---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-25822 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: 5599.94 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 708 12390 4 2890 14938 Swap: 1023 20 1003 ---> 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:82:e0:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80033sec preferred_lft 80033sec inet6 fe80::f816:3eff:fe82:e061/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:d9:45:62:20:5a 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::14d9:45ff:fe62:205a/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-25822) 06/08/26 _x86_64_ (4 CPU) 06:36:24 LINUX RESTART (4 CPU) 06:40:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:50:00 102.38 4.17 93.70 4.50 554.35 32365.18 11507.25 07:00:12 46.02 19.20 25.41 1.42 965.67 1638.57 1255.33 07:10:08 19.09 3.03 15.22 0.84 63.52 705.63 2138.84 07:20:01 18.08 0.09 17.33 0.67 2.67 440.44 1014.09 07:30:08 5.35 0.04 5.16 0.15 1.48 120.97 492.19 07:40:08 6.97 0.12 6.60 0.25 3.80 172.39 95.88 07:50:01 5.76 0.08 5.40 0.27 2.13 184.17 96.45 08:00:08 5.91 0.21 5.54 0.15 4.31 166.24 56.01 08:10:08 9.34 0.09 8.90 0.35 7.55 564.39 342.35 08:20:01 20.96 0.07 4.56 16.33 2.29 155.35 212755.54 Average: 23.90 2.74 18.69 2.47 162.00 3609.88 22766.73 06:40:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:50:00 3170652 6642104 9288148 56.73 263592 3170740 10778844 61.87 2262996 10326984 3156 07:00:12 3494064 5254688 10684532 65.26 271976 1613620 11364080 65.23 1102528 11336620 484 07:10:08 9636508 11523224 4419384 26.99 276928 1729892 5251592 30.14 1175996 5137156 176 07:20:01 9502884 11440108 4504472 27.51 279760 1777604 5314408 30.50 1184480 5262836 240 07:30:08 9290724 11240504 4703876 28.73 280648 1789280 5445580 31.26 1186316 5466396 84 07:40:08 11036420 13016448 2929104 17.89 281408 1818696 4351772 24.98 1190312 3737496 9924 07:50:01 8083940 10082488 5861404 35.80 282216 1836380 6717376 38.56 1194512 6673592 272 08:00:08 9347232 11366788 4577924 27.96 282940 1856680 5398196 30.99 1198172 5406404 384 08:10:08 9117060 11268320 4676284 28.56 287036 1977992 5297716 30.41 1213440 5610036 148 08:20:01 8334404 10515116 5429040 33.16 287888 2006544 6102760 35.03 1230380 6366240 608 Average: 8101389 10234979 5707417 34.86 279439 1957743 6602232 37.90 1293913 6532376 1548 06:40:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:50:00 lo 13.23 13.23 12.30 12.30 0.00 0.00 0.00 0.00 06:50:00 ens3 45.74 29.60 791.57 3.46 0.00 0.00 0.00 0.00 06:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:12 lo 40.78 40.78 21.56 21.56 0.00 0.00 0.00 0.00 07:00:12 ens3 1.76 1.75 0.42 0.38 0.00 0.00 0.00 0.00 07:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:08 lo 32.71 32.71 12.90 12.90 0.00 0.00 0.00 0.00 07:10:08 ens3 2.05 2.34 0.39 1.31 0.00 0.00 0.00 0.00 07:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 lo 16.25 16.25 8.21 8.21 0.00 0.00 0.00 0.00 07:20:01 ens3 0.91 0.81 0.20 0.16 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:08 lo 15.42 15.42 7.86 7.86 0.00 0.00 0.00 0.00 07:30:08 ens3 0.61 0.50 0.13 0.10 0.00 0.00 0.00 0.00 07:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:08 lo 24.62 24.62 8.25 8.25 0.00 0.00 0.00 0.00 07:40:08 ens3 0.56 0.36 0.12 0.09 0.00 0.00 0.00 0.00 07:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 lo 20.72 20.72 11.50 11.50 0.00 0.00 0.00 0.00 07:50:01 ens3 0.81 0.71 0.18 0.14 0.00 0.00 0.00 0.00 07:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:08 lo 16.41 16.41 9.50 9.50 0.00 0.00 0.00 0.00 08:00:08 ens3 0.91 0.55 0.27 0.19 0.00 0.00 0.00 0.00 08:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:08 lo 14.29 14.29 7.54 7.54 0.00 0.00 0.00 0.00 08:10:08 ens3 1.05 0.74 0.33 0.25 0.00 0.00 0.00 0.00 08:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 lo 23.60 23.60 9.34 9.34 0.00 0.00 0.00 0.00 08:20:01 ens3 0.72 0.49 0.16 0.12 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.84 21.84 10.91 10.91 0.00 0.00 0.00 0.00 Average: ens3 5.45 3.75 78.30 0.61 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-25822) 06/08/26 _x86_64_ (4 CPU) 06:36:24 LINUX RESTART (4 CPU) 06:40:09 CPU %user %nice %system %iowait %steal %idle 06:50:00 all 57.33 0.00 2.48 0.76 0.11 39.32 06:50:00 0 57.82 0.00 2.33 0.72 0.12 39.00 06:50:00 1 57.46 0.00 2.54 0.77 0.10 39.13 06:50:00 2 54.80 0.00 2.40 0.65 0.11 42.04 06:50:00 3 59.22 0.00 2.66 0.90 0.11 37.11 07:00:12 all 45.67 0.00 1.81 0.19 0.13 52.20 07:00:12 0 45.29 0.00 1.82 0.13 0.13 52.63 07:00:12 1 45.69 0.00 1.84 0.31 0.14 52.02 07:00:12 2 45.52 0.00 1.88 0.16 0.12 52.32 07:00:12 3 46.18 0.00 1.69 0.16 0.12 51.84 07:10:08 all 32.14 0.00 1.24 0.17 0.10 66.35 07:10:08 0 31.79 0.00 1.32 0.05 0.10 66.74 07:10:08 1 31.84 0.00 1.21 0.34 0.10 66.50 07:10:08 2 33.30 0.00 1.28 0.13 0.10 65.20 07:10:08 3 31.61 0.00 1.17 0.17 0.10 66.95 07:20:01 all 26.91 0.00 0.92 0.08 0.09 72.00 07:20:01 0 27.44 0.00 0.87 0.08 0.09 71.52 07:20:01 1 25.80 0.00 0.90 0.13 0.09 73.08 07:20:01 2 27.54 0.00 1.05 0.06 0.09 71.26 07:20:01 3 26.85 0.00 0.86 0.05 0.08 72.15 07:30:08 all 8.06 0.00 0.33 0.02 0.07 91.51 07:30:08 0 7.91 0.00 0.30 0.01 0.07 91.71 07:30:08 1 8.27 0.00 0.32 0.00 0.08 91.33 07:30:08 2 8.03 0.00 0.38 0.05 0.07 91.47 07:30:08 3 8.04 0.00 0.33 0.01 0.07 91.55 07:40:08 all 11.34 0.00 0.42 0.03 0.07 88.14 07:40:08 0 11.25 0.00 0.44 0.02 0.08 88.21 07:40:08 1 11.39 0.00 0.49 0.02 0.08 88.01 07:40:08 2 11.81 0.00 0.36 0.03 0.07 87.74 07:40:08 3 10.88 0.00 0.40 0.04 0.07 88.60 07:50:01 all 14.38 0.00 0.59 0.02 0.08 84.93 07:50:01 0 14.75 0.00 0.59 0.01 0.07 84.58 07:50:01 1 14.18 0.00 0.72 0.02 0.08 85.01 07:50:01 2 14.35 0.00 0.56 0.02 0.08 84.99 07:50:01 3 14.24 0.00 0.50 0.05 0.07 85.14 08:00:08 all 8.29 0.00 0.37 0.03 0.07 91.23 08:00:08 0 8.10 0.00 0.34 0.06 0.07 91.43 08:00:08 1 8.15 0.00 0.38 0.04 0.08 91.34 08:00:08 2 8.63 0.00 0.41 0.02 0.07 90.88 08:00:08 3 8.30 0.00 0.36 0.01 0.07 91.26 08:10:08 all 14.36 0.00 0.60 0.03 0.08 84.94 08:10:08 0 14.52 0.00 0.57 0.04 0.07 84.80 08:10:08 1 15.08 0.00 0.62 0.05 0.08 84.17 08:10:08 2 13.73 0.00 0.62 0.02 0.08 85.56 08:10:08 3 14.10 0.00 0.57 0.03 0.07 85.23 08:20:01 all 9.83 0.00 0.51 0.04 0.07 89.55 08:20:01 0 9.93 0.00 0.48 0.01 0.06 89.51 08:20:01 1 10.06 0.00 0.41 0.03 0.07 89.44 08:20:01 2 9.84 0.00 0.58 0.11 0.07 89.40 08:20:01 3 9.47 0.00 0.57 0.03 0.08 89.86 Average: all 22.81 0.00 0.93 0.14 0.09 76.04 Average: 0 22.86 0.00 0.90 0.11 0.09 76.04 Average: 1 22.78 0.00 0.94 0.17 0.09 76.02 Average: 2 22.73 0.00 0.95 0.12 0.09 76.11 Average: 3 22.87 0.00 0.91 0.14 0.09 75.99