---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-20100 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 Stepping: 0 BogoMIPS: 5599.99 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 9.7G 146G 7% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 714 27264 4 4113 30910 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: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:4e:1e:d6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84956sec preferred_lft 84956sec inet6 fe80::f816:3eff:fe4e:1ed6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:98:49:c2:cc:d1 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 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-20100) 05/25/26 _x86_64_ (8 CPU) 19:58:45 LINUX RESTART (8 CPU) 20:00:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:10:04 57.60 3.62 35.76 18.22 188.36 16682.77 537397.08 20:20:01 19.98 0.15 17.67 2.16 5.76 5484.62 7755.79 Average: 38.48 1.86 26.57 10.06 95.58 10992.99 268286.38 20:00:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:10:04 25959956 29376828 2933896 8.93 149152 3514964 3213452 9.48 679016 5796688 20324 20:20:01 25069368 28959316 3347152 10.19 171396 3929572 3348348 9.87 786008 6523236 32 Average: 25514662 29168072 3140524 9.56 160274 3722268 3280900 9.68 732512 6159962 10178 20:00:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:10:04 lo 931.27 931.27 887.18 887.18 0.00 0.00 0.00 0.00 20:10:04 ens3 127.28 95.33 1113.43 21.15 0.00 0.00 0.00 0.00 20:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:01 lo 834.84 834.84 793.96 793.96 0.00 0.00 0.00 0.00 20:20:01 ens3 23.01 18.83 12.41 8.61 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 882.27 882.27 839.82 839.82 0.00 0.00 0.00 0.00 Average: ens3 74.30 56.46 554.00 14.78 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 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-20100) 05/25/26 _x86_64_ (8 CPU) 19:58:45 LINUX RESTART (8 CPU) 20:00:25 CPU %user %nice %system %iowait %steal %idle 20:10:04 all 31.33 0.00 1.51 2.46 0.12 64.59 20:10:04 0 26.12 0.00 1.44 7.73 0.10 64.61 20:10:04 1 30.43 0.00 1.54 3.94 0.13 63.96 20:10:04 2 30.30 0.00 1.47 1.07 0.10 67.05 20:10:04 3 32.24 0.00 1.55 1.78 0.11 64.32 20:10:04 4 32.48 0.00 1.45 0.79 0.14 65.14 20:10:04 5 34.09 0.00 1.52 0.78 0.16 63.45 20:10:04 6 30.49 0.00 1.60 1.00 0.10 66.81 20:10:04 7 34.49 0.00 1.47 2.56 0.12 61.36 20:20:01 all 25.21 0.00 1.07 0.09 0.08 73.55 20:20:01 0 23.64 0.00 0.95 0.04 0.07 75.30 20:20:01 1 25.41 0.00 1.11 0.23 0.08 73.18 20:20:01 2 25.83 0.00 1.35 0.10 0.08 72.64 20:20:01 3 30.99 0.00 1.04 0.02 0.08 67.88 20:20:01 4 20.71 0.00 0.96 0.06 0.07 78.21 20:20:01 5 23.53 0.00 0.96 0.03 0.07 75.42 20:20:01 6 23.35 0.00 1.16 0.15 0.07 75.27 20:20:01 7 28.27 0.00 1.03 0.11 0.09 70.51 Average: all 28.21 0.00 1.28 1.25 0.10 69.15 Average: 0 24.86 0.00 1.19 3.81 0.09 70.05 Average: 1 27.87 0.00 1.32 2.05 0.10 68.65 Average: 2 28.02 0.00 1.41 0.58 0.09 69.90 Average: 3 31.60 0.00 1.29 0.89 0.09 66.13 Average: 4 26.48 0.00 1.20 0.42 0.10 71.79 Average: 5 28.71 0.00 1.23 0.40 0.11 69.55 Average: 6 26.85 0.00 1.38 0.57 0.09 71.11 Average: 7 31.32 0.00 1.25 1.31 0.10 66.02