---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-22323 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: 5600.00 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 679 12130 3 3179 14967 Swap: 1023 62 961 ---> 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:8b:b2:44 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79804sec preferred_lft 79804sec inet6 fe80::f816:3eff:fe8b:b244/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:84:9e:9c:96:68 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::6884:9eff:fe9c:9668/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-22323) 06/01/26 _x86_64_ (4 CPU) 19:05:51 LINUX RESTART (4 CPU) 19:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:10 111.15 5.17 87.91 18.07 578.78 29288.34 240884.28 19:30:10 44.78 18.09 25.11 1.59 925.99 1653.65 2345.34 19:40:10 10.84 0.64 9.64 0.56 26.82 341.40 1441.04 19:50:15 6.83 0.20 6.36 0.28 7.80 399.06 620.97 20:00:06 20.57 0.37 19.29 0.91 16.22 597.43 858.97 20:10:06 9.53 0.36 8.83 0.34 11.26 231.82 106.97 20:20:38 7.70 0.20 7.16 0.34 7.73 240.74 202.59 20:30:38 5.01 0.29 4.55 0.17 10.12 154.36 57.67 20:40:38 5.22 0.24 4.83 0.15 12.37 159.37 52.89 20:50:28 11.14 0.68 10.07 0.39 23.13 619.22 909.48 Average: 23.12 2.61 18.25 2.26 161.12 3331.59 24451.04 19:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:10 173992 1944360 13991816 85.46 250368 1615992 15329916 87.99 1406232 14319040 344 19:30:10 2175468 4018248 11919936 72.80 262616 1690352 13200012 75.77 1229148 12517664 168 19:40:10 8008800 9884496 6057272 37.00 264076 1721856 6924804 39.75 1244492 6676352 304 19:50:15 13437660 15411052 534768 3.27 267692 1815228 1389288 7.97 1284492 1234428 10640 20:00:06 13334440 15397196 548300 3.35 271760 1900396 1389552 7.98 1306832 1305588 13036 20:10:06 9392332 11472700 4471084 27.31 272540 1917244 5268472 30.24 1311720 5230880 32 20:20:38 8055808 10174808 5768316 35.23 273348 1955072 6699512 38.46 1317344 6549720 180 20:30:38 7933100 10076004 5866872 35.83 273872 1978436 6769380 38.86 1323844 6669512 196 20:40:38 13224088 15418612 526596 3.22 274768 2029360 1349500 7.75 1331168 1386480 26960 20:50:28 13056700 15392972 552416 3.37 278588 2161592 1391120 7.99 1359304 1536716 25532 Average: 8879239 10919045 5023738 30.68 268963 1878553 5971156 34.27 1311458 5742638 7739 19:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:10 lo 16.17 16.17 13.56 13.56 0.00 0.00 0.00 0.00 19:20:10 ens3 50.88 36.66 787.95 4.37 0.00 0.00 0.00 0.00 19:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:10 lo 44.59 44.59 23.17 23.17 0.00 0.00 0.00 0.00 19:30:10 ens3 2.01 1.98 0.43 0.76 0.00 0.00 0.00 0.00 19:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:10 lo 29.43 29.43 13.02 13.02 0.00 0.00 0.00 0.00 19:40:10 ens3 1.18 0.91 0.28 0.22 0.00 0.00 0.00 0.00 19:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:15 lo 5.58 5.58 2.62 2.62 0.00 0.00 0.00 0.00 19:50:15 ens3 0.76 0.44 0.21 0.15 0.00 0.00 0.00 0.00 19:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:06 lo 13.09 13.09 7.36 7.36 0.00 0.00 0.00 0.00 20:00:06 ens3 1.02 0.78 0.23 0.18 0.00 0.00 0.00 0.00 20:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:06 lo 19.76 19.76 9.38 9.38 0.00 0.00 0.00 0.00 20:10:06 ens3 0.92 0.59 0.19 0.13 0.00 0.00 0.00 0.00 20:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:38 lo 27.53 27.53 10.94 10.94 0.00 0.00 0.00 0.00 20:20:38 ens3 0.61 0.43 0.11 0.08 0.00 0.00 0.00 0.00 20:20:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:38 lo 21.20 21.20 10.76 10.76 0.00 0.00 0.00 0.00 20:30:38 ens3 0.76 0.64 0.17 0.13 0.00 0.00 0.00 0.00 20:30:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:38 lo 15.20 15.20 8.43 8.43 0.00 0.00 0.00 0.00 20:40:38 ens3 0.79 0.60 0.18 0.13 0.00 0.00 0.00 0.00 20:40:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:28 lo 23.61 23.61 11.13 11.13 0.00 0.00 0.00 0.00 20:50:28 ens3 0.94 0.84 0.25 0.21 0.00 0.00 0.00 0.00 20:50:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.65 21.65 11.03 11.03 0.00 0.00 0.00 0.00 Average: ens3 5.92 4.34 78.04 0.63 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-22323) 06/01/26 _x86_64_ (4 CPU) 19:05:51 LINUX RESTART (4 CPU) 19:10:16 CPU %user %nice %system %iowait %steal %idle 19:20:10 all 58.76 0.00 2.60 0.53 0.11 38.01 19:20:10 0 58.79 0.00 2.89 0.42 0.11 37.80 19:20:10 1 58.48 0.00 2.36 0.43 0.10 38.64 19:20:10 2 57.85 0.00 2.55 0.40 0.11 39.10 19:20:10 3 59.94 0.00 2.59 0.86 0.10 36.50 19:30:10 all 48.45 0.00 1.87 0.28 0.11 49.28 19:30:10 0 47.52 0.00 1.85 0.39 0.11 50.13 19:30:10 1 49.45 0.00 1.84 0.25 0.11 48.33 19:30:10 2 48.23 0.00 1.94 0.30 0.11 49.42 19:30:10 3 48.60 0.00 1.87 0.19 0.12 49.22 19:40:10 all 22.48 0.00 0.98 0.09 0.09 76.36 19:40:10 0 22.10 0.00 1.09 0.09 0.08 76.64 19:40:10 1 22.70 0.00 0.98 0.05 0.09 76.18 19:40:10 2 22.76 0.00 0.93 0.07 0.09 76.14 19:40:10 3 22.37 0.00 0.94 0.14 0.09 76.47 19:50:15 all 6.44 0.00 0.40 0.07 0.06 93.03 19:50:15 0 5.93 0.00 0.37 0.03 0.06 93.61 19:50:15 1 7.10 0.00 0.42 0.09 0.07 92.32 19:50:15 2 6.44 0.00 0.40 0.13 0.06 92.97 19:50:15 3 6.28 0.00 0.42 0.03 0.07 93.21 20:00:06 all 28.82 0.00 0.91 0.09 0.08 70.10 20:00:06 0 28.27 0.00 0.88 0.09 0.08 70.68 20:00:06 1 30.10 0.00 0.98 0.12 0.08 68.71 20:00:06 2 27.98 0.00 0.94 0.04 0.08 70.97 20:00:06 3 28.92 0.00 0.85 0.09 0.08 70.07 20:10:06 all 13.96 0.00 0.50 0.11 0.07 85.36 20:10:06 0 14.14 0.00 0.42 0.01 0.07 85.37 20:10:06 1 13.69 0.00 0.48 0.07 0.07 85.69 20:10:06 2 14.30 0.00 0.56 0.09 0.07 84.99 20:10:06 3 13.72 0.00 0.53 0.29 0.07 85.39 20:20:38 all 14.90 0.00 0.56 0.21 0.07 84.27 20:20:38 0 14.57 0.00 0.49 0.11 0.07 84.76 20:20:38 1 15.05 0.00 0.54 0.40 0.06 83.94 20:20:38 2 15.03 0.00 0.57 0.13 0.07 84.19 20:20:38 3 14.94 0.00 0.62 0.19 0.07 84.18 20:30:38 all 11.41 0.00 0.54 0.06 0.06 87.93 20:30:38 0 11.30 0.00 0.47 0.09 0.06 88.08 20:30:38 1 11.88 0.00 0.62 0.05 0.06 87.38 20:30:38 2 11.34 0.00 0.54 0.08 0.06 87.98 20:30:38 3 11.10 0.00 0.52 0.04 0.07 88.28 20:40:38 all 8.48 0.00 0.52 0.05 0.06 90.90 20:40:38 0 8.13 0.00 0.47 0.02 0.05 91.33 20:40:38 1 8.70 0.00 0.55 0.02 0.06 90.67 20:40:38 2 8.57 0.00 0.47 0.04 0.06 90.86 20:40:38 3 8.54 0.00 0.57 0.10 0.05 90.75 20:50:28 all 15.29 0.00 0.63 0.17 0.07 83.84 20:50:28 0 15.31 0.00 0.70 0.08 0.07 83.84 20:50:28 1 15.68 0.00 0.60 0.18 0.07 83.47 20:50:28 2 15.02 0.00 0.60 0.10 0.07 84.21 20:50:28 3 15.15 0.00 0.61 0.32 0.06 83.85 Average: all 22.80 0.00 0.95 0.17 0.08 76.01 Average: 0 22.51 0.00 0.96 0.13 0.08 76.33 Average: 1 23.18 0.00 0.93 0.17 0.08 75.64 Average: 2 22.66 0.00 0.95 0.14 0.08 76.18 Average: 3 22.85 0.00 0.95 0.22 0.08 75.90