---> uname -a: Linux prd-centos8-docker-8c-8g-2901.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 1054 27219 19 3615 30376 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:db:f6:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.45/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86154sec preferred_lft 86154sec inet6 fe80::f816:3eff:fedb:f6ee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:59:62:ff:8e 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::42:59ff:fe62:ff8e/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) 03/18/2026 _x86_64_ (8 CPU) 17:11:16 LINUX RESTART (8 CPU) 05:12:02 PM tps rtps wtps bread/s bwrtn/s 05:13:01 PM 289.21 14.71 274.50 3252.19 12896.14 05:14:01 PM 468.72 6.33 462.39 1207.00 14737.93 05:15:01 PM 178.02 3.63 174.39 558.61 44451.63 Average: 312.10 8.19 303.92 1663.80 24091.26 05:12:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:13:01 PM 28800676 30799340 3855036 11.81 2688 2311724 1801316 5.34 197512 3175444 166792 05:14:01 PM 27348216 29837872 5307496 16.25 2688 2793664 2445248 7.26 418032 4368304 294472 05:15:01 PM 27886628 31118768 4769084 14.60 2688 3528268 1501728 4.46 815224 3410960 23120 Average: 28011840 30585327 4643872 14.22 2688 2877885 1916097 5.69 476923 3651569 161461 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 338.78 292.53 2999.47 62.65 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 599.95 495.88 7061.49 61.80 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 358.61 337.59 3489.07 2374.95 0.00 0.00 0.00 0.00 05:15:01 PM docker0 5.98 12.25 0.47 257.14 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 432.96 375.79 4525.01 837.48 0.00 0.00 0.00 0.00 Average: docker0 2.01 4.10 0.16 86.20 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) 03/18/2026 _x86_64_ (8 CPU) 17:11:16 LINUX RESTART (8 CPU) 05:12:02 PM CPU %user %nice %system %iowait %steal %idle 05:13:01 PM all 16.08 0.00 1.39 0.81 0.07 81.65 05:13:01 PM 0 19.46 0.00 2.07 0.73 0.08 77.65 05:13:01 PM 1 31.34 0.00 2.82 1.55 0.09 64.21 05:13:01 PM 2 16.10 0.00 0.92 0.27 0.07 82.64 05:13:01 PM 3 8.72 0.00 1.19 1.52 0.09 88.49 05:13:01 PM 4 12.97 0.00 0.90 0.32 0.07 85.74 05:13:01 PM 5 15.40 0.00 0.88 0.53 0.07 83.12 05:13:01 PM 6 8.42 0.00 1.34 1.16 0.05 89.03 05:13:01 PM 7 16.23 0.00 0.97 0.42 0.07 82.30 05:14:01 PM all 33.08 0.00 1.79 1.16 0.10 63.88 05:14:01 PM 0 33.73 0.00 3.49 3.07 0.10 59.61 05:14:01 PM 1 30.56 0.00 2.21 1.34 0.13 65.76 05:14:01 PM 2 29.85 0.00 1.83 1.21 0.08 67.04 05:14:01 PM 3 31.34 0.00 1.42 0.89 0.07 66.28 05:14:01 PM 4 21.86 0.00 1.54 0.42 0.10 76.07 05:14:01 PM 5 46.13 0.00 1.32 0.75 0.08 51.71 05:14:01 PM 6 31.00 0.00 1.26 0.59 0.12 67.04 05:14:01 PM 7 40.10 0.00 1.26 1.00 0.08 57.55 05:15:01 PM all 11.99 0.00 2.61 0.72 0.07 84.62 05:15:01 PM 0 7.70 0.00 2.11 0.07 0.08 90.03 05:15:01 PM 1 7.47 0.00 2.33 1.27 0.07 88.86 05:15:01 PM 2 8.20 0.00 2.57 0.89 0.10 88.24 05:15:01 PM 3 13.12 0.00 2.98 1.21 0.07 82.62 05:15:01 PM 4 22.85 0.00 2.99 0.87 0.05 73.24 05:15:01 PM 5 20.69 0.00 3.36 0.79 0.08 75.08 05:15:01 PM 6 5.85 0.00 2.46 0.55 0.07 91.07 05:15:01 PM 7 10.00 0.00 2.06 0.07 0.07 87.80 Average: all 20.40 0.00 1.93 0.90 0.08 76.69 Average: 0 20.30 0.00 2.56 1.29 0.09 75.76 Average: 1 23.08 0.00 2.45 1.39 0.10 72.99 Average: 2 18.07 0.00 1.77 0.79 0.08 79.28 Average: 3 17.77 0.00 1.87 1.20 0.07 79.08 Average: 4 19.26 0.00 1.81 0.54 0.07 78.32 Average: 5 27.47 0.00 1.86 0.69 0.08 69.91 Average: 6 15.12 0.00 1.69 0.76 0.08 82.34 Average: 7 22.15 0.00 1.43 0.50 0.07 75.85