---> uname -a: Linux prd-centos8-docker-4c-4g-5337.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: 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 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 821 12032 19 2907 14602 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:8f:08:cf brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.243/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86165sec preferred_lft 86165sec inet6 fe80::f816:3eff:fe8f:8cf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:55:58:f7:f5 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 08/10/2026 _x86_64_ (4 CPU) 01:26:52 LINUX RESTART (4 CPU) 01:27:03 AM tps rtps wtps bread/s bwrtn/s 01:28:01 AM 329.68 49.35 280.33 8064.25 45215.24 01:29:01 AM 272.51 18.62 253.89 4024.65 15987.67 01:30:01 AM 41.81 2.38 39.43 235.69 7997.50 Average: 213.39 23.16 190.23 4063.98 22818.48 01:27:03 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:28:01 AM 13263332 15043936 2875988 17.82 2688 1996684 1210388 7.04 139168 2383552 170116 01:29:01 AM 11635476 14004764 4503844 27.91 2688 2570464 2180068 12.68 225076 3857488 228524 01:30:01 AM 11278672 13658692 4860648 30.12 2688 2580800 2474948 14.40 250668 4183144 908 Average: 12059160 14235797 4080160 25.28 2688 2382649 1955135 11.38 204971 3474728 133183 01:27:03 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:28:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 AM eth0 395.43 197.90 1851.83 72.13 0.00 0.00 0.00 0.00 01:28:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:29:01 AM eth0 413.28 294.87 4891.57 58.39 0.00 0.00 0.00 0.00 01:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 AM lo 25.06 25.06 5.09 5.09 0.00 0.00 0.00 0.00 01:30:01 AM eth0 38.63 22.98 18.22 22.74 0.00 0.00 0.00 0.00 01:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 8.45 8.45 1.72 1.72 0.00 0.00 0.00 0.00 Average: eth0 281.20 171.64 2258.66 50.85 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 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 08/10/2026 _x86_64_ (4 CPU) 01:26:52 LINUX RESTART (4 CPU) 01:27:03 AM CPU %user %nice %system %iowait %steal %idle 01:28:01 AM all 27.29 0.00 3.81 2.58 0.08 66.24 01:28:01 AM 0 30.38 0.00 4.55 5.33 0.09 59.64 01:28:01 AM 1 28.80 0.00 3.34 0.93 0.09 66.84 01:28:01 AM 2 29.18 0.00 4.19 1.72 0.07 64.85 01:28:01 AM 3 20.81 0.00 3.14 2.34 0.09 73.63 01:29:01 AM all 41.26 0.00 3.09 1.70 0.10 53.84 01:29:01 AM 0 34.58 0.00 3.14 0.95 0.12 61.21 01:29:01 AM 1 39.06 0.00 3.01 1.41 0.10 56.42 01:29:01 AM 2 42.72 0.00 2.29 1.12 0.08 53.79 01:29:01 AM 3 48.69 0.00 3.93 3.33 0.10 43.94 01:30:01 AM all 29.45 0.00 0.77 0.21 0.07 69.49 01:30:01 AM 0 36.26 0.00 0.33 0.02 0.07 63.32 01:30:01 AM 1 21.21 0.00 1.14 0.38 0.07 77.21 01:30:01 AM 2 24.97 0.00 1.30 0.42 0.08 73.23 01:30:01 AM 3 35.38 0.00 0.30 0.03 0.07 64.22 Average: all 32.73 0.00 2.54 1.49 0.08 63.16 Average: 0 33.78 0.00 2.65 2.06 0.09 61.41 Average: 1 29.69 0.00 2.49 0.91 0.08 66.83 Average: 2 32.32 0.00 2.58 1.08 0.08 63.94 Average: 3 35.12 0.00 2.45 1.89 0.08 60.45