---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25931 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 12G 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 645 8877 4 6465 15001 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:e0:c1:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.151/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84176sec preferred_lft 84176sec inet6 fe80::f816:3eff:fee0:c1d2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:e3:81:09:f0:1a 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-25931) 03/03/26 _x86_64_ (4 CPU) 05:21:28 LINUX RESTART (4 CPU) 05:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:00 24.07 0.07 21.09 2.91 6.57 2356.96 4920.83 05:50:00 30.85 0.03 27.68 3.15 0.43 4579.17 10847.59 Average: 27.46 0.05 24.38 3.03 3.50 3468.07 7884.21 05:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:00 9300220 12927744 3029000 18.50 151500 3588560 3251556 18.66 719136 5959100 26168 05:50:00 7599008 12281976 3669984 22.41 167264 4582684 3698884 21.23 1008536 7313696 1576 Average: 8449614 12604860 3349492 20.46 159382 4085622 3475220 19.95 863836 6636398 13872 05:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:00 lo 1252.02 1252.02 1186.60 1186.60 0.00 0.00 0.00 0.00 05:40:00 ens3 49.24 38.59 31.30 13.07 0.00 0.00 0.00 0.00 05:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:00 lo 1324.63 1324.63 1256.53 1256.53 0.00 0.00 0.00 0.00 05:50:00 ens3 49.30 39.12 43.43 12.91 0.00 0.00 0.00 0.00 05:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1288.32 1288.32 1221.57 1221.57 0.00 0.00 0.00 0.00 Average: ens3 49.27 38.85 37.36 12.99 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-25931) 03/03/26 _x86_64_ (4 CPU) 05:21:28 LINUX RESTART (4 CPU) 05:30:00 CPU %user %nice %system %iowait %steal %idle 05:40:00 all 65.01 0.00 2.36 0.13 0.08 32.41 05:40:00 0 66.14 0.00 2.13 0.12 0.09 31.52 05:40:00 1 64.48 0.00 2.37 0.07 0.09 32.98 05:40:00 2 66.27 0.00 2.79 0.11 0.08 30.74 05:40:00 3 63.15 0.00 2.15 0.22 0.08 34.40 05:50:00 all 54.67 0.00 2.33 0.23 0.08 42.68 05:50:00 0 57.56 0.00 2.73 0.18 0.09 39.44 05:50:00 1 55.16 0.00 2.70 0.50 0.09 41.56 05:50:00 2 52.33 0.00 2.06 0.13 0.08 45.40 05:50:00 3 53.64 0.00 1.84 0.11 0.08 44.33 Average: all 59.84 0.00 2.35 0.18 0.08 37.54 Average: 0 61.85 0.00 2.43 0.15 0.09 35.48 Average: 1 59.82 0.00 2.54 0.28 0.09 37.27 Average: 2 59.31 0.00 2.43 0.12 0.08 38.07 Average: 3 58.40 0.00 2.00 0.16 0.08 39.36