---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27129 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 637 10294 4 5057 15009 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:ce:ab:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84902sec preferred_lft 84902sec inet6 fe80::f816:3eff:fece:ab65/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:51:e3:d1:f4:cb 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-27129) 06/13/26 _x86_64_ (4 CPU) 17:09:31 LINUX RESTART (4 CPU) 17:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 58.44 5.74 38.29 14.40 593.52 5210.53 241387.77 17:30:20 9.33 0.54 8.37 0.42 21.38 1739.29 1343.86 Average: 33.51 3.10 23.10 7.30 303.05 3448.22 119519.90 17:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 10488548 13642944 2319008 14.16 116712 3194276 2810976 16.13 520908 5008828 29536 17:30:20 10052932 13675972 2282396 13.94 135400 3613508 2524924 14.49 627980 5302012 9632 Average: 10270740 13659458 2300702 14.05 126056 3403892 2667950 15.31 574444 5155420 19584 17:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.57 0.57 0.06 0.06 0.00 0.00 0.00 0.00 17:20:01 ens3 98.63 75.99 1007.61 13.72 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 17:30:20 lo 79.58 79.58 75.35 75.35 0.00 0.00 0.00 0.00 17:30:20 ens3 36.81 26.54 437.81 3.48 0.00 0.00 0.00 0.00 17:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 40.69 40.69 38.28 38.28 0.00 0.00 0.00 0.00 Average: ens3 67.25 50.88 718.33 8.52 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-27129) 06/13/26 _x86_64_ (4 CPU) 17:09:31 LINUX RESTART (4 CPU) 17:10:01 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 45.49 0.00 1.29 0.38 0.08 52.77 17:20:01 0 45.72 0.00 1.21 0.23 0.07 52.77 17:20:01 1 48.85 0.00 1.30 0.55 0.08 49.22 17:20:01 2 45.96 0.00 1.40 0.43 0.08 52.13 17:20:01 3 41.43 0.00 1.25 0.32 0.07 56.93 17:30:20 all 48.19 0.00 0.77 0.04 0.08 50.92 17:30:20 0 46.13 0.00 0.84 0.04 0.08 52.90 17:30:20 1 61.28 0.00 0.62 0.02 0.08 38.00 17:30:20 2 46.28 0.00 0.78 0.01 0.07 52.85 17:30:20 3 39.10 0.00 0.84 0.07 0.08 59.90 Average: all 46.86 0.00 1.03 0.21 0.08 51.83 Average: 0 45.93 0.00 1.02 0.14 0.08 52.84 Average: 1 55.16 0.00 0.96 0.28 0.08 43.52 Average: 2 46.12 0.00 1.09 0.22 0.08 52.50 Average: 3 40.25 0.00 1.04 0.19 0.07 58.44