---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65085 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 12G 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 653 8817 4 6519 14993 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:28:8b:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.59/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84442sec preferred_lft 84442sec inet6 fe80::f816:3eff:fe28:8b29/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:35:e0:6b:28:8f 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-65085) 04/01/26 _x86_64_ (4 CPU) 11:29:57 LINUX RESTART (4 CPU) 11:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:32 67.93 11.55 53.10 3.28 1466.79 16005.59 6398.06 11:50:02 23.84 0.02 21.39 2.43 0.25 2191.97 9825.46 12:00:37 15.06 0.03 13.77 1.26 0.72 3448.97 5770.32 Average: 35.97 3.99 29.67 2.32 504.86 7378.01 7244.69 11:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:32 9803212 13211136 2747820 16.78 133652 3407956 2875184 16.50 654432 5527752 23728 11:50:02 8907500 12705232 3250996 19.86 151952 3746956 3235408 18.57 756032 6291492 20616 12:00:37 7635836 12796436 3154760 19.27 166740 5043892 3075852 17.66 1161868 7071244 536256 Average: 8782183 12904268 3051192 18.64 150781 4066268 3062148 17.58 857444 6296829 193533 11:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:32 lo 1385.13 1385.13 1314.32 1314.32 0.00 0.00 0.00 0.00 11:40:32 ens3 159.44 118.24 1218.57 21.60 0.00 0.00 0.00 0.00 11:40:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:02 lo 1166.30 1166.30 1111.37 1111.37 0.00 0.00 0.00 0.00 11:50:02 ens3 25.42 21.45 40.10 6.34 0.00 0.00 0.00 0.00 11:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:37 lo 2763.55 2763.55 9228.30 9228.30 0.00 0.00 0.00 0.00 12:00:37 ens3 20.76 16.80 82.83 4.52 0.00 0.00 0.00 0.00 12:00:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1793.73 1793.73 3987.15 3987.15 0.00 0.00 0.00 0.00 Average: ens3 69.91 53.14 460.23 10.96 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-65085) 04/01/26 _x86_64_ (4 CPU) 11:29:57 LINUX RESTART (4 CPU) 11:30:00 CPU %user %nice %system %iowait %steal %idle 11:40:32 all 62.20 0.00 2.74 0.39 0.12 34.55 11:40:32 0 60.10 0.00 2.68 0.71 0.12 36.39 11:40:32 1 61.57 0.00 2.96 0.36 0.11 34.99 11:40:32 2 62.32 0.00 2.65 0.20 0.12 34.71 11:40:32 3 64.81 0.00 2.66 0.30 0.12 32.11 11:50:02 all 66.95 0.00 2.28 0.04 0.12 30.61 11:50:02 0 65.25 0.00 1.82 0.05 0.13 32.76 11:50:02 1 68.76 0.00 2.23 0.06 0.12 28.83 11:50:02 2 64.24 0.00 2.22 0.03 0.12 33.39 11:50:02 3 69.53 0.00 2.85 0.04 0.13 27.45 12:00:37 all 45.81 0.00 1.78 0.06 0.10 52.26 12:00:37 0 49.29 0.00 1.68 0.06 0.10 48.88 12:00:37 1 47.26 0.00 1.71 0.04 0.10 50.89 12:00:37 2 43.57 0.00 1.62 0.11 0.09 54.60 12:00:37 3 43.12 0.00 2.10 0.02 0.10 54.66 Average: all 58.00 0.00 2.26 0.17 0.11 39.46 Average: 0 57.96 0.00 2.07 0.28 0.11 39.59 Average: 1 58.85 0.00 2.30 0.16 0.11 38.58 Average: 2 56.43 0.00 2.16 0.12 0.11 41.19 Average: 3 58.77 0.00 2.53 0.12 0.11 38.46