---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-897 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 68G 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 688 10426 4 4874 14958 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:8b:e5:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.220/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84514sec preferred_lft 84514sec inet6 fe80::f816:3eff:fe8b:e5dd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:b7:d1:4e:2f:79 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-897) 07/31/26 _x86_64_ (4 CPU) 12:59:04 LINUX RESTART (4 CPU) 13:00:34 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:16 17.39 2.94 13.81 0.64 166.80 3553.36 1156.06 13:20:01 23.71 12.65 9.93 1.12 153.32 2224.99 2462.45 13:30:05 29.15 0.58 23.93 4.64 24.15 3639.65 9422.80 Average: 23.49 5.34 15.98 2.17 113.66 3144.18 4408.93 13:00:34 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:16 11006876 14112008 1850228 11.30 119728 3130556 2503152 14.37 505908 4484028 67012 13:20:01 9808832 13552548 2402964 14.68 151056 3664368 2729560 15.67 695836 5422704 18852 13:30:05 10738872 15373944 575856 3.52 176016 4475072 1084644 6.23 952276 4165928 11140 Average: 10518193 14346167 1609683 9.83 148933 3756665 2105785 12.09 718007 4690887 32335 13:00:34 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:16 lo 0.66 0.66 0.06 0.06 0.00 0.00 0.00 0.00 13:10:16 ens3 87.38 71.41 903.45 13.04 0.00 0.00 0.00 0.00 13:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 1.46 1.46 0.14 0.14 0.00 0.00 0.00 0.00 13:20:01 ens3 62.69 52.33 54.53 18.23 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:05 lo 1625.65 1625.65 1536.90 1536.90 0.00 0.00 0.00 0.00 13:30:05 ens3 123.73 106.97 417.45 188.78 0.00 0.00 0.00 0.00 13:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 555.54 555.54 524.62 524.62 0.00 0.00 0.00 0.00 Average: ens3 91.63 77.25 457.26 74.74 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-897) 07/31/26 _x86_64_ (4 CPU) 12:59:04 LINUX RESTART (4 CPU) 13:00:34 CPU %user %nice %system %iowait %steal %idle 13:10:16 all 27.89 0.00 0.99 0.08 0.06 70.99 13:10:16 0 26.65 0.00 1.00 0.12 0.05 72.18 13:10:16 1 28.51 0.00 1.03 0.11 0.07 70.29 13:10:16 2 29.65 0.00 1.06 0.05 0.05 69.19 13:10:16 3 26.74 0.00 0.85 0.06 0.06 72.30 13:20:01 all 71.79 0.07 2.22 0.07 0.11 25.73 13:20:01 0 70.41 0.00 1.99 0.04 0.11 27.45 13:20:01 1 72.95 0.22 2.44 0.12 0.11 24.16 13:20:01 2 70.68 0.00 2.32 0.05 0.11 26.84 13:20:01 3 73.13 0.07 2.15 0.08 0.11 24.46 13:30:05 all 38.48 0.00 1.98 0.10 0.08 59.36 13:30:05 0 36.29 0.00 2.13 0.05 0.08 61.45 13:30:05 1 35.15 0.00 1.81 0.11 0.07 62.85 13:30:05 2 40.78 0.00 2.18 0.14 0.07 56.83 13:30:05 3 41.72 0.00 1.80 0.11 0.08 56.29 Average: all 46.00 0.02 1.74 0.09 0.08 52.08 Average: 0 44.40 0.00 1.71 0.07 0.08 53.74 Average: 1 45.43 0.07 1.76 0.11 0.08 52.54 Average: 2 46.99 0.00 1.86 0.08 0.08 50.99 Average: 3 47.17 0.02 1.60 0.08 0.08 51.04