---> uname -a: Linux prd-centos8-docker-8c-8g-5287.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 1040 27232 19 3617 30390 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:80:54:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.100/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:fe80:546c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:86:bb:62:73 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::42:86ff:febb:6273/64 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) 02/04/2026 _x86_64_ (8 CPU) 17:11:17 LINUX RESTART (8 CPU) 05:12:02 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 278.46 14.71 263.76 3252.19 14072.84 05:14:01 PM 394.17 4.82 389.35 1166.21 13018.51 05:15:01 PM 231.07 3.23 227.84 537.02 41011.46 Average: 301.36 7.55 293.81 1642.89 22749.67 05:12:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 28866292 30845604 3789420 11.60 2688 2292712 1781604 5.29 196064 3112752 146504 05:14:01 PM 27904140 30233352 4751572 14.55 2688 2635704 2127000 6.31 395196 3844780 167040 05:15:01 PM 27884080 31115492 4771632 14.61 2688 3528132 1544200 4.58 641232 3585720 165440 Average: 28218171 30731483 4437541 13.59 2688 2818849 1817601 5.39 410831 3514417 159661 05:12:02 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 299.93 258.59 3278.70 59.24 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 371.94 308.18 4852.43 41.16 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 551.78 482.09 6001.84 1384.41 0.00 0.00 0.00 0.00 05:15:01 PM docker0 7.01 15.39 0.52 255.11 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 408.49 350.13 4718.98 497.39 0.00 0.00 0.00 0.00 Average: docker0 2.35 5.16 0.18 85.52 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) 02/04/2026 _x86_64_ (8 CPU) 17:11:17 LINUX RESTART (8 CPU) 05:12:02 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 16.08 0.00 1.44 0.94 0.06 81.47 05:13:01 PM 0 8.83 0.00 1.09 0.99 0.08 89.01 05:13:01 PM 1 16.92 0.00 0.88 0.65 0.07 81.49 05:13:01 PM 2 11.54 0.00 1.36 1.09 0.05 85.96 05:13:01 PM 3 23.82 0.00 1.54 1.36 0.07 73.21 05:13:01 PM 4 21.35 0.00 2.71 1.19 0.05 74.70 05:13:01 PM 5 14.58 0.00 1.00 0.36 0.07 83.99 05:13:01 PM 6 16.68 0.00 2.02 1.26 0.05 79.99 05:13:01 PM 7 14.92 0.00 0.92 0.63 0.07 83.46 05:14:01 PM all 23.73 0.00 1.39 0.94 0.07 73.88 05:14:01 PM 0 17.77 0.00 0.94 0.07 0.07 81.16 05:14:01 PM 1 39.93 0.00 0.72 0.20 0.08 59.07 05:14:01 PM 2 29.27 0.00 2.04 2.40 0.07 66.22 05:14:01 PM 3 29.31 0.00 1.99 0.49 0.08 68.13 05:14:01 PM 4 15.42 0.00 1.14 0.57 0.05 82.83 05:14:01 PM 5 20.61 0.00 1.09 0.42 0.05 77.83 05:14:01 PM 6 19.97 0.00 1.55 1.71 0.05 76.72 05:14:01 PM 7 17.49 0.00 1.66 1.66 0.08 79.10 05:15:01 PM all 17.19 0.00 2.55 0.99 0.07 79.20 05:15:01 PM 0 22.15 0.00 2.43 0.79 0.08 74.55 05:15:01 PM 1 15.74 0.00 3.00 1.34 0.08 79.83 05:15:01 PM 2 31.25 0.00 2.75 1.64 0.08 64.27 05:15:01 PM 3 20.03 0.00 3.19 1.21 0.07 75.50 05:15:01 PM 4 12.68 0.00 2.25 0.82 0.07 84.18 05:15:01 PM 5 12.68 0.00 2.13 0.57 0.07 84.55 05:15:01 PM 6 7.25 0.00 2.38 0.84 0.08 89.44 05:15:01 PM 7 15.74 0.00 2.25 0.69 0.05 81.28 Average: all 19.02 0.00 1.79 0.95 0.07 78.17 Average: 0 16.28 0.00 1.49 0.61 0.08 81.54 Average: 1 24.25 0.00 1.54 0.73 0.08 73.41 Average: 2 24.08 0.00 2.06 1.71 0.07 72.08 Average: 3 24.40 0.00 2.24 1.02 0.07 72.27 Average: 4 16.46 0.00 2.03 0.86 0.06 80.60 Average: 5 15.97 0.00 1.41 0.45 0.06 82.11 Average: 6 14.63 0.00 1.98 1.27 0.06 82.06 Average: 7 16.05 0.00 1.61 0.99 0.07 81.27