---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35474 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: 5599.94 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 626 10293 4 5069 15020 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:d8:25:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84710sec preferred_lft 84710sec inet6 fe80::f816:3eff:fed8:259f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:0e:a1:7f:01:1f 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-35474) 07/13/26 _x86_64_ (4 CPU) 09:54:31 LINUX RESTART (4 CPU) 10:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:22 3.70 0.07 3.47 0.15 6.89 472.02 36.79 10:20:00 16.93 0.54 15.17 1.22 20.05 2306.69 6205.66 Average: 10.08 0.30 9.12 0.67 13.24 1357.67 3014.66 10:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:22 7383436 10682128 5279064 32.24 119436 3330412 5410220 31.05 519332 8112944 220 10:20:00 8708520 12705820 3251036 19.86 139280 3971044 3459052 19.85 735700 6535432 255240 Average: 8045978 11693974 4265050 26.05 129358 3650728 4434636 25.45 627516 7324188 127730 10:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:22 lo 0.56 0.56 0.36 0.36 0.00 0.00 0.00 0.00 10:10:22 ens3 9.38 7.35 35.12 1.59 0.00 0.00 0.00 0.00 10:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:00 lo 410.22 410.22 390.73 390.73 0.00 0.00 0.00 0.00 10:20:00 ens3 40.64 30.01 429.18 3.94 0.00 0.00 0.00 0.00 10:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 198.31 198.31 188.80 188.80 0.00 0.00 0.00 0.00 Average: ens3 24.47 18.29 225.34 2.72 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-35474) 07/13/26 _x86_64_ (4 CPU) 09:54:31 LINUX RESTART (4 CPU) 10:00:03 CPU %user %nice %system %iowait %steal %idle 10:10:22 all 45.95 0.00 0.75 0.02 0.09 53.21 10:10:22 0 41.84 0.00 0.58 0.02 0.09 57.47 10:10:22 1 49.84 0.00 0.93 0.02 0.09 49.12 10:10:22 2 41.43 0.00 0.86 0.01 0.08 57.62 10:10:22 3 50.68 0.00 0.62 0.02 0.09 48.60 10:20:00 all 52.65 0.00 1.27 0.04 0.09 45.94 10:20:00 0 67.87 0.00 1.19 0.07 0.10 30.77 10:20:00 1 44.24 0.00 1.27 0.03 0.08 54.37 10:20:00 2 41.80 0.00 1.32 0.02 0.09 56.77 10:20:00 3 56.71 0.00 1.31 0.04 0.09 41.85 Average: all 49.18 0.00 1.00 0.03 0.09 49.70 Average: 0 54.40 0.00 0.87 0.04 0.09 44.58 Average: 1 47.14 0.00 1.09 0.03 0.09 51.66 Average: 2 41.61 0.00 1.08 0.02 0.08 57.21 Average: 3 53.59 0.00 0.95 0.03 0.09 45.34