---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46547 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 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 68G 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 627 10878 4 4482 15018 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:6d:a0:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84783sec preferred_lft 84783sec inet6 fe80::f816:3eff:fe6d:a0fd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:ed:02:b9:9b:40 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-46547) 09/01/26 _x86_64_ (4 CPU) 07:37:38 LINUX RESTART (4 CPU) 07:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:05 2.42 0.03 2.37 0.01 1.25 92.47 0.75 08:00:05 26.00 2.67 20.39 2.94 146.27 3796.87 3277.76 Average: 14.21 1.35 11.38 1.47 73.76 1944.67 1639.25 07:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:05 13076472 15520452 459032 2.80 93204 2545364 1022936 5.87 312284 2692356 492 08:00:05 10332212 13829720 2128620 13.00 145120 3473024 2454464 14.09 604552 5026780 9716 Average: 11704342 14675086 1293826 7.90 119162 3009194 1738700 9.98 458418 3859568 5104 07:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:05 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 07:50:05 ens3 14.43 12.93 78.29 4.01 0.00 0.00 0.00 0.00 07:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:05 lo 1595.51 1595.51 1520.80 1520.80 0.00 0.00 0.00 0.00 08:00:05 ens3 97.57 75.91 845.56 17.83 0.00 0.00 0.00 0.00 08:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 797.81 797.81 760.41 760.41 0.00 0.00 0.00 0.00 Average: ens3 56.00 44.42 461.93 10.92 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-46547) 09/01/26 _x86_64_ (4 CPU) 07:37:38 LINUX RESTART (4 CPU) 07:40:05 CPU %user %nice %system %iowait %steal %idle 07:50:05 all 0.29 0.00 0.08 0.02 0.00 99.61 07:50:05 0 0.20 0.00 0.13 0.01 0.00 99.66 07:50:05 1 0.16 0.00 0.08 0.01 0.00 99.76 07:50:05 2 0.06 0.00 0.06 0.07 0.00 99.80 07:50:05 3 0.74 0.00 0.04 0.00 0.00 99.21 08:00:05 all 56.00 0.00 2.71 0.09 0.03 41.18 08:00:05 0 55.69 0.00 2.36 0.07 0.04 41.84 08:00:05 1 55.27 0.00 2.68 0.09 0.03 41.94 08:00:05 2 55.93 0.00 2.72 0.11 0.03 41.21 08:00:05 3 57.10 0.00 3.06 0.08 0.03 39.73 Average: all 28.11 0.00 1.39 0.05 0.02 70.43 Average: 0 27.94 0.00 1.25 0.04 0.02 70.76 Average: 1 27.69 0.00 1.38 0.05 0.01 70.87 Average: 2 27.96 0.00 1.39 0.09 0.02 70.54 Average: 3 28.83 0.00 1.55 0.04 0.02 69.57