---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22564 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 11G 68G 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 695 10542 4 4751 14951 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:94:5d:cc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.51/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84602sec preferred_lft 84602sec inet6 fe80::f816:3eff:fe94:5dcc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:54:9d:b9:7d:a3 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-22564) 02/26/26 _x86_64_ (4 CPU) 21:24:58 LINUX RESTART (4 CPU) 21:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:40:00 12.70 2.05 9.73 0.92 132.52 2870.80 2647.04 21:50:00 27.37 0.80 23.17 3.40 23.99 4445.85 3431.55 Average: 20.04 1.43 16.45 2.16 78.25 3658.33 3039.29 21:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:40:00 10452668 13678388 2281896 13.94 129600 3224908 2568924 14.75 563064 4964036 41084 21:50:00 8718708 13195476 2755560 16.83 170348 4340928 2853540 16.38 899892 6276440 67908 Average: 9585688 13436932 2518728 15.38 149974 3782918 2711232 15.56 731478 5620238 54496 21:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:40:00 lo 1.24 1.24 0.13 0.13 0.00 0.00 0.00 0.00 21:40:00 ens3 89.64 72.70 633.43 18.16 0.00 0.00 0.00 0.00 21:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:50:00 lo 1593.15 1593.15 1517.28 1517.28 0.00 0.00 0.00 0.00 21:50:00 ens3 92.75 68.92 426.88 17.87 0.00 0.00 0.00 0.00 21:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 797.20 797.20 758.71 758.71 0.00 0.00 0.00 0.00 Average: ens3 91.20 70.81 530.15 18.01 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-22564) 02/26/26 _x86_64_ (4 CPU) 21:24:58 LINUX RESTART (4 CPU) 21:30:00 CPU %user %nice %system %iowait %steal %idle 21:40:00 all 63.87 0.00 2.23 0.05 0.09 33.75 21:40:00 0 63.73 0.00 2.08 0.02 0.10 34.08 21:40:00 1 63.09 0.00 2.20 0.13 0.09 34.48 21:40:00 2 66.03 0.00 2.40 0.04 0.09 31.44 21:40:00 3 62.62 0.00 2.24 0.03 0.09 35.01 21:50:00 all 69.89 0.00 2.86 0.08 0.09 27.08 21:50:00 0 69.94 0.00 3.23 0.10 0.10 26.63 21:50:00 1 67.58 0.00 2.63 0.05 0.09 29.64 21:50:00 2 72.15 0.00 3.03 0.10 0.10 24.62 21:50:00 3 69.89 0.00 2.52 0.07 0.09 27.42 Average: all 66.88 0.00 2.54 0.07 0.09 30.42 Average: 0 66.83 0.00 2.66 0.06 0.10 30.35 Average: 1 65.34 0.00 2.42 0.09 0.09 32.06 Average: 2 69.09 0.00 2.72 0.07 0.10 28.03 Average: 3 66.26 0.00 2.38 0.05 0.09 31.22