---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-34014 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 17G 61G 22% / 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 735 7214 3 8039 14911 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:a1:a1:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80391sec preferred_lft 80391sec inet6 fe80::f816:3eff:fea1:a10f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:46:e2:7e:29:f1 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::7c46:e2ff:fe7e:29f1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-34014) 07/08/26 _x86_64_ (4 CPU) 13:10:54 LINUX RESTART (4 CPU) 13:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:03 13.11 1.68 10.99 0.45 83.36 1476.91 545.32 13:40:03 7.63 0.00 7.25 0.38 0.03 215.59 631.02 13:50:01 34.46 19.34 14.34 0.78 159.58 1654.48 823.90 14:00:03 47.46 12.40 33.26 1.79 99.22 1925.76 868.71 14:10:03 8.33 0.00 7.98 0.34 0.00 255.47 230.15 14:20:01 5.18 0.00 4.96 0.21 0.09 141.83 76.20 14:30:03 5.66 0.00 5.46 0.19 0.00 147.63 114.20 14:40:03 5.11 0.00 4.93 0.18 0.01 155.13 272.73 14:50:01 23.71 0.10 7.95 15.66 1.51 541.27 215529.18 Average: 16.74 3.72 10.80 2.22 38.21 724.10 24280.12 13:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:03 3564328 10025108 5903800 36.06 245944 6058280 6929596 39.78 2051552 10031348 308 13:40:03 4772356 11246640 4682468 28.60 247616 6070044 5483904 31.48 2071244 8813204 228 13:50:01 3291544 10186808 5740460 35.06 259472 6465532 6514260 37.39 2179672 10175416 2928 14:00:03 3020564 10313860 5612428 34.28 273036 6839724 6350632 36.45 2382324 10229320 440 14:10:03 4125280 11450604 4476744 27.34 274192 6870532 5299324 30.42 2387068 9129788 264 14:20:01 3941800 11285732 4641564 28.35 274856 6888412 5413424 31.07 2388604 9290200 176 14:30:03 2666520 10031300 5895312 36.01 275524 6908556 6732256 38.64 2390776 10560628 424 14:40:03 2480912 9868200 6058308 37.00 276208 6930300 6856632 39.36 2394108 10743780 276 14:50:01 7729844 15381568 546832 3.34 280096 7184800 1234576 7.09 2406548 5504684 132408 Average: 3954794 11087758 4839768 29.56 267438 6690687 5646067 32.41 2294655 9386485 15272 13:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:03 lo 11.97 11.97 8.92 8.92 0.00 0.00 0.00 0.00 13:30:03 ens3 0.55 0.45 0.10 0.10 0.00 0.00 0.00 0.00 13:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:03 lo 13.86 13.86 7.19 7.19 0.00 0.00 0.00 0.00 13:40:03 ens3 0.74 0.57 0.17 0.12 0.00 0.00 0.00 0.00 13:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 lo 11.83 11.83 9.41 9.41 0.00 0.00 0.00 0.00 13:50:01 ens3 0.82 0.70 0.30 0.23 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:03 lo 25.95 25.95 16.80 16.80 0.00 0.00 0.00 0.00 14:00:03 ens3 1.79 1.63 0.44 0.39 0.00 0.00 0.00 0.00 14:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:03 lo 21.24 21.24 9.55 9.55 0.00 0.00 0.00 0.00 14:10:03 ens3 0.80 0.69 0.17 0.14 0.00 0.00 0.00 0.00 14:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 lo 22.54 