---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7437 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 67G 15% / 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 743 9491 4 5754 14902 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:8b:7d:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84818sec preferred_lft 84818sec inet6 fe80::f816:3eff:fe8b:7db6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:1d:f6:78:ee:a7 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-7437) 09/12/26 _x86_64_ (4 CPU) 02:46:48 LINUX RESTART (4 CPU) 02:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:00 46.70 0.88 29.08 16.75 251.67 5468.08 267403.15 03:10:00 28.18 0.07 25.18 2.93 1.76 6076.95 10971.53 Average: 37.44 0.47 27.13 9.84 126.71 5772.51 139187.34 02:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:00 8540812 12915440 3037384 18.55 159488 4287668 3196264 18.35 820444 6570300 184376 03:10:00 7090652 12726852 3219740 19.66 184960 5458052 3407064 19.56 1101876 7670764 24964 Average: 7815732 12821146 3128562 19.11 172224 4872860 3301664 18.95 961160 7120532 104670 02:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:00 lo 1372.52 1372.52 1308.57 1308.57 0.00 0.00 0.00 0.00 03:00:00 ens3 80.26 57.34 735.05 10.84 0.00 0.00 0.00 0.00 03:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:00 lo 918.98 918.98 875.21 875.21 0.00 0.00 0.00 0.00 03:10:00 ens3 54.57 45.37 254.28 10.12 0.00 0.00 0.00 0.00 03:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1145.75 1145.75 1091.89 1091.89 0.00 0.00 0.00 0.00 Average: ens3 67.42 51.36 494.66 10.48 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-7437) 09/12/26 _x86_64_ (4 CPU) 02:46:48 LINUX RESTART (4 CPU) 02:50:00 CPU %user %nice %system %iowait %steal %idle 03:00:00 all 63.61 0.00 2.64 0.12 0.03 33.59 03:00:00 0 63.51 0.00 2.89 0.10 0.04 33.47 03:00:00 1 63.22 0.00 2.41 0.13 0.04 34.20 03:00:00 2 64.35 0.00 2.20 0.08 0.03 33.34 03:00:00 3 63.35 0.00 3.07 0.18 0.03 33.37 03:10:00 all 57.69 0.00 2.38 0.09 0.04 39.81 03:10:00 0 57.54 0.00 2.28 0.11 0.03 40.05 03:10:00 1 60.64 0.00 2.55 0.08 0.04 36.69 03:10:00 2 57.53 0.00 2.49 0.05 0.04 39.90 03:10:00 3 55.06 0.00 2.19 0.13 0.04 42.59 Average: all 60.65 0.00 2.51 0.11 0.03 36.70 Average: 0 60.53 0.00 2.58 0.10 0.03 36.76 Average: 1 61.93 0.00 2.48 0.10 0.04 35.45 Average: 2 60.94 0.00 2.34 0.06 0.04 36.62 Average: 3 59.20 0.00 2.63 0.16 0.04 37.98