---> uname -a: Linux prd-centos8-docker-4c-4g-14672.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 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 827 12032 19 2901 14596 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:6a:33:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.128/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86154sec preferred_lft 86154sec inet6 fe80::f816:3eff:fe6a:3327/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0e:b5:b4:f2 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) 08/01/2026 _x86_64_ (4 CPU) 13:22:56 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 277.91 18.37 259.54 4007.73 16323.52 01:26:01 PM 47.18 2.78 44.40 268.04 8581.59 01:27:02 PM 46.88 1.68 45.19 123.98 9469.22 Average: 124.00 7.61 116.39 1466.80 11458.49 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 11859892 14222396 4279428 26.52 2688 2563436 2002272 11.65 220520 3637720 244868 01:26:01 PM 11016832 13391060 5122488 31.74 2688 2574764 2780764 16.18 254328 4440608 908 01:27:02 PM 12289404 14914744 3849916 23.85 2688 2823252 1239336 7.21 538796 2885412 8480 Average: 11722043 14176067 4417277 27.37 2688 2653817 2007457 11.68 337881 3654580 84752 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 425.85 300.38 4920.49 58.29 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 24.71 24.71 5.04 5.04 0.00 0.00 0.00 0.00 01:26:01 PM eth0 29.74 20.38 14.97 20.18 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 01:27:02 PM lo 4.32 4.32 1.04 1.04 0.00 0.00 0.00 0.00 01:27:02 PM eth0 69.67 75.22 279.87 928.72 0.00 0.00 0.00 0.00 01:27:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.67 9.67 2.03 2.03 0.00 0.00 0.00 0.00 Average: eth0 175.11 132.01 1738.70 335.68 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) 08/01/2026 _x86_64_ (4 CPU) 13:22:56 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 37.48 0.00 3.05 1.77 0.10 57.61 01:25:01 PM 0 30.58 0.00 3.02 1.89 0.10 64.41 01:25:01 PM 1 44.25 0.00 3.46 1.86 0.10 50.33 01:25:01 PM 2 42.16 0.00 3.79 2.38 0.10 51.58 01:25:01 PM 3 32.97 0.00 1.93 0.94 0.08 64.08 01:26:01 PM all 33.79 0.00 0.81 0.28 0.07 65.06 01:26:01 PM 0 32.47 0.00 1.29 0.42 0.05 65.78 01:26:01 PM 1 19.29 0.00 1.15 0.64 0.07 78.86 01:26:01 PM 2 40.96 0.00 0.42 0.02 0.08 58.52 01:26:01 PM 3 42.39 0.00 0.38 0.05 0.07 57.11 01:27:02 PM all 23.34 0.00 1.93 0.33 0.05 74.35 01:27:02 PM 0 11.29 0.00 1.42 0.73 0.05 86.51 01:27:02 PM 1 21.75 0.00 1.49 0.02 0.05 76.69 01:27:02 PM 2 41.52 0.00 2.49 0.27 0.07 55.66 01:27:02 PM 3 18.84 0.00 2.32 0.28 0.05 78.50 Average: all 31.53 0.00 1.93 0.79 0.07 65.68 Average: 0 24.77 0.00 1.91 1.01 0.07 72.24 Average: 1 28.43 0.00 2.03 0.84 0.07 68.63 Average: 2 41.55 0.00 2.23 0.89 0.08 55.25 Average: 3 31.41 0.00 1.54 0.42 0.07 66.56