---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15018 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 12G 66G 15% / 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 687 9174 4 6127 14959 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:e6:b0:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84726sec preferred_lft 84726sec inet6 fe80::f816:3eff:fee6:b033/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:cd:65:8e:d5:c9 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-15018) 02/19/26 _x86_64_ (4 CPU) 04:18:34 LINUX RESTART (4 CPU) 04:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:30:08 49.68 3.85 28.70 17.13 770.62 5611.07 283178.53 04:40:01 20.47 0.16 17.58 2.74 4.87 1462.45 30927.44 Average: 35.25 2.02 23.21 10.02 392.30 3561.42 158552.59 04:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:30:08 9254972 12997240 2960060 18.08 132232 3729884 3216800 18.46 864072 5840484 28684 04:40:01 8942320 13050248 2904468 17.74 149612 4056140 3342444 19.19 974772 6034168 104112 Average: 9098646 13023744 2932264 17.91 140922 3893012 3279622 18.82 919422 5937326 66398 04:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:30:08 lo 18.79 18.79 4.02 4.02 0.00 0.00 0.00 0.00 04:30:08 ens3 85.04 65.76 926.62 10.57 0.00 0.00 0.00 0.00 04:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:40:01 lo 1209.45 1209.45 1121.10 1121.10 0.00 0.00 0.00 0.00 04:40:01 ens3 28.09 22.00 260.99 3.71 0.00 0.00 0.00 0.00 04:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 607.05 607.05 555.92 555.92 0.00 0.00 0.00 0.00 Average: ens3 56.90 44.14 597.76 7.18 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-15018) 02/19/26 _x86_64_ (4 CPU) 04:18:34 LINUX RESTART (4 CPU) 04:20:01 CPU %user %nice %system %iowait %steal %idle 04:30:08 all 41.13 0.00 1.75 0.32 0.10 56.70 04:30:08 0 40.71 0.00 1.82 0.25 0.10 57.13 04:30:08 1 40.65 0.00 1.61 0.22 0.10 57.42 04:30:08 2 41.05 0.00 1.87 0.44 0.10 56.55 04:30:08 3 42.14 0.00 1.70 0.36 0.10 55.71 04:40:01 all 24.52 0.00 1.41 0.07 0.08 73.93 04:40:01 0 25.03 0.00 1.26 0.05 0.08 73.58 04:40:01 1 24.51 0.00 1.42 0.07 0.07 73.93 04:40:01 2 24.01 0.00 1.62 0.04 0.07 74.25 04:40:01 3 24.53 0.00 1.31 0.14 0.07 73.95 Average: all 32.93 0.00 1.58 0.20 0.09 65.20 Average: 0 32.98 0.00 1.54 0.15 0.09 65.24 Average: 1 32.68 0.00 1.52 0.15 0.09 65.57 Average: 2 32.63 0.00 1.75 0.24 0.09 65.29 Average: 3 33.44 0.00 1.51 0.25 0.09 64.71