---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8502 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 632 10550 4 4806 15014 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:e1:08:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84739sec preferred_lft 84739sec inet6 fe80::f816:3eff:fee1:82a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:67:6b:c0:1f:c4 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-8502) 04/27/26 _x86_64_ (4 CPU) 15:09:40 LINUX RESTART (4 CPU) 15:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:23 50.08 9.96 39.31 0.80 1351.37 8029.03 1130.65 15:30:23 3.41 0.06 3.26 0.08 6.28 384.23 10.15 Average: 27.16 5.10 21.61 0.45 690.99 4275.75 580.53 15:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:23 10319332 13254560 2709576 16.55 110220 2993972 3098508 17.79 478648 5245944 11556 15:30:23 10760152 13799920 2163328 13.21 114096 3086236 2409760 13.83 503532 4756392 10868 Average: 10539742 13527240 2436452 14.88 112158 3040104 2754134 15.81 491090 5001168 11212 15:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:23 lo 0.57 0.57 0.06 0.06 0.00 0.00 0.00 0.00 15:20:23 ens3 121.58 86.86 932.27 15.47 0.00 0.00 0.00 0.00 15:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:23 lo 0.52 0.52 0.37 0.37 0.00 0.00 0.00 0.00 15:30:23 ens3 6.06 4.68 20.41 1.02 0.00 0.00 0.00 0.00 15:30:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.54 0.54 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 64.86 46.51 484.58 8.37 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-8502) 04/27/26 _x86_64_ (4 CPU) 15:09:40 LINUX RESTART (4 CPU) 15:10:01 CPU %user %nice %system %iowait %steal %idle 15:20:23 all 46.87 0.00 1.20 0.39 0.08 51.45 15:20:23 0 41.33 0.00 1.25 0.56 0.09 56.78 15:20:23 1 55.71 0.00 1.39 0.18 0.09 42.64 15:20:23 2 46.37 0.00 1.13 0.67 0.08 51.74 15:20:23 3 44.11 0.00 1.03 0.16 0.08 54.62 15:30:23 all 43.65 0.00 0.46 0.01 0.07 55.80 15:30:23 0 72.59 0.00 0.58 0.01 0.08 26.75 15:30:23 1 27.24 0.00 0.42 0.02 0.06 72.26 15:30:23 2 45.36 0.00 0.47 0.01 0.07 54.08 15:30:23 3 29.43 0.00 0.39 0.02 0.07 70.09 Average: all 45.29 0.00 0.84 0.21 0.08 53.59 Average: 0 56.67 0.00 0.92 0.29 0.08 42.04 Average: 1 41.71 0.00 0.91 0.10 0.08 57.20 Average: 2 45.87 0.00 0.81 0.35 0.08 52.89 Average: 3 36.90 0.00 0.71 0.09 0.08 62.23