---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-444017 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 665 10537 4 4786 14981 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:0c:a7:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.113/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84677sec preferred_lft 84677sec inet6 fe80::f816:3eff:fe0c:a734/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:ba:b0:3c:5d:95 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-444017) 03/11/26 _x86_64_ (4 CPU) 15:37:19 LINUX RESTART (4 CPU) 15:40:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:01 29.21 2.02 12.94 14.25 129.49 2892.08 245909.89 16:00:01 31.68 0.81 27.22 3.65 28.36 3572.27 8969.87 Average: 30.45 1.41 20.12 8.91 78.60 3234.31 126694.78 15:40:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:01 10930568 14110780 1849424 11.30 130180 3185300 2139116 12.28 552816 4521212 24984 16:00:01 8822800 13242452 2708284 16.54 169680 4292728 3470344 19.92 879576 6190676 309576 Average: 9876684 13676616 2278854 13.92 149930 3739014 2804730 16.10 716196 5355944 167280 15:40:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:01 lo 1.00 1.00 0.11 0.11 0.00 0.00 0.00 0.00 15:50:01 ens3 96.18 76.30 726.12 17.53 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 lo 1545.17 1545.17 1472.97 1472.97 0.00 0.00 0.00 0.00 16:00:01 ens3 98.14 70.74 454.00 19.29 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 777.94 777.94 741.17 741.17 0.00 0.00 0.00 0.00 Average: ens3 97.17 73.50 589.21 18.42 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-444017) 03/11/26 _x86_64_ (4 CPU) 15:37:19 LINUX RESTART (4 CPU) 15:40:09 CPU %user %nice %system %iowait %steal %idle 15:50:01 all 49.40 0.00 1.74 0.17 0.08 48.60 15:50:01 0 48.66 0.00 1.68 0.05 0.07 49.53 15:50:01 1 50.23 0.00 1.78 0.33 0.08 47.58 15:50:01 2 48.90 0.00 1.76 0.06 0.08 49.21 15:50:01 3 49.82 0.00 1.74 0.26 0.08 48.10 16:00:01 all 68.99 0.00 2.70 0.28 0.10 27.93 16:00:01 0 67.22 0.00 2.43 0.34 0.10 29.92 16:00:01 1 69.07 0.00 2.75 0.51 0.10 27.57 16:00:01 2 70.13 0.00 3.33 0.09 0.10 26.35 16:00:01 3 69.55 0.00 2.30 0.18 0.09 27.88 Average: all 59.26 0.00 2.22 0.23 0.09 38.20 Average: 0 58.01 0.00 2.06 0.19 0.08 39.66 Average: 1 59.71 0.00 2.27 0.42 0.09 37.51 Average: 2 59.58 0.00 2.55 0.07 0.09 37.71 Average: 3 59.75 0.00 2.02 0.22 0.09 37.92