---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2072 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 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 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 653 10466 4 4869 14993 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:1c:a8:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83561sec preferred_lft 83561sec inet6 fe80::f816:3eff:fe1c:a810/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:43:c1:e7:26:db 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-2072) 08/04/26 _x86_64_ (4 CPU) 13:15:58 LINUX RESTART (4 CPU) 13:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:01 2.25 0.04 2.20 0.02 1.11 39.66 0.72 13:40:01 15.85 0.73 1.90 13.22 52.97 119.73 240946.05 13:50:02 16.76 1.56 14.08 1.12 85.41 3326.06 2732.05 14:00:02 31.75 0.65 26.79 4.31 25.52 4166.74 6927.58 Average: 16.65 0.74 11.24 4.67 41.27 1913.24 62660.67 13:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:01 13025732 15522444 452580 2.76 98344 2587276 996916 5.72 338676 2685544 204 13:40:01 12134196 14960088 1005316 6.14 113828 2882920 1565600 8.99 400800 3493576 286988 13:50:02 9823468 13416860 2540940 15.52 146012 3544928 2953776 16.95 632280 5510568 49176 14:00:02 10760904 15387520 563452 3.44 173996 4482632 1106544 6.35 904172 4211708 4 Average: 11436075 14821728 1140572 6.97 133045 3374439 1655709 9.50 568982 3975349 84093 13:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 13:30:01 ens3 9.73 7.99 141.60 1.00 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 13:40:01 ens3 46.25 38.14 569.16 5.71 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:02 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 13:50:02 ens3 73.22 56.15 182.51 17.50 0.00 0.00 0.00 0.00 13:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:02 lo 1773.70 1773.70 1685.37 1685.37 0.00 0.00 0.00 0.00 14:00:02 ens3 91.69 75.83 435.01 79.72 0.00 0.00 0.00 0.00 14:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 443.65 443.65 421.20 421.20 0.00 0.00 0.00 0.00 Average: ens3 55.23 44.53 332.06 25.98 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-2072) 08/04/26 _x86_64_ (4 CPU) 13:15:58 LINUX RESTART (4 CPU) 13:20:02 CPU %user %nice %system %iowait %steal %idle 13:30:01 all 0.23 0.00 0.05 0.01 0.02 99.68 13:30:01 0 0.30 0.00 0.10 0.02 0.02 99.57 13:30:01 1 0.50 0.00 0.03 0.00 0.02 99.45 13:30:01 2 0.07 0.00 0.03 0.03 0.02 99.85 13:30:01 3 0.07 0.00 0.04 0.01 0.03 99.86 13:40:01 all 2.99 0.00 0.19 0.04 0.03 96.75 13:40:01 0 3.40 0.00 0.13 0.00 0.02 96.45 13:40:01 1 3.23 0.00 0.16 0.02 0.03 96.57 13:40:01 2 2.57 0.00 0.22 0.12 0.04 97.05 13:40:01 3 2.76 0.00 0.27 0.01 0.02 96.94 13:50:02 all 72.47 0.00 2.35 0.06 0.10 25.03 13:50:02 0 73.48 0.00 2.47 0.04 0.10 23.90 13:50:02 1 73.01 0.00 2.50 0.03 0.10 24.35 13:50:02 2 71.89 0.00 2.41 0.03 0.10 25.57 13:50:02 3 71.49 0.00 2.01 0.12 0.10 26.28 14:00:02 all 53.24 0.00 2.33 0.11 0.09 44.23 14:00:02 0 49.25 0.00 2.34 0.17 0.09 48.15 14:00:02 1 53.28 0.00 2.28 0.10 0.09 44.25 14:00:02 2 56.71 0.00 2.59 0.09 0.09 40.52 14:00:02 3 53.71 0.00 2.13 0.07 0.09 44.01 Average: all 32.21 0.00 1.23 0.05 0.06 66.45 Average: 0 31.58 0.00 1.26 0.06 0.06 67.05 Average: 1 32.48 0.00 1.24 0.04 0.06 66.18 Average: 2 32.79 0.00 1.31 0.07 0.06 65.76 Average: 3 31.99 0.00 1.11 0.05 0.06 66.79