---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11406 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 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 656 9170 4 6161 14990 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:4d:f8:3e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.248/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84594sec preferred_lft 84594sec inet6 fe80::f816:3eff:fe4d:f83e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:01:3e:3f:a3:62 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-11406) 02/17/26 _x86_64_ (4 CPU) 01:06:29 LINUX RESTART (4 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 23.83 0.90 19.48 3.45 623.08 3117.16 55662.53 01:30:06 23.42 0.16 20.00 3.26 5.01 1852.91 23390.57 Average: 23.62 0.53 19.74 3.35 312.85 2482.59 39464.01 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9432500 13140804 2817020 17.21 133756 3692844 3100148 17.79 876908 5672148 512 01:30:06 8651876 12879548 3074840 18.78 155128 4155996 3219720 18.48 1028092 6259128 128660 Average: 9042188 13010176 2945930 17.99 144442 3924420 3159934 18.14 952500 5965638 64586 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 29.91 29.91 6.86 6.86 0.00 0.00 0.00 0.00 01:20:01 ens3 30.65 22.09 224.25 5.47 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:06 lo 1456.61 1456.61 1364.55 1364.55 0.00 0.00 0.00 0.00 01:30:06 ens3 50.44 36.56 262.67 9.02 0.00 0.00 0.00 0.00 01:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 746.02 746.02 688.34 688.34 0.00 0.00 0.00 0.00 Average: ens3 40.58 29.36 243.53 7.25 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-11406) 02/17/26 _x86_64_ (4 CPU) 01:06:29 LINUX RESTART (4 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 32.53 0.00 1.14 0.14 0.09 66.09 01:20:01 0 32.18 0.00 1.00 0.08 0.09 66.64 01:20:01 1 33.79 0.00 1.22 0.10 0.10 64.80 01:20:01 2 32.14 0.00 1.09 0.27 0.10 66.40 01:20:01 3 32.01 0.00 1.27 0.10 0.09 66.53 01:30:06 all 34.70 0.00 1.74 0.05 0.09 63.41 01:30:06 0 34.23 0.00 1.59 0.03 0.09 64.06 01:30:06 1 34.65 0.00 2.06 0.05 0.10 63.14 01:30:06 2 35.48 0.00 1.74 0.10 0.09 62.59 01:30:06 3 34.45 0.00 1.56 0.02 0.09 63.87 Average: all 33.62 0.00 1.44 0.10 0.09 64.75 Average: 0 33.21 0.00 1.29 0.06 0.09 65.35 Average: 1 34.22 0.00 1.64 0.07 0.10 63.97 Average: 2 33.82 0.00 1.42 0.19 0.09 64.48 Average: 3 33.23 0.00 1.41 0.06 0.09 65.20