---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-264074 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 18G 60G 23% / 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 727 10843 3 4418 14919 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:22:14:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79885sec preferred_lft 79885sec inet6 fe80::f816:3eff:fe22:14e1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:09:b0:23:ab:9d 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 inet6 fe80::7c09:b0ff:fe23:ab9d/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-264074) 03/08/26 _x86_64_ (4 CPU) 13:29:24 LINUX RESTART (4 CPU) 13:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:00 132.87 15.50 112.94 4.43 2013.57 38107.19 11930.96 13:50:00 82.05 23.33 55.03 3.68 337.61 5348.72 2705.74 14:00:00 12.84 0.17 11.98 0.69 8.64 349.83 811.59 14:10:00 10.22 0.11 9.62 0.49 5.87 554.09 630.36 14:20:00 19.11 0.02 18.32 0.78 0.83 623.33 552.13 14:30:00 6.03 0.01 5.79 0.22 1.47 143.33 53.20 14:40:00 7.32 0.01 6.97 0.34 1.24 237.71 373.80 14:50:00 5.37 0.00 5.17 0.19 0.31 157.67 95.17 15:00:00 6.06 0.00 5.82 0.24 0.13 242.15 71.11 15:10:00 26.10 0.08 10.15 15.86 2.37 584.75 211278.19 Average: 30.80 3.93 24.18 2.69 237.20 4634.89 22850.23 13:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:00 4500820 14951680 976016 5.96 235776 10009996 2046760 11.75 1970864 9164940 7328 13:50:00 1095436 4302960 11629760 71.03 262056 2938984 13074280 75.05 2025080 12683764 592 14:00:00 3032100 6265944 9668788 59.05 263616 2963596 10955204 62.88 2048356 10706880 212 14:10:00 9781652 13126768 2812364 17.18 267576 3070904 3655232 20.98 2079804 3973456 10744 14:20:00 8889600 12320096 3618436 22.10 270928 3152932 4919724 28.24 2096336 4844476 48 14:30:00 7827936 11274552 4663184 28.48 271756 3168272 5326516 30.57 2097848 5892716 92 14:40:00 6613308 10095956 5841160 35.68 272592 3203468 6618484 37.99 2100800 7098884 136 14:50:00 6309520 9814676 6122356 37.39 273364 3225200 6825508 39.18 2104332 7396776 180 15:00:00 11666300 15271348 668208 4.08 275840 3322672 1390008 7.98 2115788 2039388 58148 15:10:00 10308480 13989176 1949816 11.91 279840 3393204 2968552 17.04 2137868 3382080 464 Average: 7002515 11141316 4795009 29.29 267334 3844923 5778027 33.17 2077708 6718336 7794 13:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:00 lo 2.24 2.24 1.85 1.85 0.00 0.00 0.00 0.00 13:40:00 ens3 159.22 118.91 2001.45 16.85 0.00 0.00 0.00 0.00 13:40:00 docker0 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 13:50:00 lo 32.94 32.94 22.72 22.72 0.00 0.00 0.00 0.00 13:50:00 ens3 2.16 2.08 0.64 0.56 0.00 0.00 0.00 0.00 13:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:00 lo 42.12 42.12 16.90 16.90 0.00 0.00 0.00 0.00 14:00:00 ens3 1.29 1.13 0.27 1.00 0.00 0.00 0.00 0.00 14:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:00 lo 13.71 13.71 6.73 6.73 0.00 0.00 0.00 0.00 14:10:00 ens3 0.87 0.66 0.28 0.22 0.00 0.00 0.00 0.00 14:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:00 lo 12.90 12.90 7.23 7.23 0.00 0.00 0.00 0.00 14:20:00 ens3 0.89 0.75 0.21 0.17 0.00 0.00 0.00 0.00 14:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:00 lo 20.04 20.04 9.71 9.71 0.00 0.00 0.00 0.00 14:30:00 ens3 0.66 0.77 0.15 0.13 0.00 0.00 0.00 0.00 14:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:00 lo 28.54 28.54 11.16 11.16 0.00 0.00 0.00 0.00 14:40:00 ens3 0.63 0.49 0.14 0.11 0.00 0.00 0.00 0.00 14:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:00 lo 21.31 21.31 10.79 10.79 0.00 0.00 0.00 0.00 14:50:00 ens3 0.67 0.55 0.14 0.11 0.00 0.00 0.00 0.00 14:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:00 lo 15.16 15.16 8.42 8.42 0.00 0.00 0.00 0.00 15:00:00 ens3 0.81 0.67 0.24 0.19 0.00 0.00 0.00 0.00 15:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:00 lo 23.29 23.29 10.92 10.92 0.00 0.00 0.00 0.00 15:10:00 ens3 0.91 0.74 0.23 0.18 0.00 0.00 0.00 0.00 15:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.23 21.23 10.64 10.64 0.00 0.00 0.00 0.00 Average: ens3 16.81 12.68 200.38 1.95 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-16g-264074) 03/08/26 _x86_64_ (4 CPU) 13:29:24 LINUX RESTART (4 CPU) 13:30:00 CPU %user %nice %system %iowait %steal %idle 13:40:00 all 36.29 0.00 2.31 11.59 0.09 49.72 13:40:00 0 36.67 0.00 2.40 10.16 0.09 50.67 13:40:00 1 35.80 0.00 2.18 7.30 0.10 54.63 13:40:00 2 37.22 0.00 2.33 17.78 0.10 42.58 13:40:00 3 35.47 0.00 2.35 11.12 0.09 50.97 13:50:00 all 67.51 0.00 2.54 0.15 0.13 29.68 13:50:00 0 67.71 0.00 2.44 0.11 0.13 29.62 13:50:00 1 65.85 0.00 2.59 0.11 0.13 31.32 13:50:00 2 67.94 0.00 2.67 0.21 0.13 29.05 13:50:00 3 68.54 0.00 2.47 0.16 0.12 28.72 14:00:00 all 28.73 0.00 1.26 0.04 0.09 69.87 14:00:00 0 27.68 0.00 1.17 0.05 0.09 71.01 14:00:00 1 29.31 0.00 1.32 0.07 0.09 69.22 14:00:00 2 29.17 0.00 1.40 0.03 0.10 69.29 14:00:00 3 28.77 0.00 1.16 0.03 0.09 69.95 14:10:00 all 18.71 0.00 0.83 0.05 0.07 80.34 14:10:00 0 18.87 0.00 0.75 0.03 0.07 80.28 14:10:00 1 18.50 0.00 0.94 0.07 0.08 80.41 14:10:00 2 18.00 0.00 0.84 0.07 0.07 81.02 14:10:00 3 19.47 0.00 0.79 0.03 0.07 79.64 14:20:00 all 29.39 0.00 1.00 0.07 0.08 69.46 14:20:00 0 29.31 0.00 0.97 0.09 0.08 69.54 14:20:00 1 29.46 0.00 0.84 0.08 0.09 69.54 14:20:00 2 28.90 0.00 1.18 0.03 0.08 69.81 14:20:00 3 29.88 0.00 1.02 0.06 0.08 68.96 14:30:00 all 10.38 0.00 0.40 0.03 0.06 89.14 14:30:00 0 10.58 0.00 0.35 0.03 0.05 88.99 14:30:00 1 10.31 0.00 0.46 0.03 0.06 89.14 14:30:00 2 10.22 0.00 0.39 0.03 0.06 89.29 14:30:00 3 10.39 0.00 0.39 0.03 0.05 89.13 14:40:00 all 15.54 0.00 0.60 0.03 0.06 83.77 14:40:00 0 15.42 0.00 0.59 0.03 0.06 83.90 14:40:00 1 16.13 0.00 0.66 0.06 0.07 83.08 14:40:00 2 15.55 0.00 0.61 0.02 0.06 83.76 14:40:00 3 15.07 0.00 0.54 0.00 0.06 84.32 14:50:00 all 11.14 0.00 0.56 0.02 0.06 88.21 14:50:00 0 11.16 0.00 0.46 0.01 0.06 88.30 14:50:00 1 11.48 0.00 0.62 0.02 0.06 87.82 14:50:00 2 11.44 0.00 0.74 0.03 0.06 87.72 14:50:00 3 10.49 0.00 0.44 0.01 0.06 89.00 15:00:00 all 8.12 0.00 0.45 0.03 0.05 91.35 15:00:00 0 8.09 0.00 0.38 0.01 0.05 91.47 15:00:00 1 8.89 0.00 0.53 0.04 0.06 90.48 15:00:00 2 8.12 0.00 0.45 0.05 0.06 91.32 15:00:00 3 7.38 0.00 0.43 0.01 0.05 92.12 15:10:00 all 16.88 0.00 0.69 0.06 0.07 82.31 15:10:00 0 17.23 0.00 0.62 0.00 0.07 82.08 15:10:00 1 16.53 0.00 0.79 0.11 0.07 82.50 15:10:00 2 17.20 0.00 0.73 0.08 0.07 81.93 15:10:00 3 16.56 0.00 0.62 0.04 0.06 82.72 Average: all 24.26 0.00 1.07 1.20 0.08 73.39 Average: 0 24.27 0.00 1.01 1.05 0.07 73.59 Average: 1 24.22 0.00 1.09 0.79 0.08 73.83 Average: 2 24.37 0.00 1.13 1.83 0.08 72.59 Average: 3 24.20 0.00 1.02 1.15 0.07 73.56