---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-20751 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 702 12357 3 2928 14944 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:09:3e:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80209sec preferred_lft 80209sec inet6 fe80::f816:3eff:fe09:3eab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:7a:ef:69:e5:f2 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::cc7a:efff:fe69:e5f2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-20751) 05/27/26 _x86_64_ (4 CPU) 16:16:24 LINUX RESTART (4 CPU) 16:20:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:30:01 91.84 3.59 84.53 3.72 145.15 31006.45 10642.45 16:40:07 48.13 16.28 30.10 1.75 862.81 1780.55 1988.24 16:50:07 14.92 0.34 13.78 0.80 16.00 688.39 507.76 17:00:01 14.35 0.13 13.66 0.56 1.72 366.49 490.76 17:10:07 9.76 2.28 7.22 0.26 37.83 185.49 236.64 17:20:07 20.80 0.34 5.03 15.43 8.44 131.35 211907.70 17:30:01 5.24 0.38 4.69 0.17 12.15 131.31 67.95 17:40:07 6.35 0.25 5.94 0.15 8.63 156.43 72.91 17:50:07 11.95 0.08 11.32 0.55 3.24 643.91 151.79 Average: 24.70 2.65 19.46 2.59 122.60 3841.70 25121.24 16:20:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:30:01 1995940 5959536 9968956 60.89 257572 3623412 11345536 65.12 2087560 11635328 2372 16:40:07 2752780 4544740 11395180 69.60 261792 1642928 12608808 72.37 1143148 12020268 428 16:50:07 9703620 11616092 4326940 26.43 266820 1757392 5211392 29.91 1197232 5037912 212 17:00:01 10908620 12864004 3082388 18.83 269444 1797740 3900884 22.39 1204168 3848324 412 17:10:07 9412388 11390448 4554908 27.82 270712 1819160 5312612 30.49 1215604 5325660 124 17:20:07 9381684 11382660 4562380 27.87 273364 1839416 5273708 30.27 1225860 5329400 104 17:30:01 7809856 9828544 6115868 37.35 273836 1856664 6900140 39.61 1231196 6906256 228 17:40:07 7684748 9722592 6221704 38.00 274532 1875116 6974552 40.03 1237272 7024356 420 17:50:07 9145788 11324424 4620504 28.22 278744 2007808 5314552 30.51 1255212 5545796 244 Average: 7643936 9848116 6094314 37.22 269646 2024404 6982465 40.08 1310806 6963700 505 16:20:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:30:01 lo 12.35 12.35 12.11 12.11 0.00 0.00 0.00 0.00 16:30:01 ens3 50.93 38.98 816.52 4.32 0.00 0.00 0.00 0.00 16:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:07 lo 48.82 48.82 24.92 24.92 0.00 0.00 0.00 0.00 16:40:07 ens3 2.06 1.87 0.48 0.42 0.00 0.00 0.00 0.00 16:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:07 lo 27.48 27.48 11.82 11.82 0.00 0.00 0.00 0.00 16:50:07 ens3 1.15 1.09 0.29 0.28 0.00 0.00 0.00 0.00 16:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 lo 8.90 8.90 5.39 5.39 0.00 0.00 0.00 0.00 17:00:01 ens3 0.66 0.53 0.16 0.12 0.00 0.00 0.00 0.00 17:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:07 lo 19.25 19.25 9.13 9.13 0.00 0.00 0.00 0.00 17:10:07 ens3 1.28 1.50 0.19 1.17 0.00 0.00 0.00 0.00 17:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:07 lo 27.86 27.86 9.78 9.78 0.00 0.00 0.00 