---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8184 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: 5600.00 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 665 8724 4 6599 14981 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:fe:c2:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84617sec preferred_lft 84617sec inet6 fe80::f816:3eff:fefe:c2a1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:de:1a:99:cf:f9 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-8184) 02/06/26 _x86_64_ (4 CPU) 08:22:18 LINUX RESTART (4 CPU) 08:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:00 25.69 0.01 22.74 2.94 0.21 2203.05 6945.51 08:50:01 34.70 0.03 19.13 15.55 0.61 3971.37 252746.86 Average: 30.20 0.02 20.93 9.25 0.41 3088.74 130058.17 08:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:00 9397464 13297044 2659392 16.24 145036 3866536 2844404 16.33 917432 5641516 25592 08:50:01 8330612 13152284 2800460 17.10 157572 4739340 2964784 17.02 1195224 6380020 1640 Average: 8864038 13224664 2729926 16.67 151304 4302938 2904594 16.67 1056328 6010768 13616 08:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:00 lo 1294.16 1294.16 1232.28 1232.28 0.00 0.00 0.00 0.00 08:40:00 ens3 26.82 22.21 14.92 7.11 0.00 0.00 0.00 0.00 08:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 lo 928.83 928.83 7484.25 7484.25 0.00 0.00 0.00 0.00 08:50:01 ens3 17.08 14.82 30.53 5.12 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1111.18 1111.18 4363.66 4363.66 0.00 0.00 0.00 0.00 Average: ens3 21.94 18.51 22.74 6.12 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-8184) 02/06/26 _x86_64_ (4 CPU) 08:22:18 LINUX RESTART (4 CPU) 08:30:01 CPU %user %nice %system %iowait %steal %idle 08:40:00 all 64.96 0.00 2.35 0.57 0.10 32.02 08:40:00 0 63.33 0.00 2.33 0.34 0.10 33.90 08:40:00 1 65.27 0.00 2.58 1.21 0.10 30.83 08:40:00 2 66.42 0.00 2.09 0.41 0.10 30.97 08:40:00 3 64.82 0.00 2.40 0.32 0.11 32.36 08:50:01 all 49.48 0.00 1.80 0.15 0.10 48.48 08:50:01 0 45.63 0.00 1.83 0.13 0.10 52.32 08:50:01 1 46.81 0.00 1.52 0.02 0.09 51.56 08:50:01 2 54.32 0.00 1.84 0.31 0.10 43.43 08:50:01 3 51.17 0.00 2.00 0.13 0.10 46.61 Average: all 57.20 0.00 2.07 0.36 0.10 40.27 Average: 0 54.46 0.00 2.08 0.23 0.10 43.13 Average: 1 56.02 0.00 2.05 0.61 0.10 41.23 Average: 2 60.36 0.00 1.96 0.36 0.10 37.22 Average: 3 57.98 0.00 2.20 0.22 0.10 39.50