---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39650 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 697 10134 4 5157 14949 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:16:fa:02 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.194/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84264sec preferred_lft 84264sec inet6 fe80::f816:3eff:fe16:fa02/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:87:1a:11:5d:d7 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-39650) 08/21/26 _x86_64_ (4 CPU) 14:40:36 LINUX RESTART (4 CPU) 14:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:01 14.28 2.05 11.33 0.91 133.21 2979.56 2676.83 15:10:14 38.94 0.72 21.43 16.78 22.12 3243.19 233128.80 Average: 26.87 1.37 16.49 9.02 76.47 3114.21 120378.25 14:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:01 9792880 13441540 2516556 15.37 144464 3614608 2738640 15.72 598896 5577040 36020 15:10:14 8462648 12952968 2997500 18.31 176704 4350144 3488368 20.02 822392 6606380 1380 Average: 9127764 13197254 2757028 16.84 160584 3982376 3113504 17.87 710644 6091710 18700 14:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 15:00:01 ens3 102.12 82.43 659.93 19.89 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:14 lo 1755.17 1755.17 1673.75 1673.75 0.00 0.00 0.00 0.00 15:10:14 ens3 76.37 57.33 351.38 15.60 0.00 0.00 0.00 0.00 15:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 897.04 897.04 854.91 854.91 0.00 0.00 0.00 0.00 Average: ens3 88.97 69.61 502.34 17.70 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-39650) 08/21/26 _x86_64_ (4 CPU) 14:40:36 LINUX RESTART (4 CPU) 14:50:14 CPU %user %nice %system %iowait %steal %idle 15:00:01 all 64.77 0.00 2.12 0.89 0.15 32.07 15:00:01 0 64.20 0.00 2.26 0.86 0.15 32.53 15:00:01 1 67.32 0.00 1.99 0.85 0.14 29.69 15:00:01 2 63.35 0.00 2.14 0.54 0.14 33.83 15:00:01 3 64.21 0.00 2.08 1.31 0.16 32.24 15:10:14 all 67.87 0.00 2.86 2.11 0.17 27.00 15:10:14 0 67.29 0.00 2.87 1.56 0.16 28.12 15:10:14 1 69.07 0.00 2.71 2.09 0.17 25.96 15:10:14 2 65.89 0.00 2.75 2.16 0.17 29.02 15:10:14 3 69.23 0.00 3.09 2.62 0.17 24.88 Average: all 66.35 0.00 2.49 1.51 0.16 29.48 Average: 0 65.78 0.00 2.57 1.22 0.16 30.28 Average: 1 68.21 0.00 2.36 1.48 0.16 27.79 Average: 2 64.65 0.00 2.45 1.37 0.16 31.37 Average: 3 66.78 0.00 2.59 1.98 0.17 28.48