---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26206 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 12G 67G 15% / 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 729 9550 4 5709 14916 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:1f:05:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.6/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84479sec preferred_lft 84479sec inet6 fe80::f816:3eff:fe1f:5c8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:91:ca:2e:2d:11 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-26206) 06/09/26 _x86_64_ (4 CPU) 12:38:41 LINUX RESTART (4 CPU) 12:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:22 29.64 3.44 24.37 1.83 180.06 6134.25 3118.66 13:00:22 33.10 0.04 29.65 3.40 1.31 3107.77 14848.40 13:10:00 20.06 0.33 17.28 2.44 15.03 6089.84 2190.23 Average: 27.71 1.31 23.85 2.55 67.33 5109.88 6734.89 12:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:22 9403816 13118224 2838372 17.34 154112 3648560 3070172 17.62 697316 5856588 17808 13:00:22 8778068 13047196 2905156 17.74 181052 4131032 3077428 17.66 852128 6258168 15340 13:10:00 9859904 15346964 599336 3.66 209380 5251816 1132836 6.50 933288 5027032 10892 Average: 9347263 13837461 2114288 12.91 181515 4343803 2426812 13.93 827577 5713929 14680 12:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:22 lo 559.28 559.28 532.37 532.37 0.00 0.00 0.00 0.00 12:50:22 ens3 111.75 86.27 903.81 18.63 0.00 0.00 0.00 0.00 12:50:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:22 lo 1604.51 1604.51 1529.48 1529.48 0.00 0.00 0.00 0.00 13:00:22 ens3 43.69 33.17 137.91 11.00 0.00 0.00 0.00 0.00 13:00:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:00 lo 12.17 12.17 1.25 1.25 0.00 0.00 0.00 0.00 13:10:00 ens3 87.28 83.48 130.76 238.54 0.00 0.00 0.00 0.00 13:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 732.18 732.18 694.35 694.35 0.00 0.00 0.00 0.00 Average: ens3 81.16 67.65 399.58 86.80 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-26206) 06/09/26 _x86_64_ (4 CPU) 12:38:41 LINUX RESTART (4 CPU) 12:40:02 CPU %user %nice %system %iowait %steal %idle 12:50:22 all 52.33 0.00 1.90 0.14 0.09 45.54 12:50:22 0 50.73 0.00 1.80 0.17 0.09 47.20 12:50:22 1 50.03 0.00 2.05 0.22 0.08 47.62 12:50:22 2 54.39 0.00 2.00 0.10 0.09 43.43 12:50:22 3 54.17 0.00 1.76 0.07 0.09 43.91 13:00:22 all 58.59 0.00 2.48 0.25 0.11 38.56 13:00:22 0 59.03 0.00 2.12 0.11 0.11 38.62 13:00:22 1 59.72 0.00 2.60 0.49 0.11 37.08 13:00:22 2 56.07 0.00 2.28 0.27 0.11 41.27 13:00:22 3 59.56 0.00 2.92 0.15 0.11 37.26 13:10:00 all 45.47 0.00 1.62 0.08 0.10 52.74 13:10:00 0 43.43 0.00 1.34 0.02 0.09 55.12 13:10:00 1 48.18 0.00 1.98 0.08 0.10 49.66 13:10:00 2 49.94 0.00 1.99 0.05 0.10 47.92 13:10:00 3 40.32 0.00 1.18 0.15 0.09 58.25 Average: all 52.21 0.00 2.01 0.16 0.10 45.53 Average: 0 51.15 0.00 1.76 0.10 0.10 46.89 Average: 1 52.66 0.00 2.21 0.26 0.10 44.76 Average: 2 53.52 0.00 2.09 0.14 0.10 44.15 Average: 3 51.50 0.00 1.96 0.12 0.10 46.32