---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-60849 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 11G 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 626 10039 4 5323 15019 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:2e:78:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84899sec preferred_lft 84899sec inet6 fe80::f816:3eff:fe2e:78f8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:4d:b2:df:56:e8 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-60849) 09/30/26 _x86_64_ (4 CPU) 09:57:32 LINUX RESTART (4 CPU) 10:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:15 28.14 1.97 12.24 13.93 342.29 3660.84 268389.31 10:20:01 19.41 0.54 17.48 1.40 20.76 2339.48 5637.05 Average: 23.87 1.27 14.80 7.80 184.93 3014.15 139796.17 10:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:15 8029952 11563460 4395772 26.85 122480 3559808 4661680 26.76 583700 7402040 872 10:20:01 8584408 12854036 3100612 18.94 142412 4236096 3376760 19.38 799392 6581116 261356 Average: 8307180 12208748 3748192 22.89 132446 3897952 4019220 23.07 691546 6991578 131114 10:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:15 lo 0.73 0.73 0.38 0.38 0.00 0.00 0.00 0.00 10:10:15 ens3 103.83 63.60 654.07 7.47 0.00 0.00 0.00 0.00 10:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 530.69 530.69 505.86 505.86 0.00 0.00 0.00 0.00 10:20:01 ens3 48.85 38.75 458.82 5.58 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 260.10 260.10 247.77 247.77 0.00 0.00 0.00 0.00 Average: ens3 76.92 51.44 558.51 6.54 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-60849) 09/30/26 _x86_64_ (4 CPU) 09:57:32 LINUX RESTART (4 CPU) 10:00:04 CPU %user %nice %system %iowait %steal %idle 10:10:15 all 50.16 0.00 1.13 0.19 0.05 48.47 10:10:15 0 55.98 0.00 0.99 0.09 0.06 42.88 10:10:15 1 41.59 0.00 1.14 0.37 0.03 56.86 10:10:15 2 55.57 0.00 1.26 0.14 0.06 42.96 10:10:15 3 47.49 0.00 1.13 0.14 0.04 51.19 10:20:01 all 55.35 0.00 1.43 0.06 0.04 43.11 10:20:01 0 52.66 0.00 1.51 0.04 0.04 45.74 10:20:01 1 53.66 0.00 1.50 0.06 0.04 44.74 10:20:01 2 70.29 0.00 1.36 0.05 0.04 28.26 10:20:01 3 44.87 0.00 1.36 0.09 0.02 53.66 Average: all 52.70 0.00 1.28 0.13 0.04 45.85 Average: 0 54.36 0.00 1.25 0.07 0.05 44.28 Average: 1 47.50 0.00 1.32 0.22 0.04 50.93 Average: 2 62.78 0.00 1.31 0.10 0.05 35.77 Average: 3 46.21 0.00 1.24 0.12 0.03 52.40