---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7869 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 673 8765 4 6550 14973 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:af:3d:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84596sec preferred_lft 84596sec inet6 fe80::f816:3eff:feaf:3da0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:0b:b0:16:0f:49 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-7869) 02/05/26 _x86_64_ (4 CPU) 09:13:18 LINUX RESTART (4 CPU) 09:20:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 27.19 0.02 23.69 3.48 0.34 2187.78 15412.60 09:40:08 21.49 0.02 19.46 2.01 0.46 4064.22 8405.16 Average: 24.30 0.02 21.55 2.73 0.40 3137.59 11865.58 09:20:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 9300044 13051976 2903848 17.74 145280 3724120 2831672 16.25 834428 5839776 11344 09:40:08 5442128 10196608 5755156 35.15 157960 4671232 5387160 30.92 1117888 9356212 168 Average: 7371086 11624292 4329502 26.44 151620 4197676 4109416 23.59 976158 7597994 5756 09:20:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 1519.49 1519.49 1442.40 1442.40 0.00 0.00 0.00 0.00 09:30:01 ens3 24.98 20.78 11.15 7.01 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:08 lo 778.64 778.64 4978.98 4978.98 0.00 0.00 0.00 0.00 09:40:08 ens3 21.02 17.35 24.06 5.99 0.00 0.00 0.00 0.00 09:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1144.49 1144.49 3232.55 3232.55 0.00 0.00 0.00 0.00 Average: ens3 22.97 19.04 17.69 6.49 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-7869) 02/05/26 _x86_64_ (4 CPU) 09:13:18 LINUX RESTART (4 CPU) 09:20:08 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 66.10 0.00 2.44 0.35 0.13 30.98 09:30:01 0 66.81 0.00 2.25 0.50 0.13 30.30 09:30:01 1 65.32 0.00 2.44 0.12 0.13 31.99 09:30:01 2 65.56 0.00 2.48 0.46 0.13 31.37 09:30:01 3 66.69 0.00 2.58 0.33 0.13 30.27 09:40:08 all 53.34 0.00 1.99 0.30 0.13 44.24 09:40:08 0 49.39 0.00 1.78 0.22 0.13 48.48 09:40:08 1 57.16 0.00 2.11 0.25 0.13 40.34 09:40:08 2 48.36 0.00 2.23 0.44 0.12 48.85 09:40:08 3 58.44 0.00 1.84 0.31 0.13 39.28 Average: all 59.63 0.00 2.21 0.33 0.13 37.70 Average: 0 57.99 0.00 2.01 0.36 0.13 39.51 Average: 1 61.19 0.00 2.27 0.19 0.13 36.22 Average: 2 56.84 0.00 2.35 0.45 0.13 40.23 Average: 3 62.51 0.00 2.20 0.32 0.13 34.83