---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-429634 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 673 8698 4 6617 14973 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:9a:96:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.206/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84562sec preferred_lft 84562sec inet6 fe80::f816:3eff:fe9a:96c7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:a3:7f:d9:0e:01 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-429634) 03/10/26 _x86_64_ (4 CPU) 16:54:43 LINUX RESTART (4 CPU) 17:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:10:16 22.09 0.06 19.63 2.40 6.32 2066.97 18241.15 17:20:16 28.94 0.03 26.10 2.81 0.37 4375.74 27663.85 Average: 25.51 0.04 22.86 2.60 3.35 3221.37 22952.54 17:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:10:16 9189216 12913140 3043024 18.59 144384 3694024 3026596 17.37 779440 6012904 12604 17:20:16 5904904 10671396 5280396 32.25 160104 4675784 5172508 29.69 1077884 8924572 18476 Average: 7547060 11792268 4161710 25.42 152244 4184904 4099552 23.53 928662 7468738 15540 17:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:10:16 lo 1166.03 1166.03 1104.02 1104.02 0.00 0.00 0.00 0.00 17:10:16 ens3 24.80 22.68 22.30 7.05 0.00 0.00 0.00 0.00 17:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:16 lo 1259.83 1259.83 1224.15 1224.15 0.00 0.00 0.00 0.00 17:20:16 ens3 24.89 21.37 23.93 6.75 0.00 0.00 0.00 0.00 17:20:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1212.93 1212.93 1164.08 1164.08 0.00 0.00 0.00 0.00 Average: ens3 24.85 22.02 23.11 6.90 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-429634) 03/10/26 _x86_64_ (4 CPU) 16:54:43 LINUX RESTART (4 CPU) 17:00:16 CPU %user %nice %system %iowait %steal %idle 17:10:16 all 67.49 0.00 2.26 0.05 0.10 30.10 17:10:16 0 66.44 0.00 2.25 0.08 0.10 31.13 17:10:16 1 68.27 0.00 2.35 0.05 0.10 29.23 17:10:16 2 67.42 0.00 2.20 0.04 0.10 30.23 17:10:16 3 67.83 0.00 2.23 0.04 0.10 29.79 17:20:16 all 57.31 0.00 2.33 0.11 0.10 40.15 17:20:16 0 56.20 0.00 2.36 0.11 0.10 41.22 17:20:16 1 56.14 0.00 2.20 0.20 0.11 41.35 17:20:16 2 56.75 0.00 2.23 0.06 0.11 40.86 17:20:16 3 60.14 0.00 2.52 0.08 0.10 37.15 Average: all 62.40 0.00 2.29 0.08 0.10 35.12 Average: 0 61.32 0.00 2.30 0.10 0.10 36.18 Average: 1 62.20 0.00 2.27 0.12 0.10 35.30 Average: 2 62.09 0.00 2.21 0.05 0.10 35.55 Average: 3 63.98 0.00 2.38 0.06 0.10 33.47