---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10115 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 13G 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 652 8536 4 6800 14994 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:cd:c6:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84530sec preferred_lft 84530sec inet6 fe80::f816:3eff:fecd:c642/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:3f:5d:6b:3f:1f 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-10115) 02/13/26 _x86_64_ (4 CPU) 10:07:18 LINUX RESTART (4 CPU) 10:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:08 32.39 1.59 26.92 3.88 653.11 4206.75 34003.75 10:30:09 32.03 0.01 28.84 3.18 0.12 2558.15 13941.43 Average: 32.21 0.80 27.88 3.53 326.51 3382.18 23969.33 10:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:08 9115604 12938320 3018420 18.44 140092 3804740 3704620 21.26 866780 6008776 23364 10:30:09 7553688 11986120 3966648 24.23 162472 4351640 3908456 22.43 1005420 7383956 211436 Average: 8334646 12462220 3492534 21.33 151282 4078190 3806538 21.85 936100 6696366 117400 10:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:08 lo 1742.17 1742.17 1654.01 1654.01 0.00 0.00 0.00 0.00 10:20:08 ens3 91.15 59.30 587.88 11.06 0.00 0.00 0.00 0.00 10:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:09 lo 1499.68 1499.68 1428.42 1428.42 0.00 0.00 0.00 0.00 10:30:09 ens3 22.70 20.32 20.36 6.31 0.00 0.00 0.00 0.00 10:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1620.88 1620.88 1541.18 1541.18 0.00 0.00 0.00 0.00 Average: ens3 56.91 39.81 304.03 8.68 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-10115) 02/13/26 _x86_64_ (4 CPU) 10:07:18 LINUX RESTART (4 CPU) 10:10:07 CPU %user %nice %system %iowait %steal %idle 10:20:08 all 66.72 0.00 2.61 1.94 0.12 28.61 10:20:08 0 65.21 0.00 2.70 2.96 0.12 29.01 10:20:08 1 67.50 0.00 2.67 1.60 0.11 28.11 10:20:08 2 66.61 0.00 2.61 1.97 0.13 28.68 10:20:08 3 67.56 0.00 2.47 1.23 0.12 28.61 10:30:09 all 62.82 0.00 2.56 0.11 0.12 34.38 10:30:09 0 62.91 0.00 2.91 0.10 0.12 33.95 10:30:09 1 60.65 0.00 2.62 0.07 0.12 36.54 10:30:09 2 65.33 0.00 2.52 0.19 0.12 31.83 10:30:09 3 62.39 0.00 2.17 0.09 0.13 35.22 Average: all 64.77 0.00 2.59 1.03 0.12 31.50 Average: 0 64.06 0.00 2.81 1.53 0.12 31.48 Average: 1 64.07 0.00 2.65 0.84 0.12 32.33 Average: 2 65.97 0.00 2.56 1.08 0.13 30.26 Average: 3 64.97 0.00 2.32 0.66 0.12 31.92