---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-64825 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5599.94 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 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 706 9684 4 5597 14940 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:e0:e1:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84201sec preferred_lft 84201sec inet6 fe80::f816:3eff:fee0:e185/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:19:7e:16:2f:85 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-64825) 03/31/26 _x86_64_ (4 CPU) 12:34:44 LINUX RESTART (4 CPU) 12:40:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:14 36.86 0.39 20.72 15.75 12.43 7476.09 247879.15 13:00:00 33.92 0.05 30.84 3.03 1.61 5977.90 16663.96 13:10:00 14.75 0.29 12.11 2.35 11.48 2441.03 104359.69 Average: 28.46 0.24 21.15 7.07 8.56 5291.32 123684.38 12:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:14 9409480 13116120 2840008 17.35 158836 3636584 2987020 17.15 724716 5800816 13676 13:00:00 7951560 13078604 2871320 17.54 184688 4959460 3038892 17.44 1023252 6898600 26532 13:10:00 9984528 15354372 593048 3.62 199572 5153520 1101420 6.32 921644 4898924 96 Average: 9115189 13849699 2101459 12.83 181032 4583188 2375777 13.64 889871 5866113 13435 12:40:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:14 lo 1099.67 1099.67 1047.76 1047.76 0.00 0.00 0.00 0.00 12:50:14 ens3 46.41 36.31 98.42 13.18 0.00 0.00 0.00 0.00 12:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:00 lo 1349.22 1349.22 1285.56 1285.56 0.00 0.00 0.00 0.00 13:00:00 ens3 51.39 38.09 237.39 10.72 0.00 0.00 0.00 0.00 13:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:00 lo 11.19 11.19 1.38 1.38 0.00 0.00 0.00 0.00 13:10:00 ens3 51.90 52.80 18.48 206.14 0.00 0.00 0.00 0.00 13:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 815.72 815.72 774.10 774.10 0.00 0.00 0.00 0.00 Average: ens3 49.89 42.44 117.20 77.24 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-64825) 03/31/26 _x86_64_ (4 CPU) 12:34:44 LINUX RESTART (4 CPU) 12:40:15 CPU %user %nice %system %iowait %steal %idle 12:50:14 all 62.76 0.00 2.37 0.98 0.18 33.70 12:50:14 0 62.48 0.00 2.23 1.00 0.18 34.10 12:50:14 1 61.25 0.00 2.26 0.31 0.18 36.00 12:50:14 2 65.05 0.00 2.38 1.40 0.19 30.98 12:50:14 3 62.27 0.00 2.61 1.21 0.18 33.72 13:00:00 all 53.82 0.00 2.40 1.53 0.16 42.09 13:00:00 0 53.30 0.00 2.48 1.01 0.17 43.05 13:00:00 1 52.94 0.00 2.15 0.77 0.15 43.99 13:00:00 2 54.65 0.00 2.46 2.62 0.16 40.12 13:00:00 3 54.40 0.00 2.52 1.71 0.16 41.21 13:10:00 all 34.96 0.00 1.12 0.13 0.10 63.69 13:10:00 0 32.29 0.00 0.96 0.03 0.09 66.63 13:10:00 1 33.89 0.00 1.04 0.16 0.10 64.81 13:10:00 2 35.71 0.00 1.56 0.12 0.11 62.51 13:10:00 3 37.94 0.00 0.91 0.23 0.10 60.82 Average: all 50.46 0.00 1.96 0.87 0.15 46.56 Average: 0 49.29 0.00 1.88 0.67 0.15 48.00 Average: 1 49.31 0.00 1.82 0.41 0.14 48.33 Average: 2 51.74 0.00 2.13 1.37 0.15 44.61 Average: 3 51.49 0.00 2.01 1.04 0.15 45.31