---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-12720 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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 719 10685 3 4584 14927 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:15:85:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79607sec preferred_lft 79607sec inet6 fe80::f816:3eff:fe15:8557/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:ec:12:98:6b:b4 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-16g-12720) 12/11/25 _x86_64_ (4 CPU) 16:31:09 LINUX RESTART (4 CPU) 16:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:50:02 74.92 22.63 49.36 2.92 319.87 5433.70 4572.41 17:00:01 16.58 0.18 15.61 0.80 6.87 400.60 678.50 17:10:02 8.21 0.15 7.64 0.43 8.40 270.91 497.76 17:20:31 12.33 0.08 11.68 0.57 3.06 606.11 492.05 17:30:01 16.81 0.02 16.01 0.78 0.80 527.15 267.28 17:40:01 3.56 0.03 3.53 0.00 1.23 56.71 0.00 17:50:30 21.96 0.12 7.04 14.80 2.72 229.79 200902.31 18:00:01 5.54 0.00 5.33 0.21 0.32 163.28 68.16 18:10:01 7.83 0.02 7.46 0.35 0.64 360.19 330.31 18:20:30 9.22 0.01 8.83 0.38 0.61 466.87 136.79 Average: 17.72 2.32 13.22 2.19 34.35 850.98 21663.83 16:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:50:02 1627172 5038284 10893832 66.54 261652 3137276 12083164 69.36 2191740 11967540 248 17:00:01 2535764 5969932 9963432 60.85 263956 3157884 11040472 63.37 2227416 11030812 572 17:10:02 6396940 9854772 6081276 37.14 264808 3180728 6886376 39.53 2235748 7169452 500 17:20:31 11720496 15310184 628496 3.84 269824 3307484 1307420 7.50 2274864 1824736 10352 17:30:01 8394240 12045872 3891508 23.77 271912 3367356 4896420 28.11 2279068 5141544 468 17:40:01 7718012 11372156 4564480 27.88 272236 3369544 5224856 29.99 2279776 5822696 236 17:50:30 6302920 9998360 5937576 36.26 275164 3407896 6615808 37.97 2289420 7212892 104 18:00:01 6050352 9766828 6169036 37.68 275616 3428480 6764964 38.83 2292308 7462808 464 18:10:01 9104620 12941876 2995436 18.29 279280 3544256 4287488 24.61 2299924 4404712 54792 18:20:30 6811916 10698580 5237600 31.99 280328 3592392 5927912 34.03 2319832 6677440 392 Average: 6666243 10299684 5636267 34.42 271478 3349330 6503488 37.33 2269010 6871463 6813 16:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:50:02 lo 26.72 26.72 19.34 19.34 0.00 0.00 0.00 0.00 16:50:02 ens3 2.29 1.95 0.70 0.58 0.00 0.00 0.00 0.00 16:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 lo 36.67 36.67 14.89 14.89 0.00 0.00 0.00 0.00 17:00:01 ens3 1.56 1.17 0.37 0.29 0.00 0.00 0.00 0.00 17:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:02 lo 18.79 18.79 8.72 8.72 0.00 0.00 0.00 0.00 17:10:02 ens3 0.69 0.42 0.16 0.11 0.00 0.00 0.00 0.00 17:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:31 lo 11.61 11.61 5.78 5.78 0.00 0.00 0.00 0.00 17:20:31 ens3 0.93 0.77 0.28 0.22 0.00 0.00 0.00 0.00 17:20:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:01 lo 17.85 17.85 8.77 8.77 0.00 0.00 0.00 0.00 17:30:01 ens3 1.08 1.13 0.20 1.45 0.00 0.00 0.00 0.00 17:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:01 lo 13.13 13.13 6.77 6.77 0.00 0.00 0.00 0.00 17:40:01 ens3 0.86 0.50 0.28 0.19 0.00 0.00 0.00 0.00 17:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:30 lo 28.13 28.13 11.22 11.22 