---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1835 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 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 750 9505 4 5733 14896 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:73:44:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.169/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84152sec preferred_lft 84152sec inet6 fe80::f816:3eff:fe73:441b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:22:d3:92:48:fc 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1835) 04/10/26 _x86_64_ (4 CPU) 20:24:18 LINUX RESTART (4 CPU) 20:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:09 34.28 0.43 28.50 5.35 13.85 4473.71 5524.75 20:50:09 63.96 0.01 39.77 24.19 0.47 2888.08 245692.61 21:00:09 18.37 0.30 15.42 2.66 11.81 3747.65 6635.78 Average: 38.87 0.25 27.90 10.73 8.71 3703.14 85963.38 20:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:09 8972820 13167920 2784556 17.01 191940 4055776 2980104 17.11 771620 6167220 113444 20:50:09 8521656 13159220 2788704 17.03 221756 4423712 3113040 17.87 884728 6461768 106224 21:00:09 9829488 15333184 611572 3.74 243312 5229688 1112608 6.39 1212508 4738424 68 Average: 9107988 13886775 2061611 12.59 219003 4569725 2401917 13.79 956285 5789137 73245 20:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:09 lo 2190.00 2190.00 2088.46 2088.46 0.00 0.00 0.00 0.00 20:40:09 ens3 84.43 64.78 321.59 20.21 0.00 0.00 0.00 0.00 20:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:09 lo 5291.76 5291.76 5046.02 5046.02 0.00 0.00 0.00 0.00 20:50:09 ens3 84.31 61.59 27.94 21.28 0.00 0.00 0.00 0.00 20:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:09 lo 1110.87 1110.87 1039.10 1039.10 0.00 0.00 0.00 0.00 21:00:09 ens3 123.11 127.25 122.41 448.13 0.00 0.00 0.00 0.00 21:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2864.49 2864.49 2724.79 2724.79 0.00 0.00 0.00 0.00 Average: ens3 97.28 84.54 157.32 163.16 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1835) 04/10/26 _x86_64_ (4 CPU) 20:24:18 LINUX RESTART (4 CPU) 20:30:09 CPU %user %nice %system %iowait %steal %idle 20:40:09 all 65.71 0.00 3.08 0.09 0.09 31.02 20:40:09 0 64.01 0.00 2.59 0.10 0.09 33.20 20:40:09 1 66.65 0.00 3.11 0.10 0.09 30.05 20:40:09 2 66.71 0.00 3.40 0.11 0.09 29.70 20:40:09 3 65.48 0.00 3.24 0.06 0.09 31.13 20:50:09 all 62.33 0.00 4.08 0.11 0.09 33.38 20:50:09 0 62.66 0.00 4.16 0.06 0.09 33.03 20:50:09 1 61.68 0.00 4.30 0.15 0.09 33.78 20:50:09 2 62.02 0.00 3.51 0.06 0.09 34.31 20:50:09 3 62.97 0.00 4.35 0.18 0.09 32.41 21:00:09 all 35.10 0.00 1.63 0.16 0.07 63.04 21:00:09 0 34.43 0.00 1.70 0.34 0.06 63.46 21:00:09 1 30.51 0.00 1.51 0.04 0.07 67.87 21:00:09 2 39.77 0.00 1.68 0.19 0.07 58.28 21:00:09 3 35.70 0.00 1.65 0.04 0.07 62.54 Average: all 54.37 0.00 2.93 0.12 0.08 42.49 Average: 0 53.68 0.00 2.82 0.17 0.08 43.25 Average: 1 52.93 0.00 2.97 0.10 0.08 43.92 Average: 2 56.16 0.00 2.86 0.12 0.08 40.77 Average: 3 54.71 0.00 3.08 0.09 0.08 42.03