---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-47383 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 643 9785 4 5560 15002 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:28:0b:35 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84627sec preferred_lft 84627sec inet6 fe80::f816:3eff:fe28:b35/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:80:d9:33:fd:a6 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 inet6 fe80::80:d9ff:fe33:fda6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-47383) 09/04/26 _x86_64_ (4 CPU) 07:36:13 LINUX RESTART (4 CPU) 07:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:13 7.33 0.27 6.55 0.51 25.45 1137.25 454.65 08:00:19 12.90 0.51 11.47 0.92 19.79 1957.25 2745.32 Average: 10.12 0.39 9.01 0.71 22.62 1547.44 1600.52 07:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:13 8292536 11461196 4500088 27.48 116308 3209616 4664160 26.77 500884 7231968 804 08:00:19 9966580 13596332 2361412 14.42 135256 3622320 2541752 14.59 673460 5330940 10124 Average: 9129558 12528764 3430750 20.95 125782 3415968 3602956 20.68 587172 6281454 5464 07:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:13 lo 0.65 0.65 0.38 0.38 0.00 0.00 0.00 0.00 07:50:13 ens3 24.34 15.86 164.74 2.66 0.00 0.00 0.00 0.00 07:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:19 lo 295.41 295.41 281.17 281.17 0.00 0.00 0.00 0.00 08:00:19 ens3 56.58 43.55 442.91 4.97 0.00 0.00 0.00 0.00 08:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 148.10 148.10 140.84 140.84 0.00 0.00 0.00 0.00 Average: ens3 40.47 29.71 303.89 3.81 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-47383) 09/04/26 _x86_64_ (4 CPU) 07:36:13 LINUX RESTART (4 CPU) 07:40:08 CPU %user %nice %system %iowait %steal %idle 07:50:13 all 50.00 0.00 0.86 0.19 0.02 48.93 07:50:13 0 50.05 0.00 0.73 0.10 0.02 49.09 07:50:13 1 39.84 0.00 0.90 0.26 0.02 58.99 07:50:13 2 44.23 0.00 0.90 0.05 0.02 54.80 07:50:13 3 65.87 0.00 0.91 0.34 0.03 32.85 08:00:19 all 52.05 0.00 1.21 0.05 0.03 46.66 08:00:19 0 47.76 0.00 1.10 0.04 0.02 51.07 08:00:19 1 55.49 0.00 1.28 0.04 0.03 43.16 08:00:19 2 54.51 0.00 1.05 0.02 0.03 44.40 08:00:19 3 50.45 0.00 1.41 0.10 0.02 48.02 Average: all 51.02 0.00 1.03 0.12 0.02 47.80 Average: 0 48.91 0.00 0.92 0.07 0.02 50.08 Average: 1 47.67 0.00 1.09 0.15 0.02 51.07 Average: 2 49.37 0.00 0.97 0.04 0.02 49.60 Average: 3 58.16 0.00 1.16 0.22 0.03 40.44