---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-19025 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 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 681 12425 3 2883 14965 Swap: 1023 32 991 ---> 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:fc:46:39 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 80593sec preferred_lft 80593sec inet6 fe80::f816:3eff:fefc:4639/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:9d:89:e7:24:b9 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-19025) 05/22/26 _x86_64_ (4 CPU) 07:25:38 LINUX RESTART (4 CPU) 07:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:01 108.26 4.56 99.68 4.02 365.28 30916.13 11364.40 07:50:24 45.84 17.47 26.85 1.53 892.80 1573.90 1559.34 08:00:21 18.61 1.27 16.57 0.77 23.88 715.79 1301.47 08:10:02 12.93 0.15 12.19 0.60 2.96 344.47 413.16 08:20:24 4.47 0.08 4.23 0.16 1.57 114.13 48.29 08:30:03 5.07 0.32 4.57 0.18 5.56 136.33 120.14 08:40:04 4.87 0.07 4.62 0.18 1.80 135.57 49.29 08:50:05 11.68 0.23 10.91 0.55 6.08 631.94 319.15 09:00:24 20.51 0.10 5.16 15.24 3.37 162.38 204179.41 Average: 25.85 2.76 20.47 2.63 147.92 3828.06 25004.81 07:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:01 162520 2622244 13312008 81.30 251360 2256368 15267668 87.64 1783628 13904860 96 07:50:24 5576324 7366888 8573096 52.36 259372 1645440 9313688 53.46 1161416 9195720 116 08:00:21 11617004 13537600 2409048 14.71 264416 1769480 3582000 20.56 1221192 3126036 7824 08:10:02 9609892 11568056 4377328 26.73 267128 1804348 5144576 29.53 1226616 5111088 240 08:20:24 9426300 11399572 4545784 27.76 267956 1818628 5332856 30.61 1228628 5268148 400 08:30:03 8014836 10005776 5938796 36.27 268616 1835636 6749204 38.74 1232108 6700152 396 08:40:04 7960300 9969572 5974908 36.49 269180 1853420 6787892 38.96 1236172 6744332 556 08:50:05 9222748 11371696 4573392 27.93 273348 1984292 5278408 30.30 1254360 5471600 416 09:00:24 8485880 10666524 5278092 32.24 276116 2013172 5976240 34.30 1272592 6182580 60 Average: 7786200 9834214 6109161 37.31 266388 1886754 7048059 40.46 1290746 6856057 1123 07:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:01 lo 15.97 15.97 13.38 13.38 0.00 0.00 0.00 0.00 07:40:01 ens3 43.62 30.85 714.62 3.63 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:24 lo 50.55 50.55 25.56 25.56 0.00 0.00 0.00 0.00 07:50:24 ens3 1.90 1.81 0.45 0.40 0.00 0.00 0.00 0.00 07:50:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:21 lo 21.12 21.12 8.48 8.48 0.00 0.00 0.00 0.00 08:00:21 ens3 1.13 1.02 0.32 0.27 0.00 0.00 0.00 0.00 08:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:02 lo 20.55 20.55 10.86 10.86 0.00 0.00 0.00 0.00 08:10:02 ens3 0.92 0.78 0.23 0.18 0.00 0.00 0.00 0.00 08:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:24 lo 23.87 23.87 9.20 9.20 0.00 0.00 0.00 0.00 08:20:24 ens3 0.83 0.53 0.22 0.16 0.00 0.00 0.00 0.00 08:20:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:03 lo 24.79 24.79 11.08 11.08 0.00 0.00 0.00 0.00 08:30:03 ens3 