---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-81019 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: 5599.94 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 756 9553 4 5679 14890 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:4e:d3:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.224/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84002sec preferred_lft 84002sec inet6 fe80::f816:3eff:fe4e:d3e8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:96:d0:e2:c4:5c 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-81019) 03/05/26 _x86_64_ (4 CPU) 20:24:59 LINUX RESTART (4 CPU) 20:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:02 15.76 2.34 12.34 1.09 137.71 3824.29 8547.28 20:50:02 58.75 0.32 47.30 11.12 9.80 4217.55 8135.99 21:00:02 33.27 0.24 27.36 5.68 10.72 5029.86 3877.07 Average: 35.93 0.97 29.00 5.96 52.74 4357.21 6853.61 20:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:02 10191080 13662520 2295452 14.02 158672 3415108 2718592 15.60 627432 5154648 79908 20:50:02 8808476 13138076 2812628 17.18 204704 4159840 3114796 17.88 824532 6245808 102100 21:00:02 9934888 15382556 563188 3.44 240572 5179256 1104028 6.34 1215256 4658276 60 Average: 9644815 14061051 1890423 11.55 201316 4251401 2312472 13.27 889073 5352911 60689 20:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:02 lo 1.33 1.33 0.14 0.14 0.00 0.00 0.00 0.00 20:40:02 ens3 110.56 86.54 524.93 22.08 0.00 0.00 0.00 0.00 20:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:02 lo 5436.23 5436.23 5183.88 5183.88 0.00 0.00 0.00 0.00 20:50:02 ens3 121.82 84.96 306.80 23.74 0.00 0.00 0.00 0.00 20:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:02 lo 2666.78 2666.78 2534.59 2534.59 0.00 0.00 0.00 0.00 21:00:02 ens3 105.34 88.26 109.77 113.90 0.00 0.00 0.00 0.00 21:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2701.58 2701.58 2573.00 2573.00 0.00 0.00 0.00 0.00 Average: ens3 112.57 86.59 313.84 53.24 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-81019) 03/05/26 _x86_64_ (4 CPU) 20:24:59 LINUX RESTART (4 CPU) 20:30:02 CPU %user %nice %system %iowait %steal %idle 20:40:02 all 67.29 0.00 2.35 0.08 0.08 30.20 20:40:02 0 68.39 0.00 2.26 0.04 0.09 29.22 20:40:02 1 65.98 0.00 1.89 0.03 0.08 32.02 20:40:02 2 67.83 0.00 2.61 0.13 0.08 29.35 20:40:02 3 66.96 0.00 2.65 0.10 0.09 30.20 20:50:02 all 60.84 0.00 4.13 0.32 0.08 34.63 20:50:02 0 60.35 0.00 3.97 0.20 0.09 35.39 20:50:02 1 61.72 0.00 4.20 0.18 0.08 33.82 20:50:02 2 60.35 0.00 3.90 0.45 0.08 35.21 20:50:02 3 60.95 0.00 4.43 0.43 0.08 34.12 21:00:02 all 49.36 0.00 2.76 0.46 0.08 47.34 21:00:02 0 49.24 0.00 3.20 0.50 0.08 46.98 21:00:02 1 50.79 0.00 2.64 0.34 0.08 46.16 21:00:02 2 47.18 0.00 2.69 0.26 0.08 49.79 21:00:02 3 50.24 0.00 2.52 0.73 0.08 46.42 Average: all 59.17 0.00 3.08 0.28 0.08 37.39 Average: 0 59.33 0.00 3.14 0.25 0.08 37.20 Average: 1 59.50 0.00 2.91 0.18 0.08 37.33 Average: 2 58.46 0.00 3.07 0.28 0.08 38.12 Average: 3 59.38 0.00 3.20 0.42 0.08 36.92