---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25350 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 625 10428 4 4935 15021 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:15:d0:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84820sec preferred_lft 84820sec inet6 fe80::f816:3eff:fe15:d0b7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:31:9b:c6:50:34 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-25350) 06/06/26 _x86_64_ (4 CPU) 09:56:19 LINUX RESTART (4 CPU) 10:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 6.74 0.30 5.97 0.48 27.27 939.40 852.75 10:20:23 16.68 0.50 14.95 1.23 18.34 2177.55 4303.09 Average: 11.84 0.40 10.57 0.86 22.69 1573.94 2621.02 10:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 8452940 11611028 4350692 26.57 116576 3198536 4581188 26.30 526788 7036500 500 10:20:23 8865872 12735048 3222812 19.68 136256 3851516 3798412 21.80 715236 6403752 261500 Average: 8659406 12173038 3786752 23.13 126416 3525026 4189800 24.05 621012 6720126 131000 10:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.66 0.66 0.39 0.39 0.00 0.00 0.00 0.00 10:10:01 ens3 19.66 17.06 167.12 3.00 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:23 lo 503.81 503.81 479.86 479.86 0.00 0.00 0.00 0.00 10:20:23 ens3 37.85 28.91 398.68 3.93 0.00 0.00 0.00 0.00 10:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 258.52 258.52 246.11 246.11 0.00 0.00 0.00 0.00 Average: ens3 28.98 23.13 285.79 3.47 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-25350) 06/06/26 _x86_64_ (4 CPU) 09:56:19 LINUX RESTART (4 CPU) 10:00:09 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 47.58 0.00 0.80 0.04 0.08 51.50 10:10:01 0 60.89 0.00 0.87 0.08 0.08 38.09 10:10:01 1 39.30 0.00 0.78 0.03 0.08 59.81 10:10:01 2 44.93 0.00 0.87 0.03 0.07 54.10 10:10:01 3 45.24 0.00 0.67 0.03 0.07 53.99 10:20:23 all 52.98 0.00 1.22 0.04 0.07 45.68 10:20:23 0 67.69 0.00 1.26 0.03 0.07 30.94 10:20:23 1 44.71 0.00 1.03 0.07 0.07 54.11 10:20:23 2 52.81 0.00 1.37 0.05 0.07 45.70 10:20:23 3 46.73 0.00 1.22 0.02 0.07 51.96 Average: all 50.35 0.00 1.01 0.04 0.07 48.52 Average: 0 64.37 0.00 1.07 0.05 0.08 34.43 Average: 1 42.07 0.00 0.91 0.05 0.07 56.90 Average: 2 48.96 0.00 1.12 0.04 0.07 49.81 Average: 3 46.00 0.00 0.95 0.02 0.07 52.95