0.00 0.00 0.00 0.00 17:50:30 ens3 0.60 0.44 0.12 0.08 0.00 0.00 0.00 0.00 17:50:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:01 lo 20.03 20.03 10.58 10.58 0.00 0.00 0.00 0.00 18:00:01 ens3 0.82 0.65 0.22 0.16 0.00 0.00 0.00 0.00 18:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 lo 14.48 14.48 7.87 7.87 0.00 0.00 0.00 0.00 18:10:01 ens3 0.88 0.71 0.28 0.22 0.00 0.00 0.00 0.00 18:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:30 lo 25.68 25.68 12.39 12.39 0.00 0.00 0.00 0.00 18:20:30 ens3 0.89 0.72 0.21 0.17 0.00 0.00 0.00 0.00 18:20:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.34 21.34 10.63 10.63 0.00 0.00 0.00 0.00 Average: ens3 1.06 0.84 0.28 0.34 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-16g-12720) 12/11/25 _x86_64_ (4 CPU) 16:31:09 LINUX RESTART (4 CPU) 16:40:01 CPU %user %nice %system %iowait %steal %idle 16:50:02 all 59.08 0.00 2.59 0.24 0.13 37.96 16:50:02 0 59.79 0.00 2.47 0.20 0.13 37.41 16:50:02 1 59.48 0.00 2.81 0.41 0.13 37.17 16:50:02 2 57.96 0.00 2.60 0.16 0.14 39.15 16:50:02 3 59.08 0.00 2.49 0.19 0.13 38.11 17:00:01 all 33.28 0.00 1.41 0.04 0.13 65.13 17:00:01 0 32.07 0.00 1.48 0.05 0.13 66.28 17:00:01 1 33.59 0.00 1.38 0.03 0.13 64.87 17:00:01 2 33.66 0.00 1.46 0.05 0.13 64.71 17:00:01 3 33.82 0.00 1.33 0.05 0.13 64.68 17:10:02 all 16.36 0.00 0.83 0.04 0.12 82.66 17:10:02 0 15.75 0.00 0.81 0.06 0.11 83.27 17:10:02 1 16.77 0.00 0.91 0.01 0.12 82.20 17:10:02 2 16.84 0.00 0.82 0.07 0.12 82.15 17:10:02 3 16.07 0.00 0.77 0.03 0.11 83.01 17:20:31 all 17.22 0.00 0.68 0.05 0.11 81.93 17:20:31 0 17.00 0.00 0.59 0.03 0.11 82.28 17:20:31 1 16.89 0.00 0.71 0.04 0.11 82.26 17:20:31 2 18.07 0.00 0.74 0.04 0.11 81.04 17:20:31 3 16.94 0.00 0.70 0.11 0.11 82.14 17:30:01 all 27.46 0.00 0.95 0.06 0.11 71.41 17:30:01 0 27.29 0.00 0.88 0.05 0.10 71.68 17:30:01 1 26.36 0.00 0.96 0.05 0.12 72.51 17:30:01 2 28.21 0.00 1.06 0.04 0.12 70.57 17:30:01 3 27.99 0.00 0.90 0.11 0.11 70.89 17:40:01 all 2.69 0.00 0.20 0.02 0.11 96.99 17:40:01 0 2.71 0.00 0.19 0.02 0.10 96.97 17:40:01 1 2.66 0.00 0.17 0.01 0.10 97.06 17:40:01 2 2.64 0.00 0.24 0.01 0.12 96.99 17:40:01 3 2.74 0.00 0.19 0.04 0.10 96.93 17:50:30 all 14.52 0.00 0.69 0.06 0.11 84.62 17:50:30 0 15.18 0.00 0.74 0.06 0.11 83.90 17:50:30 1 14.84 0.00 0.76 0.12 0.12 84.17 17:50:30 2 14.62 0.00 0.69 0.05 0.11 84.53 17:50:30 3 13.44 0.00 0.59 0.02 0.11 85.85 18:00:01 all 10.35 0.00 0.55 0.03 0.11 88.97 18:00:01 0 10.73 0.00 0.50 0.07 0.12 88.57 18:00:01 1 10.46 0.00 0.56 0.00 0.11 88.87 18:00:01 2 10.06 0.00 0.62 0.03 0.12 89.18 18:00:01 3 10.13 0.00 0.51 0.00 0.11 89.24 18:10:01 all 10.84 0.00 0.56 0.05 0.11 88.45 18:10:01 0 10.73 0.00 0.53 0.03 0.11 88.60 18:10:01 1 11.36 0.00 0.55 0.03 0.12 87.96 18:10:01 2 10.48 0.00 0.56 0.12 0.10 88.74 18:10:01 3 10.78 0.00 0.59 0.01 0.11 88.52 18:20:30 all 15.77 0.00 0.65 0.04 0.12 83.43 18:20:30 0 15.94 0.00 0.65 0.05 0.11 83.24 18:20:30 1 15.45 0.00 0.62 0.04 0.11 83.78 18:20:30 2 15.47 0.00 0.63 0.04 0.13 83.73 18:20:30 3 16.20 0.00 0.70 0.02 0.12 82.96 Average: all 20.70 0.00 0.91 0.06 0.12 78.22 Average: 0 20.67 0.00 0.88 0.06 0.11 78.27 Average: 1 20.72 0.00 0.94 0.07 0.12 78.15 Average: 2 20.74 0.00 0.94 0.06 0.12 78.14 Average: 3 20.65 0.00 0.87 0.06 0.11 78.30