---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66452 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 668 10547 4 4772 14978 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:01:35:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84505sec preferred_lft 84505sec inet6 fe80::f816:3eff:fe01:354a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:01:69:7b:82:83 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-66452) 04/04/26 _x86_64_ (4 CPU) 14:39:28 LINUX RESTART (4 CPU) 14:40:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:01 20.17 2.99 16.20 0.98 171.90 3906.33 2016.83 15:00:12 17.52 0.79 15.07 1.66 26.98 3659.81 3155.64 15:10:09 16.76 0.40 13.29 3.07 13.72 2048.53 1864.67 Average: 18.13 1.38 14.84 1.91 69.84 3203.28 2353.89 14:40:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:01 10976320 13995156 1967632 12.02 121208 3048984 2385244 13.69 505252 4526368 59880 15:00:12 9139552 13272568 2680856 16.37 167952 4019892 3104060 17.82 768176 6005212 85788 15:10:09 10863328 15391140 560484 3.42 174372 4386564 1041524 5.98 912280 4084008 3144 Average: 10326400 14219621 1736324 10.60 154511 3818480 2176943 12.50 728569 4871863 49604 14:40:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:01 lo 0.79 0.79 0.09 0.09 0.00 0.00 0.00 0.00 14:50:01 ens3 97.22 78.63 858.00 16.05 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:12 lo 455.00 455.00 432.33 432.33 0.00 0.00 0.00 0.00 15:00:12 ens3 84.92 65.34 365.24 18.79 0.00 0.00 0.00 0.00 15:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:09 lo 983.54 983.54 927.26 927.26 0.00 0.00 0.00 0.00 15:10:09 ens3 87.89 85.06 134.84 194.63 0.00 0.00 0.00 0.00 15:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 482.95 482.95 456.24 456.24 0.00 0.00 0.00 0.00 Average: ens3 89.92 76.25 449.23 76.50 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-66452) 04/04/26 _x86_64_ (4 CPU) 14:39:28 LINUX RESTART (4 CPU) 14:40:17 CPU %user %nice %system %iowait %steal %idle 14:50:01 all 30.99 0.00 1.15 0.17 0.06 67.63 14:50:01 0 33.30 0.00 1.35 0.10 0.05 65.19 14:50:01 1 29.98 0.00 1.19 0.17 0.05 68.61 14:50:01 2 30.68 0.00 1.21 0.07 0.07 67.98 14:50:01 3 29.98 0.00 0.87 0.35 0.07 68.74 15:00:12 all 71.28 0.00 2.46 0.03 0.10 26.12 15:00:12 0 71.89 0.00 2.57 0.03 0.10 25.41 15:00:12 1 69.59 0.00 2.31 0.03 0.10 27.97 15:00:12 2 70.69 0.00 2.34 0.04 0.10 26.84 15:00:12 3 72.97 0.00 2.62 0.03 0.10 24.28 15:10:09 all 28.05 0.00 1.32 0.08 0.06 70.48 15:10:09 0 26.47 0.00 1.21 0.05 0.06 72.21 15:10:09 1 30.67 0.00 1.49 0.17 0.07 67.60 15:10:09 2 30.83 0.00 1.30 0.08 0.07 67.72 15:10:09 3 24.24 0.00 1.28 0.04 0.07 74.38 Average: all 43.72 0.00 1.65 0.10 0.07 54.46 Average: 0 44.15 0.00 1.72 0.06 0.07 54.00 Average: 1 43.68 0.00 1.67 0.12 0.07 54.46 Average: 2 44.34 0.00 1.63 0.06 0.08 53.89 Average: 3 42.70 0.00 1.60 0.14 0.08 55.48