---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7944 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 663 8837 4 6488 14983 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:44:84:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84580sec preferred_lft 84580sec inet6 fe80::f816:3eff:fe44:84ec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:4c:7f:54:37:ab 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-7944) 02/05/26 _x86_64_ (4 CPU) 15:12:33 LINUX RESTART (4 CPU) 15:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:30:04 26.71 0.02 23.61 3.08 0.32 2142.03 16498.91 15:40:04 21.72 0.02 19.75 1.94 0.48 4099.45 10217.58 Average: 24.22 0.02 21.68 2.51 0.40 3118.47 13365.53 15:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:30:04 9414772 13132496 2824816 17.25 143044 3692712 2952636 16.95 847804 5710152 31656 15:40:04 5495168 10157800 5795436 35.40 155740 4584016 5571936 31.98 1125592 9287972 516 Average: 7454970 11645148 4310126 26.32 149392 4138364 4262286 24.47 986698 7499062 16086 15:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:30:04 lo 1505.62 1505.62 1429.16 1429.16 0.00 0.00 0.00 0.00 15:30:04 ens3 23.15 20.44 11.68 6.86 0.00 0.00 0.00 0.00 15:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:04 lo 857.30 857.30 5239.77 5239.77 0.00 0.00 0.00 0.00 15:40:04 ens3 20.38 17.31 23.42 5.67 0.00 0.00 0.00 0.00 15:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1182.21 1182.21 3330.04 3330.04 0.00 0.00 0.00 0.00 Average: ens3 21.77 18.88 17.54 6.26 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-7944) 02/05/26 _x86_64_ (4 CPU) 15:12:33 LINUX RESTART (4 CPU) 15:20:01 CPU %user %nice %system %iowait %steal %idle 15:30:04 all 64.65 0.00 2.53 0.17 0.14 32.51 15:30:04 0 64.28 0.00 2.31 0.10 0.14 33.18 15:30:04 1 63.64 0.00 2.73 0.17 0.14 33.31 15:30:04 2 64.70 0.00 2.78 0.09 0.14 32.29 15:30:04 3 65.96 0.00 2.29 0.34 0.14 31.27 15:40:04 all 51.70 0.00 1.93 0.25 0.12 45.99 15:40:04 0 53.07 0.00 2.05 0.11 0.13 44.64 15:40:04 1 46.67 0.00 1.92 0.50 0.12 50.79 15:40:04 2 49.58 0.00 1.86 0.19 0.12 48.24 15:40:04 3 57.47 0.00 1.88 0.21 0.12 40.31 Average: all 58.19 0.00 2.23 0.21 0.13 39.24 Average: 0 58.68 0.00 2.18 0.10 0.14 38.90 Average: 1 55.18 0.00 2.33 0.34 0.13 42.03 Average: 2 57.16 0.00 2.32 0.14 0.13 40.25 Average: 3 61.73 0.00 2.08 0.28 0.13 35.78