---> uname -a: Linux prd-centos8-docker-4c-4g-79.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 12G 69G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 1082 10491 19 4188 14331 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:e8:a0:db brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.224/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86042sec preferred_lft 86042sec inet6 fe80::f816:3eff:fee8:a0db/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:75:8b:6d:33 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::42:75ff:fe8b:6d33/64 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) 05/16/2026 _x86_64_ (4 CPU) 03:28:56 LINUX RESTART (4 CPU) 03:30:01 AM tps rtps wtps bread/s bwrtn/s 03:31:01 AM 175.71 4.87 170.84 445.05 14207.15 03:32:01 AM 170.26 3.12 167.14 789.74 18601.30 03:33:01 AM 1153.52 90.47 1063.05 1639.85 38584.11 03:34:01 AM 81.97 45.62 36.35 5559.75 1690.32 Average: 395.36 36.02 359.35 2108.60 18270.72 03:30:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:31:01 AM 12741804 14710396 3399728 21.06 2688 2175764 1498188 8.72 160932 2841112 1840 03:32:01 AM 11537308 14276336 4604224 28.52 2688 2928508 2003600 11.66 369792 3764652 232676 03:33:01 AM 10204596 13715284 5936936 36.78 2688 3505628 1815708 10.56 419840 4615704 6772 03:34:01 AM 10287864 14193396 5853668 36.26 2688 3896520 1763372 10.26 496992 4457024 205404 Average: 11192893 14223853 4948639 30.66 2688 3126605 1770217 10.30 361889 3919623 111673 03:30:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:31:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 AM eth0 134.14 109.23 1375.37 25.48 0.00 0.00 0.00 0.00 03:31:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 AM lo 6.36 6.36 4.50 4.50 0.00 0.00 0.00 0.00 03:32:01 AM eth0 437.97 292.62 5348.62 37.81 0.00 0.00 0.00 0.00 03:32:01 AM docker0 3.35 3.18 4.09 0.45 0.00 0.00 0.00 0.00 03:32:01 AM veth7ba1c5a 0.13 0.42 0.01 0.03 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 154.70 96.00 1173.29 15.63 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 190.60 147.75 3107.58 12.54 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 1.59 1.59 1.13 1.13 0.00 0.00 0.00 0.00 Average: eth0 229.35 161.40 2751.22 22.86 0.00 0.00 0.00 0.00 Average: docker0 0.84 0.80 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) 05/16/2026 _x86_64_ (4 CPU) 03:28:56 LINUX RESTART (4 CPU) 03:30:01 AM CPU %user %nice %system %iowait %steal %idle 03:31:01 AM all 14.74 0.00 1.36 1.01 0.06 82.83 03:31:01 AM 0 14.43 0.00 1.29 0.67 0.08 83.53 03:31:01 AM 1 12.22 0.00 1.50 1.24 0.05 84.99 03:31:01 AM 2 17.37 0.00 1.34 0.89 0.05 80.36 03:31:01 AM 3 14.95 0.00 1.32 1.24 0.07 82.42 03:32:01 AM all 45.38 0.09 3.44 0.91 0.09 50.08 03:32:01 AM 0 44.80 0.00 3.90 0.94 0.08 50.28 03:32:01 AM 1 49.46 0.18 2.92 0.40 0.10 46.93 03:32:01 AM 2 40.79 0.03 4.35 0.77 0.10 53.95 03:32:01 AM 3 46.48 0.13 2.60 1.51 0.08 49.19 03:33:01 AM all 27.74 0.00 10.65 7.06 0.10 54.45 03:33:01 AM 0 17.02 0.00 9.18 5.61 0.10 68.08 03:33:01 AM 1 38.93 0.00 11.11 8.45 0.09 41.43 03:33:01 AM 2 19.18 0.00 10.51 7.53 0.10 62.68 03:33:01 AM 3 35.80 0.00 11.80 6.64 0.10 45.65 03:34:01 AM all 46.55 0.00 1.78 0.51 0.09 51.07 03:34:01 AM 0 38.73 0.00 1.69 0.52 0.08 58.98 03:34:01 AM 1 37.69 0.00 1.64 0.52 0.10 60.05 03:34:01 AM 2 49.44 0.00 1.72 0.37 0.08 48.39 03:34:01 AM 3 60.31 0.00 2.06 0.65 0.10 36.88 Average: all 33.61 0.02 4.28 2.35 0.09 59.64 Average: 0 28.79 0.00 3.99 1.92 0.09 65.22 Average: 1 34.54 0.05 4.26 2.63 0.08 58.44 Average: 2 31.73 0.01 4.45 2.37 0.08 61.35 Average: 3 39.40 0.03 4.41 2.49 0.09 53.57