---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37512 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 643 10212 4 5133 15003 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:4e:d4:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84734sec preferred_lft 84734sec inet6 fe80::f816:3eff:fe4e:d43f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:bb:49:dc:5d:5e 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-37512) 03/25/26 _x86_64_ (4 CPU) 09:44:45 LINUX RESTART (4 CPU) 09:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:02 19.97 0.30 6.05 13.61 380.74 924.34 253203.44 10:10:02 14.62 0.52 13.07 1.03 18.99 2003.56 7488.55 Average: 17.30 0.41 9.56 7.34 200.27 1462.73 130623.84 09:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:02 10397444 13749264 2211660 13.51 118892 3390820 2523128 14.48 666980 4965692 26532 10:10:02 9444532 13318688 2638036 16.11 137372 3864564 2774800 15.93 848340 5701284 112964 Average: 9920988 13533976 2424848 14.81 128132 3627692 2648964 15.21 757660 5333488 69748 09:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:02 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 10:00:02 ens3 16.01 11.47 164.53 2.66 0.00 0.00 0.00 0.00 10:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:02 lo 408.39 408.39 389.23 389.23 0.00 0.00 0.00 0.00 10:10:02 ens3 35.12 26.23 408.07 3.77 0.00 0.00 0.00 0.00 10:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 204.05 204.05 194.36 194.36 0.00 0.00 0.00 0.00 Average: ens3 25.55 18.84 286.03 3.21 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-37512) 03/25/26 _x86_64_ (4 CPU) 09:44:45 LINUX RESTART (4 CPU) 09:50:00 CPU %user %nice %system %iowait %steal %idle 10:00:02 all 48.20 0.00 0.87 0.80 0.09 50.04 10:00:02 0 47.16 0.00 0.83 1.28 0.09 50.64 10:00:02 1 43.68 0.00 0.87 0.78 0.09 54.59 10:00:02 2 64.29 0.00 1.01 1.00 0.10 33.60 10:00:02 3 37.70 0.00 0.77 0.14 0.08 61.31 10:10:02 all 59.22 0.00 1.17 0.13 0.10 39.38 10:10:02 0 47.28 0.00 1.12 0.13 0.10 51.37 10:10:02 1 50.61 0.00 1.22 0.10 0.10 47.98 10:10:02 2 73.96 0.00 1.15 0.07 0.11 24.70 10:10:02 3 65.06 0.00 1.20 0.21 0.11 33.43 Average: all 53.69 0.00 1.02 0.47 0.10 44.73 Average: 0 47.22 0.00 0.97 0.71 0.09 51.01 Average: 1 47.14 0.00 1.04 0.44 0.09 51.28 Average: 2 69.11 0.00 1.08 0.54 0.11 29.16 Average: 3 51.32 0.00 0.99 0.18 0.09 47.43