---> uname -a: Linux prd-centos8-docker-4c-4g-2246.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 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 770 12190 19 2800 14650 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:81:12:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.84/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86014sec preferred_lft 86014sec inet6 fe80::f816:3eff:fe81:12e5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:2a:8c:c7:86 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) 08/03/2026 _x86_64_ (4 CPU) 11:29:11 LINUX RESTART (4 CPU) 11:30:01 AM tps rtps wtps bread/s bwrtn/s 11:31:01 AM 205.50 18.90 186.60 3467.69 14204.45 11:32:01 AM 116.18 3.08 113.10 762.55 8463.20 11:33:01 AM 46.94 0.05 46.89 1.07 7938.85 11:34:01 AM 4.03 0.00 4.03 0.00 338.68 11:35:01 AM 6.50 2.80 3.70 136.91 261.97 Average: 75.83 4.97 70.86 873.52 6241.73 11:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:31:01 AM 12685512 14850856 3453808 21.40 2688 2369648 1265152 7.36 166908 2881896 162028 11:32:01 AM 11864164 14155432 4275156 26.49 2688 2491792 1906048 11.09 236116 3614524 40664 11:33:01 AM 9485204 11965816 6654116 41.23 2688 2679244 3980268 23.16 263776 5955572 4076 11:34:01 AM 9372616 11857224 6766704 41.93 2688 2683116 4013232 23.35 263820 6067028 972 11:35:01 AM 11056844 13565436 5082476 31.49 2688 2705980 2463976 14.34 280144 4368272 13476 Average: 10892868 13278953 5246452 32.51 2688 2585956 2725735 15.86 242153 4577458 44243 11:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:31:01 AM eth0 188.39 149.91 2270.78 33.94 0.00 0.00 0.00 0.00 11:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:32:01 AM eth0 149.50 126.62 1377.02 23.74 0.00 0.00 0.00 0.00 11:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:33:01 AM eth0 307.53 212.07 2928.41 36.21 0.00 0.00 0.00 0.00 11:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:34:01 AM eth0 296.33 191.25 87.27 91.21 0.00 0.00 0.00 0.00 11:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:35:01 AM lo 6.55 6.55 0.81 0.81 0.00 0.00 0.00 0.00 11:35:01 AM eth0 58.81 45.26 14.90 26.40 0.00 0.00 0.00 0.00 11:35:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.31 1.31 0.16 0.16 0.00 0.00 0.00 0.00 Average: eth0 200.12 145.03 1335.89 42.30 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) 08/03/2026 _x86_64_ (4 CPU) 11:29:11 LINUX RESTART (4 CPU) 11:30:01 AM CPU %user %nice %system %iowait %steal %idle 11:31:01 AM all 23.66 0.00 2.28 1.37 0.08 72.61 11:31:01 AM 0 15.91 0.00 1.47 0.57 0.08 81.97 11:31:01 AM 1 27.20 0.00 2.39 1.27 0.08 69.06 11:31:01 AM 2 12.51 0.00 2.01 1.78 0.08 83.61 11:31:01 AM 3 38.96 0.00 3.26 1.87 0.08 55.82 11:32:01 AM all 39.67 0.00 1.48 0.58 0.10 58.16 11:32:01 AM 0 37.16 0.00 1.79 0.62 0.10 60.34 11:32:01 AM 1 41.06 0.00 1.72 0.84 0.10 56.28 11:32:01 AM 2 46.73 0.00 0.97 0.38 0.12 51.80 11:32:01 AM 3 33.76 0.00 1.44 0.48 0.10 64.22 11:33:01 AM all 68.55 0.00 1.53 0.27 0.15 29.50 11:33:01 AM 0 64.90 0.00 1.42 0.12 0.15 33.41 11:33:01 AM 1 76.52 0.00 1.03 0.00 0.17 22.28 11:33:01 AM 2 64.87 0.00 1.81 0.62 0.13 32.58 11:33:01 AM 3 67.90 0.00 1.85 0.33 0.15 29.76 11:34:01 AM all 19.71 0.00 1.35 0.01 0.08 78.86 11:34:01 AM 0 20.64 0.00 1.09 0.00 0.07 78.21 11:34:01 AM 1 16.85 0.00 1.50 0.03 0.08 81.53 11:34:01 AM 2 19.63 0.00 1.47 0.02 0.08 78.80 11:34:01 AM 3 21.73 0.00 1.32 0.00 0.07 76.88 11:35:01 AM all 50.60 0.00 1.23 0.03 0.12 48.02 11:35:01 AM 0 50.99 0.00 0.90 0.00 0.12 47.99 11:35:01 AM 1 36.76 0.00 1.22 0.00 0.12 61.90 11:35:01 AM 2 68.40 0.00 1.54 0.08 0.13 29.84 11:35:01 AM 3 46.24 0.00 1.25 0.05 0.12 52.34 Average: all 40.44 0.00 1.57 0.45 0.11 57.43 Average: 0 37.91 0.00 1.33 0.26 0.10 60.39 Average: 1 39.69 0.00 1.57 0.43 0.11 58.20 Average: 2 42.45 0.00 1.56 0.58 0.11 55.31 Average: 3 41.72 0.00 1.82 0.55 0.10 55.80