---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-428835 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 12G 67G 15% / 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 663 9598 4 5727 14983 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:8a:74:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84724sec preferred_lft 84724sec inet6 fe80::f816:3eff:fe8a:748c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:95:e3:d5:18:9f 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-428835) 03/10/26 _x86_64_ (4 CPU) 14:56:49 LINUX RESTART (4 CPU) 15:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:10:08 19.52 0.36 16.02 3.14 14.85 2187.79 56316.88 15:20:01 38.08 0.16 20.57 17.35 4.88 1767.34 268333.54 Average: 28.75 0.26 18.28 10.21 9.89 1978.71 161745.19 15:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:10:08 9854296 13186992 2772872 16.94 126396 3334036 3008500 17.27 662972 5475504 20 15:20:01 9466984 13172184 2784524 17.01 145168 3663728 2851100 16.37 801324 5699492 25440 Average: 9660640 13179588 2778698 16.97 135782 3498882 2929800 16.82 732148 5587498 12730 15:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:10:08 lo 31.99 31.99 7.34 7.34 0.00 0.00 0.00 0.00 15:10:08 ens3 12.65 10.91 13.36 3.75 0.00 0.00 0.00 0.00 15:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 lo 1483.17 1483.17 1391.11 1391.11 0.00 0.00 0.00 0.00 15:20:01 ens3 37.06 25.94 263.35 5.45 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 753.61 753.61 695.44 695.44 0.00 0.00 0.00 0.00 Average: ens3 24.79 18.38 137.67 4.60 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-428835) 03/10/26 _x86_64_ (4 CPU) 14:56:49 LINUX RESTART (4 CPU) 15:00:08 CPU %user %nice %system %iowait %steal %idle 15:10:08 all 31.49 0.00 1.03 0.13 0.09 67.27 15:10:08 0 29.90 0.00 0.98 0.07 0.09 68.97 15:10:08 1 31.75 0.00 1.01 0.16 0.09 66.99 15:10:08 2 31.95 0.00 1.11 0.17 0.09 66.69 15:10:08 3 32.38 0.00 1.02 0.10 0.09 66.42 15:20:01 all 37.76 0.00 1.89 0.12 0.10 60.13 15:20:01 0 38.48 0.00 1.99 0.11 0.10 59.32 15:20:01 1 38.15 0.00 1.93 0.10 0.10 59.73 15:20:01 2 35.97 0.00 1.65 0.15 0.10 62.12 15:20:01 3 38.43 0.00 1.99 0.14 0.10 59.35 Average: all 34.61 0.00 1.46 0.12 0.09 63.72 Average: 0 34.16 0.00 1.48 0.09 0.09 64.17 Average: 1 34.93 0.00 1.47 0.13 0.09 63.38 Average: 2 33.95 0.00 1.38 0.16 0.09 64.42 Average: 3 35.38 0.00 1.50 0.12 0.09 62.91