---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52157 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 730 10007 4 5251 14915 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:bc:02:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84604sec preferred_lft 84604sec inet6 fe80::f816:3eff:febc:296/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:43:c6:a9:ee:7d 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-52157) 09/22/26 _x86_64_ (4 CPU) 13:30:54 LINUX RESTART (4 CPU) 13:40:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:15 9.61 0.01 8.19 1.42 0.05 693.40 29955.56 14:00:10 37.84 0.49 31.73 5.62 17.49 6783.07 29870.62 Average: 23.67 0.25 19.91 3.51 8.73 3724.88 29913.27 13:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:15 9038852 12697588 3260284 19.91 153144 3629080 3525292 20.24 734088 6208792 2136 14:00:10 10349264 15367600 582480 3.56 190096 4876008 1083816 6.22 1075340 4465648 33104 Average: 9694058 14032594 1921382 11.74 171620 4252544 2304554 13.23 904714 5337220 17620 13:40:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:15 lo 53.05 53.05 13.92 13.92 0.00 0.00 0.00 0.00 13:50:15 ens3 6.88 4.69 4.37 1.83 0.00 0.00 0.00 0.00 13:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:10 lo 2566.70 2566.70 2467.69 2467.69 0.00 0.00 0.00 0.00 14:00:10 ens3 106.48 76.03 585.18 21.17 0.00 0.00 0.00 0.00 14:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1304.36 1304.36 1235.42 1235.42 0.00 0.00 0.00 0.00 Average: ens3 56.46 40.20 293.50 11.45 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-52157) 09/22/26 _x86_64_ (4 CPU) 13:30:54 LINUX RESTART (4 CPU) 13:40:15 CPU %user %nice %system %iowait %steal %idle 13:50:15 all 15.69 0.00 0.96 0.81 0.01 82.54 13:50:15 0 15.16 0.00 1.03 1.36 0.01 82.45 13:50:15 1 15.97 0.00 1.02 0.37 0.01 82.62 13:50:15 2 16.29 0.00 0.90 0.55 0.01 82.25 13:50:15 3 15.32 0.00 0.89 0.94 0.01 82.84 14:00:10 all 47.90 0.00 2.91 0.76 0.01 48.43 14:00:10 0 49.82 0.00 3.07 1.79 0.02 45.30 14:00:10 1 46.16 0.00 2.53 0.35 0.01 50.95 14:00:10 2 48.61 0.00 3.29 0.48 0.01 47.61 14:00:10 3 47.00 0.00 2.73 0.41 0.01 49.85 Average: all 31.73 0.00 1.93 0.78 0.01 65.55 Average: 0 32.41 0.00 2.04 1.58 0.01 63.96 Average: 1 31.00 0.00 1.77 0.36 0.01 66.86 Average: 2 32.39 0.00 2.09 0.52 0.01 64.99 Average: 3 31.10 0.00 1.81 0.67 0.01 66.41