---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8343 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 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 704 9299 4 5985 14942 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:84:08:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84629sec preferred_lft 84629sec inet6 fe80::f816:3eff:fe84:82b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:9b:38:53:c9:4e 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-8343) 02/07/26 _x86_64_ (4 CPU) 01:06:27 LINUX RESTART (4 CPU) 01:10:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 21.40 0.46 17.31 3.63 417.06 1701.31 48030.23 01:30:18 26.30 0.17 22.45 3.68 4.83 2182.79 30949.03 Average: 23.92 0.31 19.95 3.66 205.27 1948.68 39254.43 01:10:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9418960 12953112 3004820 18.35 128708 3532608 3232024 18.55 789268 5776764 564 01:30:18 8207916 12951460 3000704 18.33 154100 4657452 2983664 17.13 1200000 6515032 710140 Average: 8813438 12952286 3002762 18.34 141404 4095030 3107844 17.84 994634 6145898 355352 01:10:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 35.80 35.80 8.32 8.32 0.00 0.00 0.00 0.00 01:20:01 ens3 25.68 18.72 229.43 3.90 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:18 lo 1617.11 1617.11 1519.16 1519.16 0.00 0.00 0.00 0.00 01:30:18 ens3 58.57 45.48 332.94 11.88 0.00 0.00 0.00 0.00 01:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 848.23 848.23 784.54 784.54 0.00 0.00 0.00 0.00 Average: ens3 42.58 32.47 282.61 8.00 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-8343) 02/07/26 _x86_64_ (4 CPU) 01:06:27 LINUX RESTART (4 CPU) 01:10:17 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 24.99 0.00 1.05 0.18 0.09 73.69 01:20:01 0 25.88 0.00 1.11 0.15 0.09 72.76 01:20:01 1 23.74 0.00 1.01 0.33 0.09 74.82 01:20:01 2 25.01 0.00 1.06 0.14 0.10 73.69 01:20:01 3 25.33 0.00 1.02 0.09 0.09 73.46 01:30:18 all 40.22 0.00 2.08 0.25 0.09 57.36 01:30:18 0 41.45 0.00 2.07 0.15 0.09 56.24 01:30:18 1 38.40 0.00 2.03 0.10 0.09 59.39 01:30:18 2 40.02 0.00 2.02 0.21 0.09 57.66 01:30:18 3 41.04 0.00 2.20 0.52 0.09 56.15 Average: all 32.81 0.00 1.58 0.21 0.09 65.31 Average: 0 33.87 0.00 1.60 0.15 0.09 64.28 Average: 1 31.26 0.00 1.54 0.21 0.09 66.90 Average: 2 32.71 0.00 1.55 0.17 0.09 65.47 Average: 3 33.39 0.00 1.62 0.31 0.09 64.58