---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20970 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 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 651 8895 4 6442 14995 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:bb:8d:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84265sec preferred_lft 84265sec inet6 fe80::f816:3eff:febb:8db5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:a8:7e:03:bc:3b 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-20970) 02/26/26 _x86_64_ (4 CPU) 11:04:45 LINUX RESTART (4 CPU) 11:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:05 23.66 0.07 20.80 2.79 6.41 2135.52 13205.85 11:30:08 29.33 0.03 26.43 2.87 0.56 4410.62 28498.80 11:40:01 13.48 0.17 11.64 1.67 12.48 6405.08 2234.95 Average: 22.20 0.09 19.66 2.45 6.45 4311.86 14712.08 11:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:05 9709240 13276300 2681248 16.38 143924 3538452 2716412 15.59 711988 5537928 23292 11:30:08 8005572 12610032 3342996 20.42 159836 4514616 3246296 18.63 997856 6918776 1888 11:40:01 9207576 15449068 498604 3.05 175324 6083380 1027344 5.90 1618396 5031740 12336 Average: 8974129 13778467 2174283 13.28 159695 4712149 2330017 13.37 1109413 5829481 12505 11:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:05 lo 1413.73 1413.73 1340.69 1340.69 0.00 0.00 0.00 0.00 11:20:05 ens3 41.12 34.21 29.24 12.42 0.00 0.00 0.00 0.00 11:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:08 lo 1237.89 1237.89 1173.49 1173.49 0.00 0.00 0.00 0.00 11:30:08 ens3 42.76 32.29 28.90 11.07 0.00 0.00 0.00 0.00 11:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 244.32 244.32 6914.81 6914.81 0.00 0.00 0.00 0.00 11:40:01 ens3 87.59 96.12 118.47 1081.31 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 967.85 967.85 3128.45 3128.45 0.00 0.00 0.00 0.00 Average: ens3 57.04 54.04 58.64 365.55 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-20970) 02/26/26 _x86_64_ (4 CPU) 11:04:45 LINUX RESTART (4 CPU) 11:10:08 CPU %user %nice %system %iowait %steal %idle 11:20:05 all 67.26 0.00 2.26 0.04 0.10 30.33 11:20:05 0 68.53 0.00 2.37 0.02 0.10 28.98 11:20:05 1 65.24 0.00 2.32 0.08 0.10 32.27 11:20:05 2 68.93 0.00 2.30 0.06 0.10 28.62 11:20:05 3 66.36 0.00 2.07 0.03 0.10 31.46 11:30:08 all 55.39 0.00 2.25 2.95 0.10 39.31 11:30:08 0 55.65 0.00 2.07 2.98 0.10 39.21 11:30:08 1 55.00 0.00 2.40 3.36 0.10 39.14 11:30:08 2 56.79 0.00 2.50 4.26 0.10 36.35 11:30:08 3 54.14 0.00 2.01 1.22 0.10 42.53 11:40:01 all 26.92 0.00 0.98 10.29 0.07 61.75 11:40:01 0 25.85 0.00 1.21 9.82 0.07 63.05 11:40:01 1 28.73 0.00 0.83 9.87 0.06 60.52 11:40:01 2 33.89 0.00 0.90 10.50 0.07 54.64 11:40:01 3 19.23 0.00 0.97 10.98 0.06 68.76 Average: all 49.90 0.00 1.83 4.42 0.09 43.76 Average: 0 50.06 0.00 1.88 4.26 0.09 43.71 Average: 1 49.71 0.00 1.85 4.42 0.09 43.93 Average: 2 53.24 0.00 1.91 4.93 0.09 39.84 Average: 3 46.61 0.00 1.68 4.06 0.09 47.56