---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26052 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 612 10538 4 4839 15034 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:cf:97:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.27/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84880sec preferred_lft 84880sec inet6 fe80::f816:3eff:fecf:97b2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:2c:05:80:3a:8a 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-26052) 03/03/26 _x86_64_ (4 CPU) 15:47:08 LINUX RESTART (4 CPU) 15:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:37 24.65 0.59 21.22 2.85 28.20 3018.34 5127.10 16:10:37 32.44 0.04 29.27 3.13 0.84 4678.43 11958.07 Average: 28.43 0.32 25.12 2.99 14.92 3823.98 8442.17 15:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:37 9448328 12951896 3006504 18.36 136192 3489952 3124192 17.93 688536 5841168 17396 16:10:37 7959396 12557524 3395440 20.74 161468 4509320 3441332 19.75 997108 6961684 6160 Average: 8703862 12754710 3200972 19.55 148830 3999636 3282762 18.84 842822 6401426 11778 15:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:37 lo 1456.85 1456.85 1381.97 1381.97 0.00 0.00 0.00 0.00 16:00:37 ens3 41.28 31.97 53.75 9.19 0.00 0.00 0.00 0.00 16:00:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:37 lo 1388.05 1388.05 1319.02 1319.02 0.00 0.00 0.00 0.00 16:10:37 ens3 33.79 27.60 48.68 13.20 0.00 0.00 0.00 0.00 16:10:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1423.46 1423.46 1351.42 1351.42 0.00 0.00 0.00 0.00 Average: ens3 37.65 29.85 51.29 11.14 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-26052) 03/03/26 _x86_64_ (4 CPU) 15:47:08 LINUX RESTART (4 CPU) 15:50:01 CPU %user %nice %system %iowait %steal %idle 16:00:37 all 68.40 0.00 2.38 0.06 0.11 29.05 16:00:37 0 69.08 0.00 2.32 0.04 0.12 28.45 16:00:37 1 70.04 0.00 2.31 0.07 0.11 27.48 16:00:37 2 66.10 0.00 2.26 0.08 0.11 31.44 16:00:37 3 68.37 0.00 2.62 0.06 0.11 28.84 16:10:37 all 61.04 0.00 2.46 0.10 0.10 36.29 16:10:37 0 58.67 0.00 2.17 0.06 0.10 39.00 16:10:37 1 64.41 0.00 2.62 0.05 0.10 32.83 16:10:37 2 59.61 0.00 2.47 0.22 0.10 37.60 16:10:37 3 61.49 0.00 2.60 0.09 0.10 35.72 Average: all 64.83 0.00 2.42 0.08 0.11 32.56 Average: 0 64.02 0.00 2.25 0.05 0.11 33.57 Average: 1 67.30 0.00 2.46 0.06 0.11 30.07 Average: 2 62.96 0.00 2.36 0.15 0.11 34.43 Average: 3 65.04 0.00 2.61 0.07 0.11 32.17