---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36380 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 12G 66G 16% / 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 683 8895 4 6410 14963 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:02:68:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84591sec preferred_lft 84591sec inet6 fe80::f816:3eff:fe02:68fd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:85:eb:6b:c7:bb 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-36380) 07/16/26 _x86_64_ (4 CPU) 09:32:38 LINUX RESTART (4 CPU) 09:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:09 26.68 0.01 23.66 3.01 0.18 2202.57 6381.48 10:00:09 21.03 0.03 19.11 1.90 0.36 3759.16 6291.96 Average: 23.87 0.02 21.40 2.45 0.27 2977.06 6336.94 09:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:09 9143840 12935880 3020484 18.45 147484 3747200 3062336 17.58 724656 6091436 27588 10:00:09 5437156 10132204 5820744 35.55 159112 4599636 5527168 31.73 980264 9487044 29864 Average: 7290498 11534042 4420614 27.00 153298 4173418 4294752 24.65 852460 7789240 28726 09:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:09 lo 1511.21 1511.21 1435.07 1435.07 0.00 0.00 0.00 0.00 09:50:09 ens3 21.31 19.57 11.10 6.32 0.00 0.00 0.00 0.00 09:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:09 lo 880.90 880.90 5304.29 5304.29 0.00 0.00 0.00 0.00 10:00:09 ens3 19.68 17.31 31.59 5.48 0.00 0.00 0.00 0.00 10:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1197.59 1197.59 3360.21 3360.21 0.00 0.00 0.00 0.00 Average: ens3 20.50 18.44 21.29 5.90 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-36380) 07/16/26 _x86_64_ (4 CPU) 09:32:38 LINUX RESTART (4 CPU) 09:40:03 CPU %user %nice %system %iowait %steal %idle 09:50:09 all 67.58 0.00 2.39 0.06 0.11 29.87 09:50:09 0 67.12 0.00 2.22 0.08 0.11 30.47 09:50:09 1 66.32 0.00 2.52 0.04 0.11 31.02 09:50:09 2 68.54 0.00 2.45 0.08 0.11 28.82 09:50:09 3 68.32 0.00 2.36 0.05 0.11 29.16 10:00:09 all 50.30 0.00 1.76 0.08 0.09 47.77 10:00:09 0 45.75 0.00 1.90 0.13 0.09 52.13 10:00:09 1 50.86 0.00 1.79 0.08 0.09 47.18 10:00:09 2 47.86 0.00 1.65 0.04 0.10 50.36 10:00:09 3 56.75 0.00 1.71 0.08 0.09 41.38 Average: all 58.97 0.00 2.08 0.07 0.10 38.78 Average: 0 56.47 0.00 2.06 0.10 0.10 41.27 Average: 1 58.62 0.00 2.16 0.06 0.10 39.06 Average: 2 58.25 0.00 2.05 0.06 0.10 39.54 Average: 3 62.56 0.00 2.04 0.06 0.10 35.24