---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20938 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 643 8630 4 6715 15003 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:48:57:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.172/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84348sec preferred_lft 84348sec inet6 fe80::f816:3eff:fe48:57e9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:4e:ab:b9:67:2d 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-20938) 02/26/26 _x86_64_ (4 CPU) 10:30:20 LINUX RESTART (4 CPU) 10:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:01 39.75 11.95 24.91 2.89 132.36 2311.96 18879.81 11:00:08 22.27 0.14 19.70 2.43 6.50 8906.57 8358.77 Average: 30.94 5.99 22.28 2.66 68.90 5637.19 13574.74 10:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:01 8943476 12960204 2993696 18.28 158388 3942876 3031088 17.40 940004 6059496 17600 11:00:08 8855072 15370280 576172 3.52 182992 6332288 1116008 6.41 1796464 5191452 26388 Average: 8899274 14165242 1784934 10.90 170690 5137582 2073548 11.90 1368234 5625474 21994 10:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:01 lo 1269.19 1269.19 1208.39 1208.39 0.00 0.00 0.00 0.00 10:50:01 ens3 34.65 29.41 23.04 10.77 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:08 lo 702.60 702.60 7205.88 7205.88 0.00 0.00 0.00 0.00 11:00:08 ens3 40.86 34.34 107.93 34.09 0.00 0.00 0.00 0.00 11:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 983.50 983.50 4232.53 4232.53 0.00 0.00 0.00 0.00 Average: ens3 37.78 31.90 65.84 22.53 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-20938) 02/26/26 _x86_64_ (4 CPU) 10:30:20 LINUX RESTART (4 CPU) 10:40:04 CPU %user %nice %system %iowait %steal %idle 10:50:01 all 66.17 0.07 2.37 0.09 0.10 31.19 10:50:01 0 66.56 0.02 2.08 0.07 0.11 31.18 10:50:01 1 64.67 0.27 2.64 0.17 0.10 32.15 10:50:01 2 67.10 0.00 2.38 0.06 0.10 30.36 10:50:01 3 66.35 0.00 2.39 0.07 0.10 31.09 11:00:08 all 43.88 0.00 1.67 0.15 0.09 54.22 11:00:08 0 47.03 0.00 1.63 0.07 0.09 51.18 11:00:08 1 35.91 0.00 1.88 0.26 0.09 61.85 11:00:08 2 48.44 0.00 1.48 0.06 0.08 49.94 11:00:08 3 44.16 0.00 1.67 0.20 0.08 53.88 Average: all 54.93 0.04 2.02 0.12 0.09 42.81 Average: 0 56.71 0.01 1.85 0.07 0.10 41.27 Average: 1 50.15 0.13 2.26 0.21 0.10 47.15 Average: 2 57.69 0.00 1.93 0.06 0.09 40.24 Average: 3 55.16 0.00 2.03 0.14 0.09 42.58