---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7652 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 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 637 10462 4 4889 15009 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:04:9e:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84567sec preferred_lft 84567sec inet6 fe80::f816:3eff:fe04:9eb8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:58:93:1e:92:6d 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-7652) 02/04/26 _x86_64_ (4 CPU) 12:31:09 LINUX RESTART (4 CPU) 12:40:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:21 11.67 0.48 10.11 1.08 15.28 2497.55 2779.69 13:00:00 28.44 0.60 23.94 3.90 21.66 3796.13 3983.74 Average: 19.97 0.54 16.96 2.47 18.44 3140.51 3375.85 12:40:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:21 9888604 13597128 2358932 14.41 147896 3658824 2906896 16.69 779760 5287424 18964 13:00:00 10747892 15393152 556708 3.40 170116 4513608 1095204 6.29 1031976 4095468 128 Average: 10318248 14495140 1457820 8.90 159006 4086216 2001050 11.49 905868 4691446 9546 12:40:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:21 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 12:50:21 ens3 67.39 51.92 141.80 17.08 0.00 0.00 0.00 0.00 12:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:00 lo 1608.79 1608.79 1522.31 1522.31 0.00 0.00 0.00 0.00 13:00:00 ens3 107.56 94.29 423.96 164.42 0.00 0.00 0.00 0.00 13:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 797.25 797.25 753.80 753.80 0.00 0.00 0.00 0.00 Average: ens3 87.28 72.90 281.50 90.03 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-7652) 02/04/26 _x86_64_ (4 CPU) 12:31:09 LINUX RESTART (4 CPU) 12:40:31 CPU %user %nice %system %iowait %steal %idle 12:50:21 all 72.46 0.00 2.24 0.81 0.14 24.34 12:50:21 0 68.60 0.00 1.94 1.14 0.14 28.18 12:50:21 1 72.73 0.00 2.10 0.42 0.15 24.61 12:50:21 2 75.78 0.00 2.86 1.15 0.14 20.08 12:50:21 3 72.75 0.00 2.07 0.55 0.14 24.48 13:00:00 all 45.02 0.00 2.02 0.17 0.09 52.69 13:00:00 0 44.17 0.00 1.99 0.28 0.09 53.47 13:00:00 1 46.17 0.00 2.24 0.22 0.09 51.28 13:00:00 2 45.23 0.00 2.22 0.11 0.09 52.36 13:00:00 3 44.53 0.00 1.64 0.08 0.09 53.67 Average: all 58.85 0.00 2.13 0.49 0.12 38.41 Average: 0 56.48 0.00 1.96 0.71 0.12 40.73 Average: 1 59.55 0.00 2.17 0.32 0.12 37.84 Average: 2 60.61 0.00 2.54 0.63 0.11 36.10 Average: 3 58.75 0.00 1.85 0.32 0.12 38.96