---> uname -a: Linux prd-centos8-docker-4c-4g-128.novalocal 4.18.0-448.el8.x86_64 #1 SMP Wed Jan 18 15:02:46 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 69G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1020 10656 19 4085 14393 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:5e:31:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.137/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86042sec preferred_lft 86042sec inet6 fe80::f816:3eff:fe5e:31e7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e5:4d:a4:78 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:e5ff:fe4d:a478/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/07/2026 _x86_64_ (4 CPU) 03:28:20 LINUX RESTART (4 CPU) 03:29:01 AM tps rtps wtps bread/s bwrtn/s 03:30:01 AM 181.35 4.43 176.92 284.62 9161.36 03:31:01 AM 204.23 3.13 201.10 785.87 24708.58 03:32:01 AM 1113.35 72.09 1041.25 1368.61 36741.69 03:33:01 AM 100.88 50.18 50.70 2461.85 2998.68 03:34:01 AM 178.74 15.09 163.65 3517.76 8465.26 Average: 355.72 28.99 326.73 1683.79 16415.36 03:29:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 AM 12884100 14778368 3257432 20.18 2688 2101832 1439716 8.38 159128 2702316 164420 03:31:01 AM 11053164 13486224 5088368 31.52 2688 2627000 2925376 17.02 320868 4312036 4304 03:32:01 AM 10544116 13973032 5597416 34.68 2688 3424664 1733612 10.08 416352 4286760 50336 03:33:01 AM 11207268 14747344 4934264 30.57 2688 3532456 1440932 8.38 445484 3597156 28396 03:34:01 AM 10953712 14774704 5187820 32.14 2688 3809252 1145300 6.66 704776 3588264 23236 Average: 11328472 14351934 4813060 29.82 2688 3099041 1736987 10.10 409322 3697306 54138 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 192.20 146.08 1787.89 31.73 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 6.21 6.21 4.52 4.52 0.00 0.00 0.00 0.00 03:31:01 AM eth0 366.19 250.70 4668.05 33.54 0.00 0.00 0.00 0.00 03:31:01 AM docker0 3.38 3.15 4.09 0.45 0.00 0.00 0.00 0.00 03:31:01 AM veth7ca5b21 0.12 0.38 0.01 0.03 0.00 0.00 0.00 0.00 03:32:01 AM lo 0.08 0.08 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 AM eth0 206.43 141.65 1862.42 21.72 0.00 0.00 0.00 0.00 03:32:01 AM docker0 0.02 0.03 0.00 0.00 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 11.46 10.71 41.99 4.16 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 182.04 133.92 2691.51 35.05 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 1.26 1.26 0.91 0.91 0.00 0.00 0.00 0.00 Average: eth0 191.67 136.61 2210.39 25.24 0.00 0.00 0.00 0.00 Average: docker0 0.68 0.64 0.82 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 03/07/2026 _x86_64_ (4 CPU) 03:28:20 LINUX RESTART (4 CPU) 03:29:01 AM CPU %user %nice %system %iowait %steal %idle 03:30:01 AM all 23.46 0.00 2.00 0.93 0.09 73.52 03:30:01 AM 0 20.31 0.00 1.22 0.47 0.08 77.92 03:30:01 AM 1 24.49 0.00 3.26 1.87 0.08 70.29 03:30:01 AM 2 33.50 0.00 2.43 0.77 0.07 63.24 03:30:01 AM 3 15.53 0.00 1.09 0.60 0.12 82.66 03:31:01 AM all 43.79 0.10 3.50 1.22 0.09 51.29 03:31:01 AM 0 45.55 0.05 3.18 1.58 0.08 49.55 03:31:01 AM 1 46.81 0.07 4.47 1.51 0.10 47.04 03:31:01 AM 2 37.72 0.03 3.19 0.49 0.10 58.47 03:31:01 AM 3 45.09 0.25 3.18 1.31 0.08 50.08 03:32:01 AM all 26.73 0.00 11.19 7.32 0.09 54.67 03:32:01 AM 0 16.72 0.00 9.42 6.59 0.09 67.19 03:32:01 AM 1 43.61 0.00 12.37 7.94 0.10 35.97 03:32:01 AM 2 26.30 0.00 10.10 6.67 0.09 56.85 03:32:01 AM 3 20.26 0.00 12.88 8.07 0.09 58.71 03:33:01 AM all 45.37 0.00 1.71 0.60 0.09 52.23 03:33:01 AM 0 42.22 0.00 1.84 0.65 0.08 55.21 03:33:01 AM 1 67.56 0.00 1.76 0.40 0.08 30.20 03:33:01 AM 2 41.00 0.00 1.79 0.47 0.08 56.66 03:33:01 AM 3 30.72 0.00 1.44 0.87 0.10 66.87 03:34:01 AM all 41.34 0.00 2.19 0.63 0.09 55.75 03:34:01 AM 0 37.43 0.00 1.79 0.10 0.10 60.58 03:34:01 AM 1 37.94 0.00 2.78 1.82 0.10 57.36 03:34:01 AM 2 38.51 0.00 2.11 0.50 0.08 58.80 03:34:01 AM 3 51.49 0.00 2.11 0.08 0.07 46.25 Average: all 36.17 0.02 4.09 2.12 0.09 57.51 Average: 0 32.49 0.01 3.47 1.86 0.09 62.09 Average: 1 44.08 0.01 4.90 2.69 0.09 48.22 Average: 2 35.43 0.01 3.90 1.76 0.08 58.81 Average: 3 32.69 0.05 4.10 2.16 0.09 60.92