---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7057 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 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 655 8734 4 6599 14991 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:a4:cc:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84633sec preferred_lft 84633sec inet6 fe80::f816:3eff:fea4:cc13/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:46:b3:e5:13:41 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-7057) 02/02/26 _x86_64_ (4 CPU) 14:03:53 LINUX RESTART (4 CPU) 14:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:05 27.03 0.02 24.06 2.95 0.36 2343.84 8248.98 14:30:16 22.36 0.02 20.17 2.17 0.44 4070.10 8681.30 Average: 24.67 0.02 22.09 2.56 0.40 3216.69 8467.57 14:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:05 9462836 13340008 2615576 15.97 146796 3831096 3092988 17.75 871004 5626516 89296 14:30:16 5626180 10402068 5549484 33.89 159656 4677576 5416712 31.09 1155320 9119396 536 Average: 7544508 11871038 4082530 24.93 153226 4254336 4254850 24.42 1013162 7372956 44916 14:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:05 lo 1457.02 1457.02 1382.11 1382.11 0.00 0.00 0.00 0.00 14:20:05 ens3 20.94 18.69 10.54 6.43 0.00 0.00 0.00 0.00 14:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:16 lo 854.47 854.47 5152.21 5152.21 0.00 0.00 0.00 0.00 14:30:16 ens3 19.99 17.38 23.84 5.81 0.00 0.00 0.00 0.00 14:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1152.36 1152.36 3288.38 3288.38 0.00 0.00 0.00 0.00 Average: ens3 20.46 18.03 17.26 6.12 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-7057) 02/02/26 _x86_64_ (4 CPU) 14:03:53 LINUX RESTART (4 CPU) 14:10:06 CPU %user %nice %system %iowait %steal %idle 14:20:05 all 65.98 0.00 2.43 0.09 0.12 31.37 14:20:05 0 64.99 0.00 2.76 0.14 0.12 31.99 14:20:05 1 65.49 0.00 2.38 0.07 0.12 31.94 14:20:05 2 65.84 0.00 2.28 0.03 0.12 31.73 14:20:05 3 67.62 0.00 2.32 0.12 0.11 29.83 14:30:16 all 53.16 0.00 1.98 0.17 0.11 44.58 14:30:16 0 50.22 0.00 1.96 0.20 0.11 47.52 14:30:16 1 53.86 0.00 1.92 0.15 0.11 43.95 14:30:16 2 53.76 0.00 2.29 0.13 0.11 43.71 14:30:16 3 54.82 0.00 1.74 0.21 0.11 43.13 Average: all 59.50 0.00 2.20 0.13 0.11 38.05 Average: 0 57.51 0.00 2.35 0.17 0.11 39.85 Average: 1 59.61 0.00 2.15 0.11 0.12 38.01 Average: 2 59.74 0.00 2.29 0.08 0.11 37.78 Average: 3 61.14 0.00 2.02 0.17 0.11 36.55