---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-47048 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 656 10427 4 4905 14989 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:68:29:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84738sec preferred_lft 84738sec inet6 fe80::f816:3eff:fe68:29cc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:f0:5a:cd:25:4c 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-47048) 09/03/26 _x86_64_ (4 CPU) 06:42:42 LINUX RESTART (4 CPU) 06:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:10 3.94 0.06 3.73 0.15 6.88 587.68 20.89 07:10:10 25.09 0.59 22.20 2.31 27.96 5905.83 11333.51 Average: 14.52 0.33 12.96 1.23 17.42 3246.75 5677.20 06:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:10 9415280 12563440 3399180 20.76 114596 3189036 3605184 20.69 500480 6098708 28 07:10:10 10731456 15399040 557268 3.40 138532 4625528 1083328 6.22 876084 4341252 28636 Average: 10073368 13981240 1978224 12.08 126564 3907282 2344256 13.46 688282 5219980 14332 06:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:10 lo 0.56 0.56 0.37 0.37 0.00 0.00 0.00 0.00 07:00:10 ens3 11.35 9.67 45.59 2.28 0.00 0.00 0.00 0.00 07:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:10 lo 532.62 532.62 507.63 507.63 0.00 0.00 0.00 0.00 07:10:10 ens3 65.84 52.08 514.04 19.19 0.00 0.00 0.00 0.00 07:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 266.59 266.59 254.00 254.00 0.00 0.00 0.00 0.00 Average: ens3 38.60 30.87 279.81 10.74 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-47048) 09/03/26 _x86_64_ (4 CPU) 06:42:42 LINUX RESTART (4 CPU) 06:50:10 CPU %user %nice %system %iowait %steal %idle 07:00:10 all 45.40 0.00 0.74 0.03 0.03 53.79 07:00:10 0 42.80 0.00 0.69 0.06 0.03 56.41 07:00:10 1 40.41 0.00 0.78 0.04 0.03 58.74 07:00:10 2 62.34 0.00 0.82 0.01 0.04 36.80 07:00:10 3 36.04 0.00 0.69 0.03 0.02 63.23 07:10:10 all 49.85 0.00 1.72 0.18 0.04 48.23 07:10:10 0 65.50 0.00 1.69 0.13 0.05 32.62 07:10:10 1 44.11 0.00 1.71 0.13 0.03 54.02 07:10:10 2 49.06 0.00 1.56 0.23 0.04 49.11 07:10:10 3 40.74 0.00 1.90 0.21 0.03 57.12 Average: all 47.62 0.00 1.23 0.10 0.03 51.01 Average: 0 54.14 0.00 1.19 0.10 0.04 44.53 Average: 1 42.26 0.00 1.25 0.08 0.03 56.38 Average: 2 55.70 0.00 1.19 0.12 0.04 42.95 Average: 3 38.39 0.00 1.29 0.12 0.03 60.17