---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-47990 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: 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 13G 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 702 8370 4 6915 14943 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:30:cd:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.190/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84150sec preferred_lft 84150sec inet6 fe80::f816:3eff:fe30:cd7b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:27:d2:ee:00:b2 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-47990) 09/22/26 _x86_64_ (4 CPU) 13:01:09 LINUX RESTART (4 CPU) 13:10:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:45 26.08 0.02 23.16 2.91 0.31 2205.33 20427.04 13:30:29 21.05 0.03 19.11 1.90 0.84 3733.75 13747.80 Average: 23.64 0.03 21.19 2.42 0.57 2948.22 17180.60 13:10:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:45 9034228 13183072 2770576 16.92 153692 4084992 3056340 17.54 820120 6093776 30064 13:30:29 5850896 10882220 5067976 30.95 167664 4919056 4916076 28.22 1080800 8954444 120 Average: 7442562 12032646 3919276 23.94 160678 4502024 3986208 22.88 950460 7524110 15092 13:10:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:45 lo 1459.59 1459.59 1386.12 1386.12 0.00 0.00 0.00 0.00 13:20:45 ens3 41.79 30.75 22.83 11.91 0.00 0.00 0.00 0.00 13:20:45 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:29 lo 829.75 829.75 829.45 829.45 0.00 0.00 0.00 0.00 13:30:29 ens3 25.31 18.26 18.62 7.34 0.00 0.00 0.00 0.00 13:30:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1153.46 1153.46 1115.55 1115.55 0.00 0.00 0.00 0.00 Average: ens3 33.78 24.68 20.78 9.69 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-47990) 09/22/26 _x86_64_ (4 CPU) 13:01:09 LINUX RESTART (4 CPU) 13:10:27 CPU %user %nice %system %iowait %steal %idle 13:20:45 all 66.84 0.00 2.64 0.07 0.03 30.42 13:20:45 0 66.00 0.00 2.61 0.05 0.03 31.31 13:20:45 1 65.32 0.00 2.68 0.06 0.03 31.92 13:20:45 2 67.30 0.00 2.53 0.07 0.03 30.06 13:20:45 3 68.76 0.00 2.73 0.09 0.04 28.38 13:30:29 all 38.29 0.00 1.77 0.09 0.02 59.83 13:30:29 0 38.71 0.00 1.77 0.09 0.02 59.41 13:30:29 1 37.30 0.00 1.81 0.15 0.02 60.73 13:30:29 2 39.59 0.00 1.79 0.06 0.02 58.54 13:30:29 3 37.57 0.00 1.72 0.07 0.02 60.62 Average: all 52.96 0.00 2.22 0.08 0.03 44.72 Average: 0 52.73 0.00 2.20 0.07 0.02 44.98 Average: 1 51.69 0.00 2.25 0.10 0.02 45.93 Average: 2 53.82 0.00 2.17 0.06 0.03 43.91 Average: 3 53.59 0.00 2.24 0.08 0.03 44.06