---> uname -a: Linux prd-centos8-docker-4c-4g-1494.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 1028 10796 19 3935 14382 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:42:ff:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.198/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86089sec preferred_lft 86089sec inet6 fe80::f816:3eff:fe42:ff2e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:46:43:de:0a 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::42:46ff:fe43:de0a/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) 07/21/2026 _x86_64_ (4 CPU) 08:50:27 LINUX RESTART (4 CPU) 08:51:01 AM tps rtps wtps bread/s bwrtn/s 08:52:01 AM 158.86 2.13 156.73 324.03 9750.50 08:53:01 AM 237.12 6.18 230.94 939.82 29004.83 08:54:01 AM 1108.05 72.06 1035.99 1351.82 38119.64 08:55:01 AM 95.63 46.53 49.11 794.53 2332.51 Average: 399.93 31.72 368.21 852.55 19802.60 08:51:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:52:01 AM 12716516 14761572 3422804 21.21 2688 2251384 1537716 8.95 157048 2870656 285532 08:53:01 AM 10715784 13312352 5423536 33.60 2688 2787768 3140532 18.27 308156 4647476 3488 08:54:01 AM 10302244 13897688 5837076 36.17 2688 3586076 1882148 10.95 400776 4536640 26080 08:55:01 AM 11104144 14761972 5035176 31.20 2688 3644032 1173008 6.82 607348 3529708 38164 Average: 11209672 14183396 4929648 30.54 2688 3067315 1933351 11.25 368332 3896120 88316 08:51:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:52:01 AM eth0 178.92 137.29 2344.25 27.36 0.00 0.00 0.00 0.00 08:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:53:01 AM lo 6.05 6.05 4.55 4.55 0.00 0.00 0.00 0.00 08:53:01 AM eth0 402.08 267.73 4742.76 36.83 0.00 0.00 0.00 0.00 08:53:01 AM docker0 3.18 3.13 4.08 0.45 0.00 0.00 0.00 0.00 08:53:01 AM veth6be15be 0.12 0.37 0.01 0.03 0.00 0.00 0.00 0.00 08:54:01 AM lo 0.18 0.18 0.01 0.01 0.00 0.00 0.00 0.00 08:54:01 AM eth0 185.89 142.64 1866.65 21.23 0.00 0.00 0.00 0.00 08:54:01 AM docker0 0.02 0.03 0.00 0.00 0.00 0.00 0.00 0.00 08:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:55:01 AM eth0 14.98 12.96 44.79 4.44 0.00 0.00 0.00 0.00 08:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.56 1.56 1.14 1.14 0.00 0.00 0.00 0.00 Average: eth0 195.48 140.16 2249.70 22.46 0.00 0.00 0.00 0.00 Average: docker0 0.80 0.79 1.02 0.11 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) 07/21/2026 _x86_64_ (4 CPU) 08:50:27 LINUX RESTART (4 CPU) 08:51:01 AM CPU %user %nice %system %iowait %steal %idle 08:52:01 AM all 23.66 0.00 2.04 0.66 0.10 73.53 08:52:01 AM 0 45.57 0.00 3.42 0.92 0.12 49.97 08:52:01 AM 1 20.20 0.00 1.82 0.48 0.08 77.41 08:52:01 AM 2 18.00 0.00 1.30 0.30 0.08 80.31 08:52:01 AM 3 10.81 0.00 1.61 0.96 0.12 86.51 08:53:01 AM all 45.11 0.09 3.33 1.55 0.13 49.79 08:53:01 AM 0 45.41 0.02 3.46 1.23 0.12 49.76 08:53:01 AM 1 47.52 0.02 3.35 2.20 0.15 46.76 08:53:01 AM 2 49.46 0.17 2.70 0.99 0.13 46.54 08:53:01 AM 3 38.04 0.17 3.82 1.77 0.12 56.10 08:54:01 AM all 25.66 0.00 12.20 9.39 0.15 52.59 08:54:01 AM 0 21.58 0.00 11.89 8.76 0.14 57.63 08:54:01 AM 1 15.78 0.00 11.52 10.06 0.14 62.50 08:54:01 AM 2 34.70 0.00 11.79 9.52 0.21 43.79 08:54:01 AM 3 30.56 0.00 13.61 9.22 0.14 46.47 08:55:01 AM all 44.09 0.00 2.05 0.47 0.12 53.27 08:55:01 AM 0 52.77 0.00 2.24 0.33 0.13 44.52 08:55:01 AM 1 32.30 0.00 1.67 0.28 0.12 65.62 08:55:01 AM 2 63.93 0.00 2.69 0.49 0.12 32.77 08:55:01 AM 3 27.30 0.00 1.59 0.79 0.10 70.22 Average: all 34.67 0.02 4.87 2.99 0.13 57.33 Average: 0 41.43 0.00 5.22 2.78 0.13 50.43 Average: 1 29.00 0.00 4.55 3.22 0.12 63.10 Average: 2 41.55 0.04 4.58 2.79 0.13 50.90 Average: 3 26.65 0.04 5.12 3.16 0.12 64.91