---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53240 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5599.94 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 67G 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 630 10516 4 4842 15016 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:c8:b2:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.233/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84793sec preferred_lft 84793sec inet6 fe80::f816:3eff:fec8:b2cb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:b2:70:df:1d:08 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53240) 03/26/26 _x86_64_ (4 CPU) 20:07:29 LINUX RESTART (4 CPU) 20:10:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:17 7.63 1.74 5.65 0.23 121.40 1663.07 219.28 20:30:17 8.50 0.52 7.54 0.43 19.02 1590.38 929.79 Average: 8.06 1.13 6.60 0.33 70.18 1626.70 574.72 20:10:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:17 9246484 12215032 3748544 22.89 113020 3021660 3912972 22.46 498180 6279016 564 20:30:17 9913816 13402200 2557968 15.62 130640 3493516 2726392 15.65 632976 5450684 100320 Average: 9580150 12808616 3153256 19.26 121830 3257588 3319682 19.05 565578 5864850 50442 20:10:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:17 lo 0.66 0.66 0.39 0.39 0.00 0.00 0.00 0.00 20:20:17 ens3 28.41 23.90 285.60 4.25 0.00 0.00 0.00 0.00 20:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:17 lo 183.09 183.09 174.21 174.21 0.00 0.00 0.00 0.00 20:30:17 ens3 33.61 24.83 432.11 3.34 0.00 0.00 0.00 0.00 20:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 91.92 91.92 87.34 87.34 0.00 0.00 0.00 0.00 Average: ens3 31.01 24.36 358.89 3.80 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-53240) 03/26/26 _x86_64_ (4 CPU) 20:07:29 LINUX RESTART (4 CPU) 20:10:18 CPU %user %nice %system %iowait %steal %idle 20:20:17 all 51.57 0.00 0.94 0.04 0.08 47.37 20:20:17 0 44.60 0.00 0.94 0.04 0.07 54.35 20:20:17 1 67.36 0.00 1.25 0.05 0.08 31.27 20:20:17 2 50.72 0.00 0.86 0.05 0.07 48.30 20:20:17 3 43.62 0.00 0.72 0.04 0.08 55.54 20:30:17 all 48.03 0.00 0.83 0.03 0.07 51.03 20:30:17 0 57.88 0.00 0.82 0.05 0.07 41.18 20:30:17 1 59.49 0.00 0.87 0.01 0.08 39.56 20:30:17 2 45.58 0.00 0.86 0.02 0.07 53.47 20:30:17 3 29.22 0.00 0.77 0.05 0.08 69.88 Average: all 49.80 0.00 0.89 0.04 0.08 49.20 Average: 0 51.24 0.00 0.88 0.04 0.07 47.76 Average: 1 63.42 0.00 1.06 0.03 0.08 35.41 Average: 2 48.15 0.00 0.86 0.03 0.07 50.89 Average: 3 36.42 0.00 0.75 0.05 0.08 62.71