---> uname -a: Linux prd-centos8-docker-8c-8g-50.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 1043 27234 19 3612 30387 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:0d:40:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.159/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86131sec preferred_lft 86131sec inet6 fe80::f816:3eff:fe0d:405f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:39:40:f3:e9 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::42:39ff:fe40:f3e9/64 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) 03/06/2026 _x86_64_ (8 CPU) 17:11:21 LINUX RESTART (8 CPU) 05:12:01 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 201.02 14.71 186.31 3102.05 10950.57 05:14:01 PM 309.78 5.53 304.25 1231.66 13994.20 05:15:01 PM 249.92 2.45 247.47 396.00 43253.38 Average: 253.57 7.56 246.00 1576.67 22732.55 05:12:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 28950912 30845996 3704800 11.35 2688 2212320 1791684 5.32 159680 3084512 184944 05:14:01 PM 27735988 30055544 4919724 15.07 2688 2627448 2334884 6.93 279500 4135508 231320 05:15:01 PM 27927488 31145400 4728224 14.48 2688 3515228 1502288 4.46 639340 3547728 149288 Average: 28204796 30682313 4450916 13.63 2688 2784999 1876285 5.57 359507 3589249 188517 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 184.91 156.24 2176.01 43.40 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 446.36 385.09 5950.26 53.74 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 554.83 446.68 6043.18 1275.88 0.00 0.00 0.00 0.00 05:15:01 PM docker0 7.50 15.88 0.55 257.23 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 395.35 329.32 4722.94 457.67 0.00 0.00 0.00 0.00 Average: docker0 2.50 5.29 0.18 85.74 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) 03/06/2026 _x86_64_ (8 CPU) 17:11:21 LINUX RESTART (8 CPU) 05:12:01 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 12.86 0.00 1.21 1.10 0.08 84.75 05:13:01 PM 0 8.01 0.00 0.43 0.07 0.07 91.42 05:13:01 PM 1 6.59 0.00 1.04 0.85 0.08 91.44 05:13:01 PM 2 5.47 0.00 0.67 1.67 0.08 92.11 05:13:01 PM 3 12.66 0.00 0.99 0.25 0.08 86.02 05:13:01 PM 4 21.26 0.00 1.35 1.00 0.07 76.31 05:13:01 PM 5 8.62 0.00 0.87 0.99 0.07 89.46 05:13:01 PM 6 13.15 0.00 1.35 1.27 0.07 84.17 05:13:01 PM 7 27.14 0.00 3.01 2.69 0.08 67.07 05:14:01 PM all 28.14 0.00 1.62 2.24 0.10 67.91 05:14:01 PM 0 32.82 0.00 1.64 0.94 0.12 64.48 05:14:01 PM 1 13.84 0.00 1.39 1.93 0.08 82.76 05:14:01 PM 2 35.96 0.00 2.13 1.75 0.12 60.05 05:14:01 PM 3 24.13 0.00 1.02 0.15 0.10 74.60 05:14:01 PM 4 33.43 0.00 2.35 6.81 0.12 57.28 05:14:01 PM 5 24.04 0.00 1.33 3.14 0.08 71.42 05:14:01 PM 6 27.73 0.00 1.70 1.94 0.10 68.53 05:14:01 PM 7 33.17 0.00 1.37 1.26 0.10 64.10 05:15:01 PM all 18.10 0.00 2.93 1.78 0.11 77.08 05:15:01 PM 0 9.69 0.00 2.10 0.81 0.10 87.30 05:15:01 PM 1 13.72 0.00 3.03 3.21 0.12 79.92 05:15:01 PM 2 13.31 0.00 3.05 4.51 0.10 79.03 05:15:01 PM 3 24.85 0.00 2.37 0.22 0.10 72.46 05:15:01 PM 4 17.59 0.00 2.22 1.06 0.12 79.01 05:15:01 PM 5 24.40 0.00 3.82 1.55 0.12 70.11 05:15:01 PM 6 29.24 0.00 4.17 0.89 0.13 65.56 05:15:01 PM 7 12.01 0.00 2.67 1.98 0.08 83.25 Average: all 19.69 0.00 1.92 1.70 0.10 76.59 Average: 0 16.84 0.00 1.39 0.60 0.09 81.07 Average: 1 11.38 0.00 1.82 2.00 0.10 84.72 Average: 2 18.24 0.00 1.95 2.64 0.10 77.08 Average: 3 20.54 0.00 1.46 0.21 0.09 77.70 Average: 4 24.09 0.00 1.97 2.95 0.10 70.88 Average: 5 19.00 0.00 2.00 1.89 0.09 77.02 Average: 6 23.34 0.00 2.41 1.37 0.10 72.78 Average: 7 24.13 0.00 2.35 1.98 0.09 71.45