---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-53175 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 17G 61G 22% / 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 2300 11148 3 2539 13346 Swap: 1023 23 1000 ---> 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:cc:90:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83838sec preferred_lft 83838sec inet6 fe80::f816:3eff:fecc:9004/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:c7:10:2a:7a:6e 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 inet6 fe80::fcc7:10ff:fe2a:7a6e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-53175) 03/26/26 _x86_64_ (4 CPU) 13:34:56 LINUX RESTART (4 CPU) 13:40:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:50:02 59.29 5.15 51.14 3.00 163.35 6001.04 3990.17 14:00:16 44.24 20.76 22.21 1.27 257.20 1613.64 820.45 14:10:16 14.06 1.28 12.10 0.68 42.39 492.21 829.07 Average: 38.95 9.21 28.11 1.63 154.98 2646.07 1841.13 13:40:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:50:02 5618196 8752720 7179484 43.85 255432 2857016 8323640 47.78 2020428 8154120 3216 14:00:16 151132 2952836 12976784 79.26 265116 2574548 14186144 81.43 2103720 13576996 616 14:10:16 5288112 7331940 8609816 52.59 250472 1888072 10036288 57.61 1723108 8900348 104 Average: 3685813 6345832 9588695 58.56 257007 2439879 10848691 62.27 1949085 10210488 1312 13:40:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:50:02 lo 18.89 18.89 15.29 15.29 0.00 0.00 0.00 0.00 13:50:02 ens3 1.75 1.72 0.52 1.14 0.00 0.00 0.00 0.00 13:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:16 lo 37.08 37.08 16.66 16.66 0.00 0.00 0.00 0.00 14:00:16 ens3 1.62 1.38 0.40 0.58 0.00 0.00 0.00 0.00 14:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:16 lo 27.38 27.38 13.10 13.10 0.00 0.00 0.00 0.00 14:10:16 ens3 1.13 0.93 0.27 0.22 0.00 0.00 0.00 0.00 14:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 27.98 27.98 15.03 15.03 0.00 0.00 0.00 0.00 Average: ens3 1.50 1.34 0.40 0.64 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-16g-53175) 03/26/26 _x86_64_ (4 CPU) 13:34:56 LINUX RESTART (4 CPU) 13:40:28 CPU %user %nice %system %iowait %steal %idle 13:50:02 all 51.60 0.00 2.00 0.12 0.10 46.18 13:50:02 0 51.73 0.00 1.91 0.14 0.10 46.12 13:50:02 1 50.90 0.00 2.15 0.05 0.09 46.81 13:50:02 2 52.35 0.00 2.02 0.14 0.10 45.40 13:50:02 3 51.42 0.00 1.92 0.17 0.10 46.39 14:00:16 all 43.55 0.00 1.79 0.07 0.11 54.48 14:00:16 0 43.44 0.00 1.72 0.11 0.11 54.61 14:00:16 1 43.40 0.00 1.84 0.05 0.12 54.59 14:00:16 2 43.89 0.00 1.71 0.06 0.11 54.24 14:00:16 3 43.46 0.00 1.88 0.05 0.11 54.49 14:10:16 all 28.10 0.00 1.19 0.07 0.10 70.55 14:10:16 0 28.10 0.00 1.27 0.09 0.10 70.44 14:10:16 1 28.27 0.00 1.24 0.05 0.11 70.34 14:10:16 2 28.56 0.00 1.13 0.04 0.10 70.17 14:10:16 3 27.45 0.00 1.11 0.09 0.10 71.25 Average: all 40.97 0.00 1.66 0.09 0.10 57.18 Average: 0 40.98 0.00 1.63 0.11 0.10 57.17 Average: 1 40.76 0.00 1.74 0.05 0.11 57.34 Average: 2 41.48 0.00 1.61 0.08 0.10 56.72 Average: 3 40.67 0.00 1.64 0.10 0.10 57.48