---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11374 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 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 615 10611 4 4762 15031 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:28:25:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84803sec preferred_lft 84803sec inet6 fe80::f816:3eff:fe28:2531/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:f4:db:e3:8a:15 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-11374) 05/06/26 _x86_64_ (4 CPU) 09:56:23 LINUX RESTART (4 CPU) 10:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 4.16 0.24 3.73 0.19 24.73 633.76 149.28 10:20:02 13.99 0.52 12.58 0.89 18.96 1971.35 2674.67 Average: 9.08 0.38 8.16 0.54 21.85 1303.32 1413.41 10:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 8667752 11647712 4315960 26.36 111716 3034628 4555944 26.15 492732 6877804 220 10:20:02 10204632 13614696 2345764 14.33 131048 3417164 2506072 14.38 658224 5128220 11004 Average: 9436192 12631204 3330862 20.34 121382 3225896 3531008 20.27 575478 6003012 5612 10:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 10:10:01 ens3 12.15 10.52 80.24 2.52 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 10:20:02 lo 299.37 299.37 285.16 285.16 0.00 0.00 0.00 0.00 10:20:02 ens3 35.88 25.66 412.60 3.57 0.00 0.00 0.00 0.00 10:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 150.16 150.16 142.93 142.93 0.00 0.00 0.00 0.00 Average: ens3 24.03 18.10 246.61 3.04 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-11374) 05/06/26 _x86_64_ (4 CPU) 09:56:23 LINUX RESTART (4 CPU) 10:00:02 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 46.99 0.00 0.68 0.04 0.08 52.21 10:10:01 0 41.99 0.00 0.68 0.03 0.08 57.22 10:10:01 1 39.36 0.00 0.71 0.04 0.08 59.81 10:10:01 2 63.37 0.00 0.79 0.07 0.10 35.67 10:10:01 3 43.23 0.00 0.55 0.02 0.07 56.13 10:20:02 all 53.87 0.00 1.07 0.05 0.08 44.94 10:20:02 0 41.80 0.00 1.34 0.12 0.08 56.67 10:20:02 1 81.78 0.00 1.03 0.04 0.09 17.06 10:20:02 2 47.98 0.00 0.90 0.02 0.08 51.03 10:20:02 3 43.97 0.00 1.00 0.03 0.07 54.94 Average: all 50.43 0.00 0.87 0.04 0.08 48.57 Average: 0 41.89 0.00 1.01 0.08 0.08 56.94 Average: 1 60.57 0.00 0.87 0.04 0.08 38.44 Average: 2 55.67 0.00 0.84 0.04 0.09 43.35 Average: 3 43.60 0.00 0.77 0.02 0.07 55.53