---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2250 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 68G 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 661 10607 4 4720 14984 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:08:1b:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84554sec preferred_lft 84554sec inet6 fe80::f816:3eff:fe08:1bd4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:d0:01:cf:57:dc 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-2250) 04/12/26 _x86_64_ (4 CPU) 05:39:00 LINUX RESTART (4 CPU) 05:40:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:50:01 17.45 2.98 13.74 0.73 169.84 3651.32 1446.55 06:00:01 10.14 0.51 8.59 1.04 19.02 1984.31 2759.10 Average: 13.71 1.72 11.11 0.89 92.75 2799.22 2117.47 05:40:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:50:01 10978420 14022476 1939540 11.85 120848 3072744 2372680 13.62 509248 4533508 29560 06:00:01 9607352 13439360 2515752 15.37 153740 3752120 2722864 15.63 700380 5620928 225400 Average: 10292886 13730918 2227646 13.61 137294 3412432 2547772 14.62 604814 5077218 127480 05:40:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:50:01 lo 0.74 0.74 0.08 0.08 0.00 0.00 0.00 0.00 05:50:01 ens3 76.83 63.74 758.92 14.07 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 06:00:01 ens3 58.54 46.73 111.24 17.45 0.00 0.00 0.00 0.00 06:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 67.48 55.04 427.86 15.80 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-2250) 04/12/26 _x86_64_ (4 CPU) 05:39:00 LINUX RESTART (4 CPU) 05:40:27 CPU %user %nice %system %iowait %steal %idle 05:50:01 all 33.63 0.00 1.13 0.09 0.06 65.08 05:50:01 0 33.90 0.00 1.10 0.07 0.06 64.87 05:50:01 1 31.91 0.00 0.96 0.14 0.06 66.92 05:50:01 2 34.90 0.00 1.26 0.06 0.07 63.72 05:50:01 3 33.81 0.00 1.21 0.11 0.06 64.81 06:00:01 all 71.19 0.00 2.24 0.03 0.11 26.43 06:00:01 0 70.45 0.00 2.33 0.02 0.11 27.09 06:00:01 1 71.06 0.00 2.21 0.06 0.11 26.56 06:00:01 2 71.68 0.00 2.02 0.02 0.11 26.17 06:00:01 3 71.56 0.00 2.39 0.03 0.11 25.92 Average: all 52.81 0.00 1.70 0.06 0.09 45.34 Average: 0 52.57 0.00 1.73 0.04 0.09 45.57 Average: 1 51.91 0.00 1.60 0.10 0.09 46.30 Average: 2 53.69 0.00 1.65 0.04 0.09 44.53 Average: 3 53.08 0.00 1.81 0.07 0.09 44.95