---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-1787 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: 5599.94 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 61G 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 708 11034 3 4246 14938 Swap: 1023 1 1022 ---> 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:89:fc:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.209/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80701sec preferred_lft 80701sec inet6 fe80::f816:3eff:fe89:fcfe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:46:bb:cc:7a:a4 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::3846:bbff:fecc:7aa4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-1787) 04/10/26 _x86_64_ (4 CPU) 11:59:45 LINUX RESTART (4 CPU) 12:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:05 148.16 16.56 126.57 5.03 2129.42 39294.93 11343.76 12:20:20 73.65 22.90 47.74 3.00 318.47 5178.61 2941.73 12:30:20 17.78 0.19 16.73 0.87 9.32 691.77 536.96 12:40:20 14.35 0.03 13.68 0.64 1.45 382.17 463.96 12:50:20 4.89 0.01 4.70 0.18 0.88 108.89 200.33 13:00:20 6.98 0.01 6.67 0.30 1.28 200.45 145.35 13:10:20 21.83 0.08 5.69 16.07 1.55 150.00 211033.08 13:20:20 7.90 0.01 7.55 0.35 0.31 495.24 85.25 13:30:20 7.87 0.03 7.51 0.33 0.88 262.59 108.73 Average: 33.93 4.49 26.47 2.98 275.56 5227.49 25132.78 12:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:05 4423020 15243756 680952 4.16 247608 10336136 1484460 8.52 2004332 9164668 227396 12:20:20 2431332 5713572 10218592 62.41 263116 3013272 10937136 62.78 2096472 11270584 1092 12:30:20 7890884 11283672 4651184 28.41 268756 3118080 5366964 30.81 2148764 5762036 5276 12:40:20 8003448 11432448 4505220 27.52 271156 3151892 5341000 30.66 2154948 5660080 60 12:50:20 7686504 11125772 4811764 29.39 271876 3161444 5532156 31.75 2156408 5969732 148 13:00:20 6618524 10083320 5853592 35.75 272536 3186308 6674012 38.31 2159340 7034288 700 13:10:20 6549408 10037120 5899660 36.03 275048 3206712 6725120 38.60 2169468 7096160 172 13:20:20 8438900 12035308 3903088 23.84 278532 3310168 4968164 28.52 2176708 5214028 1564 13:30:20 7283400 10919656 5017776 30.65 279640 3348812 5844820 33.55 2195796 6347020 364 Average: 6591713 10874958 5060203 30.91 269808 3981425 5874870 33.72 2140248 7057622 26308 12:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:05 lo 3.11 3.11 2.34 2.34 0.00 0.00 0.00 0.00 12:10:05 ens3 160.56 125.04 2041.90 17.46 0.00 0.00 0.00 0.00 12:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:20 lo 42.76 42.76 25.57 25.57 0.00 0.00 0.00 0.00 12:20:20 ens3 2.06 1.81 0.47 0.40 0.00 0.00 0.00 0.00 12:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:20 lo 29.52 29.52 11.51 11.51 0.00 0.00 0.00 0.00 12:30:20 ens3 2.19 1.13 0.33 1.16 0.00 0.00 0.00 0.00 12:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:20 lo 16.49 16.49 7.72 7.72 0.00 0.00 0.00 0.00 12:40:20 ens3 0.87 0.64 0.21 0.16 0.00 0.00 0.00 0.00 12:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:20 lo 13.75 13.75 7.37 7.37 0.00 0.00 0.00 0.00 12:50:20 ens3 0.68 0.50 0.17 0.12 0.00 0.00 0.00 0.00 12:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:20 lo 29.61 29.61 11.73 11.73 0.00 0.00 0.00 0.00 13:00:20 ens3 0.66 0.49 0.17 0.13 0.00 0.00 0.00 0.00 13:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:20 lo 19.32 19.32 10.15 10.15 0.00 0.00 0.00 0.00 13:10:20 ens3 0.68 0.69 0.15 0.12 0.00 0.00 0.00 0.00 13:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:20 lo 14.57 14.57 7.89 7.89 0.00 0.00 0.00 0.00 13:20:20 ens3 0.79 0.67 0.22 0.17 0.00 0.00 0.00 0.00 13:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:20 lo 24.61 24.61 12.08 12.08 0.00 0.00 0.00 0.00 13:30:20 ens3 0.82 0.70 0.17 0.14 0.00 0.00 0.00 0.00 13:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.57 21.57 10.74 10.74 0.00 0.00 0.00 0.00 Average: ens3 18.90 14.70 228.14 2.22 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-1787) 04/10/26 _x86_64_ (4 CPU) 11:59:45 LINUX RESTART (4 CPU) 12:00:00 CPU %user %nice %system %iowait %steal %idle 12:10:05 all 40.20 0.00 2.57 4.56 0.09 52.58 12:10:05 0 40.98 0.00 2.79 3.97 0.09 52.16 12:10:05 1 36.40 0.00 2.16 3.14 0.09 58.22 12:10:05 2 40.68 0.00 2.61 7.46 0.08 49.17 12:10:05 3 42.73 0.00 2.73 3.67 0.09 50.77 12:20:20 all 65.08 0.00 2.35 0.17 0.13 32.27 12:20:20 0 65.48 0.00 2.34 0.14 0.13 31.92 12:20:20 1 65.80 0.00 2.31 0.25 0.13 31.52 12:20:20 2 64.50 0.00 2.50 0.13 0.13 32.74 12:20:20 3 64.55 0.00 2.25 0.16 0.13 32.90 12:30:20 all 27.19 0.00 1.10 0.07 0.10 71.54 12:30:20 0 26.80 0.00 1.10 0.08 0.10 71.92 12:30:20 1 27.60 0.00 1.12 0.08 0.10 71.10 12:30:20 2 27.04 0.00 1.15 0.06 0.11 71.64 12:30:20 3 27.31 0.00 1.02 0.08 0.10 71.49 12:40:20 all 22.31 0.00 0.79 0.05 0.09 76.76 12:40:20 0 22.57 0.00 0.81 0.12 0.09 76.40 12:40:20 1 22.31 0.00 0.85 0.02 0.09 76.74 12:40:20 2 22.28 0.00 0.82 0.03 0.09 76.78 12:40:20 3 22.09 0.00 0.70 0.02 0.08 77.11 12:50:20 all 7.99 0.00 0.36 0.02 0.09 91.54 12:50:20 0 7.78 0.00 0.35 0.02 0.10 91.75 12:50:20 1 7.88 0.00 0.45 0.01 0.09 91.57 12:50:20 2 8.08 0.00 0.32 0.05 0.09 91.46 12:50:20 3 8.20 0.00 0.34 0.01 0.09 91.36 13:00:20 all 15.64 0.00 0.55 0.32 0.08 83.42 13:00:20 0 15.66 0.00 0.52 0.21 0.07 83.54 13:00:20 1 15.22 0.00 0.59 0.96 0.08 83.15 13:00:20 2 16.07 0.00 0.61 0.08 0.07 83.16 13:00:20 3 15.59 0.00 0.48 0.04 0.08 83.82 13:10:20 all 10.70 0.00 0.47 1.29 0.07 87.48 13:10:20 0 10.80 0.00 0.47 1.72 0.06 86.95 13:10:20 1 10.63 0.00 0.45 1.58 0.07 87.28 13:10:20 2 11.07 0.00 0.53 1.04 0.07 87.29 13:10:20 3 10.29 0.00 0.44 0.82 0.07 88.38 13:20:20 all 11.96 0.00 0.57 0.07 0.07 87.33 13:20:20 0 12.89 0.00 0.58 0.12 0.07 86.34 13:20:20 1 11.50 0.00 0.55 0.04 0.07 87.84 13:20:20 2 11.72 0.00 0.65 0.02 0.07 87.53 13:20:20 3 11.73 0.00 0.49 0.10 0.07 87.61 13:30:20 all 16.38 0.00 0.61 0.03 0.07 82.91 13:30:20 0 16.75 0.00 0.70 0.04 0.07 82.45 13:30:20 1 16.06 0.00 0.54 0.05 0.07 83.28 13:30:20 2 16.76 0.00 0.58 0.01 0.07 82.58 13:30:20 3 15.93 0.00 0.62 0.02 0.07 83.35 Average: all 24.28 0.00 1.05 0.73 0.09 73.85 Average: 0 24.54 0.00 1.08 0.71 0.09 73.58 Average: 1 23.84 0.00 1.00 0.68 0.09 74.39 Average: 2 24.36 0.00 1.09 0.99 0.09 73.47 Average: 3 24.39 0.00 1.01 0.55 0.09 73.96