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In proxy.c, when process is stopping we try to flush tables content using 'stktable_trash_oldest'. A check on a counter "table->syncing" was made to verify if there is no pending resync in progress. But using multiple threads this counter can be increased by an other thread only after some delay, so the content of some tables can be trashed earlier and won't be pushed to the new process (after reload, some tables appear reset and others don't). This patch re-names the counter "table->syncing" to "table->refcnt" and the counter is increased during configuration parsing (registering a table to a peer section) to protect tables during runtime and until resync of a new process has succeeded or failed. The inc/dec operations are now made using atomic operations because multiple peer sections could refer to the same table in futur. This fix addresses github #1216. This patch should be backported on all branches multi-thread support (v >= 1.8) |
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The HAProxy documentation has been split into a number of different files for ease of use. Please refer to the following files depending on what you're looking for : - INSTALL for instructions on how to build and install HAProxy - BRANCHES to understand the project's life cycle and what version to use - LICENSE for the project's license - CONTRIBUTING for the process to follow to submit contributions The more detailed documentation is located into the doc/ directory : - doc/intro.txt for a quick introduction on HAProxy - doc/configuration.txt for the configuration's reference manual - doc/lua.txt for the Lua's reference manual - doc/SPOE.txt for how to use the SPOE engine - doc/network-namespaces.txt for how to use network namespaces under Linux - doc/management.txt for the management guide - doc/regression-testing.txt for how to use the regression testing suite - doc/peers.txt for the peers protocol reference - doc/coding-style.txt for how to adopt HAProxy's coding style - doc/internals for developer-specific documentation (not all up to date)