---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6270 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 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 682 8792 4 6514 14963 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:69:ed:3e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84376sec preferred_lft 84376sec inet6 fe80::f816:3eff:fe69:ed3e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:63:dc:8a:f3:f2 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-6270) 09/09/26 _x86_64_ (4 CPU) 07:34:25 LINUX RESTART (4 CPU) 07:40:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:23 20.59 0.07 17.99 2.54 6.30 2117.93 3380.02 08:00:13 30.98 0.02 27.80 3.16 0.56 2434.12 12328.52 Average: 25.73 0.04 22.84 2.84 3.46 2274.18 7802.02 07:40:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:23 9038688 12747220 3209544 19.60 138868 3681956 3464176 19.88 690140 6237940 16544 08:00:13 8828264 13095120 2858544 17.46 163792 4183336 2847628 16.35 809040 6292924 168916 Average: 8933476 12921170 3034044 18.53 151330 3932646 3155902 18.11 749590 6265432 92730 07:40:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:23 lo 1641.15 1641.15 1559.03 1559.03 0.00 0.00 0.00 0.00 07:50:23 ens3 23.80 22.16 28.60 7.68 0.00 0.00 0.00 0.00 07:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:13 lo 1488.78 1488.78 1418.52 1418.52 0.00 0.00 0.00 0.00 08:00:13 ens3 22.15 20.07 34.16 7.33 0.00 0.00 0.00 0.00 08:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1565.85 1565.85 1489.60 1489.60 0.00 0.00 0.00 0.00 Average: ens3 22.98 21.13 31.35 7.51 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-6270) 09/09/26 _x86_64_ (4 CPU) 07:34:25 LINUX RESTART (4 CPU) 07:40:18 CPU %user %nice %system %iowait %steal %idle 07:50:23 all 64.68 0.00 2.44 0.07 0.03 32.79 07:50:23 0 62.57 0.00 2.63 0.07 0.02 34.70 07:50:23 1 66.05 0.00 2.44 0.06 0.03 31.42 07:50:23 2 66.43 0.00 2.21 0.06 0.03 31.27 07:50:23 3 63.65 0.00 2.50 0.07 0.03 33.75 08:00:13 all 56.99 0.00 2.53 0.37 0.03 40.08 08:00:13 0 55.62 0.00 2.32 0.69 0.03 41.34 08:00:13 1 56.68 0.00 2.48 0.26 0.02 40.55 08:00:13 2 57.12 0.00 2.54 0.24 0.03 40.07 08:00:13 3 58.55 0.00 2.78 0.28 0.02 38.37 Average: all 60.88 0.00 2.49 0.22 0.03 36.39 Average: 0 59.13 0.00 2.48 0.38 0.03 37.98 Average: 1 61.42 0.00 2.46 0.16 0.03 35.93 Average: 2 61.83 0.00 2.37 0.15 0.03 35.62 Average: 3 61.13 0.00 2.64 0.18 0.03 36.03