---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-700 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 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 652 8817 4 6519 14994 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:ce:84:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.0/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84452sec preferred_lft 84452sec inet6 fe80::f816:3eff:fece:8465/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:63:76:89:17:41 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-700) 04/07/26 _x86_64_ (4 CPU) 09:09:24 LINUX RESTART (4 CPU) 09:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:32 60.13 4.62 52.40 3.11 265.13 5968.98 3744.83 09:30:14 26.65 0.02 23.86 2.78 0.66 2330.56 6539.44 09:40:00 13.36 0.04 12.19 1.13 0.75 3552.72 6098.43 Average: 33.94 1.62 29.96 2.35 92.62 3995.10 5423.77 09:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:32 8973744 12573552 3385300 20.68 133448 3591788 3494724 20.06 673588 6345988 211600 09:30:14 9125256 12946240 3009516 18.38 153640 3767272 3065744 17.60 766820 6044736 32096 09:40:00 7075732 12899328 3050204 18.63 168608 5686828 3109956 17.85 1448452 7344840 1181872 Average: 8391577 12806373 3148340 19.23 151899 4348629 3223475 18.50 962953 6578521 475189 09:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:32 lo 1465.06 1465.06 1390.71 1390.71 0.00 0.00 0.00 0.00 09:20:32 ens3 116.71 92.71 1151.36 16.98 0.00 0.00 0.00 0.00 09:20:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:14 lo 1163.04 1163.04 1107.98 1107.98 0.00 0.00 0.00 0.00 09:30:14 ens3 26.27 22.23 43.25 6.81 0.00 0.00 0.00 0.00 09:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:00 lo 2894.96 2894.96 9889.33 9889.33 0.00 0.00 0.00 0.00 09:40:00 ens3 24.72 19.45 89.93 11.51 0.00 0.00 0.00 0.00 09:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1834.65 1834.65 4079.23 4079.23 0.00 0.00 0.00 0.00 Average: ens3 57.20 45.82 443.69 11.88 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-700) 04/07/26 _x86_64_ (4 CPU) 09:09:24 LINUX RESTART (4 CPU) 09:10:10 CPU %user %nice %system %iowait %steal %idle 09:20:32 all 59.02 0.00 2.50 0.28 0.09 38.11 09:20:32 0 58.57 0.00 2.06 0.12 0.09 39.16 09:20:32 1 61.28 0.00 3.23 0.48 0.09 34.91 09:20:32 2 57.85 0.00 2.52 0.24 0.09 39.29 09:20:32 3 58.38 0.00 2.19 0.27 0.09 39.07 09:30:14 all 66.18 0.00 2.30 0.06 0.10 31.37 09:30:14 0 65.58 0.00 2.07 0.06 0.09 32.19 09:30:14 1 66.72 0.00 2.26 0.05 0.10 30.88 09:30:14 2 67.22 0.00 2.82 0.06 0.10 29.81 09:30:14 3 65.18 0.00 2.05 0.06 0.09 32.62 09:40:00 all 44.96 0.00 1.72 0.06 0.09 53.17 09:40:00 0 43.76 0.00 1.80 0.08 0.09 54.27 09:40:00 1 40.65 0.00 1.53 0.06 0.09 57.66 09:40:00 2 49.59 0.00 1.51 0.05 0.09 48.76 09:40:00 3 45.83 0.00 2.05 0.04 0.09 51.99 Average: all 56.74 0.00 2.18 0.13 0.09 40.85 Average: 0 56.00 0.00 1.98 0.09 0.09 41.84 Average: 1 56.29 0.00 2.36 0.20 0.09 41.05 Average: 2 58.19 0.00 2.29 0.12 0.09 39.31 Average: 3 56.48 0.00 2.10 0.13 0.09 41.20