---> uname -a: Linux prd-centos8-docker-4c-4g-6409.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: 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): 0-3 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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 818 12121 19 2823 14610 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:81:c9:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.181/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fe81:c979/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:87:65:84:13 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) 04/27/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 188.14 15.16 172.98 3250.78 10233.86 01:25:01 PM 177.17 6.22 170.95 1056.09 15150.07 01:26:01 PM 29.75 0.45 29.30 16.00 744.23 Average: 131.69 7.28 124.41 1441.06 8709.47 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12802980 14829016 3338552 20.68 2688 2234112 1385560 8.06 187176 2760220 179332 01:25:01 PM 11449132 13746100 4692400 29.07 2688 2500172 2338716 13.61 255052 4020036 8568 01:26:01 PM 12395588 14938372 3745944 23.21 2688 2744620 1192588 6.94 351052 2980356 253000 Average: 12215900 14504496 3925632 24.32 2688 2492968 1638955 9.53 264427 3253537 146967 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 160.18 126.79 1960.05 29.11 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 11.86 11.86 3.44 3.44 0.00 0.00 0.00 0.00 01:25:01 PM eth0 363.64 243.44 3750.81 57.28 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 16.75 16.75 2.62 2.62 0.00 0.00 0.00 0.00 01:26:01 PM eth0 61.79 49.21 271.41 26.56 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.54 9.54 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 195.20 139.81 1994.09 37.65 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) 04/27/2026 _x86_64_ (4 CPU) 13:22:23 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.00 0.00 2.48 1.04 0.10 70.38 01:24:01 PM 0 26.34 0.00 2.71 1.17 0.10 69.68 01:24:01 PM 1 25.85 0.00 2.34 0.99 0.10 70.72 01:24:01 PM 2 32.23 0.00 2.98 1.36 0.13 63.30 01:24:01 PM 3 19.55 0.00 1.89 0.65 0.08 77.82 01:25:01 PM all 49.97 0.00 1.95 1.00 0.12 46.95 01:25:01 PM 0 43.02 0.00 2.36 1.34 0.12 53.16 01:25:01 PM 1 40.56 0.00 2.84 1.56 0.12 54.93 01:25:01 PM 2 61.56 0.00 1.19 0.62 0.12 36.52 01:25:01 PM 3 54.74 0.00 1.42 0.48 0.13 43.23 01:26:01 PM all 15.03 0.00 1.07 0.19 0.06 83.65 01:26:01 PM 0 14.57 0.00 0.53 0.02 0.07 84.81 01:26:01 PM 1 11.68 0.00 1.22 0.13 0.05 86.92 01:26:01 PM 2 16.99 0.00 0.99 0.07 0.07 81.89 01:26:01 PM 3 16.89 0.00 1.52 0.55 0.07 80.97 Average: all 30.33 0.00 1.83 0.74 0.10 67.00 Average: 0 27.96 0.00 1.87 0.84 0.09 69.24 Average: 1 26.02 0.00 2.13 0.89 0.09 70.86 Average: 2 36.93 0.00 1.72 0.68 0.11 60.56 Average: 3 30.41 0.00 1.61 0.56 0.09 67.32