---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7667 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 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 702 10262 4 5024 14944 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:12:da:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84354sec preferred_lft 84354sec inet6 fe80::f816:3eff:fe12:da97/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:0b:57:4b:57:aa 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-7667) 02/04/26 _x86_64_ (4 CPU) 14:38:36 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:08 38.49 3.28 20.49 14.73 758.50 4073.99 250133.90 15:00:21 12.14 0.43 10.72 0.99 14.54 2158.42 2006.90 15:10:01 32.57 0.64 27.90 4.03 23.40 4313.99 2841.77 Average: 27.61 1.46 19.54 6.60 268.31 3498.25 85963.91 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:08 11213200 14269708 1693156 10.34 116796 3114564 2068292 11.87 650324 4170548 28800 15:00:21 9582284 13361944 2594252 15.84 150088 3731840 2806800 16.11 830556 5553660 97580 15:10:01 10589324 15372516 577004 3.52 174368 4645108 1103732 6.34 1100308 4187292 200 Average: 10461603 14334723 1621471 9.90 147084 3830504 1992941 11.44 860396 4637167 42193 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:08 lo 0.48 0.48 0.07 0.07 0.00 0.00 0.00 0.00 14:50:08 ens3 108.86 66.62 874.46 9.45 0.00 0.00 0.00 0.00 14:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:21 lo 1.28 1.28 0.13 0.13 0.00 0.00 0.00 0.00 15:00:21 ens3 56.92 48.02 133.34 16.46 0.00 0.00 0.00 0.00 15:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 1514.05 1514.05 1436.05 1436.05 0.00 0.00 0.00 0.00 15:10:01 ens3 101.70 85.30 423.40 112.10 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 487.88 487.88 462.24 462.24 0.00 0.00 0.00 0.00 Average: ens3 88.85 66.29 476.66 44.88 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-7667) 02/04/26 _x86_64_ (4 CPU) 14:38:36 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:08 all 12.84 0.00 0.76 18.48 0.06 67.86 14:50:08 0 13.50 0.00 0.79 15.48 0.05 70.18 14:50:08 1 12.47 0.00 0.69 37.67 0.06 49.11 14:50:08 2 13.20 0.00 0.85 8.77 0.07 77.10 14:50:08 3 12.18 0.00 0.71 11.97 0.05 75.08 15:00:21 all 68.79 0.00 2.15 0.94 0.15 27.97 15:00:21 0 68.97 0.00 2.18 0.86 0.15 27.83 15:00:21 1 66.25 0.00 2.30 1.08 0.14 30.23 15:00:21 2 70.48 0.00 2.21 0.73 0.14 26.44 15:00:21 3 69.46 0.00 1.91 1.10 0.14 27.39 15:10:01 all 55.76 0.00 2.39 0.49 0.13 41.24 15:10:01 0 53.42 0.00 2.25 0.30 0.13 43.90 15:10:01 1 57.04 0.00 2.65 0.97 0.13 39.21 15:10:01 2 55.21 0.00 2.41 0.46 0.12 41.80 15:10:01 3 57.36 0.00 2.25 0.22 0.14 40.03 Average: all 45.69 0.00 1.76 6.72 0.11 45.72 Average: 0 45.23 0.00 1.73 5.62 0.11 47.31 Average: 1 45.10 0.00 1.87 13.42 0.11 39.51 Average: 2 46.22 0.00 1.82 3.36 0.11 48.50 Average: 3 46.20 0.00 1.61 4.49 0.11 47.58