---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14901 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 613 8769 4 6605 15033 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:73:17:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84151sec preferred_lft 84151sec inet6 fe80::f816:3eff:fe73:1747/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:78:ab:e0:47:00 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-14901) 02/18/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:02 23.99 0.07 21.18 2.74 6.53 2293.62 4904.61 19:30:01 32.85 0.03 29.49 3.33 0.57 4607.99 9202.81 Average: 28.47 0.05 25.38 3.04 3.52 3462.88 7076.14 19:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:02 9540912 13248744 2708772 16.54 143572 3678292 2736884 15.71 774516 5667088 13364 19:30:01 7758032 12527344 3424852 20.92 162648 4672672 3315280 19.03 1069580 7083560 5252 Average: 8649472 12888044 3066812 18.73 153110 4175482 3026082 17.37 922048 6375324 9308 19:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:02 lo 1352.60 1352.60 1281.29 1281.29 0.00 0.00 0.00 0.00 19:20:02 ens3 46.60 36.73 31.24 13.14 0.00 0.00 0.00 0.00 19:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1425.24 1425.24 1353.21 1353.21 0.00 0.00 0.00 0.00 19:30:01 ens3 41.07 31.46 28.76 10.99 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 1389.30 1389.30 1317.62 1317.62 0.00 0.00 0.00 0.00 Average: ens3 43.80 34.07 29.99 12.05 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-14901) 02/18/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:16 CPU %user %nice %system %iowait %steal %idle 19:20:02 all 66.94 0.00 2.28 0.06 0.09 30.63 19:20:02 0 66.81 0.00 2.34 0.06 0.09 30.70 19:20:02 1 67.10 0.00 2.21 0.05 0.10 30.54 19:20:02 2 66.80 0.00 2.35 0.07 0.10 30.69 19:20:02 3 67.04 0.00 2.20 0.06 0.09 30.61 19:30:01 all 59.81 0.00 2.45 0.13 0.09 37.53 19:30:01 0 61.44 0.00 2.27 0.16 0.09 36.05 19:30:01 1 58.06 0.00 2.42 0.11 0.09 39.33 19:30:01 2 62.43 0.00 2.76 0.15 0.09 34.58 19:30:01 3 57.31 0.00 2.34 0.09 0.08 40.17 Average: all 63.34 0.00 2.36 0.09 0.09 34.12 Average: 0 64.10 0.00 2.31 0.11 0.09 33.40 Average: 1 62.53 0.00 2.32 0.08 0.09 34.98 Average: 2 64.59 0.00 2.56 0.11 0.09 32.65 Average: 3 62.13 0.00 2.27 0.07 0.09 35.44