---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41238 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: 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 nrip_save 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 66G 16% / 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 664 8773 4 6551 14981 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:92:f0:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.59/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84136sec preferred_lft 84136sec inet6 fe80::f816:3eff:fe92:f01b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:0e:85:8e:17:2f 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-41238) 08/26/26 _x86_64_ (4 CPU) 11:24:46 LINUX RESTART (4 CPU) 11:30:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:23 23.12 0.06 20.38 2.67 6.76 2229.49 3889.74 11:50:02 33.13 0.02 29.63 3.47 0.52 2631.44 11509.30 12:00:13 11.62 0.16 10.26 1.20 10.16 7733.33 1118.69 Average: 22.43 0.08 19.92 2.43 5.90 4232.40 5405.03 11:30:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:23 8744824 12495984 3460400 21.13 145248 3712388 3425028 19.66 704168 6522980 17272 11:50:02 8858220 12971608 2981672 18.21 164624 4029868 2930672 16.82 803808 6257504 29144 12:00:13 8998940 15346392 599540 3.66 182152 6172992 1118276 6.42 1586344 5254872 4 Average: 8867328 13604661 2347204 14.34 164008 4638416 2491325 14.30 1031440 6011785 15473 11:30:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:23 lo 1413.87 1413.87 1341.50 1341.50 0.00 0.00 0.00 0.00 11:40:23 ens3 49.20 39.93 53.69 13.39 0.00 0.00 0.00 0.00 11:40:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:02 lo 1670.54 1670.54 1592.39 1592.39 0.00 0.00 0.00 0.00 11:50:02 ens3 34.00 28.62 33.88 10.05 0.00 0.00 0.00 0.00 11:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:13 lo 360.50 360.50 6722.09 6722.09 0.00 0.00 0.00 0.00 12:00:13 ens3 66.86 75.97 114.21 906.77 0.00 0.00 0.00 0.00 12:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1138.17 1138.17 3253.73 3253.73 0.00 0.00 0.00 0.00 Average: ens3 50.30 48.55 67.90 316.37 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-41238) 08/26/26 _x86_64_ (4 CPU) 11:24:46 LINUX RESTART (4 CPU) 11:30:18 CPU %user %nice %system %iowait %steal %idle 11:40:23 all 69.92 0.00 2.52 0.65 0.13 26.79 11:40:23 0 70.29 0.00 2.80 0.25 0.13 26.53 11:40:23 1 69.88 0.00 2.23 0.80 0.13 26.96 11:40:23 2 69.48 0.00 2.49 0.94 0.13 26.96 11:40:23 3 70.03 0.00 2.53 0.60 0.13 26.70 11:50:02 all 60.65 0.00 2.77 2.07 0.14 34.37 11:50:02 0 62.28 0.00 2.80 0.34 0.14 34.44 11:50:02 1 59.82 0.00 2.96 0.79 0.14 36.30 11:50:02 2 59.97 0.00 2.74 0.70 0.13 36.47 11:50:02 3 60.52 0.00 2.60 6.47 0.14 30.28 12:00:13 all 33.40 0.00 1.23 0.56 0.09 64.72 12:00:13 0 37.72 0.00 1.07 0.68 0.09 60.44 12:00:13 1 34.74 0.00 0.98 0.36 0.10 63.82 12:00:13 2 32.88 0.00 1.80 0.90 0.09 64.33 12:00:13 3 28.25 0.00 1.06 0.32 0.09 70.28 Average: all 54.49 0.00 2.16 1.08 0.12 42.15 Average: 0 56.61 0.00 2.21 0.42 0.12 40.64 Average: 1 54.67 0.00 2.04 0.65 0.12 42.53 Average: 2 53.97 0.00 2.34 0.85 0.12 42.73 Average: 3 52.73 0.00 2.05 2.40 0.12 42.70