---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26908 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: 5600.00 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 618 10196 4 5174 15028 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:3c:61:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.238/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84862sec preferred_lft 84862sec inet6 fe80::f816:3eff:fe3c:6151/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:fd:18:a9:f0:4f 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-26908) 06/12/26 _x86_64_ (4 CPU) 17:09:32 LINUX RESTART (4 CPU) 17:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 55.56 10.49 44.01 1.06 1790.67 5569.92 1946.40 17:30:00 3.97 0.24 3.58 0.16 11.68 622.49 206.84 Average: 29.79 5.37 23.81 0.61 902.18 3098.99 1077.60 17:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 10671200 13913704 2048964 12.51 115712 3284580 2413780 13.86 617280 4739300 2888 17:30:00 10321500 13764760 2196492 13.42 122340 3462416 2790036 16.01 661888 5023088 24020 Average: 10496350 13839232 2122728 12.96 119026 3373498 2601908 14.93 639584 4881194 13454 17:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 17:20:01 ens3 123.33 87.15 1066.79 15.48 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 17:30:00 lo 0.80 0.80 0.38 0.38 0.00 0.00 0.00 0.00 17:30:00 ens3 9.29 8.45 61.30 1.76 0.00 0.00 0.00 0.00 17:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.67 0.67 0.22 0.22 0.00 0.00 0.00 0.00 Average: ens3 66.37 47.84 564.61 8.62 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-26908) 06/12/26 _x86_64_ (4 CPU) 17:09:32 LINUX RESTART (4 CPU) 17:10:00 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 42.36 0.00 1.20 1.48 0.08 54.88 17:20:01 0 43.61 0.00 1.40 3.48 0.08 51.43 17:20:01 1 41.08 0.00 1.11 1.40 0.07 56.34 17:20:01 2 45.84 0.00 1.21 0.34 0.08 52.53 17:20:01 3 38.90 0.00 1.07 0.72 0.08 59.24 17:30:00 all 49.39 0.00 0.61 0.02 0.08 49.90 17:30:00 0 43.13 0.00 0.69 0.03 0.09 56.06 17:30:00 1 54.45 0.00 0.49 0.01 0.08 44.97 17:30:00 2 63.06 0.00 0.68 0.01 0.08 36.17 17:30:00 3 36.91 0.00 0.58 0.04 0.07 62.40 Average: all 45.87 0.00 0.90 0.75 0.08 52.39 Average: 0 43.37 0.00 1.05 1.76 0.08 53.74 Average: 1 47.76 0.00 0.80 0.70 0.08 50.66 Average: 2 54.45 0.00 0.94 0.18 0.08 44.35 Average: 3 37.90 0.00 0.82 0.38 0.07 60.82