---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-428494 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 650 10110 4 5229 14996 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:5f:04:f1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84549sec preferred_lft 84549sec inet6 fe80::f816:3eff:fe5f:4f1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:2e:59:ca:8b:7a 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-428494) 03/10/26 _x86_64_ (4 CPU) 14:46:42 LINUX RESTART (4 CPU) 14:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:12 55.97 0.35 47.52 8.09 14.68 2783.32 148087.38 15:10:12 22.93 0.16 19.23 3.54 4.89 1710.59 27298.27 Average: 39.47 0.26 33.40 5.82 9.79 2247.64 87770.23 14:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:12 9680956 12951084 3009244 18.38 152980 3252064 3236728 18.58 672700 5649880 420 15:10:12 9024316 12776656 3180300 19.42 170068 3684816 3332852 19.13 802812 6139712 132184 Average: 9352636 12863870 3094772 18.90 161524 3468440 3284790 18.85 737756 5894796 66302 14:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:12 lo 24.32 24.32 5.71 5.71 0.00 0.00 0.00 0.00 15:00:12 ens3 22.85 18.33 27.70 5.62 0.00 0.00 0.00 0.00 15:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:12 lo 1323.66 1323.66 1233.67 1233.67 0.00 0.00 0.00 0.00 15:10:12 ens3 41.88 32.62 259.90 8.30 0.00 0.00 0.00 0.00 15:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 673.16 673.16 618.90 618.90 0.00 0.00 0.00 0.00 Average: ens3 32.36 25.47 143.65 6.96 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-428494) 03/10/26 _x86_64_ (4 CPU) 14:46:42 LINUX RESTART (4 CPU) 14:50:10 CPU %user %nice %system %iowait %steal %idle 15:00:12 all 34.52 0.00 1.25 0.31 0.08 63.85 15:00:12 0 34.91 0.00 1.09 0.12 0.08 63.80 15:00:12 1 35.38 0.00 1.23 0.74 0.08 62.57 15:00:12 2 34.66 0.00 1.37 0.23 0.08 63.66 15:00:12 3 33.12 0.00 1.28 0.14 0.08 65.38 15:10:12 all 29.66 0.00 1.61 0.06 0.08 68.59 15:10:12 0 30.26 0.00 1.46 0.08 0.07 68.12 15:10:12 1 29.67 0.00 1.61 0.04 0.08 68.60 15:10:12 2 29.02 0.00 1.76 0.07 0.08 69.08 15:10:12 3 29.71 0.00 1.61 0.06 0.08 68.55 Average: all 32.10 0.00 1.43 0.18 0.08 66.21 Average: 0 32.59 0.00 1.28 0.10 0.08 65.96 Average: 1 32.53 0.00 1.42 0.39 0.08 65.58 Average: 2 31.84 0.00 1.57 0.15 0.08 66.36 Average: 3 31.42 0.00 1.45 0.10 0.08 66.96