---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19683 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 UTC 2026 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 13G 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 651 8510 4 6827 14995 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:e3:56:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84105sec preferred_lft 84105sec inet6 fe80::f816:3eff:fee3:5698/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:9a:a6:0f:ce:0d 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-19683) 02/21/26 _x86_64_ (4 CPU) 19:01:27 LINUX RESTART (4 CPU) 19:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:12 26.08 0.35 22.77 2.96 16.62 2328.65 8031.82 19:30:01 33.16 0.02 29.77 3.37 0.35 4741.07 31286.57 Average: 29.58 0.19 26.23 3.16 8.59 3520.05 19516.48 19:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:12 8787092 12708060 3247344 19.83 146072 3888364 3346028 19.21 899908 6291924 17820 19:30:01 7479800 12470952 3479616 21.25 164968 4890684 3491784 20.04 1196816 7236580 3032 Average: 8133446 12589506 3363480 20.54 155520 4389524 3418906 19.62 1048362 6764252 10426 19:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:12 lo 1424.37 1424.37 1350.96 1350.96 0.00 0.00 0.00 0.00 19:20:12 ens3 49.45 41.20 58.23 14.09 0.00 0.00 0.00 0.00 19:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1500.55 1500.55 1428.19 1428.19 0.00 0.00 0.00 0.00 19:30:01 ens3 46.11 39.47 31.97 13.87 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1461.99 1461.99 1389.10 1389.10 0.00 0.00 0.00 0.00 Average: ens3 47.80 40.34 45.26 13.98 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-19683) 02/21/26 _x86_64_ (4 CPU) 19:01:27 LINUX RESTART (4 CPU) 19:10:07 CPU %user %nice %system %iowait %steal %idle 19:20:12 all 68.73 0.00 2.39 0.24 0.10 28.54 19:20:12 0 67.86 0.00 2.66 0.12 0.10 29.26 19:20:12 1 67.97 0.00 2.56 0.14 0.09 29.23 19:20:12 2 71.27 0.00 2.41 0.26 0.10 25.97 19:20:12 3 67.82 0.00 1.92 0.45 0.10 29.71 19:30:01 all 61.52 0.00 2.48 0.20 0.10 35.70 19:30:01 0 62.05 0.00 2.82 0.14 0.10 34.89 19:30:01 1 63.84 0.00 2.63 0.11 0.10 33.33 19:30:01 2 59.99 0.00 2.44 0.23 0.10 37.23 19:30:01 3 60.21 0.00 2.01 0.33 0.10 37.34 Average: all 65.17 0.00 2.43 0.22 0.10 32.07 Average: 0 64.99 0.00 2.74 0.13 0.10 32.04 Average: 1 65.93 0.00 2.60 0.12 0.10 31.25 Average: 2 65.70 0.00 2.43 0.25 0.10 31.53 Average: 3 64.07 0.00 1.97 0.39 0.10 33.48