---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-47390 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 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 659 9153 4 6176 14986 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:86:76:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.44/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85055sec preferred_lft 85055sec inet6 fe80::f816:3eff:fe86:7620/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:b9:6e:2c:da:59 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-47390) 09/04/26 _x86_64_ (4 CPU) 07:57:43 LINUX RESTART (4 CPU) 08:00:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:15 17.69 2.53 14.07 1.09 145.72 3912.39 3550.83 08:20:01 29.61 0.24 26.37 3.00 14.72 9786.75 12618.76 Average: 23.58 1.39 20.15 2.03 81.00 6814.60 8030.81 08:00:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:15 10280760 13597376 2362920 14.43 120328 3343732 2647416 15.20 568972 5160416 7084 08:20:01 9394628 15367144 582496 3.56 149928 5864392 1121504 6.44 1458464 5032028 12672 Average: 9837694 14482260 1472708 8.99 135128 4604062 1884460 10.82 1013718 5096222 9878 08:00:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:15 lo 531.65 531.65 506.29 506.29 0.00 0.00 0.00 0.00 08:10:15 ens3 133.33 104.80 1063.38 14.01 0.00 0.00 0.00 0.00 08:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 lo 735.25 735.25 695.70 695.70 0.00 0.00 0.00 0.00 08:20:01 ens3 63.72 58.93 194.00 94.99 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 632.24 632.24 599.87 599.87 0.00 0.00 0.00 0.00 Average: ens3 98.94 82.14 633.86 54.01 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-47390) 09/04/26 _x86_64_ (4 CPU) 07:57:43 LINUX RESTART (4 CPU) 08:00:15 CPU %user %nice %system %iowait %steal %idle 08:10:15 all 29.57 0.00 1.39 0.08 0.02 68.95 08:10:15 0 29.48 0.00 1.29 0.13 0.02 69.08 08:10:15 1 29.97 0.00 1.39 0.12 0.01 68.51 08:10:15 2 29.37 0.00 1.32 0.03 0.02 69.26 08:10:15 3 29.44 0.00 1.57 0.05 0.02 68.93 08:20:01 all 37.80 0.00 1.90 0.17 0.02 60.11 08:20:01 0 39.31 0.00 1.81 0.20 0.02 58.66 08:20:01 1 36.75 0.00 1.82 0.20 0.02 61.22 08:20:01 2 41.35 0.00 2.12 0.08 0.02 56.42 08:20:01 3 33.77 0.00 1.85 0.20 0.02 64.16 Average: all 33.63 0.00 1.64 0.13 0.02 64.58 Average: 0 34.34 0.00 1.55 0.17 0.02 63.93 Average: 1 33.31 0.00 1.60 0.16 0.02 64.91 Average: 2 35.28 0.00 1.72 0.05 0.02 62.93 Average: 3 31.58 0.00 1.71 0.13 0.02 66.57