---> uname -a: Linux prd-centos8-docker-8c-8g-810.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 12G 149G 8% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1050 27212 19 3627 30379 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:20:42:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.39/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86148sec preferred_lft 86148sec inet6 fe80::f816:3eff:fe20:422c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:46:fb:9b:f0 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::42:46ff:fefb:9bf0/64 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) 03/01/2026 _x86_64_ (8 CPU) 17:11:26 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 202.55 14.80 187.75 3208.26 10602.72 05:14:01 PM 485.22 4.82 480.40 1166.21 16747.19 05:15:01 PM 222.76 3.17 219.59 423.59 41924.83 Average: 303.50 7.59 295.91 1599.38 23091.93 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 28908148 30827036 3747564 11.48 2688 2235616 1817940 5.39 161476 3125692 189916 05:14:01 PM 27750276 30095900 4905436 15.02 2688 2652068 2352924 6.98 396448 3999120 199032 05:15:01 PM 27865676 31107064 4790036 14.67 2688 3537820 1514892 4.49 641480 3606656 164988 Average: 28174700 30676667 4481012 13.72 2688 2808501 1895252 5.62 399801 3577156 184645 05:12:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 PM eth0 211.66 173.99 2253.80 46.79 0.00 0.00 0.00 0.00 05:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 PM eth0 493.12 418.48 5956.43 59.69 0.00 0.00 0.00 0.00 05:14:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 PM eth0 548.92 471.38 5975.34 1306.85 0.00 0.00 0.00 0.00 05:15:01 PM docker0 7.31 15.63 0.54 256.84 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 417.90 354.61 4728.45 471.13 0.00 0.00 0.00 0.00 Average: docker0 2.44 5.21 0.18 85.62 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) 03/01/2026 _x86_64_ (8 CPU) 17:11:26 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 12.93 0.00 1.21 1.00 0.06 84.80 05:13:01 PM 0 28.87 0.00 2.74 0.60 0.07 67.73 05:13:01 PM 1 8.26 0.00 0.68 0.82 0.07 90.17 05:13:01 PM 2 10.40 0.00 0.52 0.67 0.07 88.34 05:13:01 PM 3 11.58 0.00 1.35 2.49 0.05 84.53 05:13:01 PM 4 22.14 0.00 2.17 1.27 0.07 74.35 05:13:01 PM 5 3.16 0.00 0.58 0.20 0.05 96.01 05:13:01 PM 6 7.97 0.00 1.02 1.84 0.05 89.12 05:13:01 PM 7 11.06 0.00 0.63 0.10 0.03 88.17 05:14:01 PM all 28.86 0.00 1.77 1.66 0.08 67.63 05:14:01 PM 0 29.04 0.00 1.04 0.47 0.08 69.37 05:14:01 PM 1 33.62 0.00 1.93 2.61 0.08 61.76 05:14:01 PM 2 27.18 0.00 3.24 3.31 0.10 66.17 05:14:01 PM 3 32.56 0.00 1.61 0.91 0.08 64.84 05:14:01 PM 4 31.31 0.00 1.93 0.89 0.08 65.79 05:14:01 PM 5 36.11 0.00 1.66 0.49 0.07 61.67 05:14:01 PM 6 18.13 0.00 1.41 2.04 0.07 78.36 05:14:01 PM 7 22.98 0.00 1.32 2.53 0.08 73.09 05:15:01 PM all 16.68 0.00 2.54 1.97 0.07 78.72 05:15:01 PM 0 13.81 0.00 2.53 1.58 0.08 81.99 05:15:01 PM 1 23.87 0.00 1.94 1.91 0.07 72.22 05:15:01 PM 2 7.98 0.00 2.48 4.29 0.08 85.16 05:15:01 PM 3 19.53 0.00 3.13 0.97 0.08 76.28 05:15:01 PM 4 21.62 0.00 2.11 1.93 0.05 74.30 05:15:01 PM 5 8.18 0.00 2.38 1.56 0.07 87.81 05:15:01 PM 6 19.70 0.00 3.51 3.12 0.08 73.59 05:15:01 PM 7 18.78 0.00 2.26 0.42 0.07 78.47 Average: all 19.48 0.00 1.84 1.54 0.07 77.06 Average: 0 23.91 0.00 2.11 0.88 0.08 73.02 Average: 1 21.90 0.00 1.52 1.78 0.07 74.73 Average: 2 15.18 0.00 2.08 2.75 0.08 79.91 Average: 3 21.21 0.00 2.03 1.46 0.07 75.23 Average: 4 25.02 0.00 2.07 1.36 0.07 71.48 Average: 5 15.80 0.00 1.54 0.75 0.06 81.85 Average: 6 15.26 0.00 1.98 2.33 0.07 80.37 Average: 7 17.60 0.00 1.41 1.02 0.06 79.92