---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8474 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 13G 66G 16% / 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 682 8173 4 7133 14964 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:15:e4:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84560sec preferred_lft 84560sec inet6 fe80::f816:3eff:fe15:e4bd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:b0:db:9f:a5:b7 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 inet6 fe80::ecb0:dbff:fe9f:a5b7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-8474) 02/07/26 _x86_64_ (4 CPU) 12:37:10 LINUX RESTART (4 CPU) 12:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:00 37.25 0.75 19.56 16.93 419.22 3126.26 300830.10 13:00:00 24.61 0.16 21.13 3.31 5.04 1901.62 23749.16 Average: 30.93 0.46 20.35 10.12 212.11 2513.89 162278.08 12:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:00 9472596 13007844 2950276 18.02 127276 3536496 3201128 18.37 791716 5715332 664 13:00:00 9103220 13057344 2897024 17.69 149200 3902388 2970680 17.05 935344 5900840 27292 Average: 9287908 13032594 2923650 17.86 138238 3719442 3085904 17.71 863530 5808086 13978 12:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:00 lo 31.67 31.67 7.46 7.46 0.00 0.00 0.00 0.00 12:50:00 ens3 27.61 19.62 247.00 4.59 0.00 0.00 0.00 0.00 12:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:00 lo 1356.67 1356.67 1268.65 1268.65 0.00 0.00 0.00 0.00 13:00:00 ens3 33.09 23.88 260.27 5.14 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 694.23 694.23 638.11 638.11 0.00 0.00 0.00 0.00 Average: ens3 30.35 21.75 253.64 4.87 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-8474) 02/07/26 _x86_64_ (4 CPU) 12:37:10 LINUX RESTART (4 CPU) 12:40:00 CPU %user %nice %system %iowait %steal %idle 12:50:00 all 33.60 0.00 1.39 0.26 0.11 64.64 12:50:00 0 32.89 0.00 1.25 0.22 0.12 65.52 12:50:00 1 33.74 0.00 1.41 0.21 0.12 64.53 12:50:00 2 33.35 0.00 1.37 0.38 0.11 64.79 12:50:00 3 34.43 0.00 1.51 0.22 0.12 63.72 13:00:00 all 34.51 0.00 1.82 0.11 0.11 63.46 13:00:00 0 34.64 0.00 1.66 0.18 0.12 63.41 13:00:00 1 33.88 0.00 1.91 0.04 0.11 64.05 13:00:00 2 35.12 0.00 1.97 0.09 0.11 62.70 13:00:00 3 34.38 0.00 1.72 0.12 0.12 63.66 Average: all 34.05 0.00 1.60 0.18 0.11 64.05 Average: 0 33.76 0.00 1.45 0.20 0.12 64.47 Average: 1 33.81 0.00 1.66 0.13 0.11 64.29 Average: 2 34.23 0.00 1.67 0.24 0.11 63.75 Average: 3 34.41 0.00 1.61 0.17 0.12 63.69