---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20341 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 701 10271 4 5016 14945 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:fa:7f:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84703sec preferred_lft 84703sec inet6 fe80::f816:3eff:fefa:7fcb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:96:5f:e4:8c:a2 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-20341) 05/26/26 _x86_64_ (4 CPU) 09:44:41 LINUX RESTART (4 CPU) 09:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:16 14.48 2.02 11.41 1.04 130.13 3092.05 2461.41 10:10:16 30.95 1.06 25.45 4.44 35.09 4343.75 3119.25 Average: 22.71 1.54 18.43 2.74 82.67 3717.13 2789.93 09:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:16 10003836 13656696 2301480 14.06 139524 3623816 2630668 15.10 716504 5259328 24104 10:10:16 10580016 15356740 593444 3.62 175012 4631924 1120036 6.43 1032552 4254416 68 Average: 10291926 14506718 1447462 8.84 157268 4127870 1875352 10.76 874528 4756872 12086 09:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:16 lo 1.36 1.36 0.14 0.14 0.00 0.00 0.00 0.00 10:00:16 ens3 96.76 77.40 576.61 19.43 0.00 0.00 0.00 0.00 10:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:16 lo 1730.70 1730.70 1644.73 1644.73 0.00 0.00 0.00 0.00 10:10:16 ens3 100.65 82.03 433.93 78.66 0.00 0.00 0.00 0.00 10:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 864.96 864.96 821.42 821.42 0.00 0.00 0.00 0.00 Average: ens3 98.70 79.71 505.36 49.01 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-20341) 05/26/26 _x86_64_ (4 CPU) 09:44:41 LINUX RESTART (4 CPU) 09:50:15 CPU %user %nice %system %iowait %steal %idle 10:00:16 all 68.58 0.00 2.20 0.05 0.11 29.07 10:00:16 0 68.80 0.00 1.92 0.05 0.11 29.12 10:00:16 1 68.63 0.00 2.18 0.03 0.11 29.05 10:00:16 2 68.36 0.00 2.42 0.05 0.11 29.07 10:00:16 3 68.53 0.00 2.28 0.06 0.11 29.03 10:10:16 all 61.95 0.00 2.63 0.11 0.10 35.20 10:10:16 0 60.05 0.00 2.30 0.07 0.10 37.49 10:10:16 1 63.75 0.00 2.77 0.15 0.10 33.24 10:10:16 2 58.85 0.00 2.69 0.15 0.10 38.22 10:10:16 3 65.17 0.00 2.76 0.09 0.10 31.87 Average: all 65.27 0.00 2.41 0.08 0.10 32.13 Average: 0 64.43 0.00 2.11 0.06 0.10 33.30 Average: 1 66.19 0.00 2.47 0.09 0.10 31.14 Average: 2 63.61 0.00 2.55 0.10 0.10 33.64 Average: 3 66.85 0.00 2.52 0.08 0.11 30.45