---> uname -a: Linux prd-centos8-docker-4c-4g-5647.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 768 12090 19 2901 14654 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:02:2c:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.19/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fe02:2c97/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:81:bf:47:a0 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) 05/31/2026 _x86_64_ (4 CPU) 13:22:27 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 189.22 15.03 174.19 3146.01 10595.93 01:25:01 PM 185.19 6.25 178.94 1080.09 17198.02 01:26:01 PM 34.19 3.03 31.16 110.10 753.03 Average: 136.19 8.10 128.09 1445.32 9515.17 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12785580 14887292 3353740 20.78 2688 2307364 1332348 7.75 187476 2768336 233516 01:25:01 PM 11275308 13649228 4864012 30.14 2688 2574516 2489284 14.48 255032 4179468 2372 01:26:01 PM 12435708 15059732 3703612 22.95 2688 2822712 1147032 6.67 352084 2926484 263160 Average: 12165532 14532084 3973788 24.62 2688 2568197 1656221 9.64 264864 3291429 166349 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 172.59 131.88 2088.23 30.81 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 12.43 12.43 3.50 3.50 0.00 0.00 0.00 0.00 01:25:01 PM eth0 308.60 219.86 3731.58 43.73 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 16.43 16.43 2.58 2.58 0.00 0.00 0.00 0.00 01:26:01 PM eth0 70.84 74.96 273.13 930.15 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 9.62 9.62 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 184.00 142.23 2030.88 334.93 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) 05/31/2026 _x86_64_ (4 CPU) 13:22:27 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 26.07 0.00 2.37 0.97 0.08 70.50 01:24:01 PM 0 24.07 0.00 2.09 1.04 0.08 72.72 01:24:01 PM 1 25.12 0.00 2.44 0.52 0.08 71.83 01:24:01 PM 2 29.21 0.00 2.53 1.39 0.08 66.78 01:24:01 PM 3 25.90 0.00 2.43 0.94 0.07 70.67 01:25:01 PM all 48.51 0.00 1.87 1.09 0.08 48.45 01:25:01 PM 0 43.34 0.00 2.68 1.00 0.07 52.92 01:25:01 PM 1 52.31 0.00 1.84 1.32 0.08 44.45 01:25:01 PM 2 55.93 0.00 1.39 0.85 0.08 41.74 01:25:01 PM 3 42.46 0.00 1.57 1.20 0.08 54.68 01:26:01 PM all 15.14 0.00 1.22 0.13 0.06 83.45 01:26:01 PM 0 13.26 0.00 0.80 0.00 0.07 85.88 01:26:01 PM 1 15.61 0.00 1.19 0.05 0.07 83.09 01:26:01 PM 2 15.55 0.00 1.32 0.33 0.05 82.75 01:26:01 PM 3 16.16 0.00 1.57 0.12 0.07 82.08 Average: all 29.91 0.00 1.82 0.73 0.07 67.47 Average: 0 26.88 0.00 1.85 0.68 0.07 70.52 Average: 1 31.02 0.00 1.82 0.63 0.08 66.45 Average: 2 33.57 0.00 1.75 0.86 0.07 63.75 Average: 3 28.17 0.00 1.86 0.75 0.07 69.15