---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6278 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 11G 67G 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 580 10373 4 5035 15066 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:31:c6:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.104/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84749sec preferred_lft 84749sec inet6 fe80::f816:3eff:fe31:c627/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:2f:d1:1f:7b:3d 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-6278) 01/31/26 _x86_64_ (4 CPU) 09:56:18 LINUX RESTART (4 CPU) 10:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 23.56 0.66 8.84 14.06 615.95 1819.96 250578.74 10:20:14 11.45 0.52 10.21 0.72 19.00 1688.19 1794.48 Average: 17.40 0.59 9.53 7.28 312.31 1752.94 124036.31 10:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 8777560 12043704 3917820 23.93 114924 3318560 4142944 23.78 718196 6532108 96 10:20:14 9740876 13511124 2446808 14.94 133460 3773984 2705776 15.53 886880 5371692 98892 Average: 9259218 12777414 3182314 19.44 124192 3546272 3424360 19.66 802538 5951900 49494 10:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.70 0.70 0.40 0.40 0.00 0.00 0.00 0.00 10:10:01 ens3 31.30 21.43 353.38 3.26 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:14 lo 231.96 231.96 220.68 220.68 0.00 0.00 0.00 0.00 10:20:14 ens3 32.30 25.74 380.63 3.64 0.00 0.00 0.00 0.00 10:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 118.33 118.33 112.44 112.44 0.00 0.00 0.00 0.00 Average: ens3 31.81 23.62 367.24 3.45 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-6278) 01/31/26 _x86_64_ (4 CPU) 09:56:18 LINUX RESTART (4 CPU) 10:00:08 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 47.96 0.00 1.05 0.13 0.08 50.79 10:10:01 0 50.83 0.00 1.14 0.19 0.08 47.76 10:10:01 1 43.56 0.00 0.95 0.08 0.08 55.32 10:10:01 2 57.88 0.00 1.14 0.16 0.08 40.74 10:10:01 3 39.55 0.00 0.96 0.07 0.07 59.36 10:20:14 all 51.80 0.00 0.94 0.03 0.08 47.16 10:20:14 0 41.15 0.00 0.89 0.03 0.07 57.85 10:20:14 1 41.93 0.00 0.95 0.04 0.08 57.01 10:20:14 2 77.47 0.00 0.99 0.02 0.08 21.44 10:20:14 3 46.60 0.00 0.92 0.04 0.07 52.38 Average: all 49.91 0.00 0.99 0.08 0.08 48.94 Average: 0 45.91 0.00 1.02 0.11 0.07 52.89 Average: 1 42.73 0.00 0.95 0.06 0.08 56.18 Average: 2 67.85 0.00 1.07 0.09 0.08 30.91 Average: 3 43.13 0.00 0.94 0.05 0.07 55.81