---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23705 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 682 10501 4 4805 14964 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:66:cb:b9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84778sec preferred_lft 84778sec inet6 fe80::f816:3eff:fe66:cbb9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:2b:a7:6c:37:50 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-23705) 06/04/26 _x86_64_ (4 CPU) 16:39:38 LINUX RESTART (4 CPU) 16:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:50:08 56.99 10.02 45.43 1.54 1382.46 9436.06 4194.25 17:00:26 27.05 0.84 22.81 3.40 28.13 4150.67 4808.71 Average: 41.89 5.39 34.02 2.48 699.29 6769.95 4504.20 16:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:50:08 10719996 14076768 1883096 11.50 131192 3346548 2500356 14.35 557988 4706872 32636 17:00:26 8457036 13061000 2889892 17.65 172460 4460288 3108564 17.84 883444 6537564 138692 Average: 9588516 13568884 2386494 14.58 151826 3903418 2804460 16.10 720716 5622218 85664 16:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:50:08 lo 1.37 1.37 0.14 0.14 0.00 0.00 0.00 0.00 16:50:08 ens3 176.16 132.15 1085.51 29.01 0.00 0.00 0.00 0.00 16:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:26 lo 2252.42 2252.42 2148.00 2148.00 0.00 0.00 0.00 0.00 17:00:26 ens3 80.89 63.40 414.74 17.39 0.00 0.00 0.00 0.00 17:00:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1136.87 1136.87 1083.58 1083.58 0.00 0.00 0.00 0.00 Average: ens3 128.10 97.47 747.15 23.15 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-23705) 06/04/26 _x86_64_ (4 CPU) 16:39:38 LINUX RESTART (4 CPU) 16:40:00 CPU %user %nice %system %iowait %steal %idle 16:50:08 all 59.94 0.00 2.35 0.46 0.09 37.16 16:50:08 0 60.21 0.00 2.29 0.86 0.10 36.54 16:50:08 1 61.60 0.00 2.42 0.60 0.09 35.29 16:50:08 2 61.39 0.00 2.25 0.22 0.10 36.05 16:50:08 3 56.59 0.00 2.43 0.15 0.09 40.75 17:00:26 all 67.36 0.00 2.96 2.28 0.11 27.29 17:00:26 0 64.67 0.00 2.73 1.06 0.11 31.43 17:00:26 1 68.69 0.00 2.83 1.89 0.10 26.48 17:00:26 2 70.00 0.00 3.45 2.23 0.11 24.21 17:00:26 3 66.08 0.00 2.83 3.94 0.11 27.04 Average: all 63.68 0.00 2.65 1.38 0.10 32.19 Average: 0 62.46 0.00 2.51 0.96 0.11 33.96 Average: 1 65.17 0.00 2.63 1.25 0.10 30.85 Average: 2 65.73 0.00 2.85 1.23 0.10 30.08 Average: 3 61.37 0.00 2.63 2.06 0.10 33.84