---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-454618 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 10G 68G 13% / 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 684 10824 4 4480 14961 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:d7:3f:dc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84935sec preferred_lft 84935sec inet6 fe80::f816:3eff:fed7:3fdc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:73:1a:1a:87:01 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-454618) 03/12/26 _x86_64_ (4 CPU) 19:36:57 LINUX RESTART (4 CPU) 19:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:50:01 48.89 2.96 38.57 7.35 544.33 4813.17 30860.85 20:00:01 27.63 0.13 23.47 4.03 6.49 3324.30 12411.95 Average: 38.26 1.55 31.02 5.69 275.41 4068.73 21636.25 19:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:50:01 10244276 13761292 2197132 13.42 161776 3470860 2447056 14.05 719724 5022412 18988 20:00:01 11156548 15380376 572880 3.50 201688 4083288 1107616 6.36 918952 3816168 60 Average: 10700412 14570834 1385006 8.46 181732 3777074 1777336 10.20 819338 4419290 9524 19:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:50:01 lo 4078.91 4078.91 3890.03 3890.03 0.00 0.00 0.00 0.00 19:50:01 ens3 142.83 112.47 886.72 24.83 0.00 0.00 0.00 0.00 19:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:01 lo 2120.12 2120.12 2006.91 2006.91 0.00 0.00 0.00 0.00 20:00:01 ens3 118.14 109.43 145.45 163.55 0.00 0.00 0.00 0.00 20:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3099.50 3099.50 2948.45 2948.45 0.00 0.00 0.00 0.00 Average: ens3 130.49 110.95 516.08 94.19 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-454618) 03/12/26 _x86_64_ (4 CPU) 19:36:57 LINUX RESTART (4 CPU) 19:40:01 CPU %user %nice %system %iowait %steal %idle 19:50:01 all 63.18 0.00 3.70 0.11 0.09 32.92 19:50:01 0 62.91 0.00 3.55 0.07 0.09 33.38 19:50:01 1 63.28 0.00 3.68 0.08 0.09 32.87 19:50:01 2 62.93 0.00 3.62 0.12 0.09 33.24 19:50:01 3 63.62 0.00 3.96 0.16 0.09 32.18 20:00:01 all 39.96 0.00 2.15 0.10 0.07 57.72 20:00:01 0 36.53 0.00 2.13 0.09 0.07 61.17 20:00:01 1 36.27 0.00 1.92 0.08 0.07 61.66 20:00:01 2 46.24 0.00 2.42 0.03 0.07 51.25 20:00:01 3 40.82 0.00 2.14 0.18 0.07 56.79 Average: all 51.56 0.00 2.93 0.10 0.08 45.34 Average: 0 49.70 0.00 2.84 0.08 0.08 47.30 Average: 1 49.73 0.00 2.80 0.08 0.08 47.31 Average: 2 54.57 0.00 3.02 0.07 0.08 42.25 Average: 3 52.22 0.00 3.05 0.17 0.08 44.48