---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20216 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 711 10308 4 4969 14935 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:aa:ec:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.236/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84856sec preferred_lft 84856sec inet6 fe80::f816:3eff:feaa:ec2b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:fc:4b:3c:79:13 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-20216) 02/23/26 _x86_64_ (4 CPU) 14:08:38 LINUX RESTART (4 CPU) 14:10:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:11 32.79 2.86 15.57 14.37 557.29 4240.14 251737.97 14:30:01 31.43 0.94 26.96 3.52 29.92 4593.70 4918.59 Average: 32.11 1.90 21.26 8.95 294.03 4416.64 128524.73 14:10:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:11 10672328 14086592 1872924 11.44 131660 3410496 2456856 14.10 694916 4623164 29044 14:30:01 8739492 13403424 2546364 15.55 172356 4524636 2721748 15.62 1033288 6109460 35212 Average: 9705910 13745008 2209644 13.50 152008 3967566 2589302 14.86 864102 5366312 32128 14:10:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:11 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 14:20:11 ens3 106.82 83.02 790.71 19.38 0.00 0.00 0.00 0.00 14:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 lo 1546.09 1546.09 1472.69 1472.69 0.00 0.00 0.00 0.00 14:30:01 ens3 87.56 64.89 469.24 16.59 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 772.46 772.46 735.24 735.24 0.00 0.00 0.00 0.00 Average: ens3 97.21 73.97 630.23 17.99 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-20216) 02/23/26 _x86_64_ (4 CPU) 14:08:38 LINUX RESTART (4 CPU) 14:10:20 CPU %user %nice %system %iowait %steal %idle 14:20:11 all 59.37 0.00 2.07 0.07 0.08 38.41 14:20:11 0 59.51 0.00 2.03 0.06 0.08 38.32 14:20:11 1 58.67 0.00 1.98 0.07 0.08 39.20 14:20:11 2 57.88 0.00 2.17 0.07 0.08 39.81 14:20:11 3 61.42 0.00 2.08 0.09 0.08 36.33 14:30:01 all 70.02 0.00 2.71 0.09 0.10 27.07 14:30:01 0 69.94 0.00 2.84 0.08 0.10 27.04 14:30:01 1 72.18 0.00 2.97 0.03 0.10 24.72 14:30:01 2 68.69 0.00 2.43 0.17 0.10 28.60 14:30:01 3 69.29 0.00 2.59 0.09 0.11 27.93 Average: all 64.68 0.00 2.39 0.08 0.09 32.76 Average: 0 64.71 0.00 2.44 0.07 0.09 32.69 Average: 1 65.41 0.00 2.48 0.05 0.09 31.97 Average: 2 63.27 0.00 2.30 0.12 0.09 34.21 Average: 3 65.34 0.00 2.33 0.09 0.10 32.14