---> uname -a: Linux prd-centos8-docker-8c-8g-2085.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 990 28151 19 2747 30455 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:1a:68:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.64/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86249sec preferred_lft 86249sec inet6 fe80::f816:3eff:fe1a:68d2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e8:0e:e8:a5 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) 03/31/2026 _x86_64_ (8 CPU) 13:07:30 LINUX RESTART (8 CPU) 01:08:01 PM tps rtps wtps bread/s bwrtn/s 01:09:01 PM 191.27 17.48 173.79 7760.75 10406.28 01:10:01 PM 231.61 2.45 229.16 124.76 19323.63 Average: 211.44 9.96 201.47 3942.75 14864.95 01:08:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:09:01 PM 29087248 31130660 3568464 10.93 2688 2361576 2002284 5.94 265556 2847620 207408 01:10:01 PM 28771800 31127668 3883912 11.89 2688 2666880 1508720 4.48 472248 2926644 23036 Average: 28929524 31129164 3726188 11.41 2688 2514228 1755502 5.21 368902 2887132 115222 01:08:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:09:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:09:01 PM eth0 194.09 137.72 2137.49 29.17 0.00 0.00 0.00 0.00 01:09:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:10:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:10:01 PM eth0 440.02 325.56 4802.28 48.38 0.00 0.00 0.00 0.00 01:10:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 317.05 231.64 3469.88 38.78 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) 03/31/2026 _x86_64_ (8 CPU) 13:07:30 LINUX RESTART (8 CPU) 01:08:01 PM CPU %user %nice %system %iowait %steal %idle 01:09:01 PM all 13.35 0.00 1.46 0.56 0.08 84.55 01:09:01 PM 0 7.12 0.00 1.00 0.43 0.10 91.34 01:09:01 PM 1 14.37 0.00 1.10 0.52 0.08 83.92 01:09:01 PM 2 20.65 0.00 2.16 0.84 0.08 76.27 01:09:01 PM 3 19.14 0.00 1.81 0.43 0.08 78.54 01:09:01 PM 4 8.78 0.00 1.07 0.30 0.07 89.78 01:09:01 PM 5 9.22 0.00 1.60 0.82 0.07 88.29 01:09:01 PM 6 7.48 0.00 0.89 0.42 0.08 91.13 01:09:01 PM 7 20.06 0.00 2.05 0.70 0.07 77.11 01:10:01 PM all 12.73 0.00 1.42 0.61 0.06 85.19 01:10:01 PM 0 8.58 0.00 1.00 0.90 0.07 89.45 01:10:01 PM 1 24.66 0.00 1.77 0.27 0.05 73.25 01:10:01 PM 2 14.01 0.00 1.35 0.23 0.07 84.33 01:10:01 PM 3 10.74 0.00 1.60 1.27 0.07 86.32 01:10:01 PM 4 21.79 0.00 1.72 0.35 0.07 76.07 01:10:01 PM 5 6.81 0.00 1.17 0.13 0.07 91.82 01:10:01 PM 6 8.38 0.00 1.24 0.54 0.05 89.80 01:10:01 PM 7 6.83 0.00 1.47 1.17 0.05 90.49 Average: all 13.04 0.00 1.44 0.58 0.07 84.87 Average: 0 7.85 0.00 1.00 0.67 0.08 90.40 Average: 1 19.52 0.00 1.44 0.39 0.07 78.58 Average: 2 17.33 0.00 1.75 0.53 0.08 80.30 Average: 3 14.94 0.00 1.70 0.85 0.08 82.43 Average: 4 15.28 0.00 1.39 0.33 0.07 82.93 Average: 5 8.01 0.00 1.39 0.48 0.07 90.06 Average: 6 7.93 0.00 1.06 0.48 0.07 90.46 Average: 7 13.44 0.00 1.76 0.94 0.06 83.80