---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41749 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 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 776 9287 4 5925 14869 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:25:ed:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83367sec preferred_lft 83367sec inet6 fe80::f816:3eff:fe25:ed8f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:72:07:21:b2:ef 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-41749) 08/27/26 _x86_64_ (4 CPU) 21:01:26 LINUX RESTART (4 CPU) 21:10:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:20:05 11.44 2.35 8.42 0.66 139.94 2736.17 1214.92 21:30:01 47.16 0.38 36.09 10.69 11.38 4612.33 7600.64 21:40:06 45.02 0.00 36.84 8.18 0.03 3074.96 12300.10 21:50:04 10.52 0.15 8.59 1.78 10.32 3151.47 923.47 Average: 28.69 0.71 22.61 5.36 39.62 3396.56 5557.70 21:10:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:20:05 10539396 13787288 2172840 13.27 137608 3244692 2474824 14.21 535308 4914304 3976 21:30:01 8906048 13259440 2690736 16.43 202656 4186064 2937936 16.86 797376 6179256 18036 21:40:06 8136200 13030336 2914680 17.80 242052 4636620 2985824 17.14 929408 6752304 39128 21:50:04 9635196 15337104 606284 3.70 253140 5407116 1117128 6.41 1225628 4921660 444 Average: 9304210 13853542 2096135 12.80 208864 4368623 2378928 13.66 871930 5691881 15396 21:10:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:20:05 lo 0.96 0.96 0.09 0.09 0.00 0.00 0.00 0.00 21:20:05 ens3 75.15 62.01 583.64 15.83 0.00 0.00 0.00 0.00 21:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:01 lo 3843.30 3843.30 3665.93 3665.93 0.00 0.00 0.00 0.00 21:30:01 ens3 85.34 63.92 328.63 21.76 0.00 0.00 0.00 0.00 21:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:40:06 lo 4669.56 4669.56 4451.53 4451.53 0.00 0.00 0.00 0.00 21:40:06 ens3 57.75 44.33 23.56 20.95 0.00 0.00 0.00 0.00 21:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:04 lo 374.48 374.48 333.80 333.80 0.00 0.00 0.00 0.00 21:50:04 ens3 94.51 101.67 174.24 213.64 0.00 0.00 0.00 0.00 21:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2243.45 2243.45 2133.19 2133.19 0.00 0.00 0.00 0.00 Average: ens3 78.15 67.96 274.60 68.32 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-41749) 08/27/26 _x86_64_ (4 CPU) 21:01:26 LINUX RESTART (4 CPU) 21:10:25 CPU %user %nice %system %iowait %steal %idle 21:20:05 all 41.20 0.00 1.52 0.06 0.02 57.20 21:20:05 0 40.45 0.00 1.48 0.14 0.02 57.91 21:20:05 1 40.65 0.00 1.42 0.02 0.01 57.90 21:20:05 2 41.74 0.00 1.46 0.03 0.02 56.75 21:20:05 3 41.97 0.00 1.72 0.05 0.02 56.24 21:30:01 all 62.56 0.00 3.85 0.11 0.02 33.45 21:30:01 0 61.50 0.00 4.10 0.11 0.03 34.26 21:30:01 1 61.92 0.00 3.79 0.17 0.03 34.09 21:30:01 2 62.68 0.00 3.41 0.10 0.02 33.79 21:30:01 3 64.15 0.00 4.09 0.07 0.02 31.66 21:40:06 all 60.37 0.00 4.16 0.11 0.02 35.33 21:40:06 0 58.98 0.00 4.02 0.06 0.03 36.92 21:40:06 1 60.05 0.00 4.00 0.19 0.02 35.74 21:40:06 2 61.33 0.00 4.46 0.09 0.03 34.09 21:40:06 3 61.13 0.00 4.17 0.12 0.02 34.56 21:50:04 all 15.95 0.00 0.74 0.08 0.01 83.22 21:50:04 0 15.94 0.00 0.76 0.09 0.01 83.21 21:50:04 1 17.43 0.00 0.72 0.00 0.01 81.83 21:50:04 2 14.47 0.00 0.77 0.07 0.01 84.67 21:50:04 3 15.95 0.00 0.70 0.16 0.01 83.18 Average: all 45.06 0.00 2.58 0.09 0.02 52.25 Average: 0 44.25 0.00 2.60 0.10 0.02 53.03 Average: 1 45.04 0.00 2.49 0.10 0.02 52.36 Average: 2 45.10 0.00 2.54 0.07 0.02 52.27 Average: 3 45.84 0.00 2.68 0.10 0.02 51.36