---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-431184 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 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 746 9559 4 5683 14900 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:15:f7:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83914sec preferred_lft 83914sec inet6 fe80::f816:3eff:fe15:f782/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:5b:0a:ce:a1:21 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-431184) 03/10/26 _x86_64_ (4 CPU) 20:24:21 LINUX RESTART (4 CPU) 20:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:10 17.06 2.31 13.72 1.03 135.97 3523.05 4012.31 20:50:00 60.89 0.34 48.81 11.75 10.01 4409.86 14390.90 21:00:11 38.87 0.23 31.98 6.65 10.53 5153.75 6291.97 Average: 38.81 0.96 31.41 6.45 52.19 4366.26 8185.31 20:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:10 9950300 13315476 2643552 16.15 153908 3324296 2998992 17.21 606292 5426292 55472 20:50:00 8648620 12971912 2979236 18.20 199652 4159636 3175444 18.23 825752 6423476 102052 21:00:11 9932100 15384244 561980 3.43 236372 5187268 1113792 6.39 1217064 4664604 140 Average: 9510340 13890544 2061589 12.59 196644 4223733 2429409 13.94 883036 5504791 52555 20:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:10 lo 1.28 1.28 0.13 0.13 0.00 0.00 0.00 0.00 20:40:10 ens3 97.37 76.81 525.75 20.95 0.00 0.00 0.00 0.00 20:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:00 lo 4925.77 4925.77 4697.34 4697.34 0.00 0.00 0.00 0.00 20:50:00 ens3 96.36 69.82 308.18 21.45 0.00 0.00 0.00 0.00 20:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:11 lo 3022.17 3022.17 2875.90 2875.90 0.00 0.00 0.00 0.00 21:00:11 ens3 89.51 76.11 105.93 83.71 0.00 0.00 0.00 0.00 21:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2638.53 2638.53 2513.73 2513.73 0.00 0.00 0.00 0.00 Average: ens3 94.38 74.28 312.18 42.39 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-431184) 03/10/26 _x86_64_ (4 CPU) 20:24:21 LINUX RESTART (4 CPU) 20:30:10 CPU %user %nice %system %iowait %steal %idle 20:40:10 all 64.67 0.00 2.29 0.07 0.14 32.83 20:40:10 0 63.34 0.00 2.12 0.10 0.14 34.30 20:40:10 1 65.49 0.00 2.40 0.05 0.14 31.92 20:40:10 2 65.89 0.00 2.19 0.06 0.14 31.72 20:40:10 3 63.98 0.00 2.45 0.07 0.14 33.36 20:50:00 all 62.11 0.00 4.11 0.17 0.13 33.48 20:50:00 0 62.04 0.00 4.09 0.20 0.14 33.54 20:50:00 1 63.73 0.00 3.94 0.13 0.13 32.06 20:50:00 2 60.85 0.00 4.37 0.18 0.14 34.46 20:50:00 3 61.82 0.00 4.04 0.18 0.12 33.84 21:00:11 all 53.23 0.00 3.20 0.32 0.11 43.15 21:00:11 0 51.33 0.00 2.88 0.34 0.11 45.33 21:00:11 1 52.35 0.00 2.98 0.38 0.11 44.18 21:00:11 2 55.35 0.00 3.37 0.18 0.11 40.99 21:00:11 3 53.87 0.00 3.55 0.36 0.11 42.11 Average: all 59.96 0.00 3.19 0.19 0.13 36.54 Average: 0 58.85 0.00 3.02 0.21 0.13 37.79 Average: 1 60.46 0.00 3.10 0.19 0.13 36.12 Average: 2 60.67 0.00 3.31 0.14 0.13 35.76 Average: 3 59.85 0.00 3.34 0.20 0.12 36.48