---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5442 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 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 676 10343 4 4968 14970 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:93:cc:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84428sec preferred_lft 84428sec inet6 fe80::f816:3eff:fe93:cc8a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:c1:e9:e0:a2:3a 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-5442) 01/28/26 _x86_64_ (4 CPU) 15:07:30 LINUX RESTART (4 CPU) 15:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:02 27.31 2.44 11.29 13.58 733.15 2396.55 247342.44 15:30:01 12.74 0.52 11.20 1.02 16.67 2485.77 300.24 15:40:02 33.39 0.60 28.00 4.80 25.59 3717.75 9446.87 Average: 24.49 1.19 16.84 6.47 258.47 2867.20 85698.96 15:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:02 11032872 14129664 1833504 11.20 116604 3143872 2264936 13.00 678556 4331140 34684 15:30:01 9754492 13563580 2393040 14.62 149924 3753444 2650660 15.21 860564 5348216 20180 15:40:02 10678024 15410984 539532 3.30 172104 4597072 1055472 6.06 1115320 4089940 13232 Average: 10488463 14368076 1588692 9.70 146211 3831463 1990356 11.42 884813 4589765 22699 15:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:02 lo 0.45 0.45 0.05 0.05 0.00 0.00 0.00 0.00 15:20:02 ens3 64.06 50.78 711.53 8.97 0.00 0.00 0.00 0.00 15:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:01 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 15:30:01 ens3 69.29 53.80 142.04 18.20 0.00 0.00 0.00 0.00 15:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:02 lo 1591.69 1591.69 1506.65 1506.65 0.00 0.00 0.00 0.00 15:40:02 ens3 115.79 101.48 415.79 199.38 0.00 0.00 0.00 0.00 15:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 531.84 531.84 502.91 502.91 0.00 0.00 0.00 0.00 Average: ens3 83.07 68.71 423.23 75.59 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-5442) 01/28/26 _x86_64_ (4 CPU) 15:07:30 LINUX RESTART (4 CPU) 15:10:02 CPU %user %nice %system %iowait %steal %idle 15:20:02 all 20.06 0.00 0.77 0.80 0.05 78.32 15:20:02 0 21.14 0.00 0.78 0.78 0.04 77.26 15:20:02 1 19.88 0.00 0.85 1.42 0.06 77.79 15:20:02 2 19.87 0.00 0.88 0.67 0.05 78.53 15:20:02 3 19.35 0.00 0.59 0.33 0.05 79.68 15:30:01 all 72.87 0.00 2.25 0.10 0.13 24.64 15:30:01 0 72.66 0.00 2.20 0.11 0.13 24.90 15:30:01 1 74.65 0.00 2.30 0.13 0.13 22.80 15:30:01 2 72.60 0.00 2.34 0.11 0.13 24.83 15:30:01 3 71.59 0.00 2.16 0.06 0.13 26.05 15:40:02 all 42.46 0.00 2.14 0.44 0.09 54.87 15:40:02 0 40.67 0.00 2.19 0.39 0.09 56.66 15:40:02 1 40.38 0.00 1.80 0.36 0.09 57.38 15:40:02 2 46.95 0.00 2.59 0.66 0.10 49.71 15:40:02 3 41.86 0.00 1.98 0.34 0.09 55.72 Average: all 45.10 0.00 1.72 0.45 0.09 52.64 Average: 0 44.79 0.00 1.72 0.43 0.09 52.97 Average: 1 44.94 0.00 1.65 0.64 0.09 52.69 Average: 2 46.44 0.00 1.93 0.48 0.09 51.06 Average: 3 44.24 0.00 1.58 0.24 0.09 53.85