---> uname -a: Linux prd-centos8-docker-4c-4g-1271.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 838 12011 19 2911 14585 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:b8:1e:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.233/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:feb8:1e18/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:bc:98:c4:9c 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) 07/20/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 166.69 14.98 151.72 3116.69 10558.56 01:25:01 PM 195.25 6.27 188.99 1080.49 17321.26 01:26:01 PM 33.13 0.52 32.61 17.20 918.56 Average: 131.69 7.25 124.44 1404.89 9599.52 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 12770624 14878068 3368696 20.87 2688 2313816 1491256 8.68 187400 2787440 235496 01:25:01 PM 11256756 13641200 4882564 30.25 2688 2585136 2452940 14.27 255976 4198176 8568 01:26:01 PM 12274384 14904836 3864936 23.95 2688 2829740 1229336 7.15 353140 3086992 253228 Average: 12100588 14474701 4038732 25.02 2688 2576231 1724511 10.03 265505 3357536 165764 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 171.43 121.28 2075.04 27.70 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 12.30 12.30 3.48 3.48 0.00 0.00 0.00 0.00 01:25:01 PM eth0 366.32 241.38 3790.92 57.45 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 16.51 16.51 2.59 2.59 0.00 0.00 0.00 0.00 01:26:01 PM eth0 65.36 51.64 273.85 24.19 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 9.60 9.60 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 201.03 138.10 2046.60 36.45 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) 07/20/2026 _x86_64_ (4 CPU) 13:22:24 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 24.85 0.00 2.49 0.74 0.10 71.82 01:24:01 PM 0 14.70 0.00 1.71 0.50 0.10 83.00 01:24:01 PM 1 49.82 0.00 4.88 1.15 0.13 44.02 01:24:01 PM 2 17.48 0.00 1.81 0.72 0.08 79.90 01:24:01 PM 3 17.39 0.00 1.57 0.57 0.08 80.38 01:25:01 PM all 54.38 0.00 2.16 0.95 0.12 42.39 01:25:01 PM 0 43.39 0.00 2.41 0.97 0.10 53.13 01:25:01 PM 1 51.59 0.00 3.47 1.47 0.12 43.35 01:25:01 PM 2 56.93 0.00 1.41 0.59 0.13 40.94 01:25:01 PM 3 65.58 0.00 1.37 0.75 0.12 32.19 01:26:01 PM all 14.61 0.00 1.13 0.11 0.06 84.08 01:26:01 PM 0 11.70 0.00 0.88 0.08 0.07 87.27 01:26:01 PM 1 22.38 0.00 1.77 0.32 0.07 75.46 01:26:01 PM 2 11.87 0.00 1.21 0.03 0.07 86.83 01:26:01 PM 3 12.49 0.00 0.67 0.02 0.05 86.77 Average: all 31.27 0.00 1.93 0.60 0.09 66.11 Average: 0 23.24 0.00 1.67 0.52 0.09 74.48 Average: 1 41.25 0.00 3.37 0.98 0.11 54.29 Average: 2 28.77 0.00 1.47 0.45 0.09 69.22 Average: 3 31.83 0.00 1.20 0.45 0.08 66.44