---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-494333 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 707 11524 3 3757 14939 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:cc:cc:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.218/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79786sec preferred_lft 79786sec inet6 fe80::f816:3eff:fecc:ccb5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:61:c3:29:f2:45 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::e461:c3ff:fe29:f245/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-494333) 03/16/26 _x86_64_ (4 CPU) 18:07:55 LINUX RESTART (4 CPU) 18:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:20:00 128.61 10.03 113.34 5.25 1239.78 37151.22 19216.43 18:30:09 52.22 25.00 25.78 1.43 317.77 1614.69 728.56 18:40:01 8.62 0.24 7.97 0.41 13.93 233.43 536.70 18:50:01 19.67 0.05 18.74 0.88 1.85 831.42 591.98 19:00:02 12.74 0.01 12.13 0.61 0.63 375.34 544.18 19:10:03 5.15 0.01 4.97 0.16 0.83 134.84 70.01 19:20:01 5.43 0.01 5.25 0.17 1.15 153.19 96.04 19:30:05 5.44 0.00 5.26 0.18 0.30 151.28 87.09 19:40:09 26.31 0.14 10.35 15.81 5.54 581.43 209880.90 19:50:01 5.53 0.02 5.25 0.26 0.53 247.83 54.81 Average: 27.01 3.58 20.90 2.53 158.24 4136.96 23312.88 18:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:20:00 1904704 6250268 9676380 59.10 258024 3983876 11059500 63.48 2229500 11559332 2936 18:30:09 4630524 7228724 8707604 53.18 265020 2384120 9400036 53.96 2021492 9204484 472 18:40:01 8424628 11047700 4889408 29.86 266040 2407988 5611196 32.21 2035004 5392192 6780 18:50:01 12208908 14967164 975288 5.96 271724 2537436 1751268 10.05 2074780 1621876 5460 19:00:02 8648892 11453816 4486356 27.40 274008 2581816 5267352 30.23 2078836 5160328 252 19:10:03 8468748 11290404 4649788 28.40 274484 2598092 5390560 30.94 2080148 5336896 684 19:20:01 7053772 9894696 6044568 36.92 274880 2616944 6795368 39.01 2082196 6746848 80 19:30:05 6868892 9729992 6209404 37.92 275436 2636564 6975712 40.04 2085456 6911484 592 19:40:09 10279136 13289492 2651824 16.20 281608 2779584 3752448 21.54 2107248 3494436 21568 19:50:01 7507472 10544724 5394776 32.95 282452 2805632 6030348 34.61 2119960 6245744 692 Average: 7599568 10569698 5368540 32.79 272368 2733205 6203379 35.61 2091462 6167362 3952 18:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:20:00 lo 8.34 8.34 9.09 9.09 0.00 0.00 0.00 0.00 18:20:00 ens3 117.32 91.76 1732.60 10.45 0.00 0.00 0.00 0.00 18:20:00 docker0 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 18:30:09 lo 37.60 37.60 19.50 19.50 0.00 0.00 0.00 0.00 18:30:09 ens3 1.71 1.56 0.41 0.35 0.00 0.00 0.00 0.00 18:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:01 lo 31.16 31.16 11.56 11.56 0.00 0.00 0.00 0.00 18:40:01 ens3 0.92 0.73 0.22 0.17 0.00 0.00 0.00 0.00 18:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 9.68 9.68 5.82 5.82 0.00 0.00 0.00 0.00 18:50:01 ens3 1.06 1.00 0.27 0.29 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:02 lo 20.77 20.77 10.94 10.94 0.00 0.00 0.00 0.00 19:00:02 ens3 0.82 0.69 0.18 0.14 0.00 0.00 0.00 0.00 19:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:03 lo 23.02 23.02 8.84 8.84 0.00 0.00 0.00 0.00 19:10:03 ens3 0.70 0.53 0.19 0.14 0.00 0.00 0.00 0.00 19:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:01 