---> uname -a: Linux prd-centos8-docker-8c-8g-4763.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: 2800.000 BogoMIPS: 5600.00 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 1069 27201 19 3619 30361 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:a7:22:19 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.211/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86132sec preferred_lft 86132sec inet6 fe80::f816:3eff:fea7:2219/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ca:a5:26:10 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:caff:fea5:2610/64 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) 02/01/2026 _x86_64_ (8 CPU) 17:12:03 LINUX RESTART (8 CPU) 05:13:01 PM tps rtps wtps bread/s bwrtn/s 05:14:01 PM 237.05 14.56 222.49 3199.60 12259.28 05:15:01 PM 478.41 6.36 472.04 1206.80 16600.32 05:16:01 PM 172.44 1.72 170.72 466.32 40500.92 Average: 295.97 7.55 288.43 1624.30 23119.21 05:13:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 PM 29067240 31004288 3588472 10.99 2688 2251440 1827556 5.42 191248 2926432 185448 05:15:01 PM 27705984 30187704 4949728 15.16 2688 2785700 2153768 6.39 406976 4023892 309640 05:16:01 PM 27868948 31101948 4786764 14.66 2688 3529056 1508080 4.47 812064 3431756 165024 Average: 28214057 30764647 4441655 13.60 2688 2855399 1829801 5.43 470096 3460693 220037 05:13:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 248.23 214.13 2571.36 48.38 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 551.40 467.73 7900.71 62.86 0.00 0.00 0.00 0.00 05:15:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 PM eth0 367.61 351.37 3654.07 2373.67 0.00 0.00 0.00 0.00 05:16:01 PM docker0 7.42 15.85 0.55 255.28 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 389.08 344.41 4708.77 828.22 0.00 0.00 0.00 0.00 Average: docker0 2.47 5.28 0.18 85.08 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) 02/01/2026 _x86_64_ (8 CPU) 17:12:03 LINUX RESTART (8 CPU) 05:13:01 PM CPU %user %nice %system %iowait %steal %idle 05:14:01 PM all 14.75 0.00 1.26 1.24 0.06 82.69 05:14:01 PM 0 12.98 0.00 1.00 0.53 0.07 85.42 05:14:01 PM 1 9.83 0.00 0.95 1.94 0.08 87.19 05:14:01 PM 2 12.07 0.00 1.59 1.64 0.07 84.64 05:14:01 PM 3 21.18 0.00 1.74 1.81 0.07 75.20 05:14:01 PM 4 17.13 0.00 1.80 1.35 0.03 79.68 05:14:01 PM 5 15.59 0.00 0.92 0.72 0.07 82.71 05:14:01 PM 6 15.24 0.00 1.15 1.77 0.08 81.74 05:14:01 PM 7 13.99 0.00 0.90 0.13 0.05 84.92 05:15:01 PM all 26.69 0.00 1.74 2.01 0.09 69.48 05:15:01 PM 0 23.73 0.00 2.06 2.03 0.08 72.09 05:15:01 PM 1 29.94 0.00 1.75 3.78 0.10 64.44 05:15:01 PM 2 21.81 0.00 1.71 1.57 0.08 74.83 05:15:01 PM 3 27.64 0.00 2.01 3.76 0.08 66.51 05:15:01 PM 4 28.25 0.00 1.52 0.74 0.10 69.39 05:15:01 PM 5 29.43 0.00 1.54 1.73 0.08 67.22 05:15:01 PM 6 25.22 0.00 1.89 1.39 0.08 71.42 05:15:01 PM 7 27.51 0.00 1.41 1.07 0.07 69.94 05:16:01 PM all 16.76 0.00 2.56 1.66 0.08 78.94 05:16:01 PM 0 7.63 0.00 2.26 1.12 0.08 88.90 05:16:01 PM 1 9.87 0.00 2.42 3.61 0.08 84.03 05:16:01 PM 2 16.84 0.00 2.52 4.11 0.08 76.45 05:16:01 PM 3 28.50 0.00 2.77 1.78 0.08 66.87 05:16:01 PM 4 13.07 0.00 2.58 0.87 0.12 83.36 05:16:01 PM 5 21.08 0.00 2.28 1.19 0.07 75.38 05:16:01 PM 6 15.50 0.00 2.84 0.35 0.07 81.24 05:16:01 PM 7 21.58 0.00 2.85 0.22 0.07 75.29 Average: all 19.40 0.00 1.85 1.63 0.08 77.04 Average: 0 14.78 0.00 1.78 1.23 0.08 82.14 Average: 1 16.54 0.00 1.70 3.11 0.09 78.56 Average: 2 16.90 0.00 1.94 2.44 0.08 78.64 Average: 3 25.77 0.00 2.17 2.45 0.08 69.53 Average: 4 19.48 0.00 1.97 0.99 0.08 77.48 Average: 5 22.03 0.00 1.58 1.21 0.07 75.11 Average: 6 18.66 0.00 1.96 1.17 0.08 78.13 Average: 7 21.02 0.00 1.72 0.47 0.06 76.73