---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19084 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: 5599.99 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 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 677 10506 4 4804 14969 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:25:60:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84867sec preferred_lft 84867sec inet6 fe80::f816:3eff:fe25:60ee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:44:48:e0:9b:75 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-19084) 05/22/26 _x86_64_ (4 CPU) 15:26:30 LINUX RESTART (4 CPU) 15:30:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 11.88 0.49 10.25 1.14 18.98 2416.68 2568.10 15:50:21 27.80 0.76 22.89 4.15 26.17 3826.64 12553.66 Average: 20.10 0.63 16.78 2.70 22.69 3144.88 7725.34 15:30:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 10066416 13610256 2347544 14.34 142588 3501556 2676564 15.36 625300 5275724 18280 15:50:21 10805788 15365960 584660 3.57 173780 4419764 1097040 6.30 896912 4152232 40 Average: 10436102 14488108 1466102 8.95 158184 3960660 1886802 10.83 761106 4713978 9160 15:30:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 15:40:01 ens3 65.04 49.98 98.84 17.85 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:21 lo 1557.21 1557.21 1474.21 1474.21 0.00 0.00 0.00 0.00 15:50:21 ens3 108.05 92.90 402.81 142.83 0.00 0.00 0.00 0.00 15:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 804.94 804.94 761.45 761.45 0.00 0.00 0.00 0.00 Average: ens3 87.26 72.15 255.83 82.40 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-19084) 05/22/26 _x86_64_ (4 CPU) 15:26:30 LINUX RESTART (4 CPU) 15:30:20 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 72.74 0.00 2.30 0.11 0.14 24.72 15:40:01 0 71.86 0.00 2.32 0.21 0.14 25.47 15:40:01 1 74.86 0.00 2.55 0.12 0.14 22.33 15:40:01 2 73.51 0.00 2.13 0.05 0.13 24.18 15:40:01 3 70.73 0.00 2.21 0.05 0.13 26.88 15:50:21 all 52.36 0.00 2.38 0.22 0.12 44.92 15:50:21 0 48.79 0.00 2.11 0.32 0.11 48.67 15:50:21 1 52.74 0.00 2.43 0.28 0.11 44.44 15:50:21 2 50.71 0.00 2.60 0.16 0.11 46.42 15:50:21 3 57.22 0.00 2.37 0.14 0.12 40.14 Average: all 62.21 0.00 2.34 0.17 0.12 35.16 Average: 0 59.92 0.00 2.21 0.27 0.13 37.47 Average: 1 63.43 0.00 2.49 0.20 0.13 33.76 Average: 2 61.73 0.00 2.37 0.10 0.12 35.67 Average: 3 63.75 0.00 2.29 0.10 0.12 33.73