---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37833 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 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 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 749 9296 4 5943 14897 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:b0:0d:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84050sec preferred_lft 84050sec inet6 fe80::f816:3eff:feb0:d73/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:42:d7:78:53:fd 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-37833) 07/22/26 _x86_64_ (4 CPU) 20:24:59 LINUX RESTART (4 CPU) 20:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:03 19.81 1.08 17.13 1.60 46.67 4336.07 1860.51 20:50:03 56.08 0.01 45.04 11.03 0.48 3110.13 12336.53 21:00:01 29.68 0.15 24.60 4.94 9.86 4775.97 4716.53 Average: 35.17 0.41 28.91 5.85 19.06 4073.67 6298.80 20:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:03 9178088 13472268 2479808 15.15 185524 4157224 2655452 15.24 773100 5919848 206584 20:50:03 8384380 13081144 2867132 17.51 211660 4499456 3080640 17.68 875120 6599584 141868 21:00:01 9632148 15351504 592340 3.62 245028 5433204 1120240 6.43 1239556 4908548 216 Average: 9064872 13968305 1979760 12.09 214071 4696628 2285444 13.12 962592 5809327 116223 20:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:03 lo 199.27 199.27 188.83 188.83 0.00 0.00 0.00 0.00 20:40:03 ens3 107.57 74.19 419.99 20.62 0.00 0.00 0.00 0.00 20:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:03 lo 5864.05 5864.05 5592.96 5592.96 0.00 0.00 0.00 0.00 20:50:03 ens3 76.38 59.32 27.53 20.71 0.00 0.00 0.00 0.00 20:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 2408.97 2408.97 2285.31 2285.31 0.00 0.00 0.00 0.00 21:00:01 ens3 96.71 86.46 114.74 130.69 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2820.09 2820.09 2685.23 2685.23 0.00 0.00 0.00 0.00 Average: ens3 93.57 73.31 187.90 57.19 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-37833) 07/22/26 _x86_64_ (4 CPU) 20:24:59 LINUX RESTART (4 CPU) 20:30:00 CPU %user %nice %system %iowait %steal %idle 20:40:03 all 69.82 0.00 2.56 0.07 0.10 27.45 20:40:03 0 69.27 0.00 2.57 0.08 0.10 27.98 20:40:03 1 69.80 0.00 2.68 0.06 0.10 27.36 20:40:03 2 69.89 0.00 2.53 0.05 0.09 27.44 20:40:03 3 70.33 0.00 2.48 0.08 0.10 27.01 20:50:03 all 61.93 0.00 4.22 0.44 0.10 33.31 20:50:03 0 62.21 0.00 4.42 0.79 0.10 32.49 20:50:03 1 61.64 0.00 3.90 0.21 0.10 34.15 20:50:03 2 60.46 0.00 3.97 0.45 0.10 35.02 20:50:03 3 63.41 0.00 4.60 0.29 0.10 31.60 21:00:01 all 46.36 0.00 2.66 0.36 0.09 50.54 21:00:01 0 48.19 0.00 2.87 0.32 0.09 48.52 21:00:01 1 43.60 0.00 2.61 0.20 0.08 53.50 21:00:01 2 50.09 0.00 2.76 0.50 0.09 46.56 21:00:01 3 43.55 0.00 2.39 0.42 0.08 53.56 Average: all 59.40 0.00 3.15 0.29 0.09 37.07 Average: 0 59.91 0.00 3.28 0.40 0.10 36.31 Average: 1 58.39 0.00 3.06 0.16 0.10 38.30 Average: 2 60.18 0.00 3.08 0.33 0.09 36.31 Average: 3 59.14 0.00 3.15 0.26 0.09 37.35