---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-458591 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 13G 66G 16% / 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 670 8499 4 6819 14976 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:dc:d0:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.63/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84465sec preferred_lft 84465sec inet6 fe80::f816:3eff:fedc:d073/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:1e:7e:ab:40:f3 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-458591) 03/13/26 _x86_64_ (4 CPU) 06:17:33 LINUX RESTART (4 CPU) 06:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:30:15 45.50 14.24 27.71 3.55 475.76 4787.62 17633.02 06:40:01 33.32 0.01 30.00 3.30 0.20 2578.30 25576.19 Average: 39.54 7.27 28.84 3.43 242.84 3705.50 21523.57 06:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:30:15 8896304 12612184 3345012 20.43 138416 3687652 3382308 19.41 780864 6283476 7436 06:40:01 9107076 13255792 2697696 16.48 167116 4057988 2669288 15.32 907928 5893900 31276 Average: 9001690 12933988 3021354 18.45 152766 3872820 3025798 17.37 844396 6088688 19356 06:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:30:15 lo 1525.79 1525.79 1448.16 1448.16 0.00 0.00 0.00 0.00 06:30:15 ens3 73.69 56.62 592.71 11.11 0.00 0.00 0.00 0.00 06:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:40:01 lo 1569.76 1569.76 1495.58 1495.58 0.00 0.00 0.00 0.00 06:40:01 ens3 23.23 21.21 41.68 6.31 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1547.33 1547.33 1471.39 1471.39 0.00 0.00 0.00 0.00 Average: ens3 48.97 39.28 322.82 8.75 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-458591) 03/13/26 _x86_64_ (4 CPU) 06:17:33 LINUX RESTART (4 CPU) 06:20:04 CPU %user %nice %system %iowait %steal %idle 06:30:15 all 71.34 0.07 2.62 0.17 0.10 25.71 06:30:15 0 70.07 0.00 2.49 0.14 0.10 27.20 06:30:15 1 71.16 0.12 2.68 0.22 0.10 25.73 06:30:15 2 72.99 0.01 2.76 0.09 0.10 24.05 06:30:15 3 71.14 0.14 2.55 0.22 0.10 25.85 06:40:01 all 64.98 0.00 2.63 0.12 0.11 32.15 06:40:01 0 66.62 0.00 2.84 0.11 0.11 30.31 06:40:01 1 64.45 0.00 2.65 0.08 0.11 32.72 06:40:01 2 65.04 0.00 2.69 0.05 0.11 32.11 06:40:01 3 63.82 0.00 2.36 0.25 0.11 33.46 Average: all 68.23 0.03 2.63 0.14 0.10 28.86 Average: 0 68.38 0.00 2.66 0.13 0.10 28.73 Average: 1 67.87 0.06 2.66 0.15 0.10 29.16 Average: 2 69.10 0.01 2.72 0.07 0.10 27.99 Average: 3 67.56 0.07 2.46 0.23 0.11 29.58