---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-459004 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 623 10573 4 4793 15023 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:9e:f8:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84694sec preferred_lft 84694sec inet6 fe80::f816:3eff:fe9e:f8f9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:58:2d:88:12:13 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-459004) 03/13/26 _x86_64_ (4 CPU) 07:14:06 LINUX RESTART (4 CPU) 07:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:37 3.48 0.07 3.25 0.16 6.69 488.01 30.97 07:40:20 16.09 0.53 14.40 1.17 19.63 2283.75 8938.89 Average: 9.51 0.29 8.58 0.64 12.88 1346.63 4290.25 07:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:37 10756756 13765212 2198324 13.43 113604 3057672 2421176 13.90 503444 4772948 30196 07:40:20 9216484 12911996 3047032 18.61 135252 3686312 3261704 18.72 717876 6059840 267728 Average: 9986620 13338604 2622678 16.02 124428 3371992 2841440 16.31 610660 5416394 148962 07:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:37 lo 0.58 0.58 0.35 0.35 0.00 0.00 0.00 0.00 07:30:37 ens3 9.49 7.62 34.21 2.14 0.00 0.00 0.00 0.00 07:30:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:20 lo 358.36 358.36 341.21 341.21 0.00 0.00 0.00 0.00 07:40:20 ens3 36.12 24.52 420.08 3.53 0.00 0.00 0.00 0.00 07:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 171.65 171.65 163.33 163.33 0.00 0.00 0.00 0.00 Average: ens3 22.22 15.70 218.71 2.81 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-459004) 03/13/26 _x86_64_ (4 CPU) 07:14:06 LINUX RESTART (4 CPU) 07:20:01 CPU %user %nice %system %iowait %steal %idle 07:30:37 all 47.35 0.00 0.72 0.01 0.10 51.83 07:30:37 0 43.40 0.00 0.81 0.02 0.09 55.68 07:30:37 1 58.48 0.00 0.60 0.01 0.11 40.80 07:30:37 2 50.46 0.00 0.84 0.01 0.10 48.59 07:30:37 3 37.07 0.00 0.62 0.01 0.09 62.21 07:40:20 all 54.15 0.00 1.24 0.04 0.11 44.46 07:40:20 0 45.61 0.00 1.16 0.06 0.10 53.07 07:40:20 1 45.64 0.00 1.21 0.03 0.10 53.01 07:40:20 2 45.45 0.00 1.40 0.06 0.10 52.99 07:40:20 3 79.90 0.00 1.20 0.02 0.12 18.76 Average: all 50.60 0.00 0.97 0.03 0.10 48.30 Average: 0 44.46 0.00 0.98 0.04 0.10 54.43 Average: 1 52.35 0.00 0.89 0.02 0.10 46.63 Average: 2 48.06 0.00 1.11 0.03 0.10 50.70 Average: 3 57.52 0.00 0.90 0.02 0.10 41.46