---> uname -a: Linux prd-centos8-docker-4c-4g-212.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 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1631 10274 19 3857 13782 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:e6:7e:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.121/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86092sec preferred_lft 86092sec inet6 fe80::f816:3eff:fee6:7ec9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:3a:41:e6:99 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::42:3aff:fe41:e699/64 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) 09:27:18 LINUX RESTART (4 CPU) 09:28:01 AM tps rtps wtps bread/s bwrtn/s 09:29:01 AM 262.29 5.20 257.09 575.50 13609.78 09:30:01 AM 241.49 1.55 239.94 491.44 37001.15 09:31:01 AM 977.90 95.13 882.77 1698.12 24645.26 09:32:01 AM 72.64 25.60 47.04 543.91 4203.72 Average: 388.57 31.87 356.70 827.23 19865.69 09:28:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:29:01 AM 12262848 14381504 3878684 24.03 2688 2323364 1715788 9.98 188872 3281240 251640 09:30:01 AM 10655308 13982300 5486224 33.99 2688 3425084 1888052 10.98 373892 4462976 376052 09:31:01 AM 8965636 12475484 7175896 44.46 2688 3503832 2020164 11.75 424076 5849524 8 09:32:01 AM 10553320 14140432 5588212 34.62 2688 3576036 1750236 10.18 702364 4008016 23136 Average: 10609278 13744930 5532254 34.27 2688 3207079 1843560 10.72 422301 4400439 162709 09:28:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:29:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:29:01 AM eth0 384.55 307.22 5126.66 49.78 0.00 0.00 0.00 0.00 09:29:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 AM lo 6.21 6.21 4.51 4.51 0.00 0.00 0.00 0.00 09:30:01 AM eth0 342.04 217.73 4153.61 35.11 0.00 0.00 0.00 0.00 09:30:01 AM docker0 3.45 3.13 4.09 0.45 0.00 0.00 0.00 0.00 09:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:31:01 AM eth0 3.57 3.13 58.42 0.56 0.00 0.00 0.00 0.00 09:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:32:01 AM eth0 234.51 150.87 418.71 186.62 0.00 0.00 0.00 0.00 09:32:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.55 1.55 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 241.17 169.74 2439.42 68.02 0.00 0.00 0.00 0.00 Average: docker0 0.86 0.78 1.02 0.11 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) 09:27:18 LINUX RESTART (4 CPU) 09:28:01 AM CPU %user %nice %system %iowait %steal %idle 09:29:01 AM all 31.53 0.00 2.57 1.71 0.09 64.10 09:29:01 AM 0 22.31 0.00 2.65 1.90 0.10 73.04 09:29:01 AM 1 37.83 0.00 2.84 1.09 0.08 58.16 09:29:01 AM 2 27.36 0.00 2.21 2.49 0.08 67.85 09:29:01 AM 3 38.66 0.00 2.56 1.37 0.08 57.32 09:30:01 AM all 44.06 0.08 6.92 1.38 0.11 47.44 09:30:01 AM 0 39.31 0.07 6.13 0.51 0.12 53.86 09:30:01 AM 1 45.88 0.07 6.86 2.68 0.12 44.39 09:30:01 AM 2 40.62 0.10 7.53 1.98 0.10 49.66 09:30:01 AM 3 50.36 0.08 7.17 0.37 0.12 41.89 09:31:01 AM all 33.17 0.00 5.33 6.89 0.10 54.52 09:31:01 AM 0 27.50 0.00 3.99 3.52 0.10 64.89 09:31:01 AM 1 40.54 0.00 5.52 8.65 0.10 45.19 09:31:01 AM 2 35.13 0.00 6.04 8.30 0.10 50.43 09:31:01 AM 3 29.54 0.00 5.76 7.10 0.10 57.51 09:32:01 AM all 36.01 0.00 2.35 0.45 0.09 61.11 09:32:01 AM 0 21.07 0.00 2.67 0.47 0.08 75.70 09:32:01 AM 1 31.56 0.00 1.62 0.50 0.08 66.24 09:32:01 AM 2 39.91 0.00 2.19 0.35 0.08 57.47 09:32:01 AM 3 51.50 0.00 2.91 0.47 0.10 45.02 Average: all 36.16 0.02 4.28 2.61 0.10 56.83 Average: 0 27.50 0.02 3.85 1.60 0.10 66.93 Average: 1 38.92 0.02 4.20 3.22 0.10 53.54 Average: 2 35.73 0.03 4.48 3.28 0.09 56.40 Average: 3 42.52 0.02 4.59 2.33 0.10 50.45