---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-25846 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 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 705 12509 4 2774 14941 Swap: 1023 21 1002 ---> 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:d4:4a:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.203/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80287sec preferred_lft 80287sec inet6 fe80::f816:3eff:fed4:4af8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:f2:75:1b:09:0f 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::4cf2:75ff:fe1b:90f/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-25846) 06/08/26 _x86_64_ (4 CPU) 09:37:59 LINUX RESTART (4 CPU) 09:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:01 139.04 10.77 122.37 5.90 1237.62 38714.36 13575.91 10:00:04 53.42 21.93 29.94 1.55 1036.65 1721.74 2240.02 10:10:01 26.87 0.53 9.99 16.35 27.83 286.98 211979.13 10:20:01 16.58 0.07 15.84 0.67 1.43 629.17 491.09 10:30:06 14.12 0.02 13.45 0.64 0.82 382.09 805.85 10:40:01 4.53 0.06 4.31 0.17 1.42 120.92 167.99 10:50:01 4.75 0.05 4.51 0.19 1.79 137.04 127.53 11:00:07 6.06 0.03 5.85 0.18 2.16 147.38 154.62 11:10:01 13.37 0.49 12.34 0.54 15.55 685.24 698.80 Average: 30.99 3.78 24.30 2.90 258.90 4759.56 25443.61 09:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:01 2036320 6078576 9848896 60.15 263368 3699372 11440884 65.67 2150252 11533856 5460 10:00:04 3864572 5487044 10453404 63.85 268224 1501140 11319852 64.98 1088620 11010684 476 10:10:01 8686976 10343620 5598080 34.19 270352 1533072 6350780 36.45 1125028 6154488 244 10:20:01 11954956 13728132 2218636 13.55 275044 1639712 2987680 17.15 1174544 2864788 292 10:30:06 9518500 11340736 4604776 28.12 277868 1685908 5368556 30.82 1180788 5273948 332 10:40:01 9494940 11332344 4613236 28.18 278440 1700524 5348756 30.70 1182560 5293268 460 10:50:01 8051464 9907472 6037204 36.87 279028 1718516 6819612 39.14 1185148 6729964 648 11:00:07 7835392 9710792 6233976 38.07 279552 1737352 6993364 40.14 1188804 6952376 364 11:10:01 9240456 11268844 4676692 28.56 283528 1880056 5336052 30.63 1206948 5525592 420 Average: 7853731 9910840 6031656 36.84 275045 1899517 6885060 39.52 1275855 6815440 966 09:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:01 lo 8.05 8.05 7.92 7.92 0.00 0.00 0.00 0.00 09:50:01 ens3 138.11 107.19 1954.71 11.06 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:04 lo 38.80 38.80 22.76 22.76 0.00 0.00 0.00 0.00 10:00:04 ens3 1.95 1.85 0.46 1.18 0.00 0.00 0.00 0.00 10:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 36.19 36.19 13.79 13.79 0.00 0.00 0.00 0.00 10:10:01 ens3 1.17 1.04 0.26 0.21 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 7.49 7.49 3.89 3.89 0.00 0.00 0.00 0.00 10:20:01 ens3 0.83 0.73 0.22 0.19 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:06 lo 19.68 19.68 10.39 10.39 0.00 0.00 0.00 0.00 10:30:06 ens3 0.88 0.70 0.20 0.16 0.00 0.00 0.00 0.00 10:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 