---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3957 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 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 652 8686 4 6649 14994 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:a3:1f:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84090sec preferred_lft 84090sec inet6 fe80::f816:3eff:fea3:1ffa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:1b:cb:fe:33:12 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-3957) 01/24/26 _x86_64_ (4 CPU) 19:03:09 LINUX RESTART (4 CPU) 19:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 29.72 2.99 23.71 3.02 163.79 3620.83 5930.04 19:30:03 28.58 0.01 25.58 3.00 0.17 2395.07 26829.22 19:40:00 17.34 0.13 15.42 1.80 6.52 8580.55 6592.58 Average: 25.21 1.03 21.57 2.60 56.38 4863.76 13169.35 19:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 9720796 13329688 2628816 16.06 136636 3607080 3112408 17.87 853916 5414896 32220 19:30:03 8809224 12845060 3110204 19.00 156036 3980508 3236312 18.58 969428 6184076 23296 19:40:00 8918204 15366224 580324 3.54 177008 6290976 1103664 6.34 1805248 5111976 4 Average: 9149408 13846991 2106448 12.87 156560 4626188 2484128 14.26 1209531 5570316 18507 19:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 1542.84 1542.84 1464.02 1464.02 0.00 0.00 0.00 0.00 19:20:01 ens3 106.24 83.56 821.59 18.69 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:03 lo 1183.38 1183.38 1126.58 1126.58 0.00 0.00 0.00 0.00 19:30:03 ens3 41.52 33.20 27.53 11.82 0.00 0.00 0.00 0.00 19:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:00 lo 435.57 435.57 4851.14 4851.14 0.00 0.00 0.00 0.00 19:40:00 ens3 86.50 92.87 118.47 1016.66 0.00 0.00 0.00 0.00 19:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1052.74 1052.74 2480.65 2480.65 0.00 0.00 0.00 0.00 Average: ens3 77.92 69.75 320.37 349.30 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-3957) 01/24/26 _x86_64_ (4 CPU) 19:03:09 LINUX RESTART (4 CPU) 19:10:09 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 56.34 0.00 2.28 0.24 0.08 41.06 19:20:01 0 55.83 0.00 2.30 0.28 0.08 41.50 19:20:01 1 56.27 0.00 2.08 0.31 0.09 41.25 19:20:01 2 56.03 0.00 2.52 0.23 0.08 41.13 19:20:01 3 57.21 0.00 2.20 0.14 0.08 40.37 19:30:03 all 64.38 0.00 2.37 0.39 0.10 32.76 19:30:03 0 64.12 0.00 2.03 0.16 0.10 33.60 19:30:03 1 64.68 0.00 2.19 0.63 0.10 32.41 19:30:03 2 65.18 0.00 2.78 0.15 0.10 31.79 19:30:03 3 63.56 0.00 2.48 0.62 0.09 33.24 19:40:00 all 35.21 0.00 1.30 0.35 0.07 63.07 19:40:00 0 33.29 0.00 1.23 0.29 0.07 65.12 19:40:00 1 35.99 0.00 1.39 0.45 0.08 62.10 19:40:00 2 31.09 0.00 1.49 0.54 0.07 66.80 19:40:00 3 40.48 0.00 1.08 0.11 0.07 58.26 Average: all 51.97 0.00 1.98 0.33 0.08 45.64 Average: 0 51.06 0.00 1.85 0.24 0.08 46.76 Average: 1 52.32 0.00 1.89 0.46 0.09 45.25 Average: 2 50.76 0.00 2.26 0.31 0.08 46.59 Average: 3 53.75 0.00 1.92 0.29 0.08 43.96