---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-5115 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 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 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 711 10952 4 4325 14935 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:30:e7:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80759sec preferred_lft 80759sec inet6 fe80::f816:3eff:fe30:e711/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:aa:05:65:b9:2e 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-16g-5115) 01/27/26 _x86_64_ (4 CPU) 21:39:59 LINUX RESTART (4 CPU) 21:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:50:01 150.46 23.42 121.53 5.51 2523.19 46353.11 23912.06 22:00:01 79.14 23.56 52.97 2.61 338.45 5242.30 3073.34 22:10:01 21.11 0.08 20.00 1.03 7.60 744.60 315.66 22:20:01 27.90 0.20 11.23 16.48 8.52 313.97 211105.40 22:30:01 4.31 0.01 4.13 0.17 0.37 107.87 51.77 22:40:01 4.76 0.01 4.59 0.16 1.15 126.19 69.39 22:50:01 5.30 0.00 5.13 0.17 0.31 132.83 41.13 23:00:01 9.28 0.01 8.83 0.44 0.31 500.03 1199.27 23:10:01 7.98 0.08 7.58 0.32 2.36 251.20 118.04 Average: 34.48 5.26 26.23 2.99 320.39 5977.23 26653.84 21:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:50:01 3820888 14687812 1236556 7.55 247660 10385396 2142408 12.30 2114900 9663224 264940 22:00:01 3046744 6444608 9488360 57.95 267692 3121000 10240396 58.78 2039196 10715208 752 22:10:01 5361304 8874636 7060996 43.13 273712 3230204 7781892 44.67 2093272 8347268 276 22:20:01 7924408 11477936 4459948 27.24 276200 3267896 5168164 29.67 2105572 5787080 680 22:30:01 7863388 11428476 4509352 27.54 276920 3278736 5208672 29.90 2106908 5843628 568 22:40:01 6334724 9914632 6022436 36.78 277440 3293060 6663196 38.25 2109192 7370188 240 22:50:01 6213408 9808404 6128580 37.43 277948 3307636 6740288 38.69 2112136 7474064 264 23:00:01 7944400 11645948 4292020 26.21 281536 3409984 5167140 29.66 2119948 5755612 1528 23:10:01 6866504 10604836 5332728 32.57 282560 3445580 6005760 34.47 2139944 6797068 176 Average: 6152863 10543032 5392331 32.93 273519 4082166 6124213 35.15 2104563 7528149 29936 21:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:50:01 lo 3.11 3.11 2.42 2.42 0.00 0.00 0.00 0.00 21:50:01 ens3 159.86 118.39 2171.40 16.79 0.00 0.00 0.00 0.00 21:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:01 lo 43.51 43.51 26.03 26.03 0.00 0.00 0.00 0.00 22:00:01 ens3 2.08 1.82 0.45 0.39 0.00 0.00 0.00 0.00 22:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:01 lo 32.95 32.95 12.72 12.72 0.00 0.00 0.00 0.00 22:10:01 ens3 1.39 1.22 0.35 0.32 0.00 0.00 0.00 0.00 22:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 lo 15.96 15.96 8.70 8.70 0.00 0.00 0.00 0.00 22:20:01 ens3 0.85 0.65 0.17 0.79 0.00 0.00 0.00 0.00 22:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:01 lo 20.51 20.51 8.60 8.60 0.00 0.00 0.00 0.00 22:30:01 ens3 0.78 0.60 0.18 0.40 0.00 0.00 0.00 0.00 22:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:01 lo 27.03 27.03 