---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5931 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 643 8735 4 6610 15003 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:03:52:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84121sec preferred_lft 84121sec inet6 fe80::f816:3eff:fe03:528a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:28:ec:75:42:8d 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5931) 01/30/26 _x86_64_ (4 CPU) 05:24:00 LINUX RESTART (4 CPU) 05:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:03 30.93 2.94 24.89 3.10 161.15 3865.42 5472.82 05:50:01 33.10 0.00 29.53 3.57 0.09 2597.46 13110.49 06:00:01 11.38 0.13 10.09 1.15 6.52 8418.47 1474.34 Average: 25.14 1.03 21.51 2.61 56.12 4959.92 6680.47 05:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:03 8425004 12101460 3855952 23.55 140484 3663288 3857696 22.14 837008 6720864 6632 05:50:01 8557040 12702980 3250948 19.86 163772 4075068 3555116 20.41 963108 6427020 41164 06:00:01 8962660 15370156 576164 3.52 181384 6246712 1109764 6.37 1757400 5130524 76 Average: 8648235 13391532 2561021 15.64 161880 4661689 2840859 16.31 1185839 6092803 15957 05:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:03 lo 1396.27 1396.27 1323.82 1323.82 0.00 0.00 0.00 0.00 05:40:03 ens3 104.79 82.38 806.17 19.16 0.00 0.00 0.00 0.00 05:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 1410.79 1410.79 1342.77 1342.77 0.00 0.00 0.00 0.00 05:50:01 ens3 45.85 34.31 41.51 12.47 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 lo 244.12 244.12 6850.49 6850.49 0.00 0.00 0.00 0.00 06:00:01 ens3 69.66 79.16 111.14 990.52 0.00 0.00 0.00 0.00 06:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1017.47 1017.47 3170.32 3170.32 0.00 0.00 0.00 0.00 Average: ens3 73.50 65.33 320.55 340.37 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-5931) 01/30/26 _x86_64_ (4 CPU) 05:24:00 LINUX RESTART (4 CPU) 05:30:01 CPU %user %nice %system %iowait %steal %idle 05:40:03 all 67.68 0.00 2.58 0.09 0.10 29.54 05:40:03 0 67.93 0.00 2.83 0.11 0.10 29.04 05:40:03 1 66.82 0.00 2.30 0.10 0.10 30.69 05:40:03 2 68.09 0.00 2.72 0.09 0.10 29.01 05:40:03 3 67.91 0.00 2.48 0.07 0.10 29.44 05:50:01 all 64.23 0.00 2.57 0.15 0.10 32.96 05:50:01 0 63.57 0.00 2.44 0.22 0.10 33.67 05:50:01 1 66.38 0.00 2.53 0.08 0.10 30.91 05:50:01 2 63.55 0.00 2.68 0.09 0.10 33.57 05:50:01 3 63.44 0.00 2.60 0.19 0.10 33.67 06:00:01 all 29.63 0.00 0.92 0.23 0.07 69.16 06:00:01 0 28.18 0.00 0.84 0.15 0.06 70.77 06:00:01 1 32.37 0.00 0.85 0.14 0.07 66.57 06:00:01 2 33.60 0.00 0.94 0.05 0.07 65.34 06:00:01 3 24.39 0.00 1.04 0.57 0.07 73.94 Average: all 53.84 0.00 2.02 0.16 0.09 43.90 Average: 0 53.20 0.00 2.04 0.16 0.09 44.51 Average: 1 55.18 0.00 1.89 0.11 0.09 42.73 Average: 2 55.08 0.00 2.11 0.08 0.09 42.64 Average: 3 51.88 0.00 2.04 0.28 0.09 45.71