01 PM 231.46 0.43 231.02 107.03 12373.86 Average: 235.51 12.02 223.49 3293.53 22584.35 12:58:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:59:01 PM 28331820 30681216 4323892 13.24 2688 2661864 1868528 5.54 286640 3553492 317828 01:00:01 PM 25799000 29067328 6856712 21.00 2688 3562312 5257856 15.60 537792 5751216 1728 01:01:01 PM 27186448 31136564 5469264 16.75 2688 4237932 1470788 4.36 828028 4068520 364196 Average: 27105756 30295036 5549956 17.00 2688 3487369 2865724 8.50 550820 4457743 227917 12:58:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:59:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:59:01 PM eth0 493.92 373.28 6052.09 55.85 0.00 0.00 0.00 0.00 12:59:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 PM eth0 1195.80 333.01 7337.76 31.61 0.00 0.00 0.00 0.00 01:00:01 PM docker0 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 01:00:01 PM veth28cad3c 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 01:01:01 PM lo 12.86 12.86 1.35 1.35 0.00 0.00 0.00 0.00 01:01:01 PM eth0 170.84 131.69 1726.17 37.14 0.00 0.00 0.00 0.00 01:01:01 PM docker0 4.80 5.80 0.65 0.67 0.00 0.00 0.00 0.00 Average: lo 4.29 4.29 0.45 0.45 0.00 0.00 0.00 0.00 Average: eth0 620.16 279.32 5038.54 41.53 0.00 0.00 0.00 0.00 Average: docker0 1.60 1.97 0.22 0.23 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) 04/22/2026 _x86_64_ (8 CPU) 12:57:10 LINUX RESTART (8 CPU) 12:58:01 PM CPU %user %nice %system %iowait %steal %idle 12:59:01 PM all 17.73 0.00 1.80 0.86 0.09 79.52 12:59:01 PM 0 13.78 0.00 2.21 1.40 0.10 82.51 12:59:01 PM 1 16.67 0.00 1.57 0.72 0.08 80.95 12:59:01 PM 2 20.76 0.00 2.16 0.90 0.10 76.08 12:59:01 PM 3 17.10 0.00 2.17 0.47 0.07 80.19 12:59:01 PM 4 13.92 0.00 1.86 0.85 0.08 83.29 12:59:01 PM 5 17.35 0.00 1.30 0.75 0.10 80.50 12:59:01 PM 6 25.42 0.00 1.84 0.89 0.10 71.76 12:59:01 PM 7 16.88 0.00 1.30 0.87 0.07 80.88 01:00:01 PM all 31.64 0.28 2.56 0.86 0.14 64.52 01:00:01 PM 0 30.59 0.00 2.42 0.71 0.13 66.15 01:00:01 PM 1 21.41 0.00 2.32 1.26 0.15 74.86 01:00:01 PM 2 35.61 0.05 2.73 1.55 0.13 59.92 01:00:01 PM 3 13.03 0.00 2.15 0.55 0.13 84.12 01:00:01 PM 4 25.34 2.17 2.86 2.24 0.12 67.27 01:00:01 PM 5 39.30 0.00 3.41 0.05 0.15 57.10 01:00:01 PM 6 41.71 0.00 2.26 0.03 0.14 55.86 01:00:01 PM 7 46.13 0.00 2.37 0.52 0.13 50.85 01:01:01 PM all 21.68 0.07 2.38 0.61 0.09 75.17 01:01:01 PM 0 14.75 0.03 2.56 0.59 0.08 81.98 01:01:01 PM 1 34.43 0.00 2.63 0.79 0.10 62.05 01:01:01 PM 2 14.86 0.03 2.48 0.07 0.08 82.48 01:01:01 PM 3 26.54 0.02 2.21 0.22 0.08 70.93 01:01:01 PM 4 15.21 0.07 1.93 0.05 0.08 82.66 01:01:01 PM 5 23.23 0.37 2.34 0.97 0.10 72.99 01:01:01 PM 6 21.95 0.00 2.02 0.28 0.08 75.65 01:01:01 PM 7 22.43 0.03 2.87 1.95 0.07 72.66 Average: all 23.67 0.12 2.25 0.78 0.10 73.09 Average: 0 19.69 0.01 2.40 0.90 0.11 76.90 Average: 1 24.17 0.00 2.17 0.92 0.11 72.62 Average: 2 23.72 0.03 2.45 0.84 0.11 72.85 Average: 3 18.90 0.01 2.18 0.41 0.09 78.41 Average: 4 18.15 0.74 2.21 1.05 0.10 77.75 Average: 5 26.61 0.12 2.35 0.59 0.12 70.21 Average: 6 29.66 0.00 2.04 0.40 0.11 67.79 Average: 7 28.46 0.01 2.18 1.11 0.09 68.15