---> uname -a: Linux prd-centos8-docker-4c-4g-18193.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 817 11864 19 3079 14594 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:8a:e0:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.162/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86132sec preferred_lft 86132sec inet6 fe80::f816:3eff:fe8a:e02e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:71:a3:8a:31 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::42:71ff:fea3:8a31/64 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) 06/19/2026 _x86_64_ (4 CPU) 17:42:47 LINUX RESTART (4 CPU) 05:43:01 PM tps rtps wtps bread/s bwrtn/s 05:44:01 PM 255.36 21.89 233.47 5594.80 9141.96 05:45:01 PM 252.29 21.31 230.98 4330.77 15833.15 05:46:01 PM 91.70 1.83 89.87 2812.40 9944.02 05:47:01 PM 106.80 3.27 103.53 468.91 14443.80 Average: 176.54 12.07 164.47 3301.86 12340.75 05:43:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:44:01 PM 13264776 15070932 2874544 17.81 2688 2021328 1124816 6.54 138480 2380160 182864 05:45:01 PM 12254744 14553764 3884576 24.07 2688 2500216 1504732 8.75 220460 3246188 136112 05:46:01 PM 12282388 15006672 3856932 23.90 2688 2916252 1302876 7.58 279708 3126704 221044 05:47:01 PM 12162504 14966120 3976816 24.64 2688 2986496 1195816 6.96 559708 2938952 15704 Average: 12491103 14899372 3648217 22.60 2688 2606073 1282060 7.46 299589 2923001 138931 05:43:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:44:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:44:01 PM eth0 377.93 220.17 1982.55 70.63 0.00 0.00 0.00 0.00 05:44:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:45:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:45:01 PM eth0 338.01 284.34 3339.14 58.84 0.00 0.00 0.00 0.00 05:45:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:46:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:46:01 PM eth0 183.36 111.71 2168.48 33.40 0.00 0.00 0.00 0.00 05:46:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:47:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:47:01 PM eth0 92.49 96.07 48.66 64.92 0.00 0.00 0.00 0.00 05:47:01 PM docker0 19.58 15.99 19.80 6.46 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 247.96 178.08 1884.77 56.95 0.00 0.00 0.00 0.00 Average: docker0 4.89 4.00 4.95 1.61 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) 06/19/2026 _x86_64_ (4 CPU) 17:42:47 LINUX RESTART (4 CPU) 05:43:01 PM CPU %user %nice %system %iowait %steal %idle 05:44:01 PM all 23.63 0.00 2.69 1.17 0.07 72.44 05:44:01 PM 0 30.68 0.00 2.93 0.45 0.08 65.86 05:44:01 PM 1 16.89 0.00 3.16 3.02 0.08 76.85 05:44:01 PM 2 28.19 0.00 2.73 0.75 0.07 68.27 05:44:01 PM 3 18.73 0.00 1.96 0.47 0.05 78.79 05:45:01 PM all 38.15 0.00 2.81 1.39 0.09 57.56 05:45:01 PM 0 35.47 0.00 2.37 1.40 0.08 60.66 05:45:01 PM 1 32.12 0.00 3.60 2.26 0.08 61.94 05:45:01 PM 2 38.22 0.00 2.34 1.09 0.10 58.25 05:45:01 PM 3 46.79 0.00 2.91 0.82 0.10 49.38 05:46:01 PM all 58.23 0.00 3.03 0.42 0.09 38.22 05:46:01 PM 0 61.95 0.00 3.05 0.49 0.10 34.42 05:46:01 PM 1 60.15 0.00 3.72 0.59 0.10 35.44 05:46:01 PM 2 59.63 0.00 1.81 0.05 0.08 38.43 05:46:01 PM 3 51.19 0.00 3.55 0.57 0.08 44.60 05:47:01 PM all 18.09 0.00 2.91 0.57 0.06 78.37 05:47:01 PM 0 14.41 0.00 3.06 0.40 0.08 82.04 05:47:01 PM 1 15.09 0.00 2.76 0.64 0.05 81.47 05:47:01 PM 2 20.56 0.00 2.83 0.84 0.05 75.72 05:47:01 PM 3 22.29 0.00 2.98 0.42 0.07 74.24 Average: all 34.52 0.00 2.86 0.89 0.08 61.65 Average: 0 35.63 0.00 2.85 0.69 0.09 60.75 Average: 1 31.05 0.00 3.31 1.63 0.08 63.93 Average: 2 36.65 0.00 2.43 0.68 0.08 60.17 Average: 3 34.74 0.00 2.85 0.57 0.08 61.76