---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-59643 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 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 699 11912 4 3376 14946 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:f6:14:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80283sec preferred_lft 80283sec inet6 fe80::f816:3eff:fef6:1415/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:0f:ce:d7:5b:53 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-59643) 03/05/26 _x86_64_ (4 CPU) 11:57:53 LINUX RESTART (4 CPU) 12:00:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:03 143.61 3.23 136.62 3.76 171.76 36059.33 27874.95 12:20:10 61.40 29.98 29.69 1.72 412.41 1715.56 1226.08 12:30:11 5.75 0.65 4.87 0.23 23.12 164.28 614.14 12:40:11 15.06 0.04 14.27 0.75 1.16 630.91 1018.46 12:50:24 13.79 0.01 13.11 0.67 0.84 366.88 330.82 13:00:11 5.02 0.03 4.81 0.18 1.51 126.49 39.73 13:10:00 5.04 0.04 4.80 0.19 2.28 140.26 56.02 13:20:12 4.92 0.01 4.72 0.19 0.84 136.40 186.77 13:30:09 11.70 0.42 10.72 0.56 10.66 629.49 257.66 Average: 29.31 3.86 24.54 0.91 69.54 4344.17 3437.52 12:00:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:03 1918016 6692372 9235604 56.41 253780 4396336 10784876 61.91 2049960 11711996 3760 12:20:10 3972344 6305372 9634152 58.84 260388 2135856 10804460 62.02 1813620 10091928 584 12:30:11 7931404 10287456 5655232 34.54 261200 2157880 6999500 40.18 1828360 6138236 292 12:40:11 11191100 13655128 2289060 13.98 266536 2260600 3001572 17.23 1866232 2853400 36 12:50:24 8929936 11437556 4505520 27.52 268968 2301764 5248628 30.13 1870996 5102228 220 13:00:11 8939552 11460996 4482012 27.37 269404 2315268 5166760 29.66 1872160 5089900 472 13:10:00 7426240 9964628 5977464 36.51 269864 2331728 6666168 38.26 1874588 6592124 436 13:20:12 7348884 9904928 6037104 36.87 270608 2348640 6711528 38.52 1878088 6667320 168 13:30:09 8640372 11329200 4613936 28.18 274636 2476700 5309224 30.47 1897116 5356768 148 Average: 7366428 10115293 5825565 35.58 266154 2524975 6743635 38.71 1883458 6622656 680 12:00:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:03 lo 8.13 8.13 9.26 9.26 0.00 0.00 0.00 0.00 12:10:03 ens3 67.14 52.64 1116.00 5.91 0.00 0.00 0.00 0.00 12:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:10 lo 39.58 39.58 19.47 19.47 0.00 0.00 0.00 0.00 12:20:10 ens3 1.79 1.67 0.44 0.38 0.00 0.00 0.00 0.00 12:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:11 lo 25.38 25.38 9.50 9.50 0.00 0.00 0.00 0.00 12:30:11 ens3 0.50 0.41 0.11 0.08 0.00 0.00 0.00 0.00 12:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:11 lo 11.11 11.11 5.83 5.83 0.00 0.00 0.00 0.00 12:40:11 ens3 1.57 1.73 0.40 1.35 0.00 0.00 0.00 0.00 12:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:24 lo 20.56 20.56 10.79 10.79 0.00 0.00 0.00 0.00 12:50:24 ens3 1.15 0.97 0.34 0.27 0.00 0.00 0.00 0.00 12:50:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:11 lo 22.48 22.48 8.71 8.71 0.00 0.00 0.00 0.00 