---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6976 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 15% / 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 662 9635 4 5691 14983 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:e5:5f:f2 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 84562sec preferred_lft 84562sec inet6 fe80::f816:3eff:fee5:5ff2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:e7:44:1e:e2:62 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-6976) 02/02/26 _x86_64_ (4 CPU) 06:26:31 LINUX RESTART (4 CPU) 06:30:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 29.40 2.76 24.11 2.53 761.43 5316.25 13092.87 06:50:19 31.81 0.06 28.47 3.28 1.45 5707.60 14249.21 Average: 30.64 1.37 26.35 2.91 370.22 5517.70 13688.11 06:30:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9464088 13304200 2651940 16.20 156440 3778668 2975252 17.08 906068 5590188 18004 06:50:19 7584544 12798760 3150600 19.24 184548 5052368 3391844 19.47 1199396 7095196 29920 Average: 8524316 13051480 2901270 17.72 170494 4415518 3183548 18.27 1052732 6342692 23962 06:30:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 864.74 864.74 823.46 823.46 0.00 0.00 0.00 0.00 06:40:01 ens3 105.04 73.57 599.98 17.65 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:19 lo 1263.29 1263.29 1203.28 1203.28 0.00 0.00 0.00 0.00 06:50:19 ens3 55.27 41.46 210.53 12.23 0.00 0.00 0.00 0.00 06:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1069.90 1069.90 1018.98 1018.98 0.00 0.00 0.00 0.00 Average: ens3 79.42 57.04 399.50 14.86 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-6976) 02/02/26 _x86_64_ (4 CPU) 06:26:31 LINUX RESTART (4 CPU) 06:30:19 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 67.27 0.00 2.43 0.13 0.09 30.09 06:40:01 0 68.35 0.00 2.27 0.14 0.09 29.15 06:40:01 1 69.46 0.00 2.54 0.13 0.09 27.78 06:40:01 2 65.76 0.00 2.43 0.15 0.09 31.58 06:40:01 3 65.51 0.00 2.48 0.08 0.08 31.84 06:50:19 all 57.32 0.00 2.50 0.11 0.08 39.99 06:50:19 0 56.88 0.00 2.86 0.11 0.08 40.08 06:50:19 1 56.72 0.00 2.24 0.15 0.08 40.81 06:50:19 2 58.90 0.00 2.38 0.08 0.08 38.56 06:50:19 3 56.78 0.00 2.52 0.12 0.08 40.50 Average: all 62.15 0.00 2.47 0.12 0.08 35.18 Average: 0 62.45 0.00 2.57 0.13 0.08 34.77 Average: 1 62.90 0.00 2.39 0.14 0.08 34.49 Average: 2 62.23 0.00 2.40 0.11 0.08 35.17 Average: 3 61.02 0.00 2.50 0.10 0.08 36.30