---> uname -a: Linux prd-centos8-docker-4c-4g-1792.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1015 10974 19 3773 14398 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:55:4f:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.209/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86085sec preferred_lft 86085sec inet6 fe80::f816:3eff:fe55:4f04/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ba:62:4f:22 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:baff:fe62:4f22/64 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) 03/04/2026 _x86_64_ (4 CPU) 17:10:31 LINUX RESTART (4 CPU) 05:11:01 PM tps rtps wtps bread/s bwrtn/s 05:12:01 PM 255.62 7.23 248.39 1040.76 7243.76 05:13:01 PM 293.32 5.15 288.17 883.84 28820.99 05:14:01 PM 1006.03 1.52 1004.52 77.17 33905.10 05:15:01 PM 220.59 112.54 108.04 1993.87 5636.11 Average: 443.88 31.62 412.26 998.99 18900.87 05:11:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:12:01 PM 13129048 14973924 3012476 18.66 2688 2055508 1423200 8.28 152688 2488448 227760 05:13:01 PM 9948656 12386896 6192868 38.37 2688 2632400 4409736 25.65 289024 5444236 1400 05:14:01 PM 10473188 13849408 5668336 35.12 2688 3379676 1771980 10.31 365648 4419428 101348 05:15:01 PM 10198904 13669344 5942620 36.82 2688 3464612 1973948 11.48 434072 4602508 28 Average: 10937449 13719893 5204075 32.24 2688 2883049 2394716 13.93 310358 4238655 82634 05:11:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:12:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:12:01 PM eth0 158.41 101.47 1471.96 35.40 0.00 0.00 0.00 0.00 05:12:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM lo 3.28 3.28 1.55 1.55 0.00 0.00 0.00 0.00 05:13:01 PM eth0 434.24 304.78 5295.37 38.54 0.00 0.00 0.00 0.00 05:13:01 PM docker0 1.92 1.85 1.25 0.30 0.00 0.00 0.00 0.00 05:13:01 PM veth142ec52 0.10 0.35 0.01 0.03 0.00 0.00 0.00 0.00 05:13:01 PM vethc031ded 1.82 1.77 1.27 0.29 0.00 0.00 0.00 0.00 05:14:01 PM lo 3.18 3.18 3.02 3.02 0.00 0.00 0.00 0.00 05:14:01 PM eth0 376.91 225.77 1822.59 42.35 0.00 0.00 0.00 0.00 05:14:01 PM docker0 1.38 1.45 2.84 0.16 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 5.96 4.30 58.87 0.98 0.00 0.00 0.00 0.00 05:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.62 1.62 1.14 1.14 0.00 0.00 0.00 0.00 Average: eth0 243.86 159.07 2162.05 29.32 0.00 0.00 0.00 0.00 Average: docker0 0.82 0.82 1.02 0.12 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) 03/04/2026 _x86_64_ (4 CPU) 17:10:31 LINUX RESTART (4 CPU) 05:11:01 PM CPU %user %nice %system %iowait %steal %idle 05:12:01 PM all 22.85 0.00 2.35 1.20 0.08 73.51 05:12:01 PM 0 14.63 0.00 2.39 2.49 0.08 80.40 05:12:01 PM 1 37.39 0.00 2.79 0.77 0.08 58.97 05:12:01 PM 2 17.12 0.00 2.04 1.06 0.08 79.70 05:12:01 PM 3 22.24 0.00 2.19 0.49 0.08 75.00 05:13:01 PM all 37.91 0.10 3.59 2.74 0.13 55.53 05:13:01 PM 0 38.03 0.13 3.60 1.71 0.13 56.39 05:13:01 PM 1 36.80 0.10 3.93 1.63 0.13 57.40 05:13:01 PM 2 38.87 0.07 3.64 5.40 0.13 51.89 05:13:01 PM 3 37.96 0.10 3.19 2.20 0.12 56.43 05:14:01 PM all 31.16 0.00 10.18 7.58 0.11 50.97 05:14:01 PM 0 30.00 0.00 9.28 6.37 0.12 54.23 05:14:01 PM 1 25.74 0.00 10.62 9.87 0.10 53.67 05:14:01 PM 2 43.19 0.00 12.48 7.86 0.12 36.36 05:14:01 PM 3 25.74 0.00 8.35 6.23 0.12 59.57 05:15:01 PM all 38.35 0.00 1.85 2.92 0.11 56.77 05:15:01 PM 0 26.83 0.00 1.67 1.61 0.10 69.79 05:15:01 PM 1 54.58 0.00 1.99 3.16 0.13 40.13 05:15:01 PM 2 49.14 0.00 2.56 5.09 0.12 43.09 05:15:01 PM 3 22.82 0.00 1.19 1.82 0.10 74.07 Average: all 32.57 0.03 4.47 3.60 0.11 59.23 Average: 0 27.35 0.03 4.22 3.04 0.11 65.25 Average: 1 38.69 0.03 4.81 3.83 0.11 52.53 Average: 2 37.05 0.02 5.15 4.84 0.11 52.83 Average: 3 27.18 0.03 3.72 2.67 0.11 66.30