22.54 8.86 8.86 0.00 0.00 0.00 0.00 14:20:01 ens3 0.68 0.55 0.16 0.13 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:03 lo 19.05 19.05 8.43 8.43 0.00 0.00 0.00 0.00 14:30:03 ens3 0.43 0.32 0.10 0.06 0.00 0.00 0.00 0.00 14:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:03 lo 19.48 19.48 10.42 10.42 0.00 0.00 0.00 0.00 14:40:03 ens3 0.79 0.55 0.18 0.13 0.00 0.00 0.00 0.00 14:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:01 lo 15.32 15.32 9.31 9.31 0.00 0.00 0.00 0.00 14:50:01 ens3 1.23 1.05 0.34 0.33 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 17.92 17.92 9.88 9.88 0.00 0.00 0.00 0.00 Average: ens3 0.87 0.72 0.22 0.18 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-34014) 07/08/26 _x86_64_ (4 CPU) 13:10:54 LINUX RESTART (4 CPU) 13:20:01 CPU %user %nice %system %iowait %steal %idle 13:30:03 all 16.83 0.00 0.71 0.57 0.07 81.81 13:30:03 0 17.76 0.00 0.64 0.50 0.07 81.02 13:30:03 1 16.03 0.00 0.80 0.79 0.07 82.31 13:30:03 2 17.01 0.00 0.60 0.44 0.07 81.88 13:30:03 3 16.53 0.00 0.80 0.55 0.08 82.05 13:40:03 all 15.94 0.00 0.61 0.47 0.08 82.91 13:40:03 0 16.58 0.00 0.76 0.59 0.07 82.00 13:40:03 1 15.51 0.00 0.55 0.36 0.08 83.50 13:40:03 2 15.56 0.00 0.53 0.61 0.08 83.22 13:40:03 3 16.09 0.00 0.60 0.34 0.07 82.90 13:50:01 all 19.94 0.00 0.70 2.44 0.09 76.83 13:50:01 0 19.47 0.00 0.63 2.56 0.08 77.25 13:50:01 1 20.61 0.00 0.75 2.11 0.09 76.44 13:50:01 2 20.56 0.00 0.69 2.39 0.09 76.27 13:50:01 3 19.09 0.00 0.74 2.70 0.09 77.38 14:00:03 all 54.07 0.00 1.62 0.49 0.12 43.70 14:00:03 0 54.20 0.00 1.63 0.27 0.12 43.78 14:00:03 1 54.33 0.00 1.59 0.31 0.12 43.65 14:00:03 2 54.42 0.00 1.62 1.05 0.12 42.80 14:00:03 3 53.34 0.00 1.64 0.34 0.12 44.56 14:10:03 all 18.30 0.00 0.70 0.54 0.08 80.37 14:10:03 0 18.40 0.00 0.60 0.64 0.08 80.28 14:10:03 1 18.99 0.00 0.76 0.18 0.09 79.98 14:10:03 2 18.53 0.00 0.77 0.09 0.09 80.52 14:10:03 3 17.28 0.00 0.67 1.25 0.09 80.71 14:20:01 all 8.47 0.00 0.51 0.43 0.07 90.51 14:20:01 0 8.12 0.00 0.48 0.65 0.07 90.68 14:20:01 1 8.57 0.00 0.57 0.40 0.09 90.37 14:20:01 2 8.53 0.00 0.55 0.52 0.08 90.32 14:20:01 3 8.67 0.00 0.44 0.15 0.07 90.67 14:30:03 all 11.33 0.00 0.44 6.15 0.08 82.01 14:30:03 0 9.95 0.00 0.47 9.64 0.08 79.86 14:30:03 1 16.39 0.00 0.43 1.02 0.08 82.09 14:30:03 2 9.91 0.00 0.47 6.54 0.08 83.01 14:30:03 3 9.08 0.00 0.37 7.40 0.07 83.07 14:40:03 all 10.15 0.00 0.37 0.14 0.08 89.26 14:40:03 0 10.16 0.00 0.38 0.13 0.07 89.26 14:40:03 1 10.01 0.00 0.30 0.04 0.08 89.57 14:40:03 2 10.20 0.00 0.41 0.32 0.08 88.99 14:40:03 3 10.24 0.00 0.36 0.09 0.07 89.24 14:50:01 all 13.55 0.00 0.52 1.21 0.08 84.65 14:50:01 0 13.50 0.00 0.40 2.42 0.07 83.61 14:50:01 1 13.59 0.00 0.58 0.48 0.08 85.26 14:50:01 2 13.60 0.00 0.56 1.07 0.08 84.70 14:50:01 3 13.49 0.00 0.54 0.86 0.07 85.03 Average: all 18.74 0.00 0.69 1.38 0.08 79.11 Average: 0 18.69 0.00 0.67 1.94 0.08 78.63 Average: 1 19.34 0.00 0.70 0.63 0.09 79.24 Average: 2 18.70 0.00 0.69 1.45 0.08 79.07 Average: 3 18.21 0.00 0.69 1.52 0.08 79.51