---> uname -a: Linux prd-centos8-docker-4c-4g-3749.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 12G 69G 15% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 1012 10825 19 3923 14399 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:fc:bd:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.82/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86114sec preferred_lft 86114sec inet6 fe80::f816:3eff:fefc:bdee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:0a:8c:5b:18 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 inet6 fe80::42:aff:fe8c:5b18/64 scope link 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) 08/03/2026 _x86_64_ (4 CPU) 12:26:55 LINUX RESTART (4 CPU) 12:28:01 PM tps rtps wtps bread/s bwrtn/s 12:29:01 PM 270.28 5.81 264.46 769.48 22599.42 12:30:01 PM 492.73 2.30 490.43 470.19 37757.69 12:31:01 PM 647.80 112.70 535.10 1994.27 14868.29 Average: 470.27 40.27 430.00 1078.01 25074.43 12:28:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:29:01 PM 11528156 13750064 4611164 28.57 2688 2423132 2477572 14.41 208460 3975136 12 12:30:01 PM 10382480 13872604 5756840 35.67 2688 3526300 1876892 10.92 353728 4632364 266904 12:31:01 PM 10042292 13664500 6097028 37.78 2688 3610744 2075300 12.07 421752 4775756 16976 Average: 10650976 13762389 5488344 34.01 2688 3186725 2143255 12.47 327980 4461085 94631 12:28:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:29:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM eth0 333.69 261.35 3961.00 42.85 0.00 0.00 0.00 0.00 12:29:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM lo 6.37 6.37 4.55 4.55 0.00 0.00 0.00 0.00 12:30:01 PM eth0 344.81 220.33 3988.59 33.78 0.00 0.00 0.00 0.00 12:30:01 PM docker0 3.57 3.32 4.10 0.46 0.00 0.00 0.00 0.00 12:31:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:31:01 PM eth0 5.28 4.45 58.90 1.05 0.00 0.00 0.00 0.00 12:31:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.12 2.12 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 227.92 162.04 2669.42 25.89 0.00 0.00 0.00 0.00 Average: docker0 1.19 1.11 1.37 0.15 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) 08/03/2026 _x86_64_ (4 CPU) 12:26:55 LINUX RESTART (4 CPU) 12:28:01 PM CPU %user %nice %system %iowait %steal %idle 12:29:01 PM all 37.34 0.00 2.46 4.10 0.11 55.99 12:29:01 PM 0 50.55 0.00 3.13 3.56 0.10 42.65 12:29:01 PM 1 32.83 0.00 1.96 1.84 0.12 63.26 12:29:01 PM 2 33.43 0.00 2.70 6.33 0.10 57.44 12:29:01 PM 3 32.55 0.00 2.06 4.67 0.12 60.61 12:30:01 PM all 35.92 0.09 9.11 4.36 0.13 50.39 12:30:01 PM 0 30.65 0.02 8.57 2.64 0.12 58.00 12:30:01 PM 1 45.67 0.03 9.59 2.86 0.14 41.70 12:30:01 PM 2 31.64 0.19 10.41 7.17 0.10 50.49 12:30:01 PM 3 35.72 0.12 7.89 4.77 0.15 51.35 12:31:01 PM all 36.78 0.00 3.43 6.55 0.12 53.12 12:31:01 PM 0 75.26 0.00 4.56 8.35 0.13 11.69 12:31:01 PM 1 24.17 0.00 3.37 5.93 0.10 66.43 12:31:01 PM 2 22.33 0.00 3.44 8.18 0.13 65.91 12:31:01 PM 3 25.32 0.00 2.35 3.74 0.12 68.47 Average: all 36.68 0.03 4.98 5.00 0.12 53.19 Average: 0 52.26 0.01 5.40 4.86 0.12 37.36 Average: 1 34.16 0.01 4.94 3.55 0.12 57.22 Average: 2 29.12 0.06 5.48 7.23 0.11 58.00 Average: 3 31.17 0.04 4.08 4.39 0.13 60.19