---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-474870 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 725 9540 4 5722 14921 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:41:a7:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83670sec preferred_lft 83670sec inet6 fe80::f816:3eff:fe41:a7e5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:8a:19:8e:ac:fb 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-474870) 03/14/26 _x86_64_ (4 CPU) 20:24:51 LINUX RESTART (4 CPU) 20:30:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:01 11.28 2.29 8.35 0.64 137.00 2516.57 516.95 20:50:07 42.19 0.43 34.65 7.12 13.11 4548.56 10245.07 21:00:19 59.53 0.01 36.68 22.84 0.17 2969.02 235798.12 Average: 38.10 0.89 26.84 10.37 48.72 3355.17 83805.08 20:30:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:01 10795776 13877616 2084332 12.73 133828 3092092 2756728 15.82 526836 4694760 39204 20:50:07 9354276 13516620 2435108 14.87 197408 4014228 2700676 15.50 784172 5758572 18020 21:00:19 8650096 13337880 2609112 15.94 234308 4452208 2807748 16.12 915112 6268044 42320 Average: 9600049 13577372 2376184 14.51 188515 3852843 2755051 15.81 742040 5573792 33181 20:30:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:01 lo 0.89 0.89 0.09 0.09 0.00 0.00 0.00 0.00 20:40:01 ens3 84.40 67.82 561.52 16.92 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:07 lo 3204.30 3204.30 3056.30 3056.30 0.00 0.00 0.00 0.00 20:50:07 ens3 90.47 65.40 318.23 20.85 0.00 0.00 0.00 0.00 20:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:19 lo 4591.61 4591.61 4377.16 4377.16 0.00 0.00 0.00 0.00 21:00:19 ens3 71.58 53.48 22.47 19.71 0.00 0.00 0.00 0.00 21:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2641.49 2641.49 2518.43 2518.43 0.00 0.00 0.00 0.00 Average: ens3 82.08 62.13 296.23 19.19 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-474870) 03/14/26 _x86_64_ (4 CPU) 20:24:51 LINUX RESTART (4 CPU) 20:30:19 CPU %user %nice %system %iowait %steal %idle 20:40:01 all 42.55 0.00 1.47 0.07 0.07 55.83 20:40:01 0 43.38 0.00 1.33 0.08 0.07 55.15 20:40:01 1 42.38 0.00 1.66 0.08 0.07 55.82 20:40:01 2 41.44 0.00 1.38 0.04 0.08 57.07 20:40:01 3 43.02 0.00 1.51 0.10 0.08 55.29 20:50:07 all 62.48 0.00 3.44 0.11 0.11 33.85 20:50:07 0 62.81 0.00 3.81 0.11 0.11 33.16 20:50:07 1 62.14 0.00 3.33 0.17 0.11 34.26 20:50:07 2 62.56 0.00 3.30 0.11 0.10 33.93 20:50:07 3 62.43 0.00 3.32 0.07 0.11 34.07 21:00:19 all 63.12 0.00 3.98 0.19 0.12 32.60 21:00:19 0 61.86 0.00 4.10 0.14 0.12 33.77 21:00:19 1 63.19 0.00 4.49 0.28 0.12 31.92 21:00:19 2 62.75 0.00 3.60 0.22 0.12 33.32 21:00:19 3 64.69 0.00 3.71 0.10 0.12 31.38 Average: all 56.25 0.00 2.98 0.12 0.10 40.54 Average: 0 56.20 0.00 3.10 0.11 0.10 40.48 Average: 1 56.10 0.00 3.18 0.18 0.10 40.44 Average: 2 55.78 0.00 2.78 0.13 0.10 41.21 Average: 3 56.91 0.00 2.87 0.09 0.10 40.03