0.00 17:20:07 ens3 0.48 0.43 0.10 0.08 0.00 0.00 0.00 0.00 17:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:01 lo 16.74 16.74 8.48 8.48 0.00 0.00 0.00 0.00 17:30:01 ens3 0.58 0.47 0.12 0.09 0.00 0.00 0.00 0.00 17:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:07 lo 17.60 17.60 10.35 10.35 0.00 0.00 0.00 0.00 17:40:07 ens3 0.65 0.50 0.16 0.12 0.00 0.00 0.00 0.00 17:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:07 lo 17.21 17.21 9.72 9.72 0.00 0.00 0.00 0.00 17:50:07 ens3 1.00 0.90 0.29 0.24 0.00 0.00 0.00 0.00 17:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.86 21.86 11.32 11.32 0.00 0.00 0.00 0.00 Average: ens3 6.44 5.07 89.36 0.75 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-20751) 05/27/26 _x86_64_ (4 CPU) 16:16:24 LINUX RESTART (4 CPU) 16:20:12 CPU %user %nice %system %iowait %steal %idle 16:30:01 all 53.37 0.00 2.39 2.19 0.09 41.96 16:30:01 0 52.73 0.00 2.51 1.56 0.09 43.11 16:30:01 1 53.38 0.00 2.50 3.28 0.10 40.75 16:30:01 2 55.57 0.00 2.37 2.25 0.10 39.71 16:30:01 3 51.78 0.00 2.19 1.68 0.09 44.25 16:40:07 all 57.52 0.00 2.18 0.15 0.11 40.04 16:40:07 0 57.80 0.00 2.14 0.09 0.12 39.86 16:40:07 1 57.18 0.00 2.27 0.16 0.11 40.29 16:40:07 2 57.71 0.00 2.14 0.13 0.11 39.91 16:40:07 3 57.38 0.00 2.19 0.22 0.11 40.10 16:50:07 all 23.96 0.00 1.03 0.07 0.10 74.84 16:50:07 0 23.40 0.00 1.02 0.15 0.09 75.33 16:50:07 1 24.34 0.00 1.04 0.04 0.10 74.49 16:50:07 2 24.86 0.00 1.02 0.04 0.10 73.99 16:50:07 3 23.24 0.00 1.05 0.08 0.10 75.54 17:00:01 all 18.51 0.00 0.63 0.05 0.08 80.72 17:00:01 0 18.14 0.00 0.57 0.03 0.08 81.18 17:00:01 1 18.60 0.00 0.61 0.06 0.09 80.64 17:00:01 2 18.98 0.00 0.69 0.02 0.08 80.22 17:00:01 3 18.31 0.00 0.66 0.10 0.08 80.85 17:10:07 all 13.54 0.00 0.45 0.13 0.08 85.80 17:10:07 0 13.37 0.00 0.43 0.03 0.08 86.09 17:10:07 1 13.52 0.00 0.50 0.11 0.08 85.79 17:10:07 2 13.51 0.00 0.44 0.27 0.08 85.69 17:10:07 3 13.73 0.00 0.44 0.11 0.08 85.64 17:20:07 all 9.14 0.00 0.48 0.15 0.08 90.15 17:20:07 0 9.22 0.00 0.45 0.15 0.08 90.10 17:20:07 1 8.64 0.00 0.52 0.10 0.08 90.66 17:20:07 2 9.43 0.00 0.49 0.12 0.08 89.87 17:20:07 3 9.25 0.00 0.47 0.23 0.07 89.97 17:30:01 all 10.96 0.00 0.60 0.02 0.08 88.34 17:30:01 0 10.39 0.00 0.50 0.01 0.07 89.03 17:30:01 1 11.40 0.00 0.66 0.02 0.08 87.84 17:30:01 2 11.33 0.00 0.67 0.03 0.08 87.89 17:30:01 3 10.72 0.00 0.59 0.02 0.07 88.59 17:40:07 all 10.58 0.00 0.45 0.04 0.08 88.86 17:40:07 0 10.83 0.00 0.38 0.02 0.07 88.69 17:40:07 1 9.83 0.00 0.51 0.06 0.08 89.52 17:40:07 2 10.72 0.00 0.53 0.03 0.08 88.65 17:40:07 3 10.92 0.00 0.37 0.03 0.08 88.60 17:50:07 all 21.74 0.00 0.91 0.05 0.08 77.22 17:50:07 0 21.04 0.00 0.90 0.03 0.08 77.96 17:50:07 1 22.82 0.00 1.03 0.06 0.08 76.00 17:50:07 2 21.72 0.00 0.87 0.04 0.09 77.28 17:50:07 3 21.36 0.00 0.86 0.06 0.08 77.64 Average: all 24.36 0.00 1.01 0.31 0.09 74.23 Average: 0 24.09 0.00 0.99 0.23 0.08 74.61 Average: 1 24.40 0.00 1.07 0.43 0.09 74.02 Average: 2 24.86 0.00 1.02 0.32 0.09 73.71 Average: 3 24.07 0.00 0.98 0.28 0.09 74.58