---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11177 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 658 8631 4 6698 14987 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:de:e5:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84204sec preferred_lft 84204sec inet6 fe80::f816:3eff:fede:e5fa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:f5:55:0d:2f:4c 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-11177) 02/16/26 _x86_64_ (4 CPU) 14:15:40 LINUX RESTART (4 CPU) 14:20:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:23 50.16 3.28 30.35 16.54 562.84 4886.98 254274.72 14:40:12 29.13 0.01 26.08 3.04 0.15 2291.54 9968.88 14:50:23 16.81 0.13 14.87 1.80 6.41 8502.53 40592.94 Average: 32.00 1.15 23.71 7.14 190.74 5265.92 102178.61 14:20:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:23 9689864 13392876 2564416 15.66 140928 3684220 2757072 15.83 810828 5492304 25724 14:40:12 8862476 13046420 2907668 17.76 160316 4110068 3290148 18.89 921040 6167116 117348 14:50:23 8834744 15332748 612996 3.74 177504 6332784 1099324 6.31 1742820 5253336 12 Average: 9129028 13924015 2028360 12.39 159583 4709024 2382181 13.67 1158229 5637585 47695 14:20:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:23 lo 1576.10 1576.10 1495.90 1495.90 0.00 0.00 0.00 0.00 14:30:23 ens3 134.23 101.93 1014.21 20.92 0.00 0.00 0.00 0.00 14:30:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:12 lo 1321.41 1321.41 1258.18 1258.18 0.00 0.00 0.00 0.00 14:40:12 ens3 40.76 31.36 26.03 11.00 0.00 0.00 0.00 0.00 14:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:23 lo 441.25 441.25 6902.84 6902.84 0.00 0.00 0.00 0.00 14:50:23 ens3 66.56 74.43 109.86 956.32 0.00 0.00 0.00 0.00 14:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1108.41 1108.41 3250.89 3250.89 0.00 0.00 0.00 0.00 Average: ens3 80.81 69.60 385.43 334.71 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-11177) 02/16/26 _x86_64_ (4 CPU) 14:15:40 LINUX RESTART (4 CPU) 14:20:19 CPU %user %nice %system %iowait %steal %idle 14:30:23 all 70.52 0.00 2.82 0.14 0.13 26.38 14:30:23 0 71.34 0.00 2.51 0.17 0.13 25.86 14:30:23 1 71.18 0.00 3.17 0.13 0.13 25.39 14:30:23 2 68.90 0.00 2.71 0.15 0.13 28.11 14:30:23 3 70.67 0.00 2.90 0.14 0.13 26.17 14:40:12 all 64.44 0.00 2.55 0.06 0.11 32.84 14:40:12 0 61.53 0.00 2.25 0.06 0.11 36.05 14:40:12 1 63.65 0.00 2.51 0.07 0.11 33.66 14:40:12 2 66.80 0.00 2.95 0.06 0.11 30.08 14:40:12 3 65.79 0.00 2.49 0.05 0.11 31.55 14:50:23 all 37.56 0.00 1.33 0.17 0.09 60.85 14:50:23 0 30.41 0.00 1.27 0.46 0.08 67.77 14:50:23 1 38.13 0.00 1.19 0.14 0.09 60.46 14:50:23 2 46.61 0.00 1.58 0.04 0.10 51.68 14:50:23 3 35.11 0.00 1.29 0.05 0.09 63.46 Average: all 57.36 0.00 2.23 0.13 0.11 40.18 Average: 0 54.24 0.00 2.01 0.23 0.10 43.41 Average: 1 57.52 0.00 2.28 0.11 0.11 39.98 Average: 2 60.65 0.00 2.40 0.08 0.11 36.76 Average: 3 57.02 0.00 2.22 0.08 0.11 40.57