---> uname -a: Linux prd-centos8-docker-4c-4g-12164.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 826 11729 19 3205 14586 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:82:b6:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.138/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86000sec preferred_lft 86000sec inet6 fe80::f816:3eff:fe82:b63d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:87:d1:81:b3 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::42:87ff:fed1:81b3/64 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) 07/13/2026 _x86_64_ (4 CPU) 08:52:14 LINUX RESTART (4 CPU) 08:53:01 AM tps rtps wtps bread/s bwrtn/s 08:54:01 AM 226.99 20.04 206.95 4017.73 13146.80 08:55:01 AM 113.85 2.03 111.81 120.63 11302.45 08:56:01 AM 22.26 0.00 22.26 0.00 6247.32 08:57:01 AM 16.96 3.20 13.76 581.37 1052.96 08:58:01 AM 76.99 0.13 76.86 2.27 17600.40 Average: 91.41 5.08 86.33 944.41 9870.28 08:53:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:54:01 AM 12031864 14266792 4107456 25.45 2688 2437904 2066632 12.02 205596 3487348 240724 08:55:01 AM 10253592 12723736 5885728 36.47 2688 2668920 3245344 18.88 264028 5185180 178992 08:56:01 AM 10123252 12597888 6016068 37.28 2688 2673320 3261156 18.97 264096 5315688 2092 08:57:01 AM 8704124 11426880 7435196 46.07 2688 2918636 4742464 27.59 287800 6692244 193932 08:58:01 AM 8432532 11348428 7706788 47.75 2688 3103804 5306228 30.87 396240 6822640 276 Average: 9909073 12472745 6230247 38.60 2688 2760517 3724365 21.67 283552 5500620 123203 08:53:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:54:01 AM eth0 244.92 196.68 3168.31 32.42 0.00 0.00 0.00 0.00 08:54:01 AM docker0 0.00 0.00 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 234.24 177.01 3410.47 29.11 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 08:56:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:56:01 AM eth0 16.18 16.94 3.09 26.84 0.00 0.00 0.00 0.00 08:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:57:01 AM lo 3.13 3.13 0.44 0.44 0.00 0.00 0.00 0.00 08:57:01 AM eth0 127.33 93.22 2707.91 19.66 0.00 0.00 0.00 0.00 08:57:01 AM docker0 0.07 0.15 0.00 0.01 0.00 0.00 0.00 0.00 08:57:01 AM vethae16aaf 0.07 0.23 0.00 0.02 0.00 0.00 0.00 0.00 08:58:01 AM lo 12.86 12.86 26.83 26.83 0.00 0.00 0.00 0.00 08:58:01 AM eth0 8.25 6.81 117.18 0.98 0.00 0.00 0.00 0.00 08:58:01 AM docker0 0.17 0.18 0.01 0.01 0.00 0.00 0.00 0.00 08:58:01 AM vethae16aaf 0.17 0.25 0.01 0.02 0.00 0.00 0.00 0.00 08:58:01 AM br-055a839b52a1 5.60 5.66 25.61 0.94 0.00 0.00 0.00 0.00 Average: lo 3.20 3.20 5.45 5.45 0.00 0.00 0.00 0.00 Average: eth0 126.18 98.13 1881.36 21.80 0.00 0.00 0.00 0.00 Average: docker0 0.05 0.07 0.00 0.01 0.00 0.00 0.00 0.00 Average: vethae16aaf 0.05 0.10 0.00 0.01 0.00 0.00 0.00 0.00 Average: br-055a839b52a1 1.12 1.13 5.12 0.19 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) 07/13/2026 _x86_64_ (4 CPU) 08:52:14 LINUX RESTART (4 CPU) 08:53:01 AM CPU %user %nice %system %iowait %steal %idle 08:54:01 AM all 31.67 0.00 3.15 1.17 0.08 63.93 08:54:01 AM 0 26.33 0.00 2.84 0.92 0.08 69.83 08:54:01 AM 1 21.24 0.00 2.33 1.19 0.08 75.16 08:54:01 AM 2 28.22 0.00 3.90 1.62 0.08 66.18 08:54:01 AM 3 50.89 0.00 3.55 0.94 0.07 44.56 08:55:01 AM all 59.82 0.00 1.92 0.58 0.10 37.59 08:55:01 AM 0 67.19 0.00 2.02 0.62 0.10 30.07 08:55:01 AM 1 56.31 0.00 1.55 0.50 0.10 41.53 08:55:01 AM 2 65.17 0.00 2.15 0.63 0.08 31.96 08:55:01 AM 3 50.58 0.00 1.95 0.57 0.10 46.79 08:56:01 AM all 14.01 0.00 0.31 0.15 0.07 85.46 08:56:01 AM 0 10.61 0.00 0.32 0.05 0.07 88.95 08:56:01 AM 1 15.64 0.00 0.27 0.02 0.08 83.99 08:56:01 AM 2 15.37 0.00 0.30 0.02 0.08 84.23 08:56:01 AM 3 14.40 0.00 0.37 0.50 0.05 84.68 08:57:01 AM all 43.43 0.00 1.23 0.08 0.08 55.19 08:57:01 AM 0 42.51 0.00 1.44 0.12 0.08 55.85 08:57:01 AM 1 60.22 0.00 1.90 0.13 0.08 37.65 08:57:01 AM 2 36.12 0.00 0.85 0.02 0.07 62.95 08:57:01 AM 3 34.84 0.00 0.72 0.03 0.08 64.32 08:58:01 AM all 15.06 0.00 2.58 0.64 0.09 81.63 08:58:01 AM 0 14.54 0.00 2.05 0.55 0.08 82.78 08:58:01 AM 1 16.71 0.00 4.22 0.57 0.08 78.42 08:58:01 AM 2 14.52 0.00 2.10 0.65 0.10 82.63 08:58:01 AM 3 14.47 0.00 1.96 0.77 0.08 82.71 Average: all 32.81 0.00 1.84 0.52 0.08 64.75 Average: 0 32.25 0.00 1.73 0.45 0.08 65.48 Average: 1 34.05 0.00 2.05 0.48 0.09 63.33 Average: 2 31.90 0.00 1.86 0.59 0.08 65.57 Average: 3 33.05 0.00 1.71 0.56 0.08 64.61