---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20837 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 15% / 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 706 9827 4 5455 14940 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:39:4b:3d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.125/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84526sec preferred_lft 84526sec inet6 fe80::f816:3eff:fe39:4b3d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:f3:0f:b6:5c:96 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-20837) 02/26/26 _x86_64_ (4 CPU) 06:26:30 LINUX RESTART (4 CPU) 06:30:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 28.52 2.68 23.83 2.02 150.86 4917.67 6827.93 06:50:21 32.70 0.06 29.20 3.43 1.46 5804.73 12751.42 Average: 30.67 1.33 26.60 2.75 73.79 5375.25 9883.51 06:30:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9303236 13056460 2900280 17.71 156232 3684748 3170752 18.20 726440 5926876 179300 06:50:21 7953156 12925288 3024732 18.47 187392 4805964 3372576 19.36 1008784 6915476 23280 Average: 8628196 12990874 2962506 18.09 171812 4245356 3271664 18.78 867612 6421176 101290 06:30:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 954.45 954.45 909.37 909.37 0.00 0.00 0.00 0.00 06:40:01 ens3 100.82 82.99 778.10 18.40 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:21 lo 1231.46 1231.46 1172.77 1172.77 0.00 0.00 0.00 0.00 06:50:21 ens3 52.24 42.21 209.82 12.44 0.00 0.00 0.00 0.00 06:50:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1097.34 1097.34 1045.24 1045.24 0.00 0.00 0.00 0.00 Average: ens3 75.76 61.95 484.96 15.33 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-20837) 02/26/26 _x86_64_ (4 CPU) 06:26:30 LINUX RESTART (4 CPU) 06:30:19 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 66.05 0.00 2.24 0.10 0.11 31.49 06:40:01 0 64.12 0.00 2.10 0.08 0.11 33.58 06:40:01 1 65.11 0.00 2.50 0.15 0.11 32.13 06:40:01 2 67.57 0.00 2.39 0.11 0.11 29.82 06:40:01 3 67.41 0.00 2.00 0.05 0.12 30.42 06:50:21 all 57.37 0.00 2.28 0.16 0.10 40.08 06:50:21 0 59.79 0.00 2.30 0.17 0.10 37.64 06:50:21 1 53.78 0.00 2.20 0.16 0.10 43.75 06:50:21 2 57.27 0.00 2.28 0.10 0.11 40.25 06:50:21 3 58.65 0.00 2.37 0.19 0.10 38.69 Average: all 61.58 0.00 2.27 0.13 0.11 35.92 Average: 0 61.89 0.00 2.20 0.13 0.11 35.67 Average: 1 59.26 0.00 2.34 0.16 0.11 38.13 Average: 2 62.26 0.00 2.33 0.11 0.11 35.20 Average: 3 62.89 0.00 2.19 0.12 0.11 34.69