---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-24748 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: 5600.00 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 17G 61G 22% / 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 652 11609 3 3727 14994 Swap: 1023 39 984 ---> 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:af:02:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83636sec preferred_lft 83636sec inet6 fe80::f816:3eff:feaf:22f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:13:56:57:5f:84 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-16g-24748) 01/09/26 _x86_64_ (4 CPU) 12:58:55 LINUX RESTART (4 CPU) 13:00:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:16 143.73 5.12 118.87 19.74 676.33 38103.54 239180.97 13:20:02 61.02 24.88 34.30 1.84 302.69 2110.69 2688.99 13:30:17 10.57 0.81 9.12 0.64 25.45 327.33 1268.28 13:40:17 14.37 0.75 12.97 0.65 18.88 663.24 756.00 Average: 56.81 7.75 43.39 5.66 252.67 10192.39 60337.55 13:00:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:16 168520 7848084 8073644 49.31 254576 7220484 10266016 58.93 2215992 13218820 300 13:20:02 8365516 11551764 4384204 26.78 260896 2921808 6191756 35.54 2016008 5444952 6944 13:30:17 1673120 4883816 11050276 67.49 262644 2944324 12281616 70.50 2030080 12109308 76 13:40:17 10458180 13797312 2141816 13.08 267952 3067364 2904848 16.67 2073504 3304508 380 Average: 5166334 9520244 6412485 39.16 261517 4038495 7911059 45.41 2083896 8519397 1925 13:00:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:16 lo 4.86 4.86 5.34 5.34 0.00 0.00 0.00 0.00 13:10:16 ens3 130.62 100.14 1939.09 11.53 0.00 0.00 0.00 0.00 13:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:02 lo 46.72 46.72 25.32 25.32 0.00 0.00 0.00 0.00 13:20:02 ens3 2.03 1.97 0.47 0.42 0.00 0.00 0.00 0.00 13:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:17 lo 31.98 31.98 14.23 14.23 0.00 0.00 0.00 0.00 13:30:17 ens3 1.03 0.73 0.25 0.19 0.00 0.00 0.00 0.00 13:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:17 lo 12.04 12.04 5.95 5.95 0.00 0.00 0.00 0.00 13:40:17 ens3 1.03 0.77 0.30 0.23 0.00 0.00 0.00 0.00 13:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.88 23.88 12.67 12.67 0.00 0.00 0.00 0.00 Average: ens3 33.33 25.63 479.91 3.06 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-16g-24748) 01/09/26 _x86_64_ (4 CPU) 12:58:55 LINUX RESTART (4 CPU) 13:00:24 CPU %user %nice %system %iowait %steal %idle 13:10:16 all 52.54 0.00 2.78 0.84 0.10 43.75 13:10:16 0 53.60 0.00 2.77 1.07 0.10 42.46 13:10:16 1 52.02 0.00 2.60 0.90 0.10 44.37 13:10:16 2 51.55 0.00 2.78 0.81 0.10 44.76 13:10:16 3 52.99 0.00 2.95 0.56 0.10 43.40 13:20:02 all 59.02 0.00 2.27 0.24 0.12 38.36 13:20:02 0 59.32 0.00 2.19 0.20 0.12 38.17 13:20:02 1 59.62 0.00 2.20 0.21 0.12 37.85 13:20:02 2 58.01 0.00 2.43 0.45 0.12 38.99 13:20:02 3 59.12 0.00 2.25 0.09 0.13 38.42 13:30:17 all 23.16 0.00 1.00 0.16 0.10 75.58 13:30:17 0 22.63 0.00 0.96 0.45 0.13 75.83 13:30:17 1 22.85 0.00 1.04 0.10 0.09 75.91 13:30:17 2 23.47 0.00 1.09 0.05 0.09 75.30 13:30:17 3 23.68 0.00 0.92 0.05 0.09 75.26 13:40:17 all 19.05 0.00 0.85 0.21 0.07 79.83 13:40:17 0 19.54 0.00 0.96 0.06 0.07 79.37 13:40:17 1 19.18 0.00 0.86 0.26 0.08 79.63 13:40:17 2 18.85 0.00 0.78 0.35 0.07 79.95 13:40:17 3 18.62 0.00 0.79 0.16 0.07 80.36 Average: all 38.18 0.00 1.71 0.36 0.10 59.65 Average: 0 38.50 0.00 1.71 0.44 0.11 59.24 Average: 1 38.15 0.00 1.67 0.37 0.10 59.72 Average: 2 37.72 0.00 1.76 0.41 0.10 60.01 Average: 3 38.34 0.00 1.72 0.21 0.10 59.64