---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31864 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 640 10389 4 4958 15006 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:fe:d8:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.168/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84857sec preferred_lft 84857sec inet6 fe80::f816:3eff:fefe:d807/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:fe:c6:5d:a0:23 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-4c-4g-31864) 06/30/26 _x86_64_ (4 CPU) 17:09:30 LINUX RESTART (4 CPU) 17:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 39.69 3.96 34.94 0.79 245.17 4437.76 739.18 17:30:04 3.90 0.23 3.51 0.15 11.61 615.43 24.46 Average: 21.77 2.09 19.20 0.47 128.21 2523.62 381.27 17:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 10846432 13871844 2091696 12.78 113332 3072564 2447072 14.05 480404 4702860 7640 17:30:04 10482316 13703632 2258636 13.79 119880 3246016 2771804 15.91 524224 5003612 24976 Average: 10664374 13787738 2175166 13.29 116606 3159290 2609438 14.98 502314 4853236 16308 17:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 17:20:01 ens3 84.84 69.02 883.23 11.56 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:04 lo 0.79 0.79 0.38 0.38 0.00 0.00 0.00 0.00 17:30:04 ens3 10.85 9.03 61.61 1.78 0.00 0.00 0.00 0.00 17:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.64 0.64 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 47.78 38.98 471.78 6.67 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-4c-4g-31864) 06/30/26 _x86_64_ (4 CPU) 17:09:30 LINUX RESTART (4 CPU) 17:10:00 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 42.50 0.00 1.13 0.30 0.08 55.99 17:20:01 0 47.93 0.00 1.15 0.28 0.08 50.56 17:20:01 1 36.73 0.00 0.92 0.23 0.08 62.05 17:20:01 2 44.52 0.00 1.12 0.54 0.09 53.73 17:20:01 3 40.85 0.00 1.34 0.14 0.08 57.59 17:30:04 all 50.86 0.00 0.60 0.01 0.08 48.44 17:30:04 0 39.73 0.00 0.61 0.01 0.08 59.57 17:30:04 1 66.54 0.00 0.58 0.00 0.08 32.79 17:30:04 2 54.80 0.00 0.68 0.02 0.08 44.42 17:30:04 3 42.39 0.00 0.54 0.02 0.08 56.98 Average: all 46.69 0.00 0.87 0.16 0.08 52.21 Average: 0 43.82 0.00 0.88 0.15 0.08 55.08 Average: 1 51.65 0.00 0.75 0.12 0.08 47.41 Average: 2 49.68 0.00 0.90 0.28 0.08 49.06 Average: 3 41.62 0.00 0.94 0.08 0.08 57.29