---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65025 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: 5600.00 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 662 8857 4 6469 14984 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:e9:01:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.203/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84090sec preferred_lft 84090sec inet6 fe80::f816:3eff:fee9:1b7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:10:23:90:da:a2 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-65025) 04/01/26 _x86_64_ (4 CPU) 05:23:26 LINUX RESTART (4 CPU) 05:30:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 23.29 0.07 20.45 2.77 6.68 2303.85 5928.71 05:50:17 31.90 0.03 28.68 3.19 0.44 4361.98 12789.70 06:00:18 10.03 0.29 8.60 1.14 11.37 5532.25 2084.14 Average: 21.81 0.13 19.31 2.37 6.11 4084.44 6991.74 05:30:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 8902592 12611992 3345396 20.43 143812 3679876 3549936 20.38 761684 6316836 17504 05:50:17 8071108 12795956 3156356 19.28 162532 4629456 3232604 18.56 1038008 6814348 5296 06:00:18 9095900 15360524 586992 3.59 179388 6102728 1129296 6.48 1619236 5133892 32 Average: 8689867 13589491 2362915 14.43 161911 4804020 2637279 15.14 1139643 6088359 7611 05:30:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1441.41 1441.41 1367.56 1367.56 0.00 0.00 0.00 0.00 05:40:01 ens3 45.73 38.04 54.56 13.46 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:17 lo 1413.11 1413.11 1342.97 1342.97 0.00 0.00 0.00 0.00 05:50:17 ens3 36.21 30.15 38.09 11.63 0.00 0.00 0.00 0.00 05:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:18 lo 243.76 243.76 6828.25 6828.25 0.00 0.00 0.00 0.00 06:00:18 ens3 72.06 81.84 109.01 954.36 0.00 0.00 0.00 0.00 06:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1032.20 1032.20 3180.82 3180.82 0.00 0.00 0.00 0.00 Average: ens3 51.26 49.95 67.10 326.72 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-65025) 04/01/26 _x86_64_ (4 CPU) 05:23:26 LINUX RESTART (4 CPU) 05:30:16 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 69.91 0.00 2.34 0.05 0.08 27.61 05:40:01 0 69.17 0.00 2.54 0.04 0.08 28.17 05:40:01 1 68.46 0.00 2.47 0.08 0.09 28.90 05:40:01 2 71.42 0.00 2.06 0.05 0.08 26.39 05:40:01 3 70.60 0.00 2.29 0.03 0.08 26.99 05:50:17 all 60.54 0.00 2.42 0.11 0.09 36.84 05:50:17 0 62.31 0.00 2.29 0.07 0.09 35.24 05:50:17 1 60.38 0.00 2.70 0.10 0.08 36.73 05:50:17 2 60.29 0.00 2.35 0.23 0.08 37.05 05:50:17 3 59.18 0.00 2.33 0.05 0.08 38.35 06:00:18 all 25.03 0.00 0.78 0.15 0.06 73.98 06:00:18 0 21.59 0.00 0.79 0.04 0.06 77.52 06:00:18 1 26.02 0.00 1.05 0.13 0.06 72.75 06:00:18 2 24.26 0.00 0.72 0.29 0.05 74.68 06:00:18 3 28.27 0.00 0.56 0.14 0.06 70.96 Average: all 51.71 0.00 1.85 0.11 0.08 46.26 Average: 0 50.92 0.00 1.87 0.05 0.08 47.08 Average: 1 51.51 0.00 2.08 0.10 0.08 46.23 Average: 2 51.85 0.00 1.71 0.19 0.07 46.18 Average: 3 52.56 0.00 1.73 0.08 0.08 45.56