---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15388 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 11G 68G 14% / 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 681 10512 4 4795 14965 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:7c:4f:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84423sec preferred_lft 84423sec inet6 fe80::f816:3eff:fe7c:4f57/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:75:b0:42:4e:93 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-15388) 03/23/26 _x86_64_ (4 CPU) 08:48:00 LINUX RESTART (4 CPU) 08:50:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:01 8.01 2.05 5.75 0.20 133.02 1588.72 10.70 09:10:31 11.20 0.48 9.69 1.03 17.79 2566.65 328.81 09:20:05 29.15 0.75 23.97 4.43 25.09 3832.08 4129.25 Average: 15.98 1.07 13.04 1.86 57.19 2661.74 1456.26 08:50:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:01 11190160 14054304 1910076 11.67 116160 2912296 2340384 13.43 474760 4379060 43228 09:10:31 9983532 13627068 2330036 14.23 152028 3580876 2579364 14.81 668576 5291344 23984 09:20:05 10819216 15371560 579084 3.54 176392 4407044 1110948 6.38 918236 4134844 10084 Average: 10664303 14350977 1606399 9.81 148193 3633405 2010232 11.54 687191 4601749 25765 08:50:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:01 lo 0.35 0.35 0.04 0.04 0.00 0.00 0.00 0.00 09:00:01 ens3 59.61 48.60 595.05 9.24 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:31 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 09:10:31 ens3 65.28 51.45 135.31 17.48 0.00 0.00 0.00 0.00 09:10:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:05 lo 1879.53 1879.53 1780.85 1780.85 0.00 0.00 0.00 0.00 09:20:05 ens3 124.20 112.37 432.85 211.67 0.00 0.00 0.00 0.00 09:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 608.77 608.77 576.29 576.29 0.00 0.00 0.00 0.00 Average: ens3 82.52 70.25 379.37 77.67 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-15388) 03/23/26 _x86_64_ (4 CPU) 08:48:00 LINUX RESTART (4 CPU) 08:50:31 CPU %user %nice %system %iowait %steal %idle 09:00:01 all 19.30 0.00 0.68 0.04 0.04 79.93 09:00:01 0 19.48 0.00 0.70 0.05 0.04 79.73 09:00:01 1 19.80 0.00 0.46 0.03 0.04 79.68 09:00:01 2 19.55 0.00 0.93 0.02 0.04 79.46 09:00:01 3 18.39 0.00 0.64 0.07 0.04 80.86 09:10:31 all 73.27 0.00 2.25 0.03 0.10 24.35 09:10:31 0 72.41 0.00 2.09 0.02 0.10 25.37 09:10:31 1 72.64 0.00 2.18 0.04 0.10 25.04 09:10:31 2 74.34 0.00 2.36 0.02 0.10 23.18 09:10:31 3 73.70 0.00 2.36 0.03 0.10 23.81 09:20:05 all 43.75 0.00 2.10 0.12 0.08 53.96 09:20:05 0 41.94 0.00 1.81 0.10 0.08 56.07 09:20:05 1 44.93 0.00 2.55 0.12 0.08 52.32 09:20:05 2 43.19 0.00 2.21 0.20 0.08 54.32 09:20:05 3 44.93 0.00 1.83 0.04 0.08 53.12 Average: all 46.35 0.00 1.70 0.06 0.07 51.82 Average: 0 45.51 0.00 1.55 0.06 0.07 52.81 Average: 1 46.66 0.00 1.75 0.06 0.07 51.46 Average: 2 46.64 0.00 1.85 0.08 0.07 51.35 Average: 3 46.59 0.00 1.64 0.05 0.07 51.65