---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10019 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 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 657 10256 4 5074 14989 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:a1:ef:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84939sec preferred_lft 84939sec inet6 fe80::f816:3eff:fea1:ef64/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:75:ca:e5:2f:ad 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-10019) 02/13/26 _x86_64_ (4 CPU) 05:18:39 LINUX RESTART (4 CPU) 05:20:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:15 22.91 3.42 18.00 1.49 770.73 4808.37 23833.57 05:40:15 28.83 0.93 23.90 4.00 30.27 4523.79 5311.45 Average: 25.87 2.18 20.95 2.74 400.50 4666.08 14572.51 05:20:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:15 10047908 13698648 2259272 13.80 140932 3625800 2600776 14.93 787396 5148060 22156 05:40:15 10549540 15384396 565184 3.45 175072 4688980 1102060 6.33 1113696 4206748 124 Average: 10298724 14541522 1412228 8.63 158002 4157390 1851418 10.63 950546 4677404 11140 05:20:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:15 lo 1.47 1.47 0.16 0.16 0.00 0.00 0.00 0.00 05:30:15 ens3 125.30 96.31 916.19 22.47 0.00 0.00 0.00 0.00 05:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:15 lo 1609.54 1609.54 1528.80 1528.80 0.00 0.00 0.00 0.00 05:40:15 ens3 105.16 85.63 428.05 96.84 0.00 0.00 0.00 0.00 05:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 805.50 805.50 764.48 764.48 0.00 0.00 0.00 0.00 Average: ens3 115.23 90.97 672.12 59.66 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-10019) 02/13/26 _x86_64_ (4 CPU) 05:18:39 LINUX RESTART (4 CPU) 05:20:15 CPU %user %nice %system %iowait %steal %idle 05:30:15 all 69.85 0.00 2.32 0.09 0.10 27.64 05:30:15 0 69.57 0.00 2.17 0.08 0.10 28.09 05:30:15 1 68.52 0.00 2.36 0.09 0.10 28.93 05:30:15 2 71.51 0.00 2.47 0.11 0.10 25.82 05:30:15 3 69.81 0.00 2.29 0.07 0.10 27.74 05:40:15 all 59.91 0.00 2.39 0.09 0.09 37.52 05:40:15 0 58.36 0.00 2.55 0.03 0.09 38.98 05:40:15 1 60.03 0.00 2.12 0.16 0.09 37.60 05:40:15 2 60.60 0.00 2.25 0.09 0.09 36.95 05:40:15 3 60.67 0.00 2.63 0.07 0.09 36.54 Average: all 64.88 0.00 2.36 0.09 0.09 32.58 Average: 0 63.96 0.00 2.36 0.05 0.09 33.54 Average: 1 64.27 0.00 2.24 0.13 0.09 33.27 Average: 2 66.06 0.00 2.36 0.10 0.09 31.39 Average: 3 65.24 0.00 2.46 0.07 0.10 32.14