---> uname -a: Linux prd-centos8-docker-4c-4g-18332.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 1033 10459 19 4267 14378 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:5c:f6:af brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.105/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86017sec preferred_lft 86017sec inet6 fe80::f816:3eff:fe5c:f6af/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1f:4d:c3:25 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::42:1fff:fe4d:c325/64 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) 06/20/2026 _x86_64_ (4 CPU) 03:28:27 LINUX RESTART (4 CPU) 03:29:01 AM tps rtps wtps bread/s bwrtn/s 03:30:01 AM 274.41 6.15 268.26 941.29 6604.32 03:31:01 AM 255.46 6.61 248.85 1186.40 21868.44 03:32:01 AM 149.63 1.47 148.16 81.03 24359.67 03:33:01 AM 1118.34 95.07 1023.27 1697.14 27076.55 03:34:01 AM 186.19 42.41 143.78 5632.92 9226.45 Average: 396.84 30.35 366.49 1907.80 17827.63 03:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 AM 13299796 15075964 2839524 17.59 2688 1991384 1150748 6.70 139928 2344152 168532 03:31:01 AM 11673052 13906244 4466268 27.67 2688 2434412 2583796 15.03 209236 3829068 44 03:32:01 AM 10779228 14181560 5360092 33.21 2688 3497512 1718772 10.00 355512 4349940 446368 03:33:01 AM 9790148 13383484 6349172 39.34 2688 3582980 1774204 10.32 404948 5024932 8 03:34:01 AM 9443800 13449340 6695520 41.49 2688 3989404 2331228 13.56 499228 5280032 10012 Average: 10997205 13999318 5142115 31.86 2688 3099138 1911750 11.12 321770 4165625 124993 03:29:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 AM eth0 132.44 92.52 1170.65 27.11 0.00 0.00 0.00 0.00 03:30:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 03:31:01 AM eth0 314.16 250.08 3945.18 42.30 0.00 0.00 0.00 0.00 03:31:01 AM docker0 0.07 0.10 0.00 0.01 0.00 0.00 0.00 0.00 03:31:01 AM vethae1ced2 0.07 0.15 0.00 0.01 0.00 0.00 0.00 0.00 03:32:01 AM lo 6.26 6.26 4.54 4.54 0.00 0.00 0.00 0.00 03:32:01 AM eth0 358.59 209.60 3977.36 32.45 0.00 0.00 0.00 0.00 03:32:01 AM docker0 3.40 3.07 4.09 0.44 0.00 0.00 0.00 0.00 03:33:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 AM eth0 5.81 4.90 58.54 0.66 0.00 0.00 0.00 0.00 03:33:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 AM eth0 185.62 144.23 3104.57 21.35 0.00 0.00 0.00 0.00 03:34:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.28 1.28 0.91 0.91 0.00 0.00 0.00 0.00 Average: eth0 199.32 140.26 2451.17 24.77 0.00 0.00 0.00 0.00 Average: docker0 0.69 0.63 0.82 0.09 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) 06/20/2026 _x86_64_ (4 CPU) 03:28:27 LINUX RESTART (4 CPU) 03:29:01 AM CPU %user %nice %system %iowait %steal %idle 03:30:01 AM all 16.34 0.00 1.96 0.89 0.07 80.74 03:30:01 AM 0 11.58 0.00 0.93 0.17 0.08 87.23 03:30:01 AM 1 12.82 0.00 1.44 0.50 0.07 85.18 03:30:01 AM 2 15.67 0.00 1.72 0.49 0.07 82.05 03:30:01 AM 3 25.31 0.00 3.76 2.39 0.07 68.47 03:31:01 AM all 38.08 0.00 2.76 1.50 0.10 57.56 03:31:01 AM 0 48.29 0.00 3.63 1.14 0.10 46.85 03:31:01 AM 1 36.83 0.00 2.39 1.59 0.10 59.09 03:31:01 AM 2 31.28 0.00 2.11 1.56 0.10 64.95 03:31:01 AM 3 35.93 0.00 2.89 1.71 0.10 59.37 03:32:01 AM all 39.05 0.11 8.64 0.70 0.10 51.41 03:32:01 AM 0 35.07 0.08 7.50 1.19 0.08 56.08 03:32:01 AM 1 32.16 0.03 9.08 0.43 0.10 58.20 03:32:01 AM 2 58.50 0.14 9.73 0.34 0.10 31.20 03:32:01 AM 3 30.31 0.17 8.24 0.83 0.10 60.34 03:33:01 AM all 32.48 0.00 6.46 6.95 0.10 54.01 03:33:01 AM 0 38.94 0.00 6.77 6.47 0.12 47.70 03:33:01 AM 1 17.73 0.00 7.09 8.09 0.10 66.99 03:33:01 AM 2 53.21 0.00 6.87 7.17 0.08 32.66 03:33:01 AM 3 20.08 0.00 5.10 6.09 0.08 68.66 03:34:01 AM all 55.72 0.00 2.47 0.89 0.10 40.82 03:34:01 AM 0 50.28 0.00 2.02 1.47 0.10 46.13 03:34:01 AM 1 68.92 0.00 2.48 0.60 0.10 27.89 03:34:01 AM 2 48.95 0.00 2.66 0.89 0.10 47.41 03:34:01 AM 3 54.78 0.00 2.72 0.58 0.12 41.80 Average: all 36.33 0.02 4.44 2.18 0.09 56.93 Average: 0 36.82 0.02 4.15 2.08 0.10 56.82 Average: 1 33.71 0.01 4.47 2.24 0.09 59.48 Average: 2 41.48 0.03 4.61 2.08 0.09 51.72 Average: 3 33.31 0.03 4.53 2.32 0.09 59.71