---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-6031 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 17G 62G 21% / 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 618 6369 4 9001 15026 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:55:36:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.153/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85003sec preferred_lft 85003sec inet6 fe80::f816:3eff:fe55:36fb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:6b:d6:35:d4:cd 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-v1-8c-8g-6031) 09/29/26 _x86_64_ (4 CPU) 05:17:25 LINUX RESTART (4 CPU) 05:20:52 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:07 49.58 2.93 44.90 1.75 389.29 17068.67 3986.01 05:40:01 242.76 0.70 217.57 24.48 21.28 13867.73 334477.22 Average: 149.47 1.78 134.19 13.51 199.00 15413.48 174881.42 05:20:52 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:07 6945352 13634468 2308376 14.10 211784 6444516 2666348 15.30 1258372 7595376 384100 05:40:01 6498268 15359124 563244 3.44 331264 8302068 1146552 6.58 2151740 6913804 464 Average: 6721810 14496796 1435810 8.77 271524 7373292 1906450 10.94 1705056 7254590 192282 05:20:52 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:07 lo 0.79 0.79 0.21 0.21 0.00 0.00 0.00 0.00 05:30:07 ens3 210.73 165.26 1919.69 34.22 0.00 0.00 0.00 0.00 05:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 lo 16.86 16.86 1.60 1.60 0.00 0.00 0.00 0.00 05:40:01 ens3 101.26 104.11 197.37 666.27 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.10 9.10 0.93 0.93 0.00 0.00 0.00 0.00 Average: ens3 154.12 133.64 1029.09 361.05 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-v1-8c-8g-6031) 09/29/26 _x86_64_ (4 CPU) 05:17:25 LINUX RESTART (4 CPU) 05:20:52 CPU %user %nice %system %iowait %steal %idle 05:30:07 all 41.09 0.00 3.60 0.49 0.02 54.81 05:30:07 0 38.39 0.00 2.95 0.18 0.01 58.46 05:30:07 1 43.45 0.00 3.86 0.45 0.02 52.22 05:30:07 2 40.12 0.00 3.82 0.79 0.01 55.25 05:30:07 3 42.39 0.00 3.77 0.53 0.01 53.30 05:40:01 all 38.48 0.00 3.49 0.30 0.01 57.71 05:40:01 0 36.32 0.00 3.48 0.34 0.01 59.85 05:40:01 1 40.16 0.00 3.20 0.23 0.01 56.39 05:40:01 2 35.28 0.00 3.30 0.25 0.01 61.15 05:40:01 3 42.15 0.00 4.00 0.40 0.02 53.43 Average: all 39.74 0.00 3.55 0.39 0.01 56.31 Average: 0 37.32 0.00 3.22 0.26 0.01 59.18 Average: 1 41.75 0.00 3.52 0.33 0.02 54.38 Average: 2 37.62 0.00 3.56 0.51 0.01 58.30 Average: 3 42.27 0.00 3.89 0.46 0.02 53.37