---> uname -a: Linux prd-centos8-docker-4c-4g-5773.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1116 10719 20 3924 14294 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:f0:9b:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.201/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86120sec preferred_lft 86120sec inet6 fe80::f816:3eff:fef0:9b12/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ef:3e:43:30 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:efff:fe3e:4330/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 09/28/2026 _x86_64_ (4 CPU) 05:27:03 LINUX RESTART (4 CPU) 05:28:01 AM tps rtps wtps bread/s bwrtn/s 05:29:01 AM 247.09 6.05 241.04 778.14 16286.52 05:30:01 AM 204.58 1.92 202.67 469.12 32284.42 05:31:01 AM 1122.32 95.10 1027.22 1697.55 26611.88 Average: 524.73 34.36 490.37 981.68 25061.11 05:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:29:01 AM 11398732 13620068 4740584 29.37 2688 2423728 2676336 15.57 202900 4110544 213404 05:30:01 AM 10447420 13895452 5691896 35.27 2688 3528056 1943536 11.31 423184 4591036 472216 05:31:01 AM 9145776 12745352 6993540 43.33 2688 3590052 2040372 11.87 473312 5597208 4408 Average: 10330643 13420291 5808673 35.99 2688 3180612 2220081 12.92 366465 4766263 230009 05:28:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:29:01 AM eth0 350.96 283.45 4042.79 50.31 0.00 0.00 0.00 0.00 05:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:01 AM lo 6.13 6.13 4.52 4.52 0.00 0.00 0.00 0.00 05:30:01 AM eth0 308.57 230.61 3994.28 1217.03 0.00 0.00 0.00 0.00 05:30:01 AM docker0 3.37 3.13 4.09 0.45 0.00 0.00 0.00 0.00 05:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:31:01 AM eth0 5.15 4.01 58.78 1.19 0.00 0.00 0.00 0.00 05:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.04 2.04 1.51 1.51 0.00 0.00 0.00 0.00 Average: eth0 221.53 172.67 2698.32 422.80 0.00 0.00 0.00 0.00 Average: docker0 1.12 1.04 1.36 0.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 09/28/2026 _x86_64_ (4 CPU) 05:27:03 LINUX RESTART (4 CPU) 05:28:01 AM CPU %user %nice %system %iowait %steal %idle 05:29:01 AM all 35.82 0.00 2.64 1.34 0.03 60.17 05:29:01 AM 0 37.04 0.00 3.04 1.57 0.03 58.31 05:29:01 AM 1 37.41 0.00 2.63 1.82 0.02 58.12 05:29:01 AM 2 37.24 0.00 2.93 1.07 0.02 58.74 05:29:01 AM 3 31.59 0.00 1.97 0.90 0.03 65.50 05:30:01 AM all 37.28 0.07 7.83 1.07 0.02 53.73 05:30:01 AM 0 43.74 0.03 8.67 0.56 0.02 46.98 05:30:01 AM 1 35.43 0.07 8.63 1.79 0.02 54.07 05:30:01 AM 2 33.55 0.08 6.56 0.91 0.03 58.86 05:30:01 AM 3 36.40 0.10 7.45 1.02 0.02 55.01 05:31:01 AM all 35.96 0.00 4.55 7.49 0.03 51.97 05:31:01 AM 0 64.71 0.00 4.81 8.30 0.07 22.12 05:31:01 AM 1 22.03 0.00 4.49 7.79 0.00 65.69 05:31:01 AM 2 23.39 0.00 4.33 6.95 0.02 65.31 05:31:01 AM 3 33.72 0.00 4.57 6.94 0.02 54.75 Average: all 36.35 0.02 4.99 3.31 0.02 55.30 Average: 0 48.49 0.01 5.49 3.48 0.04 42.49 Average: 1 31.62 0.02 5.23 3.80 0.01 59.31 Average: 2 31.40 0.03 4.60 2.98 0.02 60.97 Average: 3 33.89 0.03 4.65 2.95 0.02 58.44