---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66264 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 640 8775 4 6574 15006 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:e5:e1:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83842sec preferred_lft 83842sec inet6 fe80::f816:3eff:fee5:e159/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:43:69:4e:94:2a 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-66264) 04/03/26 _x86_64_ (4 CPU) 19:01:26 LINUX RESTART (4 CPU) 19:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:08 29.16 1.02 24.90 3.24 41.75 3496.40 6643.70 19:30:01 31.82 0.01 28.53 3.28 0.12 2471.65 33038.61 19:40:08 13.10 0.32 11.49 1.29 11.94 8626.37 4552.71 Average: 24.63 0.45 21.58 2.60 18.07 4884.01 14605.64 19:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:08 9672916 13227668 2730208 16.67 143448 3529172 2757652 15.83 694912 5602240 32064 19:30:01 8956892 12924588 3030524 18.51 167212 3888612 3087856 17.72 816024 6175004 30272 19:40:08 9005732 15377284 570216 3.48 184932 6196900 1106896 6.35 1641772 5197368 72 Average: 9211847 13843180 2110316 12.89 165197 4538228 2317468 13.30 1050903 5658204 20803 19:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:08 lo 1515.92 1515.92 1438.69 1438.69 0.00 0.00 0.00 0.00 19:20:08 ens3 91.95 66.75 439.62 16.58 0.00 0.00 0.00 0.00 19:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1410.32 1410.32 1343.89 1343.89 0.00 0.00 0.00 0.00 19:30:01 ens3 36.86 30.07 44.98 10.25 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:08 lo 2413.92 2413.92 9177.93 9177.93 0.00 0.00 0.00 0.00 19:40:08 ens3 49.88 48.95 162.51 363.05 0.00 0.00 0.00 0.00 19:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1783.04 1783.04 4008.45 4008.45 0.00 0.00 0.00 0.00 Average: ens3 59.73 48.73 216.94 130.94 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-66264) 04/03/26 _x86_64_ (4 CPU) 19:01:26 LINUX RESTART (4 CPU) 19:10:01 CPU %user %nice %system %iowait %steal %idle 19:20:08 all 69.32 0.00 2.56 0.07 0.10 27.96 19:20:08 0 69.34 0.00 2.40 0.07 0.10 28.10 19:20:08 1 69.05 0.00 2.39 0.12 0.10 28.34 19:20:08 2 70.03 0.00 2.61 0.05 0.10 27.22 19:20:08 3 68.84 0.00 2.84 0.05 0.09 28.17 19:30:01 all 60.64 0.00 2.45 0.08 0.09 36.74 19:30:01 0 59.57 0.00 2.53 0.08 0.09 37.73 19:30:01 1 60.92 0.00 2.50 0.07 0.09 36.41 19:30:01 2 59.63 0.00 2.53 0.13 0.09 37.62 19:30:01 3 62.44 0.00 2.25 0.03 0.09 35.18 19:40:08 all 36.22 0.00 1.36 0.17 0.07 62.17 19:40:08 0 35.39 0.00 1.32 0.10 0.07 63.11 19:40:08 1 36.66 0.00 1.51 0.19 0.07 61.56 19:40:08 2 35.34 0.00 1.32 0.31 0.07 62.96 19:40:08 3 37.50 0.00 1.31 0.07 0.07 61.05 Average: all 55.32 0.00 2.12 0.11 0.09 42.36 Average: 0 54.70 0.00 2.08 0.08 0.09 43.06 Average: 1 55.47 0.00 2.13 0.13 0.09 42.19 Average: 2 54.94 0.00 2.15 0.16 0.09 42.66 Average: 3 56.19 0.00 2.13 0.05 0.08 41.54