---> uname -a: Linux prd-centos8-docker-4c-4g-3174.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 10G 71G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15763 740 12259 19 2762 14687 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:c7:2d:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.122/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86141sec preferred_lft 86141sec inet6 fe80::f816:3eff:fec7:2dae/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ba:30:9d:1a 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) 01/26/2026 _x86_64_ (4 CPU) 13:22:58 LINUX RESTART (4 CPU) 01:24:01 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 277.18 16.42 260.76 3903.80 12750.05 01:26:01 PM 57.59 4.57 53.02 346.08 8821.56 01:27:01 PM 54.52 1.43 53.08 91.17 9081.51 Average: 129.78 7.47 122.31 1447.35 10218.07 01:24:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 12286316 14502764 3855216 23.88 2688 2420256 1613532 9.39 211200 3233900 245144 01:26:01 PM 11475104 13712416 4666428 28.91 2688 2440124 2403096 13.98 249652 3997568 920 01:27:01 PM 12572228 15063412 3569304 22.11 2688 2692100 1123120 6.53 521136 2633104 29792 Average: 12111216 14426197 4030316 24.97 2688 2517493 1713249 9.97 327329 3288191 91952 01:24:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 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 463.19 319.97 4506.90 65.69 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 23.80 23.80 4.96 4.96 0.00 0.00 0.00 0.00 01:26:01 PM eth0 38.64 29.33 103.64 18.73 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 4.90 4.90 1.10 1.10 0.00 0.00 0.00 0.00 01:27:01 PM eth0 65.53 73.91 277.89 935.00 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 Average: lo 9.56 9.56 2.02 2.02 0.00 0.00 0.00 0.00 Average: eth0 189.16 141.10 1629.88 339.79 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) 01/26/2026 _x86_64_ (4 CPU) 13:22:58 LINUX RESTART (4 CPU) 01:24:01 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 34.91 0.00 2.87 2.38 0.10 59.74 01:25:01 PM 0 27.12 0.00 2.24 1.22 0.10 69.32 01:25:01 PM 1 36.03 0.00 2.66 2.88 0.10 58.33 01:25:01 PM 2 30.62 0.00 4.00 3.33 0.08 61.97 01:25:01 PM 3 45.91 0.00 2.58 2.09 0.10 49.32 01:26:01 PM all 37.79 0.00 0.95 0.61 0.09 60.56 01:26:01 PM 0 45.17 0.00 0.42 0.10 0.07 54.25 01:26:01 PM 1 46.55 0.00 0.65 0.00 0.10 52.70 01:26:01 PM 2 35.68 0.00 1.60 0.50 0.10 62.12 01:26:01 PM 3 23.76 0.00 1.12 1.85 0.08 73.18 01:27:01 PM all 20.86 0.00 1.73 0.79 0.07 76.54 01:27:01 PM 0 9.35 0.00 1.32 0.12 0.08 89.13 01:27:01 PM 1 32.80 0.00 1.90 0.87 0.07 64.36 01:27:01 PM 2 16.02 0.00 1.74 0.25 0.08 81.91 01:27:01 PM 3 25.27 0.00 1.97 1.94 0.05 70.77 Average: all 31.19 0.00 1.85 1.26 0.08 65.62 Average: 0 27.21 0.00 1.33 0.48 0.08 70.90 Average: 1 38.46 0.00 1.74 1.25 0.09 58.46 Average: 2 27.44 0.00 2.45 1.36 0.09 68.66 Average: 3 31.64 0.00 1.89 1.96 0.08 64.43