---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-460627 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: 5599.99 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 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 619 10531 4 4838 15027 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:09:a3:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.247/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84819sec preferred_lft 84819sec inet6 fe80::f816:3eff:fe09:a3ae/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:b5:bb:2b:1c:19 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-460627) 03/13/26 _x86_64_ (4 CPU) 08:15:19 LINUX RESTART (4 CPU) 08:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:09 5.56 0.14 5.05 0.37 11.13 801.71 244.30 08:40:01 18.18 0.52 16.35 1.31 19.25 2296.52 9154.37 Average: 11.79 0.33 10.63 0.83 15.14 1539.66 4642.97 08:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:09 10468128 13534596 2427816 14.83 115576 3111464 2740220 15.73 513172 5053444 12032 08:40:01 8900744 12655460 3302460 20.17 134208 3745144 3391508 19.47 724072 6363348 266400 Average: 9684436 13095028 2865138 17.50 124892 3428304 3065864 17.60 618622 5708396 139216 08:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:09 lo 0.64 0.64 0.38 0.38 0.00 0.00 0.00 0.00 08:30:09 ens3 17.86 13.14 117.66 2.71 0.00 0.00 0.00 0.00 08:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 497.34 497.34 473.83 473.83 0.00 0.00 0.00 0.00 08:40:01 ens3 36.69 26.68 413.45 3.60 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 245.85 245.85 234.11 234.11 0.00 0.00 0.00 0.00 Average: ens3 27.16 19.82 263.68 3.15 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-460627) 03/13/26 _x86_64_ (4 CPU) 08:15:19 LINUX RESTART (4 CPU) 08:20:01 CPU %user %nice %system %iowait %steal %idle 08:30:09 all 50.44 0.00 0.75 0.04 0.07 48.71 08:30:09 0 54.62 0.00 0.75 0.02 0.07 44.53 08:30:09 1 43.13 0.00 0.70 0.03 0.07 56.07 08:30:09 2 39.80 0.00 0.64 0.03 0.06 59.47 08:30:09 3 64.21 0.00 0.90 0.07 0.08 34.75 08:40:01 all 57.56 0.00 1.21 0.06 0.08 41.10 08:40:01 0 48.63 0.00 1.19 0.05 0.08 50.05 08:40:01 1 51.96 0.00 1.02 0.05 0.07 46.89 08:40:01 2 54.02 0.00 1.29 0.07 0.07 44.54 08:40:01 3 75.61 0.00 1.35 0.06 0.08 22.90 Average: all 53.95 0.00 0.98 0.04 0.07 44.95 Average: 0 51.67 0.00 0.97 0.03 0.08 47.25 Average: 1 47.49 0.00 0.86 0.04 0.07 51.54 Average: 2 46.81 0.00 0.96 0.05 0.07 52.11 Average: 3 69.84 0.00 1.12 0.06 0.08 28.90