---> uname -a: Linux prd-centos8-docker-8c-8g-303.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): 8 On-line CPU(s) list: 0-7 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 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): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 16G 0 16G 0% /dev tmpfs 16G 0 16G 0% /dev/shm tmpfs 16G 17M 16G 1% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/vda1 160G 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1007 28286 19 2596 30437 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:23:47:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.93/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86229sec preferred_lft 86229sec inet6 fe80::f816:3eff:fe23:474a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e5:9a:e0:d2 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 ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 02/27/2026 _x86_64_ (8 CPU) 12:09:54 LINUX RESTART (8 CPU) 12:10:01 PM tps rtps wtps bread/s bwrtn/s 12:11:01 PM 309.31 140.02 169.29 16973.59 40446.36 12:12:01 PM 261.57 17.38 244.19 3727.91 12766.79 Average: 285.58 79.05 206.53 10388.61 26685.68 12:10:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:11:01 PM 29690572 31212028 2965140 9.08 2688 1855668 1486444 4.41 148040 2427564 93680 12:12:01 PM 28636192 30652648 4019520 12.31 2688 2329908 1882436 5.59 212676 3321844 172560 Average: 29163382 30932338 3492330 10.69 2688 2092788 1684440 5.00 180358 2874704 133120 12:10:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:11:01 PM lo 0.03 0.03 0.00 0.00 0.00 0.00 0.00 0.00 12:11:01 PM eth0 391.20 260.07 1640.18 74.91 0.00 0.00 0.00 0.00 12:11:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:12:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:12:01 PM eth0 260.52 224.18 2730.49 37.56 0.00 0.00 0.00 0.00 12:12:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 326.24 242.23 2182.21 56.34 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 02/27/2026 _x86_64_ (8 CPU) 12:09:54 LINUX RESTART (8 CPU) 12:10:01 PM CPU %user %nice %system %iowait %steal %idle 12:11:01 PM all 12.05 0.00 3.13 5.35 0.10 79.37 12:11:01 PM 0 15.35 0.00 3.64 7.27 0.10 73.64 12:11:01 PM 1 13.38 0.00 3.58 3.41 0.08 79.55 12:11:01 PM 2 9.46 0.00 2.87 4.48 0.12 83.08 12:11:01 PM 3 8.53 0.00 2.93 1.08 0.08 87.38 12:11:01 PM 4 12.32 0.00 3.45 2.17 0.08 81.97 12:11:01 PM 5 11.02 0.00 3.23 3.10 0.10 82.55 12:11:01 PM 6 9.90 0.00 2.69 10.98 0.12 76.31 12:11:01 PM 7 16.43 0.00 2.67 10.30 0.08 70.52 12:12:01 PM all 18.72 0.00 1.34 1.14 0.07 78.73 12:12:01 PM 0 12.88 0.00 0.82 1.07 0.07 85.16 12:12:01 PM 1 21.33 0.00 2.05 1.69 0.07 74.86 12:12:01 PM 2 27.43 0.00 2.51 1.74 0.08 68.24 12:12:01 PM 3 19.04 0.00 1.10 1.52 0.08 78.25 12:12:01 PM 4 28.18 0.00 1.94 0.82 0.08 68.98 12:12:01 PM 5 9.84 0.00 0.84 1.19 0.07 88.06 12:12:01 PM 6 15.03 0.00 0.62 0.65 0.05 83.65 12:12:01 PM 7 15.99 0.00 0.83 0.48 0.05 82.65 Average: all 15.37 0.00 2.24 3.26 0.08 79.05 Average: 0 14.12 0.00 2.23 4.17 0.08 79.39 Average: 1 17.34 0.00 2.82 2.55 0.07 77.22 Average: 2 18.41 0.00 2.69 3.11 0.10 75.69 Average: 3 13.77 0.00 2.02 1.30 0.08 82.82 Average: 4 20.22 0.00 2.70 1.50 0.08 75.50 Average: 5 10.44 0.00 2.04 2.15 0.08 85.29 Average: 6 12.46 0.00 1.66 5.84 0.08 79.96 Average: 7 16.21 0.00 1.75 5.41 0.07 76.56