---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-42186 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: 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 633 10393 4 4962 15012 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:93:1d:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.0/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84901sec preferred_lft 84901sec inet6 fe80::f816:3eff:fe93:1ddb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:df:5d:a3:41:f9 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-42186) 08/28/26 _x86_64_ (4 CPU) 20:07:27 LINUX RESTART (4 CPU) 20:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:28 7.35 1.31 5.85 0.19 69.04 1720.47 179.13 20:30:01 16.29 0.55 14.61 1.14 20.46 2348.65 5963.56 Average: 11.65 0.94 10.06 0.65 45.68 2022.46 2959.93 20:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:28 8524892 11615916 4346284 26.55 114236 3135804 4501784 25.84 495628 7005388 352 20:30:01 10066896 13611516 2347008 14.33 133832 3540352 2505480 14.38 679232 5234464 10488 Average: 9295894 12613716 3346646 20.44 124034 3338078 3503632 20.11 587430 6119926 5420 20:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:28 lo 0.63 0.63 0.37 0.37 0.00 0.00 0.00 0.00 20:20:28 ens3 17.09 14.96 150.22 3.34 0.00 0.00 0.00 0.00 20:20:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 394.67 394.67 376.00 376.00 0.00 0.00 0.00 0.00 20:30:01 ens3 37.35 28.82 452.94 4.40 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 190.06 190.06 180.95 180.95 0.00 0.00 0.00 0.00 Average: ens3 26.83 21.62 295.75 3.85 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-42186) 08/28/26 _x86_64_ (4 CPU) 20:07:27 LINUX RESTART (4 CPU) 20:10:09 CPU %user %nice %system %iowait %steal %idle 20:20:28 all 47.44 0.00 0.93 0.09 0.01 51.54 20:20:28 0 41.34 0.00 0.90 0.09 0.01 57.65 20:20:28 1 60.54 0.00 1.01 0.10 0.02 38.32 20:20:28 2 43.09 0.00 0.84 0.11 0.01 55.94 20:20:28 3 44.78 0.00 0.95 0.04 0.01 54.22 20:30:01 all 54.09 0.00 1.40 0.11 0.02 44.39 20:30:01 0 44.90 0.00 1.32 0.21 0.01 53.55 20:30:01 1 71.40 0.00 1.71 0.05 0.02 26.82 20:30:01 2 53.09 0.00 1.36 0.03 0.02 45.51 20:30:01 3 46.97 0.00 1.20 0.13 0.01 51.69 Average: all 50.63 0.00 1.15 0.10 0.01 48.10 Average: 0 43.05 0.00 1.10 0.15 0.01 55.68 Average: 1 65.76 0.00 1.35 0.08 0.02 32.79 Average: 2 47.89 0.00 1.09 0.07 0.01 50.93 Average: 3 45.83 0.00 1.07 0.08 0.01 53.00