lo 24.63 24.63 11.01 11.01 0.00 0.00 0.00 0.00 19:20:01 ens3 0.69 0.51 0.17 0.12 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:05 lo 18.78 18.78 10.84 10.84 0.00 0.00 0.00 0.00 19:30:05 ens3 0.69 0.52 0.17 0.12 0.00 0.00 0.00 0.00 19:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:09 lo 11.32 11.32 6.74 6.74 0.00 0.00 0.00 0.00 19:40:09 ens3 0.93 0.70 0.26 0.20 0.00 0.00 0.00 0.00 19:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:01 lo 29.75 29.75 12.44 12.44 0.00 0.00 0.00 0.00 19:50:01 ens3 0.78 0.63 0.17 0.14 0.00 0.00 0.00 0.00 19:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.50 21.50 10.69 10.69 0.00 0.00 0.00 0.00 Average: ens3 12.52 9.83 172.87 1.21 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-494333) 03/16/26 _x86_64_ (4 CPU) 18:07:55 LINUX RESTART (4 CPU) 18:10:02 CPU %user %nice %system %iowait %steal %idle 18:20:00 all 57.64 0.00 2.66 0.45 0.10 39.15 18:20:00 0 56.05 0.00 2.59 0.52 0.10 40.74 18:20:00 1 57.23 0.00 2.66 0.28 0.09 39.74 18:20:00 2 58.84 0.00 2.70 0.42 0.11 37.94 18:20:00 3 58.46 0.00 2.68 0.59 0.10 38.17 18:30:09 all 46.90 0.00 1.82 0.17 0.11 51.00 18:30:09 0 46.97 0.00 1.84 0.11 0.12 50.96 18:30:09 1 46.03 0.00 1.83 0.14 0.11 51.88 18:30:09 2 47.15 0.00 1.80 0.18 0.12 50.75 18:30:09 3 47.46 0.00 1.81 0.23 0.11 50.39 18:40:01 all 17.15 0.00 0.82 0.04 0.10 81.89 18:40:01 0 16.97 0.00 0.75 0.06 0.09 82.13 18:40:01 1 17.71 0.00 0.91 0.04 0.10 81.24 18:40:01 2 17.25 0.00 0.85 0.02 0.10 81.79 18:40:01 3 16.68 0.00 0.75 0.05 0.10 82.43 18:50:01 all 28.61 0.00 0.96 0.05 0.08 70.29 18:50:01 0 29.41 0.00 0.97 0.12 0.08 69.43 18:50:01 1 28.63 0.00 0.91 0.03 0.09 70.35 18:50:01 2 28.31 0.00 0.92 0.04 0.08 70.65 18:50:01 3 28.10 0.00 1.04 0.03 0.08 70.75 19:00:02 all 24.73 0.00 0.76 0.04 0.08 74.40 19:00:02 0 24.72 0.00 0.59 0.05 0.08 74.57 19:00:02 1 24.35 0.00 0.90 0.02 0.09 74.65 19:00:02 2 24.65 0.00 0.80 0.06 0.08 74.40 19:00:02 3 25.19 0.00 0.74 0.02 0.08 73.97 19:10:03 all 8.32 0.00 0.39 0.02 0.07 91.20 19:10:03 0 8.57 0.00 0.34 0.02 0.07 91.01 19:10:03 1 8.30 0.00 0.48 0.01 0.08 91.13 19:10:03 2 8.32 0.00 0.38 0.01 0.08 91.22 19:10:03 3 8.08 0.00 0.36 0.03 0.08 91.45 19:20:01 all 10.25 0.00 0.40 0.03 0.08 89.25 19:20:01 0 10.32 0.00 0.42 0.09 0.07 89.10 19:20:01 1 10.38 0.00 0.37 0.01 0.07 89.18 19:20:01 2 9.86 0.00 0.41 0.01 0.08 89.64 19:20:01 3 10.43 0.00 0.39 0.01 0.08 89.10 19:30:05 all 10.03 0.00 0.47 0.02 0.07 89.40 19:30:05 0 10.08 0.00 0.47 0.01 0.07 89.37 19:30:05 1 10.07 0.00 0.46 0.04 0.07 89.35 19:30:05 2 10.10 0.00 0.45 0.01 0.08 89.36 19:30:05 3 9.88 0.00 0.48 0.02 0.08 89.54 19:40:09 all 15.82 0.00 0.61 0.05 0.08 83.44 19:40:09 0 15.33 0.00 0.54 0.01 0.08 84.04 19:40:09 1 16.14 0.00 0.73 0.06 0.09 82.98 19:40:09 2 17.16 0.00 0.55 0.02 0.09 82.18 19:40:09 3 14.65 0.00 0.60 0.11 0.08 84.56 19:50:01 all 13.33 0.00 0.56 0.02 0.09 86.00 19:50:01 0 12.51 0.00 0.59 0.03 0.08 86.80 19:50:01 1 13.55 0.00 0.57 0.01 0.09 85.79 19:50:01 2 13.48 0.00 0.58 0.03 0.09 85.82 19:50:01 3 13.79 0.00 0.52 0.02 0.09 85.58 Average: all 23.31 0.00 0.94 0.09 0.09 75.57 Average: 0 23.13 0.00 0.91 0.10 0.08 75.77 Average: 1 23.27 0.00 0.98 0.06 0.09 75.60 Average: 2 23.55 0.00 0.94 0.08 0.09 75.34 Average: 3 23.31 0.00 0.94 0.11 0.09 75.56