---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15781 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 10453 4 4857 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:03:33:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.173/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84853sec preferred_lft 84853sec inet6 fe80::f816:3eff:fe03:33a9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:d5:c0:e3:02:ab 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-15781) 05/16/26 _x86_64_ (4 CPU) 15:26:30 LINUX RESTART (4 CPU) 15:30:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:12 26.14 0.68 10.77 14.70 228.16 2552.97 245766.19 15:50:20 32.21 0.77 27.23 4.22 25.84 3879.69 5516.91 Average: 29.22 0.72 19.11 9.39 125.70 3224.86 124097.22 15:30:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:12 10092780 13713084 2244336 13.71 143376 3580644 2496916 14.33 697068 5165188 23268 15:50:20 10763656 15377648 572840 3.50 170544 4481312 1123948 6.45 961144 4148572 68 Average: 10428218 14545366 1408588 8.60 156960 4030978 1810432 10.39 829106 4656880 11668 15:30:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:12 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 15:40:12 ens3 71.16 54.44 158.74 17.81 0.00 0.00 0.00 0.00 15:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:20 lo 1672.38 1672.38 1584.94 1584.94 0.00 0.00 0.00 0.00 15:50:20 ens3 100.93 88.71 403.78 110.65 0.00 0.00 0.00 0.00 15:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 847.65 847.65 802.73 802.73 0.00 0.00 0.00 0.00 Average: ens3 86.24 71.80 282.84 64.83 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-15781) 05/16/26 _x86_64_ (4 CPU) 15:26:30 LINUX RESTART (4 CPU) 15:30:20 CPU %user %nice %system %iowait %steal %idle 15:40:12 all 72.44 0.00 2.46 0.04 0.14 24.92 15:40:12 0 71.10 0.00 2.20 0.03 0.13 26.54 15:40:12 1 71.56 0.00 2.35 0.03 0.18 25.89 15:40:12 2 74.41 0.00 3.00 0.05 0.13 22.40 15:40:12 3 72.67 0.00 2.29 0.03 0.13 24.87 15:50:20 all 51.75 0.00 2.28 0.06 0.10 45.81 15:50:20 0 52.67 0.00 2.05 0.05 0.10 45.13 15:50:20 1 52.76 0.00 2.13 0.05 0.09 44.97 15:50:20 2 52.99 0.00 2.45 0.04 0.10 44.42 15:50:20 3 48.58 0.00 2.49 0.10 0.09 48.73 Average: all 61.95 0.00 2.37 0.05 0.12 35.51 Average: 0 61.74 0.00 2.13 0.04 0.11 35.97 Average: 1 62.04 0.00 2.24 0.04 0.14 35.55 Average: 2 63.57 0.00 2.72 0.04 0.11 33.55 Average: 3 60.46 0.00 2.39 0.07 0.11 36.97