22.52 22.52 8.86 8.86 0.00 0.00 0.00 0.00 10:40:01 ens3 0.75 0.53 0.17 0.13 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 25.70 25.70 11.23 11.23 0.00 0.00 0.00 0.00 10:50:01 ens3 0.57 0.45 0.12 0.09 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:07 lo 16.36 16.36 9.91 9.91 0.00 0.00 0.00 0.00 11:00:07 ens3 0.73 0.54 0.19 0.14 0.00 0.00 0.00 0.00 11:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 19.52 19.52 10.64 10.64 0.00 0.00 0.00 0.00 11:10:01 ens3 1.13 0.88 0.32 0.25 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.58 21.58 11.05 11.05 0.00 0.00 0.00 0.00 Average: ens3 16.24 12.66 217.45 1.49 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-25846) 06/08/26 _x86_64_ (4 CPU) 09:37:59 LINUX RESTART (4 CPU) 09:40:01 CPU %user %nice %system %iowait %steal %idle 09:50:01 all 56.70 0.00 2.89 0.49 0.10 39.83 09:50:01 0 57.96 0.00 2.92 0.39 0.10 38.63 09:50:01 1 55.58 0.00 2.88 0.66 0.09 40.79 09:50:01 2 58.23 0.00 2.92 0.44 0.10 38.31 09:50:01 3 55.02 0.00 2.83 0.47 0.10 41.57 10:00:04 all 52.04 0.00 1.89 0.21 0.12 45.74 10:00:04 0 52.24 0.00 1.89 0.23 0.12 45.53 10:00:04 1 52.72 0.00 1.94 0.14 0.11 45.10 10:00:04 2 51.33 0.00 1.92 0.28 0.12 46.35 10:00:04 3 51.88 0.00 1.83 0.21 0.12 45.97 10:10:01 all 19.26 0.00 0.89 0.07 0.11 79.68 10:10:01 0 18.92 0.00 0.91 0.02 0.11 80.05 10:10:01 1 19.82 0.00 0.97 0.05 0.11 79.04 10:10:01 2 19.33 0.00 0.81 0.09 0.11 79.65 10:10:01 3 18.96 0.00 0.85 0.11 0.10 79.97 10:20:01 all 21.16 0.00 0.73 0.07 0.09 77.96 10:20:01 0 21.69 0.00 0.79 0.04 0.09 77.39 10:20:01 1 21.75 0.00 0.80 0.16 0.09 77.19 10:20:01 2 20.26 0.00 0.64 0.02 0.09 78.98 10:20:01 3 20.92 0.00 0.68 0.05 0.09 78.26 10:30:06 all 25.04 0.00 0.85 0.05 0.09 73.97 10:30:06 0 24.64 0.00 0.88 0.11 0.09 74.29 10:30:06 1 24.90 0.00 0.88 0.02 0.10 74.10 10:30:06 2 25.26 0.00 0.96 0.03 0.10 73.65 10:30:06 3 25.34 0.00 0.66 0.04 0.09 73.86 10:40:01 all 8.40 0.00 0.39 0.07 0.09 91.05 10:40:01 0 8.33 0.00 0.42 0.17 0.09 90.98 10:40:01 1 8.61 0.00 0.41 0.01 0.09 90.88 10:40:01 2 8.58 0.00 0.36 0.06 0.09 90.90 10:40:01 3 8.09 0.00 0.36 0.02 0.08 91.45 10:50:01 all 10.18 0.00 0.43 0.02 0.08 89.29 10:50:01 0 10.21 0.00 0.49 0.02 0.08 89.19 10:50:01 1 10.07 0.00 0.42 0.03 0.07 89.40 10:50:01 2 10.05 0.00 0.39 0.02 0.08 89.46 10:50:01 3 10.40 0.00 0.39 0.01 0.07 89.12 11:00:07 all 9.74 0.00 0.40 0.02 0.08 89.76 11:00:07 0 10.01 0.00 0.37 0.00 0.08 89.53 11:00:07 1 9.63 0.00 0.41 0.05 0.08 89.84 11:00:07 2 9.72 0.00 0.40 0.01 0.08 89.80 11:00:07 3 9.62 0.00 0.44 0.02 0.07 89.85 11:10:01 all 19.86 0.00 0.69 0.05 0.08 79.32 11:10:01 0 19.68 0.00 0.58 0.08 0.08 79.58 11:10:01 1 20.96 0.00 0.82 0.05 0.08 78.09 11:10:01 2 19.43 0.00 0.70 0.03 0.08 79.75 11:10:01 3 19.37 0.00 0.67 0.03 0.08 79.84 Average: all 24.72 0.00 1.02 0.12 0.09 74.05 Average: 0 24.87 0.00 1.03 0.12 0.09 73.89 Average: 1 24.90 0.00 1.06 0.13 0.09 73.82 Average: 2 24.70 0.00 1.01 0.11 0.09 74.08 Average: 3 24.42 0.00 0.97 0.11 0.09 74.42