---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10008 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 721 10076 4 5191 14925 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:1d:55:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84572sec preferred_lft 84572sec inet6 fe80::f816:3eff:fe1d:5559/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:f0:9e:83:f8:4b 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-10008) 02/13/26 _x86_64_ (4 CPU) 04:20:28 LINUX RESTART (4 CPU) 04:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:40:01 25.69 0.48 10.53 14.68 16.19 2468.14 241090.66 04:50:03 30.28 0.58 25.82 3.88 21.26 3829.01 3230.28 Average: 27.99 0.53 18.19 9.27 18.73 3149.85 121936.72 04:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:40:01 9444572 13427616 2526932 15.43 155300 3904224 2791132 16.02 887844 5594172 28000 04:50:03 10401136 15357176 590604 3.61 178828 4790728 1071180 6.15 1152308 4283224 3272 Average: 9922854 14392396 1558768 9.52 167064 4347476 1931156 11.08 1020076 4938698 15636 04:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:40:01 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 04:40:01 ens3 69.35 52.20 140.81 17.25 0.00 0.00 0.00 0.00 04:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:03 lo 1562.21 1562.21 1477.21 1477.21 0.00 0.00 0.00 0.00 04:50:03 ens3 124.12 108.77 413.41 200.52 0.00 0.00 0.00 0.00 04:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 783.22 783.22 740.06 740.06 0.00 0.00 0.00 0.00 Average: ens3 96.79 80.54 277.37 109.06 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-10008) 02/13/26 _x86_64_ (4 CPU) 04:20:28 LINUX RESTART (4 CPU) 04:30:01 CPU %user %nice %system %iowait %steal %idle 04:40:01 all 66.43 0.00 2.07 5.37 0.09 26.05 04:40:01 0 67.37 0.00 2.20 6.55 0.09 23.80 04:40:01 1 68.63 0.00 2.19 0.16 0.08 28.94 04:40:01 2 64.90 0.00 2.04 6.14 0.09 26.84 04:40:01 3 64.81 0.00 1.86 8.63 0.09 24.61 04:50:03 all 48.90 0.00 2.14 0.20 0.07 48.69 04:50:03 0 49.60 0.00 2.25 0.20 0.07 47.88 04:50:03 1 45.62 0.00 2.00 0.17 0.07 52.14 04:50:03 2 51.30 0.00 2.04 0.10 0.07 46.48 04:50:03 3 49.08 0.00 2.26 0.31 0.07 48.28 Average: all 57.64 0.00 2.10 2.78 0.08 37.40 Average: 0 58.46 0.00 2.22 3.37 0.08 35.87 Average: 1 57.10 0.00 2.09 0.17 0.08 40.56 Average: 2 58.09 0.00 2.04 3.11 0.08 36.68 Average: 3 56.92 0.00 2.06 4.46 0.08 36.48