---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34373 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 67G 15% / 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 769 9272 4 5946 14876 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:71:f5:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.153/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83966sec preferred_lft 83966sec inet6 fe80::f816:3eff:fe71:f507/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:72:de:34:4a:d9 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-34373) 01/12/26 _x86_64_ (4 CPU) 20:25:36 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:14 17.22 2.77 13.18 1.26 729.47 3647.10 16995.37 20:50:14 50.67 0.35 41.60 8.72 11.01 4302.43 29421.37 21:00:01 61.18 0.14 37.87 23.17 6.76 5464.56 329686.92 Average: 42.71 1.11 30.71 10.89 254.26 4458.40 123143.98 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:14 9733092 13293088 2665804 16.28 149684 3531240 3025616 17.37 777992 5475724 45260 20:50:14 8664448 13200728 2749576 16.79 197360 4377888 3288692 18.88 998976 6230720 83624 21:00:01 9656980 15379552 566376 3.46 240504 5452860 1122216 6.44 1411240 4755864 67888 Average: 9351507 13957789 1993919 12.18 195849 4453996 2478841 14.23 1062736 5487436 65591 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:14 lo 1.31 1.31 0.14 0.14 0.00 0.00 0.00 0.00 20:40:14 ens3 92.14 70.73 577.21 19.25 0.00 0.00 0.00 0.00 20:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:14 lo 4542.36 4542.36 4329.81 4329.81 0.00 0.00 0.00 0.00 20:50:14 ens3 84.84 63.41 300.71 19.23 0.00 0.00 0.00 0.00 20:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 3902.58 3902.58 3718.16 3718.16 0.00 0.00 0.00 0.00 21:00:01 ens3 81.65 64.44 129.80 27.75 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2787.42 2787.42 2656.02 2656.02 0.00 0.00 0.00 0.00 Average: ens3 86.28 66.24 339.10 22.02 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-34373) 01/12/26 _x86_64_ (4 CPU) 20:25:36 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:14 all 63.26 0.00 2.35 0.11 0.09 34.20 20:40:14 0 62.97 0.00 2.49 0.13 0.09 34.33 20:40:14 1 63.74 0.00 2.36 0.08 0.09 33.74 20:40:14 2 65.00 0.00 2.46 0.18 0.08 32.28 20:40:14 3 61.31 0.00 2.10 0.06 0.09 36.44 20:50:14 all 62.78 0.00 4.16 0.11 0.08 32.87 20:50:14 0 62.14 0.00 4.01 0.12 0.09 33.65 20:50:14 1 63.87 0.00 4.16 0.11 0.08 31.77 20:50:14 2 61.95 0.00 4.31 0.08 0.08 33.58 20:50:14 3 63.15 0.00 4.16 0.13 0.09 32.48 21:00:01 all 60.10 0.00 3.89 0.18 0.08 35.75 21:00:01 0 59.93 0.00 3.93 0.19 0.08 35.87 21:00:01 1 61.02 0.00 3.85 0.12 0.09 34.92 21:00:01 2 59.32 0.00 3.93 0.28 0.09 36.39 21:00:01 3 60.12 0.00 3.86 0.11 0.08 35.83 Average: all 62.07 0.00 3.46 0.13 0.08 34.26 Average: 0 61.70 0.00 3.47 0.14 0.08 34.60 Average: 1 62.89 0.00 3.45 0.10 0.09 33.47 Average: 2 62.13 0.00 3.56 0.18 0.08 34.05 Average: 3 61.53 0.00 3.36 0.10 0.08 34.93