---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32684 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 659 10453 4 4876 14987 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:80:42:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82859sec preferred_lft 82859sec inet6 fe80::f816:3eff:fe80:42df/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:d6:3b:cd:b4:2c 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-32684) 08/10/26 _x86_64_ (4 CPU) 19:31:27 LINUX RESTART (4 CPU) 19:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:50:01 1.29 0.01 1.28 0.00 0.04 15.41 0.13 20:00:01 32.95 2.22 30.13 0.61 134.45 2680.25 811.43 20:10:01 8.49 1.87 6.35 0.28 122.73 1832.20 656.33 20:20:01 10.42 0.47 8.87 1.08 18.81 2109.01 2707.08 20:30:01 29.23 0.60 23.94 4.68 24.68 3775.95 4223.41 Average: 16.47 1.03 14.11 1.33 60.14 2082.32 1679.64 19:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:50:01 13752896 15528964 490548 3.00 53752 1949228 1141116 6.55 192344 2198520 8 20:00:01 13021216 15516760 458492 2.80 98076 2586692 992276 5.70 339768 2686536 212 20:10:01 11042584 14134352 1828008 11.16 122008 3116504 2212152 12.70 497876 4479208 28984 20:20:01 9817012 13517592 2439216 14.90 151236 3635736 2740984 15.73 656428 5484556 19856 20:30:01 10754396 15394028 556468 3.40 179896 4488004 1077992 6.19 921900 4194612 9340 Average: 11677621 14818339 1154546 7.05 120994 3155233 1632904 9.37 521663 3808686 11680 19:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:50:01 ens3 1.59 0.53 0.22 0.82 0.00 0.00 0.00 0.00 19:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:01 lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 20:00:01 ens3 50.89 37.32 343.11 7.47 0.00 0.00 0.00 0.00 20:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 lo 0.44 0.44 0.04 0.04 0.00 0.00 0.00 0.00 20:10:01 ens3 69.50 57.17 688.46 10.40 0.00 0.00 0.00 0.00 20:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:01 lo 1.44 1.44 0.14 0.14 0.00 0.00 0.00 0.00 20:20:01 ens3 67.28 53.44 95.68 17.66 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 1740.69 1740.69 1647.02 1647.02 0.00 0.00 0.00 0.00 20:30:01 ens3 120.06 109.04 445.36 189.42 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 348.60 348.60 329.45 329.45 0.00 0.00 0.00 0.00 Average: ens3 61.87 51.50 314.67 45.15 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-32684) 08/10/26 _x86_64_ (4 CPU) 19:31:27 LINUX RESTART (4 CPU) 19:40:01 CPU %user %nice %system %iowait %steal %idle 19:50:01 all 0.06 0.00 0.04 0.01 0.01 99.88 19:50:01 0 0.04 0.00 0.03 0.00 0.01 99.92 19:50:01 1 0.02 0.00 0.04 0.01 0.01 99.92 19:50:01 2 0.04 0.00 0.04 0.01 0.01 99.91 19:50:01 3 0.14 0.00 0.06 0.01 0.02 99.77 20:00:01 all 2.91 0.00 0.37 0.23 0.02 96.47 20:00:01 0 4.70 0.00 0.42 0.06 0.03 94.79 20:00:01 1 2.97 0.00 0.38 0.08 0.02 96.56 20:00:01 2 2.29 0.00 0.30 0.41 0.02 96.99 20:00:01 3 1.70 0.00 0.37 0.36 0.03 97.55 20:10:01 all 23.47 0.00 0.79 0.06 0.05 75.63 20:10:01 0 23.21 0.00 0.68 0.02 0.05 76.04 20:10:01 1 23.36 0.00 0.83 0.03 0.05 75.73 20:10:01 2 22.87 0.00 0.70 0.11 0.05 76.27 20:10:01 3 24.45 0.00 0.96 0.06 0.05 74.47 20:20:01 all 71.85 0.00 2.37 0.04 0.13 25.61 20:20:01 0 71.90 0.00 2.46 0.02 0.13 25.50 20:20:01 1 71.58 0.00 2.38 0.05 0.13 25.86 20:20:01 2 74.02 0.00 2.47 0.05 0.13 23.33 20:20:01 3 69.89 0.00 2.17 0.05 0.12 27.77 20:30:01 all 43.77 0.00 2.30 0.08 0.13 53.72 20:30:01 0 50.10 0.00 2.70 0.06 0.10 47.03 20:30:01 1 45.66 0.00 2.23 0.05 0.10 51.96 20:30:01 2 39.51 0.00 2.18 0.14 0.09 58.08 20:30:01 3 39.83 0.00 2.09 0.06 0.21 57.80 Average: all 28.40 0.00 1.17 0.08 0.07 70.28 Average: 0 29.99 0.00 1.26 0.03 0.06 68.66 Average: 1 28.70 0.00 1.17 0.04 0.06 70.03 Average: 2 27.73 0.00 1.14 0.14 0.06 70.93 Average: 3 27.18 0.00 1.13 0.11 0.09 71.50