---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3200 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 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 686 8976 4 6326 14960 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:26:ae:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84116sec preferred_lft 84116sec inet6 fe80::f816:3eff:fe26:ae89/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:2d:c5:ed:bc:4b 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-3200) 08/07/26 _x86_64_ (4 CPU) 14:40:14 LINUX RESTART (4 CPU) 14:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:01 31.28 0.08 14.79 16.42 3.30 1100.03 290737.02 15:10:05 26.63 0.19 22.80 3.65 4.82 2106.04 24644.04 Average: 28.94 0.13 18.82 9.99 4.07 1606.65 156732.52 14:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:01 8976728 12882352 3074224 18.78 137456 3874148 3372476 19.36 765936 6219556 872 15:10:05 8583180 12949720 3002944 18.34 159768 4279512 3018696 17.33 915972 6424524 26092 Average: 8779954 12916036 3038584 18.56 148612 4076830 3195586 18.34 840954 6322040 13482 14:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:01 lo 33.44 33.44 7.69 7.69 0.00 0.00 0.00 0.00 15:00:01 ens3 15.64 11.60 13.52 3.71 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 15:10:05 lo 1532.01 1532.01 1438.56 1438.56 0.00 0.00 0.00 0.00 15:10:05 ens3 55.75 39.80 267.69 10.92 0.00 0.00 0.00 0.00 15:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 788.12 788.12 728.28 728.28 0.00 0.00 0.00 0.00 Average: ens3 35.84 25.80 141.52 7.34 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-3200) 08/07/26 _x86_64_ (4 CPU) 14:40:14 LINUX RESTART (4 CPU) 14:50:05 CPU %user %nice %system %iowait %steal %idle 15:00:01 all 26.47 0.00 1.07 0.25 0.09 72.12 15:00:01 0 27.36 0.00 1.03 0.44 0.09 71.08 15:00:01 1 24.54 0.00 1.09 0.37 0.09 73.92 15:00:01 2 26.59 0.00 1.17 0.16 0.09 71.98 15:00:01 3 27.37 0.00 1.01 0.04 0.09 71.49 15:10:05 all 40.75 0.00 2.03 0.12 0.10 56.99 15:10:05 0 39.47 0.00 2.32 0.22 0.10 57.88 15:10:05 1 40.10 0.00 1.75 0.16 0.10 57.88 15:10:05 2 41.13 0.00 2.11 0.06 0.11 56.59 15:10:05 3 42.30 0.00 1.93 0.05 0.10 55.62 Average: all 33.66 0.00 1.56 0.19 0.10 64.50 Average: 0 33.46 0.00 1.68 0.33 0.09 64.43 Average: 1 32.37 0.00 1.42 0.26 0.10 65.85 Average: 2 33.90 0.00 1.64 0.11 0.10 64.24 Average: 3 34.89 0.00 1.47 0.05 0.10 63.49