---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29289 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 12G 66G 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 718 9320 4 5950 14928 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:c5:06:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84491sec preferred_lft 84491sec inet6 fe80::f816:3eff:fec5:6d5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:fd:cb:dc:47:c3 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-29289) 06/22/26 _x86_64_ (4 CPU) 01:06:20 LINUX RESTART (4 CPU) 01:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:46 21.24 0.66 17.62 2.97 24.58 3109.44 38759.34 01:30:25 23.42 0.17 19.91 3.34 5.06 1884.13 30887.12 Average: 22.28 0.42 18.71 3.15 15.27 2524.73 35002.77 01:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:46 9510680 13031648 2926908 17.88 131300 3504716 3153220 18.10 677668 5790500 136 01:30:25 9191552 13109352 2845732 17.38 151956 3851824 2916676 16.74 811336 5931192 16684 Average: 9351116 13070500 2886320 17.63 141628 3678270 3034948 17.42 744502 5860846 8410 01:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:46 lo 29.78 29.78 6.98 6.98 0.00 0.00 0.00 0.00 01:20:46 ens3 28.46 22.42 135.30 6.06 0.00 0.00 0.00 0.00 01:20:46 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:25 lo 1358.78 1358.78 1271.53 1271.53 0.00 0.00 0.00 0.00 01:30:25 ens3 50.02 33.74 275.50 8.25 0.00 0.00 0.00 0.00 01:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 663.97 663.97 610.41 610.41 0.00 0.00 0.00 0.00 Average: ens3 38.75 27.82 202.20 7.10 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-29289) 06/22/26 _x86_64_ (4 CPU) 01:06:20 LINUX RESTART (4 CPU) 01:10:10 CPU %user %nice %system %iowait %steal %idle 01:20:46 all 34.01 0.00 1.26 0.12 0.09 64.51 01:20:46 0 33.84 0.00 1.12 0.07 0.09 64.88 01:20:46 1 32.71 0.00 1.21 0.18 0.09 65.82 01:20:46 2 33.87 0.00 1.18 0.06 0.09 64.80 01:20:46 3 35.61 0.00 1.55 0.18 0.09 62.57 01:30:25 all 31.94 0.00 1.65 0.07 0.09 66.24 01:30:25 0 32.21 0.00 1.74 0.15 0.09 65.81 01:30:25 1 31.76 0.00 1.59 0.03 0.09 66.53 01:30:25 2 31.80 0.00 1.73 0.03 0.10 66.35 01:30:25 3 32.01 0.00 1.54 0.08 0.10 66.27 Average: all 33.02 0.00 1.45 0.10 0.09 65.34 Average: 0 33.06 0.00 1.42 0.11 0.09 65.32 Average: 1 32.26 0.00 1.39 0.11 0.09 66.16 Average: 2 32.88 0.00 1.44 0.05 0.09 65.54 Average: 3 33.89 0.00 1.55 0.14 0.09 64.33