---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-56171 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 9.8G 68G 13% / 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 622 11092 4 4275 15024 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:c2:03:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.110/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83302sec preferred_lft 83302sec inet6 fe80::f816:3eff:fec2:320/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:51:6f:4e:82:9b 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-56171) 03/05/26 _x86_64_ (4 CPU) 10:35:22 LINUX RESTART (4 CPU) 10:40:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:12 17.19 0.43 3.52 13.23 414.04 411.20 250135.33 11:00:23 1.41 0.00 1.41 0.00 0.04 16.39 0.00 11:10:23 36.63 2.17 33.87 0.59 127.01 2166.60 710.09 11:20:01 15.17 1.99 12.30 0.89 128.92 2876.74 2343.91 Average: 17.55 1.14 12.77 3.64 165.93 1351.50 62702.80 10:40:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:12 13571956 15534968 481148 2.94 58024 2130168 1132560 6.50 344696 2204056 4 11:00:23 13571720 15535372 480620 2.94 58524 2130312 1132560 6.50 345200 2204364 36 11:10:23 12990704 15516940 461200 2.82 100372 2618656 976848 5.61 482664 2584944 80 11:20:01 10717820 14109736 1850232 11.30 133328 3387992 2434536 13.97 700924 4569812 23940 Average: 12713050 15174254 818300 5.00 87562 2566782 1419126 8.15 468371 2890794 6015 10:40:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:12 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 10:50:12 ens3 12.78 9.15 130.66 0.63 0.00 0.00 0.00 0.00 10:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:23 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:00:23 ens3 0.20 0.09 0.04 0.02 0.00 0.00 0.00 0.00 11:00:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:23 lo 0.27 0.27 0.03 0.03 0.00 0.00 0.00 0.00 11:10:23 ens3 47.48 33.06 337.93 7.43 0.00 0.00 0.00 0.00 11:10:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 1.22 1.22 0.13 0.13 0.00 0.00 0.00 0.00 11:20:01 ens3 95.14 74.05 617.97 17.46 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 Average: lo 0.42 0.42 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 38.30 28.61 267.74 6.28 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-56171) 03/05/26 _x86_64_ (4 CPU) 10:35:22 LINUX RESTART (4 CPU) 10:40:23 CPU %user %nice %system %iowait %steal %idle 10:50:12 all 0.35 0.00 0.10 0.08 0.02 99.44 10:50:12 0 0.29 0.00 0.10 0.05 0.01 99.55 10:50:12 1 0.39 0.00 0.09 0.13 0.04 99.35 10:50:12 2 0.38 0.00 0.11 0.05 0.01 99.45 10:50:12 3 0.36 0.00 0.10 0.11 0.02 99.42 11:00:23 all 0.08 0.00 0.03 0.01 0.01 99.87 11:00:23 0 0.02 0.00 0.02 0.00 0.01 99.95 11:00:23 1 0.25 0.00 0.03 0.00 0.02 99.70 11:00:23 2 0.02 0.00 0.03 0.01 0.01 99.94 11:00:23 3 0.03 0.00 0.02 0.03 0.01 99.91 11:10:23 all 2.75 0.00 0.35 0.27 0.02 96.61 11:10:23 0 1.38 0.00 0.39 0.51 0.01 97.71 11:10:23 1 2.49 0.00 0.37 0.10 0.03 97.01 11:10:23 2 6.13 0.00 0.48 0.21 0.02 93.15 11:10:23 3 0.98 0.00 0.17 0.26 0.02 98.59 11:20:01 all 61.47 0.00 2.16 0.04 0.10 36.24 11:20:01 0 62.20 0.00 2.52 0.05 0.10 35.14 11:20:01 1 59.02 0.00 1.82 0.04 0.10 39.02 11:20:01 2 63.82 0.00 2.19 0.02 0.10 33.87 11:20:01 3 60.84 0.00 2.09 0.05 0.10 36.92 Average: all 15.70 0.00 0.64 0.10 0.04 83.52 Average: 0 15.50 0.00 0.74 0.15 0.03 83.58 Average: 1 15.12 0.00 0.57 0.07 0.04 84.20 Average: 2 17.11 0.00 0.69 0.07 0.03 82.09 Average: 3 15.09 0.00 0.58 0.11 0.04 84.19