---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1554 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 9.9G 68G 13% / 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 665 10754 4 4569 14981 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:5b:b2:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84926sec preferred_lft 84926sec inet6 fe80::f816:3eff:fe5b:b227/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:5b:eb:75:18:b6 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-1554) 01/17/26 _x86_64_ (4 CPU) 21:55:39 LINUX RESTART (4 CPU) 22:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:02 59.79 1.17 48.93 9.70 607.85 6070.13 40477.71 22:20:02 39.19 0.21 20.78 18.20 13.04 2728.60 245252.30 Average: 49.49 0.69 34.85 13.95 310.45 4399.37 142865.00 22:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:02 10068628 13797836 2158300 13.18 171480 3666088 2434008 13.97 832820 5076324 15660 22:20:02 11017312 15336948 615320 3.76 201840 4184496 1165604 6.69 1013488 3903080 13688 Average: 10542970 14567392 1386810 8.47 186660 3925292 1799806 10.33 923154 4489702 14674 22:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:02 lo 4734.57 4734.57 4511.79 4511.79 0.00 0.00 0.00 0.00 22:10:02 ens3 143.40 103.58 511.64 29.26 0.00 0.00 0.00 0.00 22:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:02 lo 1638.69 1638.69 1545.14 1545.14 0.00 0.00 0.00 0.00 22:20:02 ens3 127.72 120.13 129.03 181.88 0.00 0.00 0.00 0.00 22:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3186.63 3186.63 3028.46 3028.46 0.00 0.00 0.00 0.00 Average: ens3 135.56 111.85 320.33 105.57 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-1554) 01/17/26 _x86_64_ (4 CPU) 21:55:39 LINUX RESTART (4 CPU) 22:00:02 CPU %user %nice %system %iowait %steal %idle 22:10:02 all 66.67 0.00 4.22 0.20 0.09 28.82 22:10:02 0 66.76 0.00 4.11 0.22 0.09 28.82 22:10:02 1 67.46 0.00 4.63 0.21 0.09 27.62 22:10:02 2 66.61 0.00 3.93 0.18 0.08 29.19 22:10:02 3 65.85 0.00 4.20 0.21 0.08 29.66 22:20:02 all 35.46 0.00 1.97 0.19 0.07 62.31 22:20:02 0 37.86 0.00 1.89 0.18 0.07 60.01 22:20:02 1 33.60 0.00 1.96 0.22 0.07 64.15 22:20:02 2 37.96 0.00 2.06 0.12 0.07 59.79 22:20:02 3 32.41 0.00 1.97 0.23 0.07 65.32 Average: all 51.04 0.00 3.09 0.20 0.08 45.59 Average: 0 52.28 0.00 3.00 0.20 0.08 44.44 Average: 1 50.51 0.00 3.30 0.21 0.08 45.90 Average: 2 52.26 0.00 3.00 0.15 0.08 44.51 Average: 3 49.12 0.00 3.08 0.22 0.08 47.51