---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-491610 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 703 8810 4 6474 14943 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:10:79:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83910sec preferred_lft 83910sec inet6 fe80::f816:3eff:fe10:7925/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:ff:67:48:4b:e6 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-491610) 03/16/26 _x86_64_ (4 CPU) 10:51:31 LINUX RESTART (4 CPU) 11:00:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:02 80.61 5.31 59.17 16.12 298.81 5971.63 257436.47 11:20:01 24.01 0.01 21.32 2.68 0.17 2193.74 12608.20 11:30:12 20.31 0.04 18.51 1.77 0.88 3632.59 41314.13 Average: 41.10 1.74 32.63 6.73 97.23 3909.46 101775.32 11:00:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:02 10242112 13587024 2373368 14.50 131624 3352212 2509552 14.40 628632 5135752 21868 11:20:01 9104084 12970808 2985992 18.24 148384 3817220 3096556 17.77 757128 6102544 125356 11:30:12 5811180 10421088 5532744 33.79 158336 4522664 5315156 30.51 994364 9082640 29740 Average: 8385792 12326307 3630701 22.17 146115 3897365 3640421 20.90 793375 6773645 58988 11:00:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:02 lo 1208.75 1208.75 1145.70 1145.70 0.00 0.00 0.00 0.00 11:10:02 ens3 142.45 105.79 1249.66 19.74 0.00 0.00 0.00 0.00 11:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 1341.52 1341.52 1278.26 1278.26 0.00 0.00 0.00 0.00 11:20:01 ens3 31.17 24.64 39.52 7.22 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:12 lo 813.85 813.85 7316.45 7316.45 0.00 0.00 0.00 0.00 11:30:12 ens3 13.31 11.04 12.33 3.73 0.00 0.00 0.00 0.00 11:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1118.43 1118.43 3295.55 3295.55 0.00 0.00 0.00 0.00 Average: ens3 61.15 46.31 422.57 10.09 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-491610) 03/16/26 _x86_64_ (4 CPU) 10:51:31 LINUX RESTART (4 CPU) 11:00:22 CPU %user %nice %system %iowait %steal %idle 11:10:02 all 50.93 0.00 2.13 0.40 0.09 46.46 11:10:02 0 50.47 0.00 2.23 0.29 0.09 46.93 11:10:02 1 50.76 0.00 2.26 0.52 0.09 46.37 11:10:02 2 50.92 0.00 1.88 0.53 0.09 46.59 11:10:02 3 51.58 0.00 2.15 0.25 0.08 45.94 11:20:01 all 65.99 0.00 2.28 0.05 0.10 31.57 11:20:01 0 65.19 0.00 1.99 0.04 0.10 32.68 11:20:01 1 66.29 0.00 2.88 0.04 0.10 30.68 11:20:01 2 66.41 0.00 2.19 0.07 0.10 31.23 11:20:01 3 66.08 0.00 2.07 0.04 0.10 31.71 11:30:12 all 47.11 0.00 1.57 0.07 0.10 51.16 11:30:12 0 48.65 0.00 1.61 0.05 0.10 49.59 11:30:12 1 47.09 0.00 1.83 0.07 0.10 50.92 11:30:12 2 46.26 0.00 1.49 0.08 0.10 52.07 11:30:12 3 46.42 0.00 1.34 0.07 0.09 52.08 Average: all 54.66 0.00 1.99 0.17 0.10 43.09 Average: 0 54.77 0.00 1.94 0.12 0.10 43.07 Average: 1 54.69 0.00 2.32 0.21 0.10 42.68 Average: 2 54.52 0.00 1.85 0.22 0.10 43.32 Average: 3 54.67 0.00 1.84 0.12 0.09 43.28