---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22631 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 9.8G 68G 13% / 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 626 11025 4 4337 15019 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:e2:f4:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85057sec preferred_lft 85057sec inet6 fe80::f816:3eff:fee2:f47b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:ba:dc:95:7f:33 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-22631) 02/27/26 _x86_64_ (4 CPU) 06:29:49 LINUX RESTART (4 CPU) 06:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:19 50.03 10.85 37.89 1.29 1819.89 9360.89 8119.76 06:50:14 11.59 0.53 9.96 1.11 17.78 2541.63 3138.35 Average: 31.19 5.79 24.20 1.20 936.88 6019.56 5678.95 06:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:19 11220332 14353840 1607956 9.82 119480 3170896 1971944 11.32 611308 4193684 37244 06:50:14 9644736 13503032 2452280 14.98 153400 3791952 2933336 16.84 793232 5504780 18512 Average: 10432534 13928436 2030118 12.40 136440 3481424 2452640 14.08 702270 4849232 27878 06:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:19 lo 0.73 0.73 0.09 0.09 0.00 0.00 0.00 0.00 06:40:19 ens3 132.50 96.35 1123.38 17.33 0.00 0.00 0.00 0.00 06:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:14 lo 1.41 1.41 0.15 0.15 0.00 0.00 0.00 0.00 06:50:14 ens3 77.00 57.69 144.04 18.76 0.00 0.00 0.00 0.00 06:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 105.31 77.41 643.52 18.03 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-22631) 02/27/26 _x86_64_ (4 CPU) 06:29:49 LINUX RESTART (4 CPU) 06:30:00 CPU %user %nice %system %iowait %steal %idle 06:40:19 all 22.93 0.00 1.21 0.49 0.05 75.33 06:40:19 0 22.58 0.00 1.04 0.18 0.05 76.15 06:40:19 1 25.36 0.00 1.48 0.36 0.05 72.75 06:40:19 2 21.47 0.00 1.10 0.37 0.05 77.02 06:40:19 3 22.33 0.00 1.21 1.03 0.05 75.38 06:50:14 all 72.51 0.00 2.30 0.13 0.11 24.95 06:50:14 0 68.45 0.00 2.11 0.36 0.11 28.97 06:50:14 1 74.39 0.00 2.28 0.04 0.12 23.17 06:50:14 2 72.37 0.00 2.17 0.05 0.11 25.31 06:50:14 3 74.84 0.00 2.65 0.06 0.11 22.34 Average: all 47.22 0.00 1.74 0.31 0.08 50.65 Average: 0 45.05 0.00 1.57 0.27 0.08 53.04 Average: 1 49.38 0.00 1.87 0.20 0.08 48.46 Average: 2 46.41 0.00 1.62 0.21 0.08 51.68 Average: 3 48.03 0.00 1.91 0.56 0.08 49.42