11.37 11.37 0.00 0.00 0.00 0.00 22:40:01 ens3 0.72 0.48 0.19 0.13 0.00 0.00 0.00 0.00 22:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 lo 17.33 17.33 10.24 10.24 0.00 0.00 0.00 0.00 22:50:01 ens3 0.74 0.54 0.17 0.13 0.00 0.00 0.00 0.00 22:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:01 lo 12.00 12.00 7.18 7.18 0.00 0.00 0.00 0.00 23:00:01 ens3 0.65 0.54 0.19 0.15 0.00 0.00 0.00 0.00 23:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 lo 24.00 24.00 10.45 10.45 0.00 0.00 0.00 0.00 23:10:01 ens3 0.93 0.76 0.24 0.19 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.82 21.82 10.86 10.86 0.00 0.00 0.00 0.00 Average: ens3 18.67 13.90 241.60 2.14 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-16g-5115) 01/27/26 _x86_64_ (4 CPU) 21:39:59 LINUX RESTART (4 CPU) 21:40:00 CPU %user %nice %system %iowait %steal %idle 21:50:01 all 40.18 0.00 2.56 1.24 0.09 55.93 21:50:01 0 40.08 0.00 2.36 1.26 0.08 56.22 21:50:01 1 43.75 0.00 2.63 1.19 0.09 52.34 21:50:01 2 40.49 0.00 2.91 1.28 0.10 55.23 21:50:01 3 36.39 0.00 2.34 1.23 0.09 59.95 22:00:01 all 62.20 0.00 2.30 2.59 0.12 32.79 22:00:01 0 62.48 0.00 2.34 2.51 0.11 32.56 22:00:01 1 61.17 0.00 2.53 2.73 0.12 33.45 22:00:01 2 62.44 0.00 2.17 2.57 0.11 32.71 22:00:01 3 62.70 0.00 2.17 2.56 0.12 32.46 22:10:01 all 33.84 0.00 1.38 3.17 0.11 61.50 22:10:01 0 33.13 0.00 1.39 2.50 0.11 62.88 22:10:01 1 33.93 0.00 1.39 2.34 0.11 62.24 22:10:01 2 34.72 0.00 1.41 4.64 0.11 59.11 22:10:01 3 33.59 0.00 1.33 3.19 0.11 61.78 22:20:01 all 20.13 0.00 0.74 0.34 0.08 78.71 22:20:01 0 20.43 0.00 0.82 0.49 0.08 78.18 22:20:01 1 20.87 0.00 0.76 0.35 0.09 77.93 22:20:01 2 19.42 0.00 0.63 0.23 0.09 79.63 22:20:01 3 19.79 0.00 0.74 0.29 0.08 79.11 22:30:01 all 8.17 0.00 0.42 0.22 0.08 91.12 22:30:01 0 8.19 0.00 0.37 0.19 0.08 91.19 22:30:01 1 8.42 0.00 0.45 0.17 0.08 90.89 22:30:01 2 8.35 0.00 0.45 0.46 0.08 90.66 22:30:01 3 7.73 0.00 0.40 0.06 0.08 91.73 22:40:01 all 10.02 0.00 0.44 0.30 0.08 89.17 22:40:01 0 9.95 0.00 0.44 0.07 0.08 89.47 22:40:01 1 9.99 0.00 0.42 0.83 0.08 88.68 22:40:01 2 10.18 0.00 0.51 0.18 0.08 89.05 22:40:01 3 9.97 0.00 0.38 0.13 0.07 89.46 22:50:01 all 9.53 0.00 0.49 0.09 0.08 89.81 22:50:01 0 9.80 0.00 0.41 0.11 0.08 89.60 22:50:01 1 9.02 0.00 0.57 0.15 0.09 90.17 22:50:01 2 9.68 0.00 0.51 0.06 0.08 89.67 22:50:01 3 9.63 0.00 0.46 0.03 0.08 89.80 23:00:01 all 12.31 0.00 0.53 0.10 0.08 86.98 23:00:01 0 11.58 0.00 0.47 0.14 0.08 87.73 23:00:01 1 12.08 0.00 0.60 0.14 0.08 87.10 23:00:01 2 13.01 0.00 0.48 0.08 0.07 86.34 23:00:01 3 12.56 0.00 0.56 0.05 0.08 86.75 23:10:01 all 14.79 0.00 0.62 0.03 0.09 84.47 23:10:01 0 14.44 0.00 0.57 0.05 0.08 84.86 23:10:01 1 14.85 0.00 0.65 0.03 0.09 84.38 23:10:01 2 14.73 0.00 0.63 0.02 0.09 84.53 23:10:01 3 15.14 0.00 0.62 0.03 0.09 84.12 Average: all 23.46 0.00 1.05 0.90 0.09 74.50 Average: 0 23.34 0.00 1.02 0.81 0.09 74.74 Average: 1 23.78 0.00 1.11 0.88 0.09 74.14 Average: 2 23.66 0.00 1.08 1.06 0.09 74.11 Average: 3 23.05 0.00 1.00 0.84 0.09 75.03