---> uname -a: Linux prd-centos8-docker-8c-8g-1585.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 11G 150G 7% / tmpfs 3.2G 0 3.2G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 31890 1020 28413 19 2457 30420 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:d9:66:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.64/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fed9:6678/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:85:f3:f2:cb 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 ---> sar -b -r -n DEV: Linux 4.18.0-448.el8.x86_64 (centos-stream-8-docker-63ec32c8-5733-60f9-7d79-7a12e2b2c472.nova) 01/20/2026 _x86_64_ (8 CPU) 05:17:23 LINUX RESTART (8 CPU) 05:18:01 AM tps rtps wtps bread/s bwrtn/s 05:19:01 AM 155.33 3.13 152.20 353.62 9534.41 05:20:01 AM 197.93 2.50 195.43 950.51 10125.10 05:21:01 AM 72.13 0.95 71.18 43.44 5770.10 Average: 141.79 2.19 139.60 449.14 8476.29 05:18:01 AM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:19:01 AM 28508144 30276784 4147568 12.70 2688 2085116 2527860 7.50 155508 3527716 154268 05:20:01 AM 27380944 29379356 5274768 16.15 2688 2307328 3003512 8.91 223456 4549356 106256 05:21:01 AM 29057920 31110384 3597792 11.02 2688 2358520 1453388 4.31 410324 2686644 41536 Average: 28315669 30255508 4340043 13.29 2688 2250321 2328253 6.91 263096 3587905 100687 05:18:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:19:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:19:01 AM eth0 170.28 148.67 1621.46 52.28 0.00 0.00 0.00 0.00 05:19:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:01 AM lo 1.05 1.05 0.12 0.12 0.00 0.00 0.00 0.00 05:20:01 AM eth0 242.39 219.88 2436.62 46.11 0.00 0.00 0.00 0.00 05:20:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:21:01 AM eth0 156.49 159.19 345.87 171.11 0.00 0.00 0.00 0.00 05:21:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 Average: eth0 189.71 175.91 1467.87 89.84 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 01/20/2026 _x86_64_ (8 CPU) 05:17:23 LINUX RESTART (8 CPU) 05:18:01 AM CPU %user %nice %system %iowait %steal %idle 05:19:01 AM all 14.29 0.00 1.31 0.70 0.06 83.65 05:19:01 AM 0 17.93 0.00 1.03 0.22 0.07 80.75 05:19:01 AM 1 23.68 0.00 2.29 0.95 0.08 73.00 05:19:01 AM 2 23.73 0.00 1.49 0.65 0.07 74.07 05:19:01 AM 3 10.50 0.00 1.34 0.92 0.07 87.18 05:19:01 AM 4 5.28 0.00 1.17 0.52 0.03 92.99 05:19:01 AM 5 16.87 0.00 1.20 0.53 0.03 81.36 05:19:01 AM 6 11.37 0.00 0.62 0.08 0.08 87.84 05:19:01 AM 7 4.90 0.00 1.32 1.69 0.07 92.02 05:20:01 AM all 41.28 0.00 1.62 0.88 0.08 56.14 05:20:01 AM 0 42.79 0.00 1.52 0.33 0.10 55.26 05:20:01 AM 1 38.08 0.00 1.69 0.80 0.07 59.37 05:20:01 AM 2 42.16 0.00 1.65 1.65 0.10 54.44 05:20:01 AM 3 42.95 0.00 1.61 0.74 0.07 54.64 05:20:01 AM 4 36.80 0.00 1.34 0.57 0.08 61.22 05:20:01 AM 5 38.60 0.00 2.12 1.47 0.08 57.73 05:20:01 AM 6 41.79 0.00 1.15 0.22 0.07 56.77 05:20:01 AM 7 47.09 0.00 1.86 1.26 0.10 49.70 05:21:01 AM all 28.07 0.00 1.48 0.44 0.09 69.93 05:21:01 AM 0 25.29 0.00 1.82 0.07 0.13 72.69 05:21:01 AM 1 30.96 0.00 1.82 0.85 0.08 66.29 05:21:01 AM 2 27.11 0.00 1.81 2.04 0.08 68.96 05:21:01 AM 3 29.64 0.00 1.42 0.25 0.10 68.59 05:21:01 AM 4 30.14 0.00 1.50 0.07 0.10 68.19 05:21:01 AM 5 29.59 0.00 1.30 0.07 0.07 68.97 05:21:01 AM 6 22.28 0.00 1.00 0.15 0.05 76.52 05:21:01 AM 7 29.51 0.00 1.15 0.02 0.07 69.26 Average: all 27.88 0.00 1.47 0.67 0.08 69.91 Average: 0 28.67 0.00 1.46 0.21 0.10 69.57 Average: 1 30.90 0.00 1.93 0.87 0.08 66.22 Average: 2 31.00 0.00 1.65 1.45 0.08 65.82 Average: 3 27.70 0.00 1.45 0.63 0.08 70.13 Average: 4 24.08 0.00 1.34 0.38 0.07 74.13 Average: 5 28.35 0.00 1.54 0.69 0.06 69.36 Average: 6 25.14 0.00 0.92 0.15 0.07 73.72 Average: 7 27.16 0.00 1.44 0.99 0.08 70.33