---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13719 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 646 10273 4 5069 15000 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:72:d1:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84701sec preferred_lft 84701sec inet6 fe80::f816:3eff:fe72:d1df/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:40:54:ec:c0:38 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-13719) 02/18/26 _x86_64_ (4 CPU) 09:56:23 LINUX RESTART (4 CPU) 10:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 10.40 0.85 8.78 0.76 639.31 1910.99 15364.47 10:20:02 6.18 0.39 5.53 0.26 12.04 706.87 77.83 Average: 8.28 0.62 7.15 0.51 324.43 1306.55 7690.84 10:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 8528872 11826372 4135116 25.26 119176 3338168 4346624 24.95 690896 6796392 952 10:20:02 8964820 12911392 3046288 18.61 136180 3934148 3206684 18.41 783096 6227312 455868 Average: 8746846 12368882 3590702 21.93 127678 3636158 3776654 21.68 736996 6511852 228410 10:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 0.70 0.70 0.40 0.40 0.00 0.00 0.00 0.00 10:10:01 ens3 32.19 22.67 352.23 3.49 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:02 lo 95.68 95.68 90.72 90.72 0.00 0.00 0.00 0.00 10:20:02 ens3 29.86 20.65 377.49 2.96 0.00 0.00 0.00 0.00 10:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 48.38 48.38 45.74 45.74 0.00 0.00 0.00 0.00 Average: ens3 31.02 21.65 364.91 3.22 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-13719) 02/18/26 _x86_64_ (4 CPU) 09:56:23 LINUX RESTART (4 CPU) 10:00:04 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 51.48 0.00 0.94 0.37 0.11 47.09 10:10:01 0 44.29 0.00 0.96 0.40 0.11 54.24 10:10:01 1 57.25 0.00 0.77 0.29 0.10 41.59 10:10:01 2 53.97 0.00 0.95 0.44 0.10 44.54 10:10:01 3 50.43 0.00 1.08 0.37 0.11 48.01 10:20:02 all 49.70 0.00 0.78 0.07 0.10 49.35 10:20:02 0 63.49 0.00 0.80 0.04 0.11 35.56 10:20:02 1 38.06 0.00 0.73 0.07 0.09 61.05 10:20:02 2 50.92 0.00 0.96 0.16 0.10 47.86 10:20:02 3 46.36 0.00 0.62 0.03 0.12 52.88 Average: all 50.59 0.00 0.86 0.22 0.11 48.22 Average: 0 53.93 0.00 0.88 0.22 0.11 44.86 Average: 1 47.60 0.00 0.75 0.18 0.10 51.37 Average: 2 52.44 0.00 0.96 0.30 0.10 46.21 Average: 3 48.39 0.00 0.85 0.20 0.12 50.45