---> uname -a: Linux prd-centos8-docker-4c-4g-3747.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 1083 10752 19 3925 14328 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:75:5f:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.72/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86109sec preferred_lft 86109sec inet6 fe80::f816:3eff:fe75:5f17/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b6:e5:dc:e0 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:b6ff:fee5:dce0/64 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) 12:26:14 LINUX RESTART (4 CPU) 12:27:01 PM tps rtps wtps bread/s bwrtn/s 12:28:01 PM 245.96 5.73 240.23 739.50 14195.25 12:29:01 PM 230.66 2.25 228.41 504.63 36088.05 12:30:01 PM 1042.14 95.08 947.05 1697.57 25875.14 12:31:01 PM 70.98 23.88 47.10 475.97 3212.45 Average: 397.43 31.73 365.69 854.41 19842.49 12:27:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:28:01 PM 12121048 14323468 4018272 24.90 2688 2404900 1759080 10.23 184948 3416052 274984 12:29:01 PM 10855956 14018484 5283364 32.74 2688 3294372 1950212 11.35 352952 4343444 182260 12:30:01 PM 9647632 13244504 6491688 40.22 2688 3586528 2037964 11.86 402300 5178524 6756 12:31:01 PM 11004188 14661984 5135132 31.82 2688 3642392 1271036 7.39 621296 3610560 8340 Average: 10907206 14062110 5232114 32.42 2688 3232048 1754573 10.21 390374 4137145 118085 12:27:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:28:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:28:01 PM eth0 316.41 243.43 3995.79 38.65 0.00 0.00 0.00 0.00 12:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:29:01 PM lo 6.33 6.33 4.61 4.61 0.00 0.00 0.00 0.00 12:29:01 PM eth0 226.56 181.57 3661.37 30.17 0.00 0.00 0.00 0.00 12:29:01 PM docker0 3.38 3.30 4.09 0.46 0.00 0.00 0.00 0.00 12:30:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 PM eth0 46.85 25.12 561.47 4.70 0.00 0.00 0.00 0.00 12:30:01 PM docker0 0.00 0.00 0.00 0.00 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 21.38 18.31 54.08 7.03 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 1.58 1.58 1.15 1.15 0.00 0.00 0.00 0.00 Average: eth0 152.81 117.11 2068.26 20.14 0.00 0.00 0.00 0.00 Average: docker0 0.85 0.82 1.02 0.12 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) 12:26:14 LINUX RESTART (4 CPU) 12:27:01 PM CPU %user %nice %system %iowait %steal %idle 12:28:01 PM all 33.55 0.00 2.83 1.11 0.08 62.43 12:28:01 PM 0 42.59 0.00 4.08 1.00 0.10 52.22 12:28:01 PM 1 29.89 0.00 2.66 1.50 0.08 65.86 12:28:01 PM 2 28.58 0.00 2.69 1.12 0.08 67.52 12:28:01 PM 3 33.09 0.00 1.89 0.80 0.07 64.15 12:29:01 PM all 45.89 0.11 7.04 1.52 0.11 45.32 12:29:01 PM 0 50.81 0.07 6.57 0.68 0.10 41.77 12:29:01 PM 1 44.49 0.13 6.87 1.16 0.12 47.22 12:29:01 PM 2 44.47 0.20 8.34 2.19 0.12 44.68 12:29:01 PM 3 43.79 0.05 6.38 2.05 0.10 47.62 12:30:01 PM all 30.95 0.00 8.28 7.22 0.10 53.45 12:30:01 PM 0 31.90 0.00 8.70 8.57 0.10 50.73 12:30:01 PM 1 51.78 0.00 8.10 4.46 0.10 35.56 12:30:01 PM 2 22.74 0.00 8.20 7.89 0.08 61.09 12:30:01 PM 3 17.31 0.00 8.12 7.95 0.12 66.50 12:31:01 PM all 35.36 0.00 2.38 0.45 0.08 61.72 12:31:01 PM 0 39.96 0.00 2.10 0.48 0.08 57.37 12:31:01 PM 1 22.40 0.00 2.14 0.65 0.08 74.73 12:31:01 PM 2 31.53 0.00 2.32 0.38 0.08 65.68 12:31:01 PM 3 47.55 0.00 2.96 0.28 0.08 49.12 Average: all 36.43 0.03 5.12 2.56 0.09 55.77 Average: 0 41.32 0.02 5.35 2.67 0.10 50.55 Average: 1 37.08 0.03 4.93 1.94 0.10 55.92 Average: 2 31.82 0.05 5.37 2.88 0.09 59.79 Average: 3 35.47 0.01 4.82 2.76 0.09 56.85