---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37739 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: 5599.86 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 68G 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 675 10482 4 4830 14970 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:48:4a:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.168/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84251sec preferred_lft 84251sec inet6 fe80::f816:3eff:fe48:4a23/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:88:b4:37:a3:7b 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-37739) 07/22/26 _x86_64_ (4 CPU) 09:10:31 LINUX RESTART (4 CPU) 09:20:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 13.22 1.96 10.39 0.87 125.92 2840.39 1636.03 09:40:04 26.44 0.78 22.14 3.52 27.88 4160.91 4262.76 Average: 19.90 1.36 16.33 2.21 76.39 3507.47 2962.97 09:20:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10571540 13939224 2020940 12.34 131848 3356084 2528532 14.51 558628 4865728 31740 09:40:04 8949216 13421508 2530136 15.45 166484 4345832 3361476 19.29 859292 6094536 2792 Average: 9760378 13680366 2275538 13.90 149166 3850958 2945004 16.90 708960 5480132 17266 09:20:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 1.14 1.14 0.11 0.11 0.00 0.00 0.00 0.00 09:30:01 ens3 102.32 79.36 602.52 18.79 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:04 lo 1546.74 1546.74 1474.06 1474.06 0.00 0.00 0.00 0.00 09:40:04 ens3 86.76 65.38 428.18 22.74 0.00 0.00 0.00 0.00 09:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 781.93 781.93 744.70 744.70 0.00 0.00 0.00 0.00 Average: ens3 94.46 72.30 514.45 20.78 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-37739) 07/22/26 _x86_64_ (4 CPU) 09:10:31 LINUX RESTART (4 CPU) 09:20:09 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 56.58 0.00 1.84 0.04 0.09 41.45 09:30:01 0 56.33 0.00 1.82 0.02 0.08 41.76 09:30:01 1 57.62 0.00 1.79 0.05 0.08 40.45 09:30:01 2 57.38 0.00 2.15 0.04 0.09 40.35 09:30:01 3 54.98 0.00 1.62 0.05 0.09 43.26 09:40:04 all 66.22 0.00 2.59 0.06 0.09 31.03 09:40:04 0 63.53 0.00 2.63 0.06 0.09 33.68 09:40:04 1 67.81 0.00 2.43 0.04 0.09 29.63 09:40:04 2 65.73 0.00 2.69 0.11 0.09 31.39 09:40:04 3 67.83 0.00 2.63 0.04 0.09 29.42 Average: all 61.45 0.00 2.22 0.05 0.09 36.19 Average: 0 59.97 0.00 2.23 0.04 0.09 37.68 Average: 1 62.76 0.00 2.11 0.05 0.09 34.99 Average: 2 61.59 0.00 2.42 0.07 0.09 35.82 Average: 3 61.47 0.00 2.13 0.04 0.09 36.27