---> uname -a: Linux prd-centos8-docker-4c-4g-1048.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 807 12041 19 2911 14615 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:02:91:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.216/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86162sec preferred_lft 86162sec inet6 fe80::f816:3eff:fe02:9159/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:05:44:74:c6 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) 07/22/2026 _x86_64_ (4 CPU) 22:26:51 LINUX RESTART (4 CPU) 10:27:01 PM tps rtps wtps bread/s bwrtn/s 10:28:01 PM 346.50 54.22 292.29 7966.81 44053.90 10:29:01 PM 272.14 19.31 252.83 4116.36 16389.04 10:30:01 PM 39.27 1.73 37.54 64.91 7948.27 Average: 219.30 25.09 194.22 4049.36 22797.07 10:27:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:28:01 PM 13271288 15047492 2868032 17.77 2688 1992372 1184500 6.89 139348 2376136 169464 10:29:01 PM 11510604 13891780 4628716 28.68 2688 2581976 2360732 13.73 236552 3968116 228996 10:30:01 PM 11391008 13776320 4748312 29.42 2688 2585868 2360392 13.73 250520 4069632 912 Average: 12057633 14238531 4081687 25.29 2688 2386739 1968541 11.45 208807 3471295 133124 10:27:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:28:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:28:01 PM eth0 419.58 222.49 1800.53 72.98 0.00 0.00 0.00 0.00 10:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:29:01 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 10:29:01 PM eth0 405.01 298.68 4957.26 53.68 0.00 0.00 0.00 0.00 10:29:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 PM lo 25.51 25.51 5.12 5.12 0.00 0.00 0.00 0.00 10:30:01 PM eth0 17.53 11.85 5.44 14.34 0.00 0.00 0.00 0.00 10:30:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 8.55 8.55 1.71 1.71 0.00 0.00 0.00 0.00 Average: eth0 280.71 177.67 2254.41 47.00 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) 07/22/2026 _x86_64_ (4 CPU) 22:26:51 LINUX RESTART (4 CPU) 10:27:01 PM CPU %user %nice %system %iowait %steal %idle 10:28:01 PM all 26.69 0.00 4.37 2.49 0.08 66.37 10:28:01 PM 0 13.80 0.00 4.23 3.19 0.08 78.70 10:28:01 PM 1 36.29 0.00 4.64 1.83 0.08 57.17 10:28:01 PM 2 30.34 0.00 4.87 3.68 0.07 61.04 10:28:01 PM 3 26.32 0.00 3.75 1.26 0.08 68.59 10:29:01 PM all 46.96 0.00 2.98 1.38 0.10 48.58 10:29:01 PM 0 42.02 0.00 3.01 1.73 0.10 53.14 10:29:01 PM 1 40.05 0.00 2.76 1.19 0.12 55.89 10:29:01 PM 2 54.22 0.00 3.26 1.46 0.10 40.97 10:29:01 PM 3 51.57 0.00 2.88 1.15 0.08 44.31 10:30:01 PM all 22.28 0.00 0.70 0.30 0.07 76.65 10:30:01 PM 0 11.76 0.00 1.07 0.82 0.08 86.27 10:30:01 PM 1 28.36 0.00 0.48 0.00 0.05 71.11 10:30:01 PM 2 29.42 0.00 0.20 0.08 0.05 70.24 10:30:01 PM 3 19.58 0.00 1.05 0.28 0.08 79.00 Average: all 31.98 0.00 2.68 1.39 0.08 63.87 Average: 0 22.52 0.00 2.77 1.91 0.09 72.71 Average: 1 34.90 0.00 2.62 1.00 0.08 61.39 Average: 2 37.99 0.00 2.77 1.74 0.07 57.43 Average: 3 32.48 0.00 2.56 0.90 0.08 63.98