---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26160 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: 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 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 685 10211 4 5092 14961 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:be:c8:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84589sec preferred_lft 84589sec inet6 fe80::f816:3eff:febe:c848/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:03:6c:84:9d:cd 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-26160) 06/09/26 _x86_64_ (4 CPU) 10:11:10 LINUX RESTART (4 CPU) 10:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:01 11.11 0.44 9.64 1.03 16.25 2525.32 2840.33 10:40:01 25.78 0.77 21.11 3.90 26.08 3788.97 2523.12 Average: 18.46 0.61 15.38 2.47 21.17 3157.98 2681.52 10:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:01 9524536 13416968 2539104 15.51 151132 3827088 2889972 16.59 790444 5629620 30196 10:40:01 10499616 15354200 595184 3.64 176236 4701116 1115456 6.40 1046768 4303972 48 Average: 10012076 14385584 1567144 9.57 163684 4264102 2002714 11.50 918606 4966796 15122 10:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:01 lo 1.35 1.35 0.13 0.13 0.00 0.00 0.00 0.00 10:30:01 ens3 65.38 49.49 141.66 16.68 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 1639.51 1639.51 1551.56 1551.56 0.00 0.00 0.00 0.00 10:40:01 ens3 106.71 93.28 412.49 162.15 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 821.51 821.51 776.87 776.87 0.00 0.00 0.00 0.00 Average: ens3 86.07 71.41 277.26 89.51 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-26160) 06/09/26 _x86_64_ (4 CPU) 10:11:10 LINUX RESTART (4 CPU) 10:20:02 CPU %user %nice %system %iowait %steal %idle 10:30:01 all 74.59 0.00 2.23 0.03 0.14 23.00 10:30:01 0 70.42 0.00 1.86 0.02 0.14 27.56 10:30:01 1 73.87 0.00 2.29 0.02 0.14 23.68 10:30:01 2 76.67 0.00 2.39 0.04 0.14 20.75 10:30:01 3 77.40 0.00 2.40 0.03 0.15 20.03 10:40:01 all 50.43 0.00 2.24 0.08 0.11 47.15 10:40:01 0 49.45 0.00 1.93 0.04 0.10 48.48 10:40:01 1 52.67 0.00 2.17 0.04 0.11 45.01 10:40:01 2 53.01 0.00 2.75 0.12 0.11 44.00 10:40:01 3 46.58 0.00 2.10 0.10 0.10 51.11 Average: all 62.49 0.00 2.24 0.05 0.12 35.10 Average: 0 59.92 0.00 1.89 0.03 0.12 38.04 Average: 1 63.25 0.00 2.23 0.03 0.13 34.36 Average: 2 64.83 0.00 2.57 0.08 0.13 32.39 Average: 3 61.97 0.00 2.25 0.07 0.12 35.59