---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-24362 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 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 706 10811 3 4471 14940 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:d0:eb:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79983sec preferred_lft 79983sec inet6 fe80::f816:3eff:fed0:ebee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:2f:27:ee:84:10 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::8c2f:27ff:feee:8410/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-24362) 03/01/26 _x86_64_ (4 CPU) 07:17:32 LINUX RESTART (4 CPU) 07:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:03 120.78 8.57 107.94 4.27 801.07 35763.87 10187.95 07:40:01 53.95 21.49 30.75 1.72 244.46 1751.54 2477.89 07:50:03 8.14 0.15 7.56 0.42 8.08 267.05 817.11 08:00:03 31.14 0.23 14.89 16.02 5.97 704.19 210831.53 08:10:01 14.63 0.01 14.02 0.61 0.64 451.47 702.85 08:20:03 5.43 0.01 5.27 0.14 0.28 143.55 378.00 08:30:03 4.84 0.01 4.66 0.17 1.23 148.65 471.08 08:40:01 6.23 0.01 6.05 0.17 0.40 169.58 709.66 08:50:03 8.70 0.01 8.27 0.42 0.61 542.50 89.41 09:00:03 7.29 0.01 6.99 0.29 0.51 276.81 559.31 Average: 26.10 3.04 20.63 2.42 106.26 4021.58 22721.71 07:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:03 948044 5603800 10319388 63.03 253748 4281592 11632756 66.77 2116764 12617124 2328 07:40:01 2984256 6263956 9670004 59.06 263192 2997720 10929760 62.74 2108552 10697336 184 07:50:03 6416876 9722936 6211572 37.94 264372 3022900 7015944 40.27 2117868 7262664 1100 08:00:03 10154280 13596956 2341448 14.30 272328 3151496 3131772 17.98 2163760 3484732 328 08:10:01 8001800 11508200 4429104 27.05 274304 3213260 5233980 30.04 2168008 5638604 284 08:20:03 7905828 11429872 4507364 27.53 274740 3230464 5252348 30.15 2168900 5728712 228 08:30:03 6267224 9812472 6124012 37.40 275344 3251068 6886076 39.53 2171084 7364764 268 08:40:01 6344632 9911696 6024828 36.80 276020 3272204 6759548 38.80 2174464 7279780 268 08:50:03 7756628 11444852 4492392 27.44 279980 3387528 5214348 29.93 2182996 5868704 248 09:00:03 7381764 11118404 4819012 29.43 280908 3434904 5777692 33.16 2201348 6231336 504 Average: 6416133 10041314 5893912 36.00 271494 3324314 6783422 38.94 2157374 7217376 574 07:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:03 lo 9.89 9.89 10.15 10.15 0.00 0.00 0.00 0.00 07:30:03 ens3 63.34 48.85 1106.13 5.85 0.00 0.00 0.00 0.00 07:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 lo 47.93 47.93 23.07 23.07 0.00 0.00 0.00 0.00 07:40:01 ens3 2.25 1.87 0.55 0.45 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:03 lo 26.73 26.73 12.19 12.19 0.00 0.00 0.00 0.00 07:50:03 ens3 3.01 0.66 0.52 0.21 0.00 0.00 0.00 0.00 07:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:03 lo 11.18 11.18 5.57 5.57 0.00 0.00 0.00 0.00 08:00:03 ens3 3.32 1.59 0.75 1.69 0.00 0.00 0.00 0.00 08:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 lo 19.17 19.17 9.81 9.81 0.00 0.00 0.00 0.00 08:10:01 ens3 1.54 0.72 0.33 0.21 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:03 lo 20.33 20.33 8.58 8.58 0.00 0.00 0.00 0.00 08:20:03 ens3 1.39 0.52 0.24 0.11 0.00 0.00 0.00 0.00 08:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:03 