---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46140 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 625 10376 4 4987 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:67:25:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.65/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84891sec preferred_lft 84891sec inet6 fe80::f816:3eff:fe67:25f4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:31:c0:be:9e:4d 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-46140) 08/30/26 _x86_64_ (4 CPU) 17:09:35 LINUX RESTART (4 CPU) 17:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 48.33 10.46 37.03 0.84 1463.64 8501.48 1831.35 17:30:12 7.39 0.58 6.52 0.29 25.64 1190.25 658.75 Average: 27.70 5.48 21.66 0.56 739.04 4817.40 1240.49 17:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 10767428 13837080 2125748 12.98 113668 3116268 2430464 13.95 482260 4778176 20304 17:30:12 8801000 12606804 3351348 20.47 132436 3792424 3398732 19.51 599696 6562608 417376 Average: 9784214 13221942 2738548 16.73 123052 3454346 2914598 16.73 540978 5670392 218840 17:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 17:20:01 ens3 99.92 76.42 941.48 14.86 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:12 lo 110.55 110.55 105.08 105.08 0.00 0.00 0.00 0.00 17:30:12 ens3 30.55 25.03 442.77 3.32 0.00 0.00 0.00 0.00 17:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 55.97 55.97 52.97 52.97 0.00 0.00 0.00 0.00 Average: ens3 64.97 50.52 690.18 9.05 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-46140) 08/30/26 _x86_64_ (4 CPU) 17:09:35 LINUX RESTART (4 CPU) 17:10:00 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 44.77 0.00 1.34 0.47 0.03 53.39 17:20:01 0 40.16 0.00 1.34 1.12 0.02 57.35 17:20:01 1 44.63 0.00 1.26 0.23 0.03 53.85 17:20:01 2 45.51 0.00 1.35 0.19 0.03 52.93 17:20:01 3 48.80 0.00 1.41 0.34 0.03 49.42 17:30:12 all 54.98 0.00 0.95 0.03 0.04 44.00 17:30:12 0 45.99 0.00 0.90 0.02 0.01 53.08 17:30:12 1 46.96 0.00 1.01 0.04 0.04 51.96 17:30:12 2 69.99 0.00 0.94 0.03 0.06 28.98 17:30:12 3 57.04 0.00 0.93 0.04 0.05 41.93 Average: all 49.92 0.00 1.14 0.25 0.03 48.65 Average: 0 43.11 0.00 1.12 0.56 0.02 55.19 Average: 1 45.80 0.00 1.13 0.13 0.03 52.90 Average: 2 57.85 0.00 1.15 0.11 0.04 40.85 Average: 3 52.95 0.00 1.17 0.19 0.04 45.65