13:00:11 ens3 1.72 0.53 0.23 0.14 0.00 0.00 0.00 0.00 13:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:00 lo 25.66 25.66 11.26 11.26 0.00 0.00 0.00 0.00 13:10:00 ens3 0.78 0.55 0.22 0.16 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 13:20:12 lo 15.94 15.94 9.67 9.67 0.00 0.00 0.00 0.00 13:20:12 ens3 0.60 0.56 0.13 0.11 0.00 0.00 0.00 0.00 13:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:09 lo 19.44 19.44 10.58 10.58 0.00 0.00 0.00 0.00 13:30:09 ens3 1.08 0.87 0.31 0.24 0.00 0.00 0.00 0.00 13:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.96 20.96 10.58 10.58 0.00 0.00 0.00 0.00 Average: ens3 8.30 6.52 121.14 0.95 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-59643) 03/05/26 _x86_64_ (4 CPU) 11:57:53 LINUX RESTART (4 CPU) 12:00:20 CPU %user %nice %system %iowait %steal %idle 12:10:03 all 56.35 0.00 2.59 0.33 0.09 40.64 12:10:03 0 53.20 0.00 2.58 0.29 0.08 43.84 12:10:03 1 58.37 0.00 2.75 0.37 0.09 38.42 12:10:03 2 57.70 0.00 2.62 0.28 0.09 39.32 12:10:03 3 56.13 0.00 2.42 0.40 0.09 40.96 12:20:10 all 51.50 0.00 2.00 0.13 0.10 46.27 12:20:10 0 51.16 0.00 1.93 0.22 0.10 46.59 12:20:10 1 52.20 0.00 1.98 0.12 0.10 45.60 12:20:10 2 51.66 0.00 2.09 0.09 0.10 46.06 12:20:10 3 50.97 0.00 2.00 0.10 0.10 46.83 12:30:11 all 11.26 0.00 0.55 0.03 0.10 88.07 12:30:11 0 10.95 0.00 0.49 0.04 0.10 88.42 12:30:11 1 10.88 0.00 0.56 0.01 0.10 88.45 12:30:11 2 11.78 0.00 0.62 0.03 0.10 87.47 12:30:11 3 11.40 0.00 0.53 0.03 0.10 87.93 12:40:11 all 22.12 0.00 0.83 0.05 0.09 76.90 12:40:11 0 21.99 0.00 0.76 0.02 0.09 77.13 12:40:11 1 21.63 0.00 0.94 0.06 0.10 77.27 12:40:11 2 22.69 0.00 0.77 0.03 0.10 76.41 12:40:11 3 22.18 0.00 0.86 0.11 0.09 76.78 12:50:24 all 24.42 0.00 0.82 0.05 0.10 74.62 12:50:24 0 24.11 0.00 0.76 0.04 0.08 75.00 12:50:24 1 23.88 0.00 0.89 0.04 0.10 75.08 12:50:24 2 24.92 0.00 0.85 0.06 0.10 74.08 12:50:24 3 24.75 0.00 0.77 0.05 0.10 74.34 13:00:11 all 9.15 0.00 0.41 0.02 0.10 90.33 13:00:11 0 8.87 0.00 0.42 0.04 0.09 90.57 13:00:11 1 9.18 0.00 0.42 0.01 0.10 90.29 13:00:11 2 9.26 0.00 0.39 0.02 0.10 90.24 13:00:11 3 9.27 0.00 0.42 0.01 0.10 90.21 13:10:00 all 11.59 0.00 0.63 0.02 0.08 87.68 13:10:00 0 11.78 0.00 0.58 0.01 0.08 87.55 13:10:00 1 11.59 0.00 0.64 0.06 0.08 87.62 13:10:00 2 11.94 0.00 0.72 0.01 0.08 87.24 13:10:00 3 11.03 0.00 0.58 0.01 0.08 88.30 13:20:12 all 10.85 0.00 0.58 0.02 0.09 88.46 13:20:12 0 10.54 0.00 0.58 0.01 0.08 88.80 13:20:12 1 10.69 0.00 0.55 0.01 0.09 88.66 13:20:12 2 11.24 0.00 0.57 0.05 0.09 88.05 13:20:12 3 10.93 0.00 0.62 0.01 0.09 88.35 13:30:09 all 19.84 0.00 0.78 0.04 0.09 79.26 13:30:09 0 19.65 0.00 0.73 0.09 0.09 79.45 13:30:09 1 19.53 0.00 0.77 0.01 0.09 79.61 13:30:09 2 19.82 0.00 0.71 0.03 0.10 79.35 13:30:09 3 20.35 0.00 0.90 0.03 0.09 78.63 Average: all 24.08 0.00 1.02 0.08 0.09 74.73 Average: 0 23.56 0.00 0.98 0.08 0.09 75.29 Average: 1 24.16 0.00 1.05 0.08 0.10 74.61 Average: 2 24.51 0.00 1.03 0.07 0.09 74.30 Average: 3 24.08 0.00 1.01 0.08 0.09 74.73