---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-458985 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: 5600.00 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 620 10582 4 4786 15026 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:f0:3b:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84724sec preferred_lft 84724sec inet6 fe80::f816:3eff:fef0:3b51/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:19:51:9a:a4:c5 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-458985) 03/13/26 _x86_64_ (4 CPU) 07:13:42 LINUX RESTART (4 CPU) 07:20:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:25 3.44 0.07 3.20 0.16 7.09 505.05 21.33 07:40:25 19.38 0.51 17.37 1.50 18.97 2489.23 6766.11 Average: 11.41 0.29 10.29 0.83 13.03 1497.14 3393.72 07:20:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:25 10466696 13473840 2489704 15.21 113400 3056116 2788732 16.01 499648 5069308 35872 07:40:25 9842692 13612184 2347080 14.34 134036 3758852 2518512 14.46 694648 5440552 313096 Average: 10154694 13543012 2418392 14.77 123718 3407484 2653622 15.23 597148 5254930 174484 07:20:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:25 lo 0.60 0.60 0.38 0.38 0.00 0.00 0.00 0.00 07:30:25 ens3 10.26 8.05 36.30 2.31 0.00 0.00 0.00 0.00 07:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:25 lo 507.61 507.61 483.75 483.75 0.00 0.00 0.00 0.00 07:40:25 ens3 46.22 31.82 482.30 5.29 0.00 0.00 0.00 0.00 07:40:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 254.10 254.10 242.06 242.06 0.00 0.00 0.00 0.00 Average: ens3 28.24 19.93 259.30 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-458985) 03/13/26 _x86_64_ (4 CPU) 07:13:42 LINUX RESTART (4 CPU) 07:20:25 CPU %user %nice %system %iowait %steal %idle 07:30:25 all 46.62 0.00 0.70 0.19 0.09 52.40 07:30:25 0 39.54 0.00 0.60 0.19 0.09 59.58 07:30:25 1 37.60 0.00 0.76 0.17 0.09 61.38 07:30:25 2 48.75 0.00 0.67 0.09 0.10 50.38 07:30:25 3 60.57 0.00 0.77 0.30 0.09 38.26 07:40:25 all 53.84 0.00 1.29 0.13 0.09 44.66 07:40:25 0 41.01 0.00 1.20 0.10 0.09 57.60 07:40:25 1 50.69 0.00 1.49 0.13 0.08 47.62 07:40:25 2 77.91 0.00 1.19 0.13 0.09 20.68 07:40:25 3 45.74 0.00 1.26 0.15 0.10 52.76 Average: all 50.23 0.00 0.99 0.16 0.09 48.53 Average: 0 40.28 0.00 0.90 0.15 0.09 58.59 Average: 1 44.16 0.00 1.12 0.15 0.09 54.48 Average: 2 63.34 0.00 0.93 0.11 0.09 35.52 Average: 3 53.15 0.00 1.02 0.23 0.09 45.51