---> uname -a: Linux prd-centos8-docker-4c-4g-2819.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): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 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): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 733 12211 19 2818 14695 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:d6:5f:bf brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.106.136/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86065sec preferred_lft 86065sec inet6 fe80::f816:3eff:fed6:5fbf/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:49:6a:31:96 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) 04/01/2026 _x86_64_ (4 CPU) 13:22:34 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 79.37 21.29 58.08 5403.40 4733.42 01:25:01 PM 127.40 14.90 112.50 3222.40 7995.20 01:26:01 PM 194.50 5.70 188.80 1039.56 14121.78 01:27:01 PM 23.94 0.52 23.43 16.52 1755.13 01:28:01 PM 54.77 3.12 51.65 139.42 9420.69 Average: 95.98 9.10 86.88 1963.99 7604.23 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13329768 15063820 2811764 17.42 2688 1954068 1210632 7.04 173352 2300448 168636 01:25:01 PM 12887368 14889104 3254164 20.16 2688 2211300 1324236 7.70 158860 2715192 161532 01:26:01 PM 11638864 13930548 4502668 27.89 2688 2495048 2217336 12.90 246456 3841996 42068 01:27:01 PM 11419848 13714216 4721684 29.25 2688 2497408 2416592 14.06 255024 4054212 344 01:28:01 PM 12573076 15116820 3568456 22.11 2688 2744604 1097840 6.39 532984 2624296 8612 Average: 12369785 14542902 3771747 23.37 2688 2380486 1653327 9.62 273335 3107229 76238 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 312.01 173.04 1573.93 52.04 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 100.97 74.75 989.01 33.06 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 1.33 1.33 0.12 0.12 0.00 0.00 0.00 0.00 01:26:01 PM eth0 357.01 259.31 3999.38 46.86 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 27.22 27.22 5.29 5.29 0.00 0.00 0.00 0.00 01:27:01 PM eth0 35.80 22.19 12.63 19.87 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 PM lo 0.90 0.90 0.72 0.72 0.00 0.00 0.00 0.00 01:28:01 PM eth0 71.74 78.61 283.08 934.11 0.00 0.00 0.00 0.00 01:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 5.89 5.89 1.23 1.23 0.00 0.00 0.00 0.00 Average: eth0 175.48 121.56 1371.35 217.17 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) 04/01/2026 _x86_64_ (4 CPU) 13:22:34 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 17.06 0.00 2.39 4.17 0.08 76.30 01:24:01 PM 0 15.41 0.00 2.26 7.18 0.10 75.05 01:24:01 PM 1 22.01 0.00 2.19 1.22 0.08 74.49 01:24:01 PM 2 9.95 0.00 2.33 2.86 0.08 84.77 01:24:01 PM 3 20.84 0.00 2.78 5.42 0.07 70.90 01:25:01 PM all 16.37 0.00 1.83 5.55 0.08 76.17 01:25:01 PM 0 25.00 0.00 2.45 2.12 0.08 70.34 01:25:01 PM 1 10.34 0.00 1.46 7.81 0.07 80.32 01:25:01 PM 2 19.31 0.00 2.04 7.64 0.08 70.93 01:25:01 PM 3 10.81 0.00 1.36 4.65 0.07 83.12 01:26:01 PM all 45.71 0.00 2.19 5.35 0.15 46.61 01:26:01 PM 0 51.81 0.00 1.99 2.66 0.15 43.39 01:26:01 PM 1 43.47 0.00 2.07 9.72 0.15 44.59 01:26:01 PM 2 47.13 0.00 2.16 4.58 0.15 45.98 01:26:01 PM 3 40.40 0.00 2.53 4.45 0.13 52.49 01:27:01 PM all 16.82 0.00 0.71 0.61 0.06 81.80 01:27:01 PM 0 11.14 0.00 0.87 1.62 0.07 86.31 01:27:01 PM 1 13.55 0.00 0.79 0.30 0.05 85.31 01:27:01 PM 2 21.83 0.00 0.55 0.00 0.05 77.57 01:27:01 PM 3 20.76 0.00 0.62 0.53 0.07 78.02 01:28:01 PM all 20.27 0.00 1.90 1.57 0.08 76.18 01:28:01 PM 0 29.03 0.00 2.55 2.62 0.10 65.69 01:28:01 PM 1 22.53 0.00 1.59 1.29 0.10 74.49 01:28:01 PM 2 11.65 0.00 1.39 0.85 0.07 86.04 01:28:01 PM 3 17.84 0.00 2.05 1.54 0.07 78.50 Average: all 23.24 0.00 1.80 3.45 0.09 71.42 Average: 0 26.48 0.00 2.02 3.24 0.10 68.16 Average: 1 22.38 0.00 1.62 4.07 0.09 71.85 Average: 2 21.98 0.00 1.69 3.19 0.09 73.06 Average: 3 22.13 0.00 1.87 3.32 0.08 72.61