---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-889 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 13G 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 637 8796 4 6554 15008 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:bf:68:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.4/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84066sec preferred_lft 84066sec inet6 fe80::f816:3eff:febf:68ce/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:83:b0:d1:43:9f 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-889) 04/07/26 _x86_64_ (4 CPU) 09:19:27 LINUX RESTART (4 CPU) 09:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:07 45.89 5.16 38.67 2.05 293.65 5256.29 5275.37 09:40:18 26.31 0.03 23.31 2.96 0.65 2328.70 6793.66 09:50:05 23.61 0.03 21.27 2.30 0.72 4045.42 7914.17 Average: 31.99 1.75 27.80 2.44 98.91 3869.76 6649.77 09:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:07 10569416 13806012 2155964 13.17 122072 3265256 2392320 13.73 579828 4878200 32828 09:40:18 8967832 12646648 3309864 20.22 152224 3635268 3305328 18.97 731168 6247552 16680 09:50:05 5695436 10312412 5640480 34.45 164456 4521260 5442012 31.24 1006572 9203084 456 Average: 8410895 12255024 3702103 22.61 146251 3807261 3713220 21.31 772523 6776279 16655 09:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:07 lo 753.04 753.04 717.15 717.15 0.00 0.00 0.00 0.00 09:30:07 ens3 120.56 90.85 1225.64 20.12 0.00 0.00 0.00 0.00 09:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:18 lo 1337.12 1337.12 1268.32 1268.32 0.00 0.00 0.00 0.00 09:40:18 ens3 35.01 27.43 25.12 16.87 0.00 0.00 0.00 0.00 09:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:05 lo 1024.65 1024.65 3227.71 3227.71 0.00 0.00 0.00 0.00 09:50:05 ens3 32.09 22.61 48.76 10.78 0.00 0.00 0.00 0.00 09:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1039.45 1039.45 1722.09 1722.09 0.00 0.00 0.00 0.00 Average: ens3 62.74 47.12 435.34 15.97 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-889) 04/07/26 _x86_64_ (4 CPU) 09:19:27 LINUX RESTART (4 CPU) 09:20:02 CPU %user %nice %system %iowait %steal %idle 09:30:07 all 33.93 0.00 1.62 0.53 0.10 63.82 09:30:07 0 34.33 0.00 1.75 1.14 0.11 62.67 09:30:07 1 34.42 0.00 1.66 0.26 0.08 63.59 09:30:07 2 34.11 0.00 1.57 0.59 0.07 63.66 09:30:07 3 32.86 0.00 1.50 0.13 0.15 65.36 09:40:18 all 65.88 0.00 2.37 0.10 0.13 31.52 09:40:18 0 67.00 0.00 2.21 0.08 0.13 30.58 09:40:18 1 67.73 0.00 2.61 0.13 0.13 29.40 09:40:18 2 64.97 0.00 2.35 0.12 0.12 32.44 09:40:18 3 63.80 0.00 2.33 0.08 0.13 33.68 09:50:05 all 52.11 0.00 2.06 0.65 0.12 45.05 09:50:05 0 57.54 0.00 1.93 0.37 0.13 40.02 09:50:05 1 48.38 0.00 1.84 0.26 0.11 49.42 09:50:05 2 51.48 0.00 2.19 0.13 0.12 46.08 09:50:05 3 51.05 0.00 2.30 1.84 0.12 44.69 Average: all 50.69 0.00 2.02 0.42 0.12 46.75 Average: 0 52.99 0.00 1.97 0.53 0.12 44.39 Average: 1 50.29 0.00 2.04 0.21 0.11 47.35 Average: 2 50.22 0.00 2.04 0.28 0.11 47.36 Average: 3 49.25 0.00 2.04 0.67 0.13 47.91