---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10292 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 602 10305 4 5081 15044 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:fb:cc:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.208/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84711sec preferred_lft 84711sec inet6 fe80::f816:3eff:fefb:ccc1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:36:9f:42:6c:b2 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-10292) 02/14/26 _x86_64_ (4 CPU) 00:25:26 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:08 20.50 0.65 6.49 13.36 610.71 1271.47 251280.20 00:50:08 14.27 0.53 12.88 0.86 19.52 1933.40 4914.68 Average: 17.40 0.59 9.66 7.14 316.80 1600.55 128798.65 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:08 8154840 11429176 4532932 27.69 117696 3317268 4672884 26.82 705624 7159588 492 00:50:08 8782708 12779144 3178628 19.41 136668 3981200 3371948 19.35 920372 6283124 276660 Average: 8468774 12104160 3855780 23.55 127182 3649234 4022416 23.09 812998 6721356 138576 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:08 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 00:40:08 ens3 27.62 19.05 219.51 3.90 0.00 0.00 0.00 0.00 00:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:08 lo 327.62 327.62 311.93 311.93 0.00 0.00 0.00 0.00 00:50:08 ens3 37.04 26.20 410.02 4.38 0.00 0.00 0.00 0.00 00:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 163.19 163.19 155.27 155.27 0.00 0.00 0.00 0.00 Average: ens3 32.31 22.60 314.22 4.14 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-10292) 02/14/26 _x86_64_ (4 CPU) 00:25:26 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:08 all 47.67 0.00 0.75 0.08 0.08 51.43 00:40:08 0 39.32 0.00 0.79 0.05 0.08 59.76 00:40:08 1 43.23 0.00 0.59 0.04 0.08 56.06 00:40:08 2 53.65 0.00 0.70 0.10 0.08 45.48 00:40:08 3 54.45 0.00 0.91 0.11 0.08 44.45 00:50:08 all 58.11 0.00 1.07 0.04 0.08 40.70 00:50:08 0 47.27 0.00 0.89 0.04 0.08 51.72 00:50:08 1 49.05 0.00 1.17 0.03 0.08 49.67 00:50:08 2 58.38 0.00 1.16 0.05 0.08 40.34 00:50:08 3 77.75 0.00 1.06 0.04 0.09 21.07 Average: all 52.86 0.00 0.91 0.06 0.08 46.10 Average: 0 43.28 0.00 0.84 0.05 0.08 55.76 Average: 1 46.13 0.00 0.88 0.03 0.08 52.88 Average: 2 56.00 0.00 0.92 0.07 0.08 42.93 Average: 3 66.02 0.00 0.99 0.07 0.08 32.84