---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10511 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 67G 15% / 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 718 9245 4 6025 14928 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:d5:8c:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83957sec preferred_lft 83957sec inet6 fe80::f816:3eff:fed5:8c69/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:db:aa:75:5d:d4 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-10511) 02/14/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:08 29.82 2.30 13.14 14.38 136.23 4078.25 242191.10 20:50:04 61.50 0.32 50.02 11.17 10.59 4064.52 20489.07 21:00:09 32.82 0.14 27.55 5.13 6.49 4935.73 9259.91 Average: 41.32 0.92 30.19 10.21 51.06 4361.77 90563.69 20:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:08 8684464 12662228 3292684 20.11 172860 3884488 3600960 20.67 866208 6390524 146284 20:50:04 8558652 13167472 2781624 16.99 207528 4431532 2952140 16.95 1030356 6290896 23120 21:00:09 9590816 15393140 551516 3.37 241452 5525940 1122048 6.44 1420396 4793336 68 Average: 8944644 13740947 2208608 13.49 207280 4613987 2558383 14.69 1105653 5824919 56491 20:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:08 lo 1.38 1.38 0.15 0.15 0.00 0.00 0.00 0.00 20:40:08 ens3 109.48 85.50 575.87 21.85 0.00 0.00 0.00 0.00 20:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:04 lo 5590.54 5590.54 5328.79 5328.79 0.00 0.00 0.00 0.00 20:50:04 ens3 99.61 71.62 249.79 21.91 0.00 0.00 0.00 0.00 20:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:09 lo 2353.23 2353.23 2234.34 2234.34 0.00 0.00 0.00 0.00 21:00:09 ens3 93.73 82.29 108.30 119.79 0.00 0.00 0.00 0.00 21:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2641.30 2641.30 2514.32 2514.32 0.00 0.00 0.00 0.00 Average: ens3 100.92 79.83 310.87 54.77 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-10511) 02/14/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:08 CPU %user %nice %system %iowait %steal %idle 20:40:08 all 70.15 0.00 2.39 0.12 0.10 27.25 20:40:08 0 69.12 0.00 2.62 0.14 0.10 28.03 20:40:08 1 72.59 0.00 2.48 0.07 0.10 24.76 20:40:08 2 67.42 0.00 2.37 0.15 0.10 29.96 20:40:08 3 71.46 0.00 2.08 0.11 0.10 26.25 20:50:04 all 61.22 0.00 4.14 0.22 0.09 34.32 20:50:04 0 60.89 0.00 4.00 0.19 0.10 34.82 20:50:04 1 61.49 0.00 4.15 0.12 0.09 34.15 20:50:04 2 61.33 0.00 4.11 0.27 0.10 34.19 20:50:04 3 61.18 0.00 4.29 0.31 0.09 34.13 21:00:09 all 47.37 0.00 2.62 0.21 0.08 49.73 21:00:09 0 46.78 0.00 2.34 0.10 0.08 50.71 21:00:09 1 47.84 0.00 2.89 0.14 0.09 49.05 21:00:09 2 50.69 0.00 2.75 0.17 0.08 46.30 21:00:09 3 44.15 0.00 2.50 0.41 0.08 52.85 Average: all 59.54 0.00 3.04 0.18 0.09 37.14 Average: 0 58.88 0.00 2.98 0.14 0.09 37.90 Average: 1 60.60 0.00 3.17 0.11 0.09 36.02 Average: 2 59.78 0.00 3.07 0.20 0.09 36.86 Average: 3 58.89 0.00 2.95 0.28 0.09 37.79