---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-14098 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 17G 61G 22% / 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 680 11940 3 3368 14962 Swap: 1023 23 1000 ---> 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:23:c3:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81504sec preferred_lft 81504sec inet6 fe80::f816:3eff:fe23:c326/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:d7:cc:b8:6f:a9 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-16g-14098) 02/18/26 _x86_64_ (4 CPU) 12:32:43 LINUX RESTART (4 CPU) 12:40:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:25 93.10 2.41 87.46 3.23 130.39 27346.25 9400.31 13:00:01 59.40 30.59 27.23 1.57 419.23 1800.50 2667.27 13:10:00 6.40 1.09 5.08 0.23 26.75 182.25 300.32 13:20:25 7.50 0.66 6.49 0.34 27.61 214.93 575.01 13:30:01 24.47 0.16 8.06 16.25 4.60 433.96 221064.51 13:40:25 11.82 2.90 8.54 0.38 47.63 450.63 108.74 13:50:25 6.94 0.36 6.30 0.28 8.55 190.60 272.48 Average: 29.59 5.30 21.20 3.09 93.02 4365.42 32221.48 12:40:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:25 168300 4560080 11366876 69.42 251560 4034204 12800388 73.47 2066020 13464304 448 13:00:01 4856076 7459140 8473972 51.76 255880 2396656 9306548 53.42 1933768 9072172 1108 13:10:00 8515396 11139452 4794228 29.28 256880 2416684 5533876 31.76 1950680 5391564 84 13:20:25 7238156 9881740 6053552 36.97 258536 2434672 6854996 39.35 1962168 6662724 76 13:30:01 9770136 12505912 3430880 20.95 264416 2521084 4321848 24.81 1986388 4124216 1456 13:40:25 8569060 11399328 4536620 27.71 267944 2611912 5270060 30.25 2020640 5286348 56 13:50:25 7812576 10667312 5268300 32.18 268828 2635472 5931388 34.05 2041220 6022124 348 Average: 6704243 9658995 6274918 38.32 260578 2721526 7145586 41.02 1994412 7146207 511 12:40:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:25 lo 11.03 11.03 10.72 10.72 0.00 0.00 0.00 0.00 12:50:25 ens3 40.76 30.58 644.07 3.20 0.00 0.00 0.00 0.00 12:50:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 36.86 36.86 18.17 18.17 0.00 0.00 0.00 0.00 13:00:01 ens3 1.85 1.79 0.43 0.37 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:00 lo 30.47 30.47 11.90 11.90 0.00 0.00 0.00 0.00 13:10:00 ens3 1.33 0.84 0.40 0.29 0.00 0.00 0.00 0.00 13:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:25 lo 4.85 4.85 3.67 3.67 0.00 0.00 0.00 0.00 13:20:25 ens3 0.73 0.34 0.19 0.12 0.00 0.00 0.00 0.00 13:20:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 8.55 8.55 3.62 3.62 0.00 0.00 0.00 0.00 13:30:01 ens3 0.52 0.38 0.15 0.11 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:25 lo 7.58 7.58 4.79 4.79 0.00 0.00 0.00 0.00 13:40:25 ens3 1.57 1.91 0.28 1.75 0.00 0.00 0.00 0.00 13:40:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:25 lo 24.66 24.66 10.44 10.44 0.00 0.00 0.00 0.00 13:50:25 ens3 0.83 0.66 0.17 0.13 0.00 0.00 0.00 0.00 13:50:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 17.52 17.52 8.97 8.97 0.00 0.00 0.00 0.00 Average: ens3 6.80 5.22 92.24 0.86 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-16g-14098) 02/18/26 _x86_64_ (4 CPU) 12:32:43 LINUX RESTART (4 CPU) 12:40:25 CPU %user %nice %system %iowait %steal %idle 12:50:25 all 51.60 0.00 2.34 7.10 0.14 38.82 12:50:25 0 49.76 0.00 2.26 8.40 0.14 39.42 12:50:25 1 51.18 0.00 2.40 7.66 0.14 38.63 12:50:25 2 51.24 0.00 2.26 5.46 0.13 40.92 12:50:25 3 54.20 0.00 2.46 6.89 0.14 36.31 13:00:01 all 52.41 0.00 2.14 0.50 0.16 44.79 13:00:01 0 52.71 0.00 1.88 0.27 0.16 44.98 13:00:01 1 51.69 0.00 2.34 0.54 0.16 45.27 13:00:01 2 52.49 0.00 2.25 0.67 0.16 44.43 13:00:01 3 52.74 0.00 2.10 0.52 0.16 44.48 13:10:00 all 13.19 0.00 0.89 0.23 0.10 85.59 13:10:00 0 13.16 0.00 0.84 0.24 0.10 85.65 13:10:00 1 12.95 0.00 0.92 0.29 0.11 85.73 13:10:00 2 13.46 0.00 0.99 0.13 0.10 85.32 13:10:00 3 13.17 0.00 0.82 0.25 0.09 85.67 13:20:25 all 15.93 0.00 0.68 0.34 0.07 82.99 13:20:25 0 16.31 0.00 0.60 0.87 0.07 82.16 13:20:25 1 15.86 0.00 0.78 0.30 0.07 82.99 13:20:25 2 16.28 0.00 0.66 0.12 0.08 82.87 13:20:25 3 15.26 0.00 0.67 0.05 0.07 83.94 13:30:01 all 7.70 0.00 0.41 0.24 0.06 91.58 13:30:01 0 7.17 0.00 0.33 0.24 0.06 92.19 13:30:01 1 8.36 0.00 0.48 0.31 0.07 90.77 13:30:01 2 7.71 0.00 0.39 0.20 0.06 91.63 13:30:01 3 7.56 0.00 0.44 0.19 0.07 91.74 13:40:25 all 11.49 0.00 0.53 5.75 0.06 82.17 13:40:25 0 10.74 0.00 0.52 12.23 0.05 76.46 13:40:25 1 11.98 0.00 0.56 4.23 0.06 83.17 13:40:25 2 11.18 0.00 0.51 3.10 0.06 85.15 13:40:25 3 12.06 0.00 0.55 3.44 0.05 83.91 13:50:25 all 16.11 0.00 0.62 0.68 0.06 82.53 13:50:25 0 16.45 0.00 0.70 0.24 0.06 82.55 13:50:25 1 16.24 0.00 0.55 0.40 0.06 82.75 13:50:25 2 16.04 0.00 0.59 0.91 0.07 82.39 13:50:25 3 15.72 0.00 0.63 1.17 0.06 82.42 Average: all 23.86 0.00 1.08 2.15 0.09 72.82 Average: 0 23.57 0.00 1.01 3.29 0.09 72.04 Average: 1 23.82 0.00 1.14 1.98 0.10 72.97 Average: 2 23.86 0.00 1.08 1.52 0.09 73.44 Average: 3 24.18 0.00 1.09 1.80 0.09 72.84