---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20973 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 677 10560 4 4751 14969 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:21:74:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84372sec preferred_lft 84372sec inet6 fe80::f816:3eff:fe21:74a3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:55:98:1d:b5:7c 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20973) 02/26/26 _x86_64_ (4 CPU) 11:05:28 LINUX RESTART (4 CPU) 11:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:01 42.71 3.71 37.97 1.03 237.35 4290.88 1064.24 11:30:01 15.43 0.86 13.27 1.30 28.41 2902.33 3689.17 Average: 29.07 2.28 25.62 1.16 132.88 3596.61 2376.71 11:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:01 10718252 13704024 2258548 13.79 118984 3018136 2606320 14.96 512200 4798652 30320 11:30:01 9110064 13205112 2748340 16.79 163212 3988524 2961536 17.00 766840 6033196 276768 Average: 9914158 13454568 2503444 15.29 141098 3503330 2783928 15.98 639520 5415924 153544 11:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:01 lo 0.81 0.81 0.10 0.10 0.00 0.00 0.00 0.00 11:20:01 ens3 103.50 81.26 896.64 16.41 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 272.52 272.52 258.64 258.64 0.00 0.00 0.00 0.00 11:30:01 ens3 96.38 68.06 366.99 18.01 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 136.66 136.66 129.37 129.37 0.00 0.00 0.00 0.00 Average: ens3 99.94 74.66 631.82 17.21 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-20973) 02/26/26 _x86_64_ (4 CPU) 11:05:28 LINUX RESTART (4 CPU) 11:10:01 CPU %user %nice %system %iowait %steal %idle 11:20:01 all 35.24 0.00 1.34 0.29 0.07 63.07 11:20:01 0 38.88 0.00 1.55 0.13 0.06 59.39 11:20:01 1 36.39 0.00 1.58 0.84 0.07 61.13 11:20:01 2 33.15 0.00 1.11 0.08 0.07 65.59 11:20:01 3 32.57 0.00 1.11 0.09 0.07 66.16 11:30:01 all 70.88 0.00 2.35 0.81 0.12 25.84 11:30:01 0 69.67 0.00 2.24 0.05 0.12 27.91 11:30:01 1 72.31 0.00 2.22 0.95 0.12 24.39 11:30:01 2 71.52 0.00 2.82 1.10 0.13 24.43 11:30:01 3 70.00 0.00 2.12 1.12 0.12 26.65 Average: all 53.06 0.00 1.84 0.55 0.09 44.45 Average: 0 54.29 0.00 1.90 0.09 0.09 43.63 Average: 1 54.36 0.00 1.90 0.90 0.10 42.75 Average: 2 52.33 0.00 1.97 0.59 0.10 45.01 Average: 3 51.27 0.00 1.61 0.60 0.09 46.42