---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10837 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 67G 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 677 10364 4 4947 14969 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:e9:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84717sec preferred_lft 84717sec inet6 fe80::f816:3eff:fe04:e94b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:cd:5b:11:a9:0c 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-10837) 02/15/26 _x86_64_ (4 CPU) 20:16:38 LINUX RESTART (4 CPU) 20:20:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:30:01 15.81 2.40 12.27 1.15 553.15 3274.90 8063.28 20:40:00 27.87 0.96 23.66 3.25 30.82 4498.96 10892.67 Average: 21.97 1.66 18.09 2.22 286.42 3899.96 9508.10 20:20:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:30:01 10660660 14039872 1919920 11.73 130908 3378572 2213732 12.71 684752 4649940 23604 20:40:00 8607212 13248424 2701984 16.50 172644 4501720 2804056 16.10 1028244 6258244 35504 Average: 9633936 13644148 2310952 14.11 151776 3940146 2508894 14.40 856498 5454092 29554 20:20:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:30:01 lo 1.14 1.14 0.12 0.12 0.00 0.00 0.00 0.00 20:30:01 ens3 111.40 83.91 763.28 19.86 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:00 lo 1521.56 1521.56 1449.89 1449.89 0.00 0.00 0.00 0.00 20:40:00 ens3 86.19 64.51 459.19 16.04 0.00 0.00 0.00 0.00 20:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 777.54 777.54 740.44 740.44 0.00 0.00 0.00 0.00 Average: ens3 98.53 74.00 608.00 17.91 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-10837) 02/15/26 _x86_64_ (4 CPU) 20:16:38 LINUX RESTART (4 CPU) 20:20:28 CPU %user %nice %system %iowait %steal %idle 20:30:01 all 57.01 0.00 1.96 0.21 0.09 40.73 20:30:01 0 56.37 0.00 1.80 0.07 0.09 41.68 20:30:01 1 57.89 0.00 1.92 0.09 0.09 40.01 20:30:01 2 58.65 0.00 2.16 0.46 0.09 38.65 20:30:01 3 55.13 0.00 1.98 0.23 0.09 42.57 20:40:00 all 70.41 0.00 2.69 0.11 0.09 26.69 20:40:00 0 69.14 0.00 2.55 0.13 0.09 28.08 20:40:00 1 69.18 0.00 2.52 0.08 0.10 28.12 20:40:00 2 69.54 0.00 2.43 0.08 0.09 27.85 20:40:00 3 73.76 0.00 3.28 0.15 0.10 22.71 Average: all 63.85 0.00 2.34 0.16 0.09 33.56 Average: 0 62.89 0.00 2.18 0.10 0.09 34.74 Average: 1 63.66 0.00 2.22 0.08 0.09 33.94 Average: 2 64.21 0.00 2.30 0.27 0.09 33.13 Average: 3 64.65 0.00 2.64 0.19 0.09 32.42