---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12947 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 673 10167 4 5148 14973 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:e0:39:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84835sec preferred_lft 84835sec inet6 fe80::f816:3eff:fee0:39ca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:81:e8:4b:63:ec 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-12947) 02/17/26 _x86_64_ (4 CPU) 14:38:38 LINUX RESTART (4 CPU) 14:40:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:16 25.54 3.42 20.30 1.82 771.01 5052.53 26114.24 15:00:16 49.77 0.93 30.59 18.25 30.31 4827.56 239712.35 Average: 37.65 2.17 25.45 10.03 400.66 4940.05 132913.29 14:40:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:16 10189236 13867352 2090108 12.77 141808 3653404 2452972 14.08 774416 5025472 39072 15:00:16 10477296 15386512 562696 3.44 177364 4757980 1115588 6.40 1112912 4286752 56 Average: 10333266 14626932 1326402 8.10 159586 4205692 1784280 10.24 943664 4656112 19564 14:40:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:16 lo 1.45 1.45 0.16 0.16 0.00 0.00 0.00 0.00 14:50:16 ens3 122.19 92.70 1020.51 22.09 0.00 0.00 0.00 0.00 14:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:16 lo 1577.54 1577.54 1501.05 1501.05 0.00 0.00 0.00 0.00 15:00:16 ens3 79.00 63.68 424.66 38.64 0.00 0.00 0.00 0.00 15:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 789.49 789.49 750.61 750.61 0.00 0.00 0.00 0.00 Average: ens3 100.59 78.19 722.58 30.37 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-12947) 02/17/26 _x86_64_ (4 CPU) 14:38:38 LINUX RESTART (4 CPU) 14:40:16 CPU %user %nice %system %iowait %steal %idle 14:50:16 all 68.39 0.00 2.46 0.16 0.13 28.87 14:50:16 0 72.15 0.00 2.46 0.25 0.13 25.01 14:50:16 1 66.80 0.00 2.26 0.08 0.13 30.73 14:50:16 2 66.74 0.00 2.64 0.20 0.14 30.29 14:50:16 3 67.85 0.00 2.47 0.11 0.13 29.44 15:00:16 all 64.77 0.00 2.76 0.13 0.12 32.21 15:00:16 0 62.39 0.00 2.65 0.11 0.12 34.73 15:00:16 1 66.77 0.00 3.08 0.21 0.12 29.82 15:00:16 2 65.67 0.00 2.47 0.08 0.12 31.65 15:00:16 3 64.26 0.00 2.83 0.13 0.12 32.66 Average: all 66.58 0.00 2.61 0.15 0.13 30.54 Average: 0 67.27 0.00 2.56 0.18 0.12 29.87 Average: 1 66.78 0.00 2.67 0.15 0.13 30.28 Average: 2 66.21 0.00 2.56 0.14 0.13 30.97 Average: 3 66.05 0.00 2.65 0.12 0.13 31.05