---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20936 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 659 8931 4 6397 14986 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:91:e8:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84372sec preferred_lft 84372sec inet6 fe80::f816:3eff:fe91:e814/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:b5:1d:d2:16:35 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-20936) 02/26/26 _x86_64_ (4 CPU) 10:15:10 LINUX RESTART (4 CPU) 10:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:00 25.51 0.10 22.51 2.89 8.07 2429.87 5266.55 10:40:01 31.34 0.03 28.14 3.17 0.59 4788.68 7368.53 Average: 28.42 0.07 25.33 3.03 4.33 3609.28 6317.55 10:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:00 9451748 13008792 2948784 18.01 143740 3528864 3012712 17.29 706608 5802324 13984 10:40:01 7638408 12246172 3707048 22.64 160420 4517204 3702136 21.25 995808 7279916 5676 Average: 8545078 12627482 3327916 20.33 152080 4023034 3357424 19.27 851208 6541120 9830 10:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:00 lo 1357.60 1357.60 1286.90 1286.90 0.00 0.00 0.00 0.00 10:30:00 ens3 46.86 37.87 30.89 12.88 0.00 0.00 0.00 0.00 10:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 1771.74 1771.74 1684.73 1684.73 0.00 0.00 0.00 0.00 10:40:01 ens3 43.77 34.20 42.56 12.19 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1564.67 1564.67 1485.81 1485.81 0.00 0.00 0.00 0.00 Average: ens3 45.31 36.03 36.73 12.53 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-20936) 02/26/26 _x86_64_ (4 CPU) 10:15:10 LINUX RESTART (4 CPU) 10:20:00 CPU %user %nice %system %iowait %steal %idle 10:30:00 all 64.69 0.00 2.33 0.05 0.10 32.84 10:30:00 0 63.36 0.00 2.27 0.07 0.10 34.21 10:30:00 1 65.08 0.00 2.26 0.04 0.10 32.52 10:30:00 2 63.96 0.00 2.09 0.03 0.10 33.82 10:30:00 3 66.38 0.00 2.68 0.06 0.10 30.79 10:40:01 all 55.92 0.00 2.51 2.80 0.11 38.65 10:40:01 0 54.16 0.00 2.49 4.31 0.11 38.93 10:40:01 1 57.23 0.00 2.63 1.13 0.11 38.90 10:40:01 2 55.61 0.00 2.38 0.45 0.11 41.45 10:40:01 3 56.70 0.00 2.53 5.33 0.12 35.33 Average: all 60.31 0.00 2.42 1.43 0.10 35.74 Average: 0 58.76 0.00 2.38 2.19 0.10 36.57 Average: 1 61.15 0.00 2.44 0.59 0.10 35.71 Average: 2 59.79 0.00 2.24 0.24 0.10 37.63 Average: 3 61.54 0.00 2.60 2.69 0.11 33.06