1.39 0.71 0.42 0.29 0.00 0.00 0.00 0.00 08:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:04 lo 17.53 17.53 10.48 10.48 0.00 0.00 0.00 0.00 08:40:04 ens3 0.76 0.56 0.17 0.13 0.00 0.00 0.00 0.00 08:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:05 lo 18.61 18.61 10.17 10.17 0.00 0.00 0.00 0.00 08:50:05 ens3 0.94 0.83 0.25 0.21 0.00 0.00 0.00 0.00 08:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:24 lo 29.79 29.79 11.48 11.48 0.00 0.00 0.00 0.00 09:00:24 ens3 0.62 0.53 0.15 0.12 0.00 0.00 0.00 0.00 09:00:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 24.90 24.90 12.35 12.35 0.00 0.00 0.00 0.00 Average: ens3 5.74 4.15 78.83 0.59 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-19025) 05/22/26 _x86_64_ (4 CPU) 07:25:38 LINUX RESTART (4 CPU) 07:30:05 CPU %user %nice %system %iowait %steal %idle 07:40:01 all 59.03 0.00 2.47 0.32 0.12 38.06 07:40:01 0 60.96 0.00 2.27 0.27 0.12 36.37 07:40:01 1 59.09 0.00 2.45 0.24 0.12 38.10 07:40:01 2 58.53 0.00 2.66 0.31 0.12 38.37 07:40:01 3 57.55 0.00 2.49 0.44 0.12 39.40 07:50:24 all 49.35 0.00 1.78 0.14 0.12 48.61 07:50:24 0 48.95 0.00 1.78 0.24 0.12 48.91 07:50:24 1 48.87 0.00 1.85 0.06 0.12 49.10 07:50:24 2 49.68 0.00 1.77 0.12 0.12 48.31 07:50:24 3 49.92 0.00 1.70 0.14 0.12 48.12 08:00:21 all 26.77 0.00 1.03 0.06 0.11 72.04 08:00:21 0 26.37 0.00 1.00 0.03 0.09 72.51 08:00:21 1 27.25 0.00 1.03 0.05 0.10 71.57 08:00:21 2 26.26 0.00 1.12 0.02 0.14 72.45 08:00:21 3 27.19 0.00 0.96 0.14 0.10 71.62 08:10:02 all 23.70 0.00 0.79 0.04 0.08 75.38 08:10:02 0 23.44 0.00 0.66 0.01 0.08 75.82 08:10:02 1 23.52 0.00 0.85 0.04 0.09 75.50 08:10:02 2 23.82 0.00 0.85 0.05 0.08 75.19 08:10:02 3 24.03 0.00 0.82 0.07 0.08 74.99 08:20:24 all 8.23 0.00 0.44 0.02 0.06 91.25 08:20:24 0 8.43 0.00 0.43 0.03 0.06 91.05 08:20:24 1 8.16 0.00 0.48 0.01 0.07 91.28 08:20:24 2 7.64 0.00 0.43 0.02 0.07 91.85 08:20:24 3 8.70 0.00 0.42 0.01 0.06 90.81 08:30:03 all 10.61 0.00 0.44 0.02 0.07 88.86 08:30:03 0 10.60 0.00 0.37 0.03 0.07 88.93 08:30:03 1 10.77 0.00 0.43 0.02 0.07 88.72 08:30:03 2 10.35 0.00 0.52 0.03 0.07 89.03 08:30:03 3 10.71 0.00 0.44 0.01 0.07 88.78 08:40:04 all 10.52 0.00 0.55 0.02 0.07 88.84 08:40:04 0 10.32 0.00 0.47 0.00 0.07 89.14 08:40:04 1 10.87 0.00 0.70 0.02 0.08 88.33 08:40:04 2 10.37 0.00 0.51 0.03 0.08 89.03 08:40:04 3 10.52 0.00 0.53 0.04 0.07 88.85 08:50:05 all 20.22 0.00 0.79 0.04 0.07 78.87 08:50:05 0 20.15 0.00 0.90 0.07 0.07 78.81 08:50:05 1 20.64 0.00 0.71 0.01 0.08 78.56 08:50:05 2 19.38 0.00 0.80 0.04 0.08 79.71 08:50:05 3 20.71 0.00 0.75 0.05 0.07 78.41 09:00:24 all 9.95 0.00 0.47 0.04 0.07 89.47 09:00:24 0 9.69 0.00 0.36 0.01 0.05 89.88 09:00:24 1 10.21 0.00 0.53 0.08 0.07 89.10 09:00:24 2 10.13 0.00 0.47 0.03 0.07 89.31 09:00:24 3 9.78 0.00 0.54 0.02 0.07 89.59 Average: all 24.27 0.00 0.97 0.08 0.09 74.59 Average: 0 24.33 0.00 0.92 0.08 0.08 74.59 Average: 1 24.39 0.00 1.01 0.06 0.09 74.46 Average: 2 24.03 0.00 1.01 0.07 0.09 74.80 Average: 3 24.35 0.00 0.96 0.10 0.08 74.50