---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-210747 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: 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 66G 16% / 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 637 8859 4 6492 15009 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:0b:99:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.250/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83724sec preferred_lft 83724sec inet6 fe80::f816:3eff:fe0b:9942/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:a3:29:94:a5:ce 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-210747) 03/07/26 _x86_64_ (4 CPU) 19:02:24 LINUX RESTART (4 CPU) 19:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:04 21.71 2.94 17.06 1.71 160.34 3246.28 3418.98 19:30:04 39.51 0.02 22.83 16.66 0.33 2041.59 249297.79 19:40:02 21.64 0.03 19.61 2.00 0.59 4119.48 19622.29 Average: 27.62 1.00 19.83 6.79 54.00 3134.54 90740.67 19:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:04 10390084 13695764 2264468 13.83 132068 3301952 2438984 14.00 653196 4943620 20072 19:30:04 9714272 13392004 2564572 15.66 151764 3623812 2671868 15.34 772400 5465376 20680 19:40:02 5978848 10663420 5289116 32.30 163276 4575564 5157220 29.60 1056544 8858996 456 Average: 8694401 12583729 3372719 20.60 149036 3833776 3422691 19.65 827380 6422664 13736 19:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:04 lo 891.27 891.27 847.50 847.50 0.00 0.00 0.00 0.00 19:20:04 ens3 103.88 76.32 967.82 15.69 0.00 0.00 0.00 0.00 19:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:04 lo 1399.79 1399.79 1329.13 1329.13 0.00 0.00 0.00 0.00 19:30:04 ens3 35.86 28.34 14.93 10.32 0.00 0.00 0.00 0.00 19:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:02 lo 865.17 865.17 5131.40 5131.40 0.00 0.00 0.00 0.00 19:40:02 ens3 29.48 24.02 26.45 9.08 0.00 0.00 0.00 0.00 19:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1052.08 1052.08 2429.52 2429.52 0.00 0.00 0.00 0.00 Average: ens3 56.52 42.97 337.88 11.70 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-210747) 03/07/26 _x86_64_ (4 CPU) 19:02:24 LINUX RESTART (4 CPU) 19:10:01 CPU %user %nice %system %iowait %steal %idle 19:20:04 all 41.43 0.00 1.85 0.12 0.09 56.52 19:20:04 0 40.91 0.00 1.72 0.15 0.09 57.13 19:20:04 1 41.22 0.00 1.70 0.07 0.09 56.92 19:20:04 2 41.98 0.00 1.81 0.05 0.09 56.07 19:20:04 3 41.60 0.00 2.16 0.19 0.09 55.96 19:30:04 all 65.86 0.00 2.65 0.09 0.11 31.30 19:30:04 0 67.33 0.00 2.63 0.15 0.11 29.77 19:30:04 1 63.76 0.00 2.57 0.07 0.12 33.49 19:30:04 2 65.07 0.00 2.65 0.06 0.11 32.11 19:30:04 3 67.26 0.00 2.73 0.07 0.11 29.83 19:40:02 all 53.67 0.00 1.92 0.19 0.11 44.11 19:40:02 0 51.68 0.00 1.77 0.40 0.10 46.04 19:40:02 1 50.61 0.00 1.89 0.12 0.11 47.28 19:40:02 2 58.23 0.00 2.13 0.09 0.10 39.46 19:40:02 3 54.18 0.00 1.89 0.14 0.11 43.68 Average: all 53.63 0.00 2.14 0.13 0.10 44.00 Average: 0 53.28 0.00 2.04 0.23 0.10 44.34 Average: 1 51.84 0.00 2.05 0.08 0.11 45.92 Average: 2 55.07 0.00 2.19 0.07 0.10 42.56 Average: 3 54.32 0.00 2.26 0.13 0.10 43.18