---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13795 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 639 10440 4 4908 15007 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:94:bd:39 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.249/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84580sec preferred_lft 84580sec inet6 fe80::f816:3eff:fe94:bd39/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:a1:53:9f:b5:d5 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-13795) 02/18/26 _x86_64_ (4 CPU) 12:29:28 LINUX RESTART (4 CPU) 12:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:40:01 59.22 10.14 34.73 14.35 1547.02 5994.86 245471.31 12:50:12 3.20 0.07 3.02 0.11 6.75 452.35 15.70 Average: 30.99 5.07 18.75 7.18 770.89 3202.04 121788.47 12:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:40:01 9692884 12705344 3257416 19.89 113240 3068008 3553116 20.39 549876 5800540 632 12:50:12 9425440 12566468 3395248 20.74 117584 3182388 3553640 20.40 577976 6017236 68 Average: 9559162 12635906 3326332 20.32 115412 3125198 3553378 20.40 563926 5908888 350 12:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:40:01 lo 0.47 0.47 0.05 0.05 0.00 0.00 0.00 0.00 12:40:01 ens3 105.50 79.01 1020.33 15.01 0.00 0.00 0.00 0.00 12:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:12 lo 0.54 0.54 0.36 0.36 0.00 0.00 0.00 0.00 12:50:12 ens3 7.88 6.39 35.09 1.46 0.00 0.00 0.00 0.00 12:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.51 0.51 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 56.31 42.42 523.88 8.18 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-13795) 02/18/26 _x86_64_ (4 CPU) 12:29:28 LINUX RESTART (4 CPU) 12:30:00 CPU %user %nice %system %iowait %steal %idle 12:40:01 all 42.19 0.00 1.17 2.42 0.20 54.02 12:40:01 0 44.55 0.00 1.12 0.92 0.28 53.13 12:40:01 1 45.87 0.00 1.20 1.37 0.29 51.27 12:40:01 2 38.54 0.00 1.19 3.35 0.10 56.83 12:40:01 3 39.80 0.00 1.19 4.05 0.12 54.84 12:50:12 all 48.11 0.00 0.57 0.20 0.11 51.01 12:50:12 0 75.32 0.00 0.71 0.03 0.13 23.81 12:50:12 1 40.16 0.00 0.64 0.41 0.11 58.69 12:50:12 2 42.03 0.00 0.54 0.03 0.09 57.32 12:50:12 3 34.93 0.00 0.41 0.32 0.12 64.22 Average: all 45.18 0.00 0.87 1.30 0.15 52.50 Average: 0 60.07 0.00 0.91 0.47 0.20 38.34 Average: 1 42.99 0.00 0.92 0.89 0.20 55.01 Average: 2 40.30 0.00 0.86 1.67 0.09 57.08 Average: 3 37.34 0.00 0.80 2.16 0.12 59.57