---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12851 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: 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 10G 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 608 10857 4 4523 15038 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:20:27:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85022sec preferred_lft 85022sec inet6 fe80::f816:3eff:fe20:27a3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:68:b7:d1:88:30 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-12851) 02/17/26 _x86_64_ (4 CPU) 12:09:51 LINUX RESTART (4 CPU) 12:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:00 90.03 12.35 60.44 17.24 2107.60 11405.83 276712.20 12:30:00 27.70 0.01 24.90 2.79 0.21 2316.53 31644.29 Average: 58.87 6.18 42.67 10.02 1054.08 6861.94 154198.67 12:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:00 8991784 12940588 3015736 18.42 138400 3930760 3129244 17.96 884624 6079452 217100 12:30:00 8183108 12547616 3405356 20.80 158064 4292312 3526232 20.24 997136 6762768 212320 Average: 8587446 12744102 3210546 19.61 148232 4111536 3327738 19.10 940880 6421110 214710 12:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:00 lo 1494.90 1494.90 1418.36 1418.36 0.00 0.00 0.00 0.00 12:20:00 ens3 161.76 117.76 1515.68 21.78 0.00 0.00 0.00 0.00 12:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:00 lo 1244.38 1244.38 1185.04 1185.04 0.00 0.00 0.00 0.00 12:30:00 ens3 25.47 21.50 21.51 6.34 0.00 0.00 0.00 0.00 12:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1369.66 1369.66 1301.72 1301.72 0.00 0.00 0.00 0.00 Average: ens3 93.63 69.64 768.72 14.06 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-12851) 02/17/26 _x86_64_ (4 CPU) 12:09:51 LINUX RESTART (4 CPU) 12:10:00 CPU %user %nice %system %iowait %steal %idle 12:20:00 all 61.07 0.00 2.83 1.00 0.10 35.00 12:20:00 0 58.01 0.00 2.64 0.58 0.10 38.67 12:20:00 1 61.98 0.00 2.75 0.79 0.10 34.39 12:20:00 2 62.83 0.00 2.81 1.10 0.10 33.16 12:20:00 3 61.47 0.00 3.13 1.54 0.10 33.76 12:30:00 all 66.52 0.00 2.35 0.11 0.10 30.92 12:30:00 0 66.01 0.00 1.99 0.10 0.10 31.81 12:30:00 1 67.32 0.00 2.32 0.14 0.11 30.12 12:30:00 2 66.20 0.00 2.49 0.08 0.11 31.12 12:30:00 3 66.56 0.00 2.58 0.11 0.10 30.65 Average: all 63.80 0.00 2.59 0.55 0.10 32.96 Average: 0 62.00 0.00 2.31 0.34 0.10 35.24 Average: 1 64.65 0.00 2.53 0.46 0.10 32.25 Average: 2 64.51 0.00 2.65 0.59 0.10 32.15 Average: 3 64.02 0.00 2.86 0.83 0.10 32.20