lo 25.64 25.64 10.83 10.83 0.00 0.00 0.00 0.00 08:30:03 ens3 0.95 0.45 1.25 0.11 0.00 0.00 0.00 0.00 08:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 17.13 17.13 9.82 9.82 0.00 0.00 0.00 0.00 08:40:01 ens3 0.83 0.52 0.17 0.12 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:03 lo 17.03 17.03 9.50 9.50 0.00 0.00 0.00 0.00 08:50:03 ens3 0.89 0.70 0.23 0.18 0.00 0.00 0.00 0.00 08:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:03 lo 17.01 17.01 7.00 7.00 0.00 0.00 0.00 0.00 09:00:03 ens3 0.74 0.54 0.14 0.11 0.00 0.00 0.00 0.00 09:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.20 21.20 10.65 10.65 0.00 0.00 0.00 0.00 Average: ens3 7.83 5.64 111.03 0.90 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-24362) 03/01/26 _x86_64_ (4 CPU) 07:17:32 LINUX RESTART (4 CPU) 07:20:03 CPU %user %nice %system %iowait %steal %idle 07:30:03 all 55.97 0.00 2.48 1.06 0.12 40.37 07:30:03 0 55.86 0.00 2.30 0.48 0.12 41.25 07:30:03 1 55.19 0.00 2.51 1.60 0.12 40.58 07:30:03 2 54.84 0.00 2.32 1.22 0.12 41.50 07:30:03 3 58.00 0.00 2.80 0.96 0.12 38.13 07:40:01 all 54.86 0.00 2.04 0.11 0.13 42.86 07:40:01 0 54.96 0.00 2.19 0.18 0.13 42.54 07:40:01 1 54.95 0.00 1.97 0.06 0.13 42.89 07:40:01 2 53.97 0.00 2.07 0.08 0.14 43.74 07:40:01 3 55.54 0.00 1.93 0.11 0.13 42.29 07:50:03 all 18.04 0.00 0.90 0.05 0.13 80.88 07:50:03 0 17.78 0.00 0.96 0.09 0.13 81.04 07:50:03 1 17.09 0.00 0.80 0.02 0.13 81.96 07:50:03 2 18.30 0.00 0.91 0.08 0.13 80.57 07:50:03 3 19.00 0.00 0.91 0.02 0.13 79.94 08:00:03 all 23.06 0.00 0.97 0.08 0.11 75.77 08:00:03 0 23.82 0.00 1.11 0.20 0.11 74.76 08:00:03 1 22.03 0.00 0.89 0.03 0.12 76.93 08:00:03 2 22.77 0.00 0.93 0.07 0.12 76.12 08:00:03 3 23.63 0.00 0.95 0.03 0.12 75.28 08:10:01 all 27.48 0.00 0.99 0.07 0.11 71.35 08:10:01 0 28.05 0.00 1.00 0.11 0.12 70.73 08:10:01 1 26.46 0.00 1.00 0.05 0.12 72.38 08:10:01 2 28.14 0.00 1.05 0.01 0.11 70.68 08:10:01 3 27.26 0.00 0.90 0.10 0.11 71.62 08:20:03 all 8.71 0.00 0.48 0.02 0.11 90.68 08:20:03 0 8.50 0.00 0.43 0.02 0.11 90.93 08:20:03 1 8.54 0.00 0.47 0.02 0.11 90.87 08:20:03 2 8.74 0.00 0.44 0.02 0.11 90.69 08:20:03 3 9.05 0.00 0.57 0.04 0.11 90.24 08:30:03 all 11.24 0.00 0.52 0.03 0.11 88.10 08:30:03 0 11.37 0.00 0.47 0.02 0.11 88.03 08:30:03 1 11.02 0.00 0.52 0.04 0.12 88.30 08:30:03 2 11.17 0.00 0.61 0.02 0.12 88.08 08:30:03 3 11.38 0.00 0.48 0.05 0.11 87.98 08:40:01 all 10.65 0.00 0.46 0.03 0.11 88.74 08:40:01 0 10.62 0.00 0.40 0.01 0.11 88.86 08:40:01 1 10.33 0.00 0.45 0.02 0.11 89.09 08:40:01 2 10.81 0.00 0.50 0.07 0.12 88.50 08:40:01 3 10.83 0.00 0.51 0.04 0.11 88.51 08:50:03 all 14.31 0.00 0.62 0.04 0.11 84.92 08:50:03 0 13.36 0.00 0.48 0.08 0.11 85.97 08:50:03 1 14.83 0.00 0.58 0.04 0.11 84.45 08:50:03 2 14.71 0.00 0.75 0.02 0.12 84.40 08:50:03 3 14.33 0.00 0.66 0.02 0.10 84.88 09:00:03 all 14.48 0.00 0.70 0.04 0.11 84.67 09:00:03 0 14.43 0.00 0.64 0.04 0.10 84.80 09:00:03 1 14.37 0.00 0.66 0.01 0.11 84.85 09:00:03 2 15.49 0.00 0.80 0.07 0.12 83.52 09:00:03 3 13.63 0.00 0.72 0.03 0.12 85.51 Average: all 23.86 0.00 1.02 0.15 0.12 74.85 Average: 0 23.85 0.00 1.00 0.12 0.11 74.91 Average: 1 23.46 0.00 0.98 0.19 0.12 75.25 Average: 2 23.87 0.00 1.04 0.17 0.12 74.80 Average: 3 24.25 0.00 1.04 0.14 0.12 74.45