---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41620 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 13G 65G 17% / 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 683 7943 4 7362 14962 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:ad:17:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83809sec preferred_lft 83809sec inet6 fe80::f816:3eff:fead:1795/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:11:04:1e:38:18 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-41620) 08/27/26 _x86_64_ (4 CPU) 16:38:26 LINUX RESTART (4 CPU) 16:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:50:25 29.83 3.88 23.75 2.20 216.66 5498.88 12265.44 17:00:25 42.16 0.02 25.11 17.03 0.52 2208.63 247830.79 17:10:01 23.48 0.03 21.10 2.35 0.88 4078.13 10508.93 17:20:24 11.34 0.15 9.85 1.35 9.59 7224.41 49548.12 Average: 26.62 1.05 19.88 5.69 58.64 4790.79 79753.29 16:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:50:25 9762420 13481144 2476284 15.12 140712 3700676 2610608 14.98 652616 5571192 15524 17:00:25 8613796 12806900 3146392 19.22 161548 4117188 3449392 19.80 780604 6554500 93956 17:10:01 7017320 12096720 3853008 23.53 173684 4953576 3702176 21.25 1045548 7816552 640 17:20:24 8171240 15349572 592068 3.62 190024 6969176 1121140 6.44 1815180 5810024 224 Average: 8391194 13433584 2516938 15.37 166492 4935154 2720829 15.62 1073487 6438067 27586 16:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:50:25 lo 931.05 931.05 886.38 886.38 0.00 0.00 0.00 0.00 16:50:25 ens3 124.12 97.56 1434.15 19.01 0.00 0.00 0.00 0.00 16:50:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:25 lo 1559.20 1559.20 1481.22 1481.22 0.00 0.00 0.00 0.00 17:00:25 ens3 29.78 23.45 15.27 10.50 0.00 0.00 0.00 0.00 17:00:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:01 lo 869.32 869.32 821.37 821.37 0.00 0.00 0.00 0.00 17:10:01 ens3 27.86 21.93 23.58 9.87 0.00 0.00 0.00 0.00 17:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:24 lo 2448.37 2448.37 8936.96 8936.96 0.00 0.00 0.00 0.00 17:20:24 ens3 77.88 90.17 140.34 1187.65 0.00 0.00 0.00 0.00 17:20:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1462.19 1462.19 3089.06 3089.06 0.00 0.00 0.00 0.00 Average: ens3 66.01 59.35 415.08 315.34 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-41620) 08/27/26 _x86_64_ (4 CPU) 16:38:26 LINUX RESTART (4 CPU) 16:40:01 CPU %user %nice %system %iowait %steal %idle 16:50:25 all 37.24 0.00 1.77 0.63 0.02 60.35 16:50:25 0 37.65 0.00 1.84 1.73 0.02 58.77 16:50:25 1 37.37 0.00 1.56 0.27 0.02 60.78 16:50:25 2 35.79 0.00 1.75 0.26 0.02 62.18 16:50:25 3 38.14 0.00 1.92 0.25 0.02 59.67 17:00:25 all 63.23 0.00 2.52 0.08 0.03 34.14 17:00:25 0 63.86 0.00 2.50 0.06 0.03 33.55 17:00:25 1 63.16 0.00 2.48 0.06 0.03 34.27 17:00:25 2 63.21 0.00 2.62 0.06 0.03 34.07 17:00:25 3 62.69 0.00 2.47 0.16 0.03 34.65 17:10:01 all 44.60 0.00 2.07 0.08 0.03 53.23 17:10:01 0 44.22 0.00 1.90 0.11 0.02 53.75 17:10:01 1 45.59 0.00 1.99 0.12 0.03 52.26 17:10:01 2 46.29 0.00 2.29 0.03 0.03 51.36 17:10:01 3 42.29 0.00 2.09 0.06 0.02 55.54 17:20:24 all 32.56 0.00 1.38 0.13 0.02 65.91 17:20:24 0 26.93 0.00 1.38 0.13 0.02 71.55 17:20:24 1 32.14 0.00 1.20 0.07 0.02 66.57 17:20:24 2 36.60 0.00 1.89 0.03 0.03 61.45 17:20:24 3 34.60 0.00 1.04 0.30 0.02 64.04 Average: all 44.21 0.00 1.92 0.24 0.02 53.61 Average: 0 42.93 0.00 1.90 0.52 0.02 54.63 Average: 1 44.35 0.00 1.80 0.13 0.02 53.70 Average: 2 45.28 0.00 2.13 0.10 0.03 52.47 Average: 3 44.29 0.00 1.87 0.20 0.02 53.62