---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-491157 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 13G 66G 16% / 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 668 8736 4 6583 14978 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:df:3b:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83262sec preferred_lft 83262sec inet6 fe80::f816:3eff:fedf:3b5a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:ba:94:89:a5:15 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-491157) 03/16/26 _x86_64_ (4 CPU) 10:07:38 LINUX RESTART (4 CPU) 10:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:00 14.33 0.05 1.54 12.74 2.40 19.84 243127.01 10:30:00 1.24 0.01 1.23 0.00 0.04 14.81 0.00 10:40:00 69.72 5.12 61.53 3.07 288.73 6031.01 6458.35 10:50:00 28.85 0.01 26.03 2.81 0.19 2402.45 13549.83 Average: 28.53 1.30 22.58 4.66 72.84 2117.03 65783.80 10:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:00 13789492 15532416 486440 2.97 54492 1915296 1128104 6.48 198384 2141512 16 10:30:00 13788988 15532324 486552 2.97 54872 1915312 1128184 6.48 198784 2143380 24 10:40:00 9890788 13357648 2602276 15.89 131256 3468824 2908272 16.69 650044 5465688 99592 10:50:00 8509996 12539068 3416672 20.87 152628 3968728 3406236 19.55 792536 6653256 228560 Average: 11494816 14240364 1747985 10.68 98312 2817040 2142699 12.30 459937 4100959 82048 10:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:00 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 10:20:00 ens3 0.57 0.15 0.11 0.04 0.00 0.00 0.00 0.00 10:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:30:00 ens3 0.61 0.12 0.10 0.05 0.00 0.00 0.00 0.00 10:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:00 lo 1392.40 1392.40 1320.80 1320.80 0.00 0.00 0.00 0.00 10:40:00 ens3 133.35 102.85 1219.18 19.39 0.00 0.00 0.00 0.00 10:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:00 lo 1295.40 1295.40 1234.18 1234.18 0.00 0.00 0.00 0.00 10:50:00 ens3 24.03 21.09 42.12 6.54 0.00 0.00 0.00 0.00 10:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 672.00 672.00 638.75 638.75 0.00 0.00 0.00 0.00 Average: ens3 39.64 31.05 315.38 6.51 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-491157) 03/16/26 _x86_64_ (4 CPU) 10:07:38 LINUX RESTART (4 CPU) 10:10:00 CPU %user %nice %system %iowait %steal %idle 10:20:00 all 0.17 0.00 0.03 0.03 0.01 99.76 10:20:00 0 0.05 0.00 0.05 0.08 0.01 99.81 10:20:00 1 0.03 0.00 0.03 0.01 0.01 99.92 10:20:00 2 0.58 0.00 0.03 0.00 0.01 99.37 10:20:00 3 0.03 0.00 0.03 0.01 0.02 99.92 10:30:00 all 0.19 0.00 0.03 0.01 0.01 99.76 10:30:00 0 0.02 0.00 0.02 0.02 0.01 99.93 10:30:00 1 0.03 0.00 0.02 0.00 0.01 99.94 10:30:00 2 0.67 0.00 0.04 0.00 0.01 99.27 10:30:00 3 0.03 0.00 0.03 0.00 0.02 99.92 10:40:00 all 58.79 0.00 2.44 0.29 0.08 38.39 10:40:00 0 57.93 0.00 2.49 0.49 0.08 39.02 10:40:00 1 59.08 0.00 2.29 0.10 0.07 38.45 10:40:00 2 59.27 0.00 2.67 0.17 0.08 37.80 10:40:00 3 58.90 0.00 2.32 0.41 0.08 38.30 10:50:00 all 66.93 0.00 2.36 0.07 0.08 30.56 10:50:00 0 66.82 0.00 2.36 0.09 0.08 30.65 10:50:00 1 66.25 0.00 2.65 0.06 0.08 30.95 10:50:00 2 67.70 0.00 2.22 0.06 0.08 29.93 10:50:00 3 66.94 0.00 2.20 0.06 0.08 30.72 Average: all 31.46 0.00 1.21 0.10 0.05 67.18 Average: 0 31.18 0.00 1.23 0.17 0.05 67.38 Average: 1 31.29 0.00 1.25 0.04 0.04 67.38 Average: 2 31.95 0.00 1.24 0.06 0.05 66.71 Average: 3 31.43 0.00 1.14 0.12 0.05 67.26