---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14 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 9.3G 69G 12% / 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 603 11642 4 3743 15043 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:a6:14:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82678sec preferred_lft 82678sec inet6 fe80::f816:3eff:fea6:14ba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:01:be:d2:82:2f 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-14) 03/17/26 _x86_64_ (4 CPU) 13:00:13 LINUX RESTART (4 CPU) 13:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:04 2.45 0.01 2.44 0.01 0.19 769.58 78.89 13:30:03 1.83 0.00 1.83 0.00 0.00 22.17 0.00 13:40:48 1.46 0.00 1.46 0.00 0.00 17.27 0.00 13:50:32 1.47 0.00 1.47 0.00 0.00 17.27 0.01 14:00:27 14.87 0.01 1.52 13.34 0.16 17.63 240071.80 Average: 4.37 0.00 1.74 2.63 0.07 167.66 47270.75 13:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:04 10282052 13742948 2216652 13.54 118764 3482004 2550388 14.64 741124 4968176 316 13:30:03 10280556 13742396 2217172 13.54 119512 3482144 2558900 14.69 741876 4968352 200 13:40:48 10280052 13742388 2217208 13.54 119992 3482148 2559204 14.69 742356 4970784 20 13:50:32 10279044 13741972 2217612 13.54 120460 3482280 2559224 14.69 742800 4972000 172 14:00:27 10274508 13742956 2216656 13.54 121128 3487084 2559416 14.69 748140 4974444 236 Average: 10279242 13742532 2217060 13.54 119971 3483132 2557426 14.68 743259 4970751 189 13:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:20:04 ens3 1.74 0.20 0.30 0.12 0.00 0.00 0.00 0.00 13:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:30:03 ens3 0.62 0.13 0.12 0.06 0.00 0.00 0.00 0.00 13:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:48 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 13:40:48 ens3 1.79 0.35 0.49 0.27 0.00 0.00 0.00 0.00 13:40:48 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:32 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:50:32 ens3 3.05 0.34 0.68 0.31 0.00 0.00 0.00 0.00 13:50:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:27 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 14:00:27 ens3 2.82 0.77 0.60 1.82 0.00 0.00 0.00 0.00 14:00:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 1.99 0.36 0.44 0.51 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-14) 03/17/26 _x86_64_ (4 CPU) 13:00:13 LINUX RESTART (4 CPU) 13:10:03 CPU %user %nice %system %iowait %steal %idle 13:20:04 all 0.24 0.00 0.07 0.13 0.03 99.53 13:20:04 0 0.13 0.00 0.05 0.07 0.02 99.74 13:20:04 1 0.22 0.00 0.10 0.03 0.05 99.61 13:20:04 2 0.20 0.00 0.07 0.36 0.03 99.35 13:20:04 3 0.41 0.00 0.07 0.07 0.03 99.42 13:30:03 all 0.25 0.00 0.06 0.04 0.03 99.62 13:30:03 0 0.08 0.00 0.04 0.01 0.02 99.85 13:30:03 1 0.13 0.00 0.08 0.02 0.05 99.73 13:30:03 2 0.11 0.00 0.08 0.11 0.04 99.66 13:30:03 3 0.70 0.00 0.04 0.01 0.03 99.22 13:40:48 all 0.18 0.00 0.06 0.05 0.03 99.68 13:40:48 0 0.05 0.00 0.03 0.00 0.02 99.89 13:40:48 1 0.06 0.00 0.05 0.11 0.03 99.75 13:40:48 2 0.13 0.00 0.10 0.04 0.05 99.68 13:40:48 3 0.47 0.00 0.07 0.05 0.03 99.39 13:50:32 all 0.19 0.00 0.06 0.14 0.04 99.57 13:50:32 0 0.11 0.00 0.06 0.05 0.02 99.76 13:50:32 1 0.35 0.00 0.07 0.40 0.04 99.13 13:50:32 2 0.09 0.00 0.07 0.10 0.03 99.71 13:50:32 3 0.21 0.00 0.06 0.01 0.04 99.67 14:00:27 all 0.26 0.00 0.07 0.30 0.03 99.33 14:00:27 0 0.07 0.00 0.03 0.10 0.02 99.78 14:00:27 1 0.09 0.00 0.08 0.36 0.03 99.44 14:00:27 2 0.25 0.00 0.10 0.54 0.04 99.08 14:00:27 3 0.63 0.00 0.07 0.22 0.04 99.04 Average: all 0.22 0.00 0.06 0.13 0.03 99.55 Average: 0 0.09 0.00 0.04 0.04 0.02 99.81 Average: 1 0.17 0.00 0.07 0.18 0.04 99.54 Average: 2 0.16 0.00 0.08 0.23 0.04 99.50 Average: 3 0.49 0.00 0.06 0.